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 -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem13_label27_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 03:18:34,972 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 03:18:34,974 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 03:18:34,986 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 03:18:34,987 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 03:18:34,988 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 03:18:34,989 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 03:18:34,991 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 03:18:34,993 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 03:18:34,994 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 03:18:34,995 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 03:18:34,995 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 03:18:34,996 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 03:18:34,997 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 03:18:34,998 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 03:18:34,999 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 03:18:35,000 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 03:18:35,002 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 03:18:35,004 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 03:18:35,006 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 03:18:35,007 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 03:18:35,008 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 03:18:35,011 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 03:18:35,011 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 03:18:35,012 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 03:18:35,013 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 03:18:35,014 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 03:18:35,015 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 03:18:35,016 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 03:18:35,017 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 03:18:35,017 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 03:18:35,018 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 03:18:35,018 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 03:18:35,018 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 03:18:35,019 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 03:18:35,020 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 03:18:35,020 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-11-07 03:18:35,036 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 03:18:35,036 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 03:18:35,037 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 03:18:35,037 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 03:18:35,038 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 03:18:35,038 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 03:18:35,038 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 03:18:35,038 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 03:18:35,038 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 03:18:35,039 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 03:18:35,039 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 03:18:35,039 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-07 03:18:35,040 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 03:18:35,040 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 03:18:35,040 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 03:18:35,041 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 03:18:35,041 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 03:18:35,041 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 03:18:35,041 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 03:18:35,041 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 03:18:35,042 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 03:18:35,042 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 03:18:35,042 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 03:18:35,042 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 03:18:35,042 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 03:18:35,043 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 03:18:35,043 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 03:18:35,043 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 03:18:35,043 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 03:18:35,043 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 03:18:35,045 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 03:18:35,045 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 03:18:35,045 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 03:18:35,046 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 03:18:35,109 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 03:18:35,131 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 03:18:35,136 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 03:18:35,138 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 03:18:35,139 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 03:18:35,140 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem13_label27_true-unreach-call.c [2018-11-07 03:18:35,205 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94546b83d/67eca6c3ef15446ebc392f0b09f6f76b/FLAGa9e587d6e [2018-11-07 03:18:36,053 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 03:18:36,055 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem13_label27_true-unreach-call.c [2018-11-07 03:18:36,098 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94546b83d/67eca6c3ef15446ebc392f0b09f6f76b/FLAGa9e587d6e [2018-11-07 03:18:36,118 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94546b83d/67eca6c3ef15446ebc392f0b09f6f76b [2018-11-07 03:18:36,131 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 03:18:36,133 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 03:18:36,137 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 03:18:36,137 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 03:18:36,141 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 03:18:36,142 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:18:36" (1/1) ... [2018-11-07 03:18:36,146 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65371837 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:18:36, skipping insertion in model container [2018-11-07 03:18:36,146 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:18:36" (1/1) ... [2018-11-07 03:18:36,158 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 03:18:36,379 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 03:18:37,936 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 03:18:37,941 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 03:18:38,751 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 03:18:38,789 INFO L193 MainTranslator]: Completed translation [2018-11-07 03:18:38,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:18:38 WrapperNode [2018-11-07 03:18:38,789 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 03:18:38,790 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 03:18:38,791 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 03:18:38,791 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 03:18:38,801 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:18:38" (1/1) ... [2018-11-07 03:18:39,190 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:18:38" (1/1) ... [2018-11-07 03:18:39,202 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 03:18:39,202 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 03:18:39,202 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 03:18:39,202 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 03:18:39,214 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:18:38" (1/1) ... [2018-11-07 03:18:39,215 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:18:38" (1/1) ... [2018-11-07 03:18:39,272 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:18:38" (1/1) ... [2018-11-07 03:18:39,273 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:18:38" (1/1) ... [2018-11-07 03:18:39,411 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:18:38" (1/1) ... [2018-11-07 03:18:39,460 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:18:38" (1/1) ... [2018-11-07 03:18:39,490 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:18:38" (1/1) ... [2018-11-07 03:18:39,522 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 03:18:39,523 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 03:18:39,523 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 03:18:39,523 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 03:18:39,524 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:18:38" (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 [2018-11-07 03:18:39,596 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 03:18:39,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 03:18:39,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 03:18:39,597 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-11-07 03:18:39,597 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-11-07 03:18:39,598 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-11-07 03:18:39,598 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-11-07 03:18:39,598 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-07 03:18:39,598 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-07 03:18:39,599 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 03:18:39,599 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 03:18:39,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 03:18:39,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 03:18:39,600 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 03:18:39,600 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 03:18:49,853 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 03:18:49,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:18:49 BoogieIcfgContainer [2018-11-07 03:18:49,855 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 03:18:49,856 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 03:18:49,856 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 03:18:49,859 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 03:18:49,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 03:18:36" (1/3) ... [2018-11-07 03:18:49,861 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61c0990e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:18:49, skipping insertion in model container [2018-11-07 03:18:49,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:18:38" (2/3) ... [2018-11-07 03:18:49,861 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61c0990e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:18:49, skipping insertion in model container [2018-11-07 03:18:49,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:18:49" (3/3) ... [2018-11-07 03:18:49,863 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem13_label27_true-unreach-call.c [2018-11-07 03:18:49,873 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 03:18:49,884 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 03:18:49,902 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 03:18:49,962 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 03:18:49,962 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 03:18:49,962 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 03:18:49,962 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 03:18:49,963 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 03:18:49,963 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 03:18:49,963 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 03:18:49,963 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 03:18:50,016 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states. [2018-11-07 03:18:50,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-07 03:18:50,026 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 03:18:50,027 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 03:18:50,030 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 03:18:50,036 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:18:50,036 INFO L82 PathProgramCache]: Analyzing trace with hash 1638036668, now seen corresponding path program 1 times [2018-11-07 03:18:50,039 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 03:18:50,098 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:18:50,098 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 03:18:50,099 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:18:50,099 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 03:18:50,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 03:18:50,563 WARN L179 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 03:18:50,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 03:18:50,687 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 03:18:50,688 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 03:18:50,688 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 03:18:50,694 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 03:18:50,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 03:18:50,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 03:18:50,717 INFO L87 Difference]: Start difference. First operand 1120 states. Second operand 3 states. [2018-11-07 03:18:59,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 03:18:59,209 INFO L93 Difference]: Finished difference Result 3104 states and 5729 transitions. [2018-11-07 03:18:59,210 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 03:18:59,211 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-07 03:18:59,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 03:18:59,246 INFO L225 Difference]: With dead ends: 3104 [2018-11-07 03:18:59,246 INFO L226 Difference]: Without dead ends: 1982 [2018-11-07 03:18:59,258 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 03:18:59,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1982 states. [2018-11-07 03:18:59,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1982 to 1965. [2018-11-07 03:18:59,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1965 states. [2018-11-07 03:18:59,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1965 states to 1965 states and 3515 transitions. [2018-11-07 03:18:59,436 INFO L78 Accepts]: Start accepts. Automaton has 1965 states and 3515 transitions. Word has length 52 [2018-11-07 03:18:59,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 03:18:59,437 INFO L480 AbstractCegarLoop]: Abstraction has 1965 states and 3515 transitions. [2018-11-07 03:18:59,437 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 03:18:59,437 INFO L276 IsEmpty]: Start isEmpty. Operand 1965 states and 3515 transitions. [2018-11-07 03:18:59,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-07 03:18:59,450 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 03:18:59,451 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 03:18:59,451 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 03:18:59,452 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:18:59,454 INFO L82 PathProgramCache]: Analyzing trace with hash -228599944, now seen corresponding path program 1 times [2018-11-07 03:18:59,454 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 03:18:59,455 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:18:59,455 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 03:18:59,455 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:18:59,456 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 03:18:59,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 03:18:59,880 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 03:18:59,880 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 03:18:59,880 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-07 03:18:59,881 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 03:18:59,883 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-07 03:18:59,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-07 03:18:59,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-07 03:18:59,884 INFO L87 Difference]: Start difference. First operand 1965 states and 3515 transitions. Second operand 5 states. [2018-11-07 03:19:12,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 03:19:12,696 INFO L93 Difference]: Finished difference Result 5645 states and 10294 transitions. [2018-11-07 03:19:12,699 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 03:19:12,699 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 122 [2018-11-07 03:19:12,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 03:19:12,723 INFO L225 Difference]: With dead ends: 5645 [2018-11-07 03:19:12,723 INFO L226 Difference]: Without dead ends: 3686 [2018-11-07 03:19:12,731 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-07 03:19:12,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3686 states. [2018-11-07 03:19:12,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3686 to 3654. [2018-11-07 03:19:12,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3654 states. [2018-11-07 03:19:12,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3654 states to 3654 states and 5960 transitions. [2018-11-07 03:19:12,849 INFO L78 Accepts]: Start accepts. Automaton has 3654 states and 5960 transitions. Word has length 122 [2018-11-07 03:19:12,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 03:19:12,850 INFO L480 AbstractCegarLoop]: Abstraction has 3654 states and 5960 transitions. [2018-11-07 03:19:12,850 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-07 03:19:12,850 INFO L276 IsEmpty]: Start isEmpty. Operand 3654 states and 5960 transitions. [2018-11-07 03:19:12,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-11-07 03:19:12,864 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 03:19:12,865 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 03:19:12,865 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 03:19:12,865 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:19:12,865 INFO L82 PathProgramCache]: Analyzing trace with hash -1612728044, now seen corresponding path program 1 times [2018-11-07 03:19:12,865 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 03:19:12,866 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:19:12,867 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 03:19:12,869 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:19:12,869 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 03:19:12,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 03:19:13,065 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 03:19:13,066 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 03:19:13,066 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-07 03:19:13,066 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 03:19:13,067 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-07 03:19:13,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-07 03:19:13,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-07 03:19:13,068 INFO L87 Difference]: Start difference. First operand 3654 states and 5960 transitions. Second operand 5 states. [2018-11-07 03:19:22,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 03:19:22,668 INFO L93 Difference]: Finished difference Result 10919 states and 18331 transitions. [2018-11-07 03:19:22,672 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-07 03:19:22,672 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 124 [2018-11-07 03:19:22,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 03:19:22,719 INFO L225 Difference]: With dead ends: 10919 [2018-11-07 03:19:22,719 INFO L226 Difference]: Without dead ends: 7271 [2018-11-07 03:19:22,734 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-07 03:19:22,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7271 states. [2018-11-07 03:19:22,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7271 to 7118. [2018-11-07 03:19:22,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7118 states. [2018-11-07 03:19:22,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7118 states to 7118 states and 10839 transitions. [2018-11-07 03:19:22,993 INFO L78 Accepts]: Start accepts. Automaton has 7118 states and 10839 transitions. Word has length 124 [2018-11-07 03:19:22,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 03:19:22,994 INFO L480 AbstractCegarLoop]: Abstraction has 7118 states and 10839 transitions. [2018-11-07 03:19:22,994 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-07 03:19:22,994 INFO L276 IsEmpty]: Start isEmpty. Operand 7118 states and 10839 transitions. [2018-11-07 03:19:22,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-11-07 03:19:22,997 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 03:19:22,997 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 03:19:22,998 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 03:19:22,998 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:19:22,998 INFO L82 PathProgramCache]: Analyzing trace with hash -1125748408, now seen corresponding path program 1 times [2018-11-07 03:19:22,998 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 03:19:22,999 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:19:22,999 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 03:19:22,999 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:19:23,000 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 03:19:23,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 03:19:23,373 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-07 03:19:23,374 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 03:19:23,374 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 03:19:23,375 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 147 with the following transitions: [2018-11-07 03:19:23,377 INFO L202 CegarAbsIntRunner]: [0], [1], [2628], [2635], [2643], [2651], [2659], [2667], [2675], [2683], [2691], [2699], [2707], [2715], [2723], [2731], [2739], [2747], [2755], [2763], [2771], [2779], [2787], [2795], [2803], [2811], [2819], [2827], [2835], [2843], [2851], [2859], [2867], [2875], [2883], [2891], [2899], [2907], [2915], [2923], [2931], [2939], [2943], [2945], [2948], [2956], [2964], [2972], [2980], [2988], [2996], [3004], [3012], [3020], [3028], [3036], [3044], [3052], [3060], [3068], [3076], [3084], [3092], [3100], [3108], [3116], [3121], [3125], [3129], [3133], [3137], [3148], [3152], [3156], [3160], [3164], [3168], [3179], [3183], [3187], [3191], [3195], [3199], [3203], [3207], [3218], [3222], [3226], [3230], [3234], [3237], [4238], [4242], [4246], [4252], [4256], [4258], [4269], [4270], [4271], [4273], [4274] [2018-11-07 03:19:23,447 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-07 03:19:23,448 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 03:19:27,739 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 03:19:27,741 INFO L272 AbstractInterpreter]: Visited 98 different actions 98 times. Never merged. Never widened. Never found a fixpoint. Largest state had 26 variables. [2018-11-07 03:19:27,757 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:19:27,757 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 03:19:30,762 INFO L227 lantSequenceWeakener]: Weakened 131 states. On average, predicates are now at 72.31% of their original sizes. [2018-11-07 03:19:30,764 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 03:19:32,168 INFO L415 sIntCurrentIteration]: We unified 145 AI predicates to 145 [2018-11-07 03:19:32,168 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 03:19:32,169 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 03:19:32,169 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [5] total 13 [2018-11-07 03:19:32,169 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 03:19:32,170 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-07 03:19:32,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-07 03:19:32,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-11-07 03:19:32,171 INFO L87 Difference]: Start difference. First operand 7118 states and 10839 transitions. Second operand 10 states. [2018-11-07 03:19:59,956 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. Received shutdown request... [2018-11-07 03:22:19,559 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-07 03:22:19,559 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-07 03:22:19,564 WARN L205 ceAbstractionStarter]: Timeout [2018-11-07 03:22:19,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 03:22:19 BoogieIcfgContainer [2018-11-07 03:22:19,565 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 03:22:19,565 INFO L168 Benchmark]: Toolchain (without parser) took 223433.57 ms. Allocated memory was 1.5 GB in the beginning and 4.1 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: -3.1 MB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. [2018-11-07 03:22:19,567 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. [2018-11-07 03:22:19,567 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2653.19 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 243.1 MB). Peak memory consumption was 243.1 MB. Max. memory is 7.1 GB. [2018-11-07 03:22:19,568 INFO L168 Benchmark]: Boogie Procedure Inliner took 411.45 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 791.7 MB). Free memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 67.7 MB. Max. memory is 7.1 GB. [2018-11-07 03:22:19,569 INFO L168 Benchmark]: Boogie Preprocessor took 320.33 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 37.2 MB). Peak memory consumption was 37.2 MB. Max. memory is 7.1 GB. [2018-11-07 03:22:19,570 INFO L168 Benchmark]: RCFGBuilder took 10332.23 ms. Allocated memory was 2.3 GB in the beginning and 2.5 GB in the end (delta: 168.8 MB). Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 21.0 MB). Peak memory consumption was 668.1 MB. Max. memory is 7.1 GB. [2018-11-07 03:22:19,571 INFO L168 Benchmark]: TraceAbstraction took 209708.63 ms. Allocated memory was 2.5 GB in the beginning and 4.1 GB in the end (delta: 1.7 GB). Free memory was 2.2 GB in the beginning and 1.4 GB in the end (delta: 775.4 MB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. [2018-11-07 03:22:19,577 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 2653.19 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 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 411.45 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 791.7 MB). Free memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 67.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 320.33 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 37.2 MB). Peak memory consumption was 37.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 10332.23 ms. Allocated memory was 2.3 GB in the beginning and 2.5 GB in the end (delta: 168.8 MB). Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 21.0 MB). Peak memory consumption was 668.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 209708.63 ms. Allocated memory was 2.5 GB in the beginning and 4.1 GB in the end (delta: 1.7 GB). Free memory was 2.2 GB in the beginning and 1.4 GB in the end (delta: 775.4 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: 147]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 147). Cancelled while BasicCegarLoop was constructing difference of abstraction (7118states) and FLOYD_HOARE automaton (currently 9 states, 10 states before enhancement),while ReachableStatesComputation was computing reachable states (5284 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 1120 locations, 1 error locations. TIMEOUT Result, 209.6s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 198.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1771 SDtfs, 9598 SDslu, 1517 SDs, 0 SdLazy, 13882 SolverSat, 3817 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 143.2s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 172 GetRequests, 145 SyntacticMatches, 3 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7118occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 4.3s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9943978779840847 AbsIntWeakeningRatio, 0.14482758620689656 AbsIntAvgWeakeningVarsNumRemoved, 31.255172413793105 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 3 MinimizatonAttempts, 202 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 444 NumberOfCodeBlocks, 444 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 440 ConstructedInterpolants, 0 QuantifiedInterpolants, 139447 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 94/135 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown