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-INT.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label01_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 14:11:16,943 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 14:11:16,946 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 14:11:16,964 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 14:11:16,964 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 14:11:16,966 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 14:11:16,967 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 14:11:16,969 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 14:11:16,970 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 14:11:16,971 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 14:11:16,972 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 14:11:16,972 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 14:11:16,974 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 14:11:16,975 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 14:11:16,976 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 14:11:16,977 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 14:11:16,977 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 14:11:16,979 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 14:11:16,981 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 14:11:16,983 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 14:11:16,985 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 14:11:16,986 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 14:11:16,988 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 14:11:16,988 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 14:11:16,988 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 14:11:16,989 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 14:11:16,990 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 14:11:16,991 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 14:11:16,992 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 14:11:16,993 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 14:11:16,993 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 14:11:16,994 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 14:11:16,994 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 14:11:16,994 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 14:11:16,995 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 14:11:16,996 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 14:11:16,997 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT.epf [2018-11-07 14:11:17,018 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 14:11:17,018 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 14:11:17,019 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 14:11:17,019 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 14:11:17,020 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 14:11:17,020 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 14:11:17,020 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 14:11:17,020 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 14:11:17,021 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 14:11:17,021 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 14:11:17,021 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 14:11:17,022 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 14:11:17,022 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 14:11:17,023 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 14:11:17,023 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 14:11:17,024 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 14:11:17,024 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 14:11:17,024 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 14:11:17,024 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 14:11:17,024 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 14:11:17,025 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 14:11:17,025 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 14:11:17,025 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 14:11:17,025 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 14:11:17,025 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 14:11:17,027 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 14:11:17,027 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 14:11:17,027 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 14:11:17,027 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 14:11:17,028 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 14:11:17,028 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 14:11:17,028 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 14:11:17,028 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 14:11:17,028 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 14:11:17,085 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 14:11:17,098 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 14:11:17,102 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 14:11:17,103 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 14:11:17,104 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 14:11:17,105 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label01_true-unreach-call.c [2018-11-07 14:11:17,168 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14d22968f/27c29635014042758c2fdaff321e46c3/FLAG3346f8ee4 [2018-11-07 14:11:17,748 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 14:11:17,751 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label01_true-unreach-call.c [2018-11-07 14:11:17,777 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14d22968f/27c29635014042758c2fdaff321e46c3/FLAG3346f8ee4 [2018-11-07 14:11:17,798 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14d22968f/27c29635014042758c2fdaff321e46c3 [2018-11-07 14:11:17,812 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 14:11:17,815 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 14:11:17,816 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 14:11:17,816 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 14:11:17,823 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 14:11:17,824 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:11:17" (1/1) ... [2018-11-07 14:11:17,828 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37ef60d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:11:17, skipping insertion in model container [2018-11-07 14:11:17,828 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:11:17" (1/1) ... [2018-11-07 14:11:17,839 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 14:11:17,904 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 14:11:18,410 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 14:11:18,415 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 14:11:18,568 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 14:11:18,596 INFO L193 MainTranslator]: Completed translation [2018-11-07 14:11:18,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:11:18 WrapperNode [2018-11-07 14:11:18,597 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 14:11:18,598 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 14:11:18,598 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 14:11:18,598 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 14:11:18,613 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:11:18" (1/1) ... [2018-11-07 14:11:18,726 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:11:18" (1/1) ... [2018-11-07 14:11:18,736 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 14:11:18,736 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 14:11:18,741 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 14:11:18,741 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 14:11:18,753 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:11:18" (1/1) ... [2018-11-07 14:11:18,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:11:18" (1/1) ... [2018-11-07 14:11:18,762 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:11:18" (1/1) ... [2018-11-07 14:11:18,763 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:11:18" (1/1) ... [2018-11-07 14:11:18,812 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:11:18" (1/1) ... [2018-11-07 14:11:18,831 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:11:18" (1/1) ... [2018-11-07 14:11:18,836 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:11:18" (1/1) ... [2018-11-07 14:11:18,845 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 14:11:18,845 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 14:11:18,845 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 14:11:18,846 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 14:11:18,847 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:11:18" (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 14:11:18,916 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 14:11:18,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 14:11:18,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 14:11:18,917 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 14:11:18,917 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 14:11:18,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 14:11:18,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 14:11:18,917 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 14:11:18,918 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 14:11:22,127 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 14:11:22,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:11:22 BoogieIcfgContainer [2018-11-07 14:11:22,128 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 14:11:22,131 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 14:11:22,131 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 14:11:22,137 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 14:11:22,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 02:11:17" (1/3) ... [2018-11-07 14:11:22,139 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a471f67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:11:22, skipping insertion in model container [2018-11-07 14:11:22,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:11:18" (2/3) ... [2018-11-07 14:11:22,140 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a471f67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:11:22, skipping insertion in model container [2018-11-07 14:11:22,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:11:22" (3/3) ... [2018-11-07 14:11:22,143 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label01_true-unreach-call.c [2018-11-07 14:11:22,158 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 14:11:22,171 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 14:11:22,192 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 14:11:22,232 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 14:11:22,233 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 14:11:22,233 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 14:11:22,233 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 14:11:22,233 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 14:11:22,234 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 14:11:22,234 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 14:11:22,234 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 14:11:22,266 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2018-11-07 14:11:22,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-07 14:11:22,277 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 14:11:22,279 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, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 14:11:22,281 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 14:11:22,288 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 14:11:22,289 INFO L82 PathProgramCache]: Analyzing trace with hash -1691291748, now seen corresponding path program 1 times [2018-11-07 14:11:22,292 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 14:11:22,357 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 14:11:22,358 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 14:11:22,358 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 14:11:22,358 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 14:11:22,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 14:11:22,918 WARN L179 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 14:11:23,108 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 14:11:23,111 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 14:11:23,111 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 14:11:23,112 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 14:11:23,122 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 14:11:23,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 14:11:23,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 14:11:23,148 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 3 states. [2018-11-07 14:11:24,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 14:11:24,921 INFO L93 Difference]: Finished difference Result 574 states and 992 transitions. [2018-11-07 14:11:24,923 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 14:11:24,924 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2018-11-07 14:11:24,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 14:11:24,941 INFO L225 Difference]: With dead ends: 574 [2018-11-07 14:11:24,942 INFO L226 Difference]: Without dead ends: 356 [2018-11-07 14:11:24,949 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 14:11:24,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2018-11-07 14:11:25,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 356. [2018-11-07 14:11:25,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2018-11-07 14:11:25,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 609 transitions. [2018-11-07 14:11:25,034 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 609 transitions. Word has length 60 [2018-11-07 14:11:25,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 14:11:25,035 INFO L480 AbstractCegarLoop]: Abstraction has 356 states and 609 transitions. [2018-11-07 14:11:25,036 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 14:11:25,036 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 609 transitions. [2018-11-07 14:11:25,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-07 14:11:25,047 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 14:11:25,048 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, 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] [2018-11-07 14:11:25,048 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 14:11:25,048 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 14:11:25,049 INFO L82 PathProgramCache]: Analyzing trace with hash -1506437984, now seen corresponding path program 1 times [2018-11-07 14:11:25,049 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 14:11:25,050 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 14:11:25,050 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 14:11:25,051 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 14:11:25,051 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 14:11:25,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 14:11:25,477 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 14:11:25,477 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 14:11:25,478 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-07 14:11:25,479 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 14:11:25,483 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-07 14:11:25,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-07 14:11:25,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 14:11:25,484 INFO L87 Difference]: Start difference. First operand 356 states and 609 transitions. Second operand 4 states. [2018-11-07 14:11:27,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 14:11:27,676 INFO L93 Difference]: Finished difference Result 1282 states and 2328 transitions. [2018-11-07 14:11:27,677 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 14:11:27,677 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 180 [2018-11-07 14:11:27,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 14:11:27,687 INFO L225 Difference]: With dead ends: 1282 [2018-11-07 14:11:27,687 INFO L226 Difference]: Without dead ends: 932 [2018-11-07 14:11:27,692 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 14:11:27,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 932 states. [2018-11-07 14:11:27,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 932 to 932. [2018-11-07 14:11:27,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 932 states. [2018-11-07 14:11:27,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 932 states and 1469 transitions. [2018-11-07 14:11:27,761 INFO L78 Accepts]: Start accepts. Automaton has 932 states and 1469 transitions. Word has length 180 [2018-11-07 14:11:27,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 14:11:27,762 INFO L480 AbstractCegarLoop]: Abstraction has 932 states and 1469 transitions. [2018-11-07 14:11:27,763 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-07 14:11:27,763 INFO L276 IsEmpty]: Start isEmpty. Operand 932 states and 1469 transitions. [2018-11-07 14:11:27,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-07 14:11:27,772 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 14:11:27,772 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, 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] [2018-11-07 14:11:27,773 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 14:11:27,773 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 14:11:27,773 INFO L82 PathProgramCache]: Analyzing trace with hash -1775578949, now seen corresponding path program 1 times [2018-11-07 14:11:27,774 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 14:11:27,775 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 14:11:27,775 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 14:11:27,775 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 14:11:27,775 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 14:11:27,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 14:11:28,195 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 14:11:28,195 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 14:11:28,196 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 14:11:28,196 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 14:11:28,197 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 14:11:28,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 14:11:28,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 14:11:28,198 INFO L87 Difference]: Start difference. First operand 932 states and 1469 transitions. Second operand 6 states. [2018-11-07 14:11:32,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 14:11:32,058 INFO L93 Difference]: Finished difference Result 2162 states and 3509 transitions. [2018-11-07 14:11:32,059 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 14:11:32,059 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 187 [2018-11-07 14:11:32,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 14:11:32,077 INFO L225 Difference]: With dead ends: 2162 [2018-11-07 14:11:32,077 INFO L226 Difference]: Without dead ends: 1236 [2018-11-07 14:11:32,089 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 14:11:32,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1236 states. [2018-11-07 14:11:32,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1236 to 1216. [2018-11-07 14:11:32,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1216 states. [2018-11-07 14:11:32,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1216 states to 1216 states and 1766 transitions. [2018-11-07 14:11:32,146 INFO L78 Accepts]: Start accepts. Automaton has 1216 states and 1766 transitions. Word has length 187 [2018-11-07 14:11:32,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 14:11:32,147 INFO L480 AbstractCegarLoop]: Abstraction has 1216 states and 1766 transitions. [2018-11-07 14:11:32,147 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 14:11:32,147 INFO L276 IsEmpty]: Start isEmpty. Operand 1216 states and 1766 transitions. [2018-11-07 14:11:32,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-11-07 14:11:32,156 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 14:11:32,156 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-07 14:11:32,157 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 14:11:32,157 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 14:11:32,157 INFO L82 PathProgramCache]: Analyzing trace with hash -1634613069, now seen corresponding path program 1 times [2018-11-07 14:11:32,157 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 14:11:32,158 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 14:11:32,159 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 14:11:32,159 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 14:11:32,159 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 14:11:32,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 14:11:32,447 WARN L179 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 14:11:32,894 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 106 proven. 65 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-07 14:11:32,894 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 14:11:32,894 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 14:11:32,896 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 258 with the following transitions: [2018-11-07 14:11:32,905 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [381], [383], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [494], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [722], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-07 14:11:32,988 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-07 14:11:32,989 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 14:11:33,575 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 14:11:33,579 INFO L272 AbstractInterpreter]: Visited 132 different actions 132 times. Never merged. Never widened. Never found a fixpoint. Largest state had 24 variables. [2018-11-07 14:11:33,632 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 14:11:33,633 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 14:11:34,294 INFO L227 lantSequenceWeakener]: Weakened 248 states. On average, predicates are now at 73.41% of their original sizes. [2018-11-07 14:11:34,295 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 14:11:34,518 INFO L415 sIntCurrentIteration]: We unified 256 AI predicates to 256 [2018-11-07 14:11:34,519 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 14:11:34,522 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 14:11:34,523 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2018-11-07 14:11:34,523 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 14:11:34,524 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-07 14:11:34,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-07 14:11:34,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-11-07 14:11:34,524 INFO L87 Difference]: Start difference. First operand 1216 states and 1766 transitions. Second operand 7 states. [2018-11-07 14:11:36,633 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. Received shutdown request... [2018-11-07 14:15:41,778 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 14:15:41,779 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-07 14:15:41,785 WARN L205 ceAbstractionStarter]: Timeout [2018-11-07 14:15:41,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 02:15:41 BoogieIcfgContainer [2018-11-07 14:15:41,786 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 14:15:41,787 INFO L168 Benchmark]: Toolchain (without parser) took 263973.26 ms. Allocated memory was 1.5 GB in the beginning and 2.6 GB in the end (delta: 1.1 GB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -843.7 MB). Peak memory consumption was 214.8 MB. Max. memory is 7.1 GB. [2018-11-07 14:15:41,788 INFO L168 Benchmark]: CDTParser took 0.24 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 14:15:41,789 INFO L168 Benchmark]: CACSL2BoogieTranslator took 781.18 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-11-07 14:15:41,790 INFO L168 Benchmark]: Boogie Procedure Inliner took 138.66 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 750.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -839.4 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. [2018-11-07 14:15:41,791 INFO L168 Benchmark]: Boogie Preprocessor took 108.43 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: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. [2018-11-07 14:15:41,792 INFO L168 Benchmark]: RCFGBuilder took 3284.66 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 105.5 MB). Peak memory consumption was 105.5 MB. Max. memory is 7.1 GB. [2018-11-07 14:15:41,793 INFO L168 Benchmark]: TraceAbstraction took 259655.01 ms. Allocated memory was 2.3 GB in the beginning and 2.6 GB in the end (delta: 308.3 MB). Free memory was 2.1 GB in the beginning and 2.3 GB in the end (delta: -155.0 MB). Peak memory consumption was 153.2 MB. Max. memory is 7.1 GB. [2018-11-07 14:15:41,798 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 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 781.18 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 138.66 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 750.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -839.4 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 108.43 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: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3284.66 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 105.5 MB). Peak memory consumption was 105.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 259655.01 ms. Allocated memory was 2.3 GB in the beginning and 2.6 GB in the end (delta: 308.3 MB). Free memory was 2.1 GB in the beginning and 2.3 GB in the end (delta: -155.0 MB). Peak memory consumption was 153.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 163]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 163). Cancelled while BasicCegarLoop was constructing difference of abstraction (1216states) and FLOYD_HOARE automaton (currently 7 states, 7 states before enhancement),while ReachableStatesComputation was computing reachable states (1490 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 216 locations, 1 error locations. TIMEOUT Result, 259.5s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 255.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 671 SDtfs, 1522 SDslu, 428 SDs, 0 SdLazy, 2909 SolverSat, 704 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 244.2s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 277 GetRequests, 258 SyntacticMatches, 3 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1216occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.7s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9978008319805197 AbsIntWeakeningRatio, 0.1015625 AbsIntAvgWeakeningVarsNumRemoved, 17.70703125 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 20 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 684 NumberOfCodeBlocks, 684 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 680 ConstructedInterpolants, 0 QuantifiedInterpolants, 443498 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 217/282 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown