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-ToothlessTaipan_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem12_label44_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-15 11:51:05,107 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-15 11:51:05,111 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-15 11:51:05,129 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-15 11:51:05,130 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-15 11:51:05,131 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-15 11:51:05,132 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-15 11:51:05,134 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-15 11:51:05,136 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-15 11:51:05,137 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-15 11:51:05,138 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-15 11:51:05,138 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-15 11:51:05,139 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-15 11:51:05,140 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-15 11:51:05,141 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-15 11:51:05,142 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-15 11:51:05,143 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-15 11:51:05,145 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-15 11:51:05,147 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-15 11:51:05,149 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-15 11:51:05,150 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-15 11:51:05,151 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-15 11:51:05,153 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-15 11:51:05,154 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-15 11:51:05,154 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-15 11:51:05,155 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-15 11:51:05,156 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-15 11:51:05,157 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-15 11:51:05,158 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-15 11:51:05,159 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-15 11:51:05,159 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-15 11:51:05,160 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-15 11:51:05,160 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-15 11:51:05,161 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-15 11:51:05,162 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-15 11:51:05,162 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-15 11:51:05,163 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf [2018-09-15 11:51:05,179 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-15 11:51:05,179 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-15 11:51:05,180 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-15 11:51:05,181 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-15 11:51:05,181 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-15 11:51:05,181 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-15 11:51:05,181 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-15 11:51:05,181 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-15 11:51:05,182 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-15 11:51:05,182 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-15 11:51:05,182 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-15 11:51:05,183 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-15 11:51:05,183 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-15 11:51:05,183 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-15 11:51:05,183 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-15 11:51:05,184 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-15 11:51:05,184 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-15 11:51:05,184 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-15 11:51:05,184 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-15 11:51:05,184 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-15 11:51:05,185 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-15 11:51:05,185 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-15 11:51:05,185 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-15 11:51:05,185 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-15 11:51:05,185 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-15 11:51:05,186 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-15 11:51:05,186 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-15 11:51:05,186 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-15 11:51:05,186 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-15 11:51:05,186 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-15 11:51:05,187 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-15 11:51:05,187 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-15 11:51:05,187 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-15 11:51:05,252 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-15 11:51:05,273 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-15 11:51:05,282 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-15 11:51:05,284 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-15 11:51:05,285 INFO L276 PluginConnector]: CDTParser initialized [2018-09-15 11:51:05,285 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem12_label44_true-unreach-call.c [2018-09-15 11:51:05,648 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9269519a5/3e8458b2198d4d55a8dd0fd35db9fbc1/FLAG402e9ce20 [2018-09-15 11:51:06,105 INFO L277 CDTParser]: Found 1 translation units. [2018-09-15 11:51:06,107 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem12_label44_true-unreach-call.c [2018-09-15 11:51:06,152 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9269519a5/3e8458b2198d4d55a8dd0fd35db9fbc1/FLAG402e9ce20 [2018-09-15 11:51:06,176 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9269519a5/3e8458b2198d4d55a8dd0fd35db9fbc1 [2018-09-15 11:51:06,189 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-15 11:51:06,194 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-15 11:51:06,195 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-15 11:51:06,196 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-15 11:51:06,204 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-15 11:51:06,206 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 11:51:06" (1/1) ... [2018-09-15 11:51:06,210 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a64aa8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:51:06, skipping insertion in model container [2018-09-15 11:51:06,210 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 11:51:06" (1/1) ... [2018-09-15 11:51:06,223 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-15 11:51:07,556 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 11:51:07,577 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-15 11:51:08,158 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 11:51:08,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:51:08 WrapperNode [2018-09-15 11:51:08,424 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-15 11:51:08,425 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-15 11:51:08,425 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-15 11:51:08,426 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-15 11:51:08,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:51:08" (1/1) ... [2018-09-15 11:51:08,522 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:51:08" (1/1) ... [2018-09-15 11:51:08,691 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-15 11:51:08,692 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-15 11:51:08,692 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-15 11:51:08,692 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-15 11:51:09,410 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:51:08" (1/1) ... [2018-09-15 11:51:09,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:51:08" (1/1) ... [2018-09-15 11:51:09,450 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:51:08" (1/1) ... [2018-09-15 11:51:09,450 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:51:08" (1/1) ... [2018-09-15 11:51:09,591 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:51:08" (1/1) ... [2018-09-15 11:51:09,631 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:51:08" (1/1) ... [2018-09-15 11:51:09,682 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:51:08" (1/1) ... [2018-09-15 11:51:09,768 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-15 11:51:09,769 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-15 11:51:09,769 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-15 11:51:09,769 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-15 11:51:09,770 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:51:08" (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 [2018-09-15 11:51:09,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-15 11:51:09,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-15 11:51:09,851 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-09-15 11:51:09,851 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-09-15 11:51:09,851 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-09-15 11:51:09,852 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-09-15 11:51:09,852 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-09-15 11:51:09,852 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-09-15 11:51:09,852 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-15 11:51:09,853 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-15 11:51:09,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-15 11:51:09,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-15 11:51:09,853 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-15 11:51:09,854 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-15 11:51:20,554 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-15 11:51:20,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 11:51:20 BoogieIcfgContainer [2018-09-15 11:51:20,555 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-15 11:51:20,556 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-15 11:51:20,556 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-15 11:51:20,559 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-15 11:51:20,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.09 11:51:06" (1/3) ... [2018-09-15 11:51:20,560 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e0d5941 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 11:51:20, skipping insertion in model container [2018-09-15 11:51:20,561 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 11:51:08" (2/3) ... [2018-09-15 11:51:20,561 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e0d5941 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 11:51:20, skipping insertion in model container [2018-09-15 11:51:20,561 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 11:51:20" (3/3) ... [2018-09-15 11:51:20,563 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem12_label44_true-unreach-call.c [2018-09-15 11:51:20,573 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-15 11:51:20,583 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-15 11:51:20,647 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-15 11:51:20,648 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-15 11:51:20,648 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-15 11:51:20,648 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-15 11:51:20,648 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-15 11:51:20,648 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-15 11:51:20,649 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-15 11:51:20,649 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-15 11:51:20,649 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-15 11:51:20,689 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states. [2018-09-15 11:51:20,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-09-15 11:51:20,699 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 11:51:20,700 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 11:51:20,701 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 11:51:20,707 INFO L82 PathProgramCache]: Analyzing trace with hash -567978269, now seen corresponding path program 1 times [2018-09-15 11:51:20,710 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 11:51:20,711 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 58 with the following transitions: [2018-09-15 11:51:20,714 INFO L202 CegarAbsIntRunner]: [0], [1], [1868], [1875], [1883], [1891], [1899], [1907], [1915], [1923], [1931], [1939], [1947], [1955], [1963], [1971], [1979], [1987], [1995], [2003], [2011], [2019], [2027], [2035], [2043], [2051], [2059], [2067], [2075], [2083], [2091], [2099], [2107], [2115], [2123], [2131], [2139], [2147], [2155], [2163], [2171], [2179], [2187], [2195], [2203], [2211], [2219], [2223], [2225], [3244], [3248], [3254], [3258], [3271], [3272], [3273], [3275] [2018-09-15 11:51:20,786 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 11:51:20,786 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 11:51:23,313 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 11:51:23,315 INFO L272 AbstractInterpreter]: Visited 56 different actions 56 times. Never merged. Never widened. Never found a fixpoint. Largest state had 25 variables. [2018-09-15 11:51:23,338 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 11:51:24,136 INFO L232 lantSequenceWeakener]: Weakened 55 states. On average, predicates are now at 77.89% of their original sizes. [2018-09-15 11:51:24,136 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 11:51:24,472 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 11:51:24,474 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 11:51:24,474 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-15 11:51:24,475 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 11:51:24,481 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-15 11:51:24,488 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-15 11:51:24,488 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-15 11:51:24,491 INFO L87 Difference]: Start difference. First operand 840 states. Second operand 6 states. [2018-09-15 11:51:45,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 11:51:45,671 INFO L93 Difference]: Finished difference Result 2448 states and 4699 transitions. [2018-09-15 11:51:45,674 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-15 11:51:45,675 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2018-09-15 11:51:45,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 11:51:45,718 INFO L225 Difference]: With dead ends: 2448 [2018-09-15 11:51:45,718 INFO L226 Difference]: Without dead ends: 1606 [2018-09-15 11:51:45,728 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 56 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-15 11:51:45,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1606 states. [2018-09-15 11:51:45,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1606 to 1604. [2018-09-15 11:51:45,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1604 states. [2018-09-15 11:51:45,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1604 states to 1604 states and 2357 transitions. [2018-09-15 11:51:45,900 INFO L78 Accepts]: Start accepts. Automaton has 1604 states and 2357 transitions. Word has length 57 [2018-09-15 11:51:45,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 11:51:45,906 INFO L480 AbstractCegarLoop]: Abstraction has 1604 states and 2357 transitions. [2018-09-15 11:51:45,906 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-15 11:51:45,907 INFO L276 IsEmpty]: Start isEmpty. Operand 1604 states and 2357 transitions. [2018-09-15 11:51:45,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-09-15 11:51:45,919 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 11:51:45,919 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 11:51:45,920 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 11:51:45,920 INFO L82 PathProgramCache]: Analyzing trace with hash -1852276032, now seen corresponding path program 1 times [2018-09-15 11:51:45,920 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 11:51:45,920 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 134 with the following transitions: [2018-09-15 11:51:45,922 INFO L202 CegarAbsIntRunner]: [0], [1], [1868], [1875], [1883], [1891], [1899], [1907], [1915], [1923], [1931], [1939], [1947], [1955], [1963], [1971], [1979], [1987], [1995], [2003], [2011], [2019], [2027], [2035], [2043], [2051], [2059], [2067], [2075], [2083], [2091], [2099], [2107], [2115], [2123], [2131], [2139], [2147], [2155], [2163], [2171], [2179], [2187], [2195], [2203], [2211], [2219], [2223], [2225], [2228], [2236], [2244], [2252], [2260], [2268], [2276], [2284], [2292], [2300], [2308], [2316], [2324], [2332], [2340], [2348], [2356], [2361], [2365], [2369], [2373], [2377], [2381], [2384], [3240], [3244], [3248], [3254], [3258], [3260], [3271], [3272], [3273], [3275], [3276] [2018-09-15 11:51:45,928 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 11:51:45,929 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 11:51:55,306 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 11:51:55,306 INFO L272 AbstractInterpreter]: Visited 83 different actions 159 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-09-15 11:51:55,322 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 11:51:58,813 INFO L232 lantSequenceWeakener]: Weakened 131 states. On average, predicates are now at 76.3% of their original sizes. [2018-09-15 11:51:58,814 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 11:52:01,209 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 11:52:01,209 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 11:52:01,210 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-09-15 11:52:01,210 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 11:52:01,212 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-09-15 11:52:01,212 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-09-15 11:52:01,212 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-09-15 11:52:01,212 INFO L87 Difference]: Start difference. First operand 1604 states and 2357 transitions. Second operand 11 states. [2018-09-15 11:52:38,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 11:52:38,970 INFO L93 Difference]: Finished difference Result 3976 states and 6980 transitions. [2018-09-15 11:52:38,984 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-15 11:52:38,985 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 133 [2018-09-15 11:52:38,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 11:52:39,001 INFO L225 Difference]: With dead ends: 3976 [2018-09-15 11:52:39,002 INFO L226 Difference]: Without dead ends: 3146 [2018-09-15 11:52:39,007 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 139 GetRequests, 78 SyntacticMatches, 45 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 320 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-09-15 11:52:39,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3146 states. [2018-09-15 11:52:39,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3146 to 3143. [2018-09-15 11:52:39,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3143 states. [2018-09-15 11:52:39,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3143 states to 3143 states and 3918 transitions. [2018-09-15 11:52:39,118 INFO L78 Accepts]: Start accepts. Automaton has 3143 states and 3918 transitions. Word has length 133 [2018-09-15 11:52:39,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 11:52:39,119 INFO L480 AbstractCegarLoop]: Abstraction has 3143 states and 3918 transitions. [2018-09-15 11:52:39,120 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-09-15 11:52:39,120 INFO L276 IsEmpty]: Start isEmpty. Operand 3143 states and 3918 transitions. [2018-09-15 11:52:39,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-09-15 11:52:39,128 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 11:52:39,129 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 11:52:39,129 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 11:52:39,130 INFO L82 PathProgramCache]: Analyzing trace with hash -1199593300, now seen corresponding path program 1 times [2018-09-15 11:52:39,130 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 11:52:39,130 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 204 with the following transitions: [2018-09-15 11:52:39,131 INFO L202 CegarAbsIntRunner]: [0], [1], [1868], [1875], [1883], [1891], [1899], [1907], [1915], [1923], [1931], [1939], [1947], [1955], [1963], [1971], [1979], [1987], [1995], [2003], [2011], [2019], [2027], [2035], [2043], [2051], [2059], [2067], [2075], [2083], [2091], [2099], [2107], [2115], [2123], [2131], [2139], [2147], [2155], [2163], [2171], [2179], [2187], [2195], [2203], [2211], [2219], [2223], [2225], [2228], [2236], [2244], [2252], [2260], [2268], [2276], [2284], [2292], [2300], [2308], [2316], [2324], [2332], [2340], [2348], [2356], [2361], [2365], [2369], [2373], [2377], [2381], [2385], [2389], [2393], [2397], [2401], [2405], [2409], [2413], [2417], [2421], [2425], [2429], [2433], [2437], [2441], [2445], [2449], [2453], [2457], [2461], [2465], [2469], [2473], [2477], [2481], [2485], [2489], [2493], [2497], [2501], [2505], [2509], [2513], [2517], [2521], [2525], [2529], [2533], [2537], [2541], [2545], [2549], [2553], [2557], [2561], [2565], [2569], [2573], [2577], [2581], [2585], [2589], [2593], [2597], [2601], [2605], [2609], [2613], [2617], [2621], [2625], [2629], [2633], [2637], [2641], [2645], [2649], [2653], [2657], [2661], [2664], [3240], [3244], [3248], [3254], [3258], [3260], [3271], [3272], [3273], [3275], [3276] [2018-09-15 11:52:39,149 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 11:52:39,149 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 11:52:44,894 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 11:53:07,886 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 11:53:07,886 INFO L272 AbstractInterpreter]: Visited 153 different actions 300 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-09-15 11:53:07,923 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 11:53:14,653 INFO L232 lantSequenceWeakener]: Weakened 201 states. On average, predicates are now at 75.85% of their original sizes. [2018-09-15 11:53:14,653 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 11:53:16,804 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 11:53:16,804 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 11:53:16,805 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-09-15 11:53:16,805 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 11:53:16,806 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-09-15 11:53:16,807 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-09-15 11:53:16,807 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2018-09-15 11:53:16,807 INFO L87 Difference]: Start difference. First operand 3143 states and 3918 transitions. Second operand 13 states. [2018-09-15 11:54:06,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 11:54:06,519 INFO L93 Difference]: Finished difference Result 4746 states and 7018 transitions. [2018-09-15 11:54:06,520 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-09-15 11:54:06,520 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 203 [2018-09-15 11:54:06,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 11:54:06,538 INFO L225 Difference]: With dead ends: 4746 [2018-09-15 11:54:06,538 INFO L226 Difference]: Without dead ends: 3916 [2018-09-15 11:54:06,546 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 213 GetRequests, 146 SyntacticMatches, 45 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 499 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=127, Invalid=425, Unknown=0, NotChecked=0, Total=552 [2018-09-15 11:54:06,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3916 states. [2018-09-15 11:54:06,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3916 to 3913. [2018-09-15 11:54:06,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3913 states. [2018-09-15 11:54:06,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3913 states to 3913 states and 4704 transitions. [2018-09-15 11:54:06,662 INFO L78 Accepts]: Start accepts. Automaton has 3913 states and 4704 transitions. Word has length 203 [2018-09-15 11:54:06,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 11:54:06,663 INFO L480 AbstractCegarLoop]: Abstraction has 3913 states and 4704 transitions. [2018-09-15 11:54:06,663 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-09-15 11:54:06,664 INFO L276 IsEmpty]: Start isEmpty. Operand 3913 states and 4704 transitions. [2018-09-15 11:54:06,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-09-15 11:54:06,667 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 11:54:06,668 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 11:54:06,668 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 11:54:06,668 INFO L82 PathProgramCache]: Analyzing trace with hash 530818804, now seen corresponding path program 1 times [2018-09-15 11:54:06,668 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 11:54:06,669 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 208 with the following transitions: [2018-09-15 11:54:06,669 INFO L202 CegarAbsIntRunner]: [0], [1], [1868], [1875], [1883], [1891], [1899], [1907], [1915], [1923], [1931], [1939], [1947], [1955], [1963], [1971], [1979], [1987], [1995], [2003], [2011], [2019], [2027], [2035], [2043], [2051], [2059], [2067], [2075], [2083], [2091], [2099], [2107], [2115], [2123], [2131], [2139], [2147], [2155], [2163], [2171], [2179], [2187], [2195], [2203], [2211], [2219], [2223], [2225], [2228], [2236], [2244], [2252], [2260], [2268], [2276], [2284], [2292], [2300], [2308], [2316], [2324], [2332], [2340], [2348], [2356], [2361], [2365], [2369], [2373], [2377], [2381], [2385], [2389], [2393], [2397], [2401], [2405], [2409], [2413], [2417], [2421], [2425], [2429], [2433], [2437], [2441], [2445], [2449], [2453], [2457], [2461], [2465], [2469], [2473], [2477], [2481], [2485], [2489], [2493], [2497], [2501], [2505], [2509], [2513], [2517], [2521], [2525], [2529], [2533], [2537], [2541], [2545], [2549], [2553], [2557], [2561], [2565], [2569], [2573], [2577], [2581], [2585], [2589], [2593], [2597], [2601], [2605], [2609], [2613], [2617], [2621], [2625], [2629], [2633], [2637], [2641], [2645], [2649], [2653], [2657], [2661], [2665], [2669], [2673], [2677], [2680], [3240], [3244], [3248], [3254], [3258], [3260], [3271], [3272], [3273], [3275], [3276] [2018-09-15 11:54:06,675 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-09-15 11:54:06,676 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 11:54:12,387 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 11:54:33,657 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 11:54:33,657 INFO L272 AbstractInterpreter]: Visited 157 different actions 308 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-09-15 11:54:33,693 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 11:54:39,851 INFO L232 lantSequenceWeakener]: Weakened 205 states. On average, predicates are now at 75.83% of their original sizes. [2018-09-15 11:54:39,851 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 11:54:45,565 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 11:54:45,566 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 11:54:45,566 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-09-15 11:54:45,566 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 11:54:45,567 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-09-15 11:54:45,567 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-09-15 11:54:45,568 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2018-09-15 11:54:45,568 INFO L87 Difference]: Start difference. First operand 3913 states and 4704 transitions. Second operand 14 states. Received shutdown request... [2018-09-15 11:54:55,124 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-15 11:54:55,125 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-15 11:54:55,131 WARN L206 ceAbstractionStarter]: Timeout [2018-09-15 11:54:55,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.09 11:54:55 BoogieIcfgContainer [2018-09-15 11:54:55,131 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-15 11:54:55,132 INFO L168 Benchmark]: Toolchain (without parser) took 228941.55 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.7 GB). Free memory was 1.4 GB in the beginning and 3.0 GB in the end (delta: -1.6 GB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2018-09-15 11:54:55,134 INFO L168 Benchmark]: CDTParser took 0.21 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. [2018-09-15 11:54:55,135 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2229.26 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 243.1 MB). Peak memory consumption was 243.1 MB. Max. memory is 7.1 GB. [2018-09-15 11:54:55,135 INFO L168 Benchmark]: Boogie Procedure Inliner took 266.28 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-09-15 11:54:55,136 INFO L168 Benchmark]: Boogie Preprocessor took 1076.27 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 896.5 MB). Free memory was 1.1 GB in the beginning and 2.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 127.9 MB. Max. memory is 7.1 GB. [2018-09-15 11:54:55,138 INFO L168 Benchmark]: RCFGBuilder took 10786.30 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 1.6 GB in the end (delta: 660.9 MB). Peak memory consumption was 660.9 MB. Max. memory is 7.1 GB. [2018-09-15 11:54:55,139 INFO L168 Benchmark]: TraceAbstraction took 214575.63 ms. Allocated memory was 2.4 GB in the beginning and 4.2 GB in the end (delta: 1.8 GB). Free memory was 1.6 GB in the beginning and 3.0 GB in the end (delta: -1.4 GB). Peak memory consumption was 382.6 MB. Max. memory is 7.1 GB. [2018-09-15 11:54:55,147 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2229.26 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 243.1 MB). Peak memory consumption was 243.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 266.28 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 1076.27 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 896.5 MB). Free memory was 1.1 GB in the beginning and 2.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 127.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 10786.30 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 1.6 GB in the end (delta: 660.9 MB). Peak memory consumption was 660.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 214575.63 ms. Allocated memory was 2.4 GB in the beginning and 4.2 GB in the end (delta: 1.8 GB). Free memory was 1.6 GB in the beginning and 3.0 GB in the end (delta: -1.4 GB). Peak memory consumption was 382.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 162]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 162). Cancelled while BasicCegarLoop was constructing difference of abstraction (3913states) and FLOYD_HOARE automaton (currently 8 states, 14 states before enhancement), while ReachableStatesComputation was computing reachable states (189 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 840 locations, 1 error locations. TIMEOUT Result, 214.4s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 118.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2541 SDtfs, 7404 SDslu, 1243 SDs, 0 SdLazy, 26241 SolverSat, 2996 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 108.5s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 619 GetRequests, 425 SyntacticMatches, 135 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1320 ImplicationChecksByTransitivity, 12.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3913occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 67.8s AbstIntTime, 4 AbstIntIterations, 4 AbstIntStrong, 0.9944060832903112 AbsIntWeakeningRatio, 0.13087248322147652 AbsIntAvgWeakeningVarsNumRemoved, 113.38422818791946 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 3 MinimizatonAttempts, 8 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: No data available, 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/Problem12_label44_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-15_11-54-55-167.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem12_label44_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-15_11-54-55-167.csv Completed graceful shutdown