java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-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/Problem01_label17_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 19:12:46,138 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 19:12:46,141 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 19:12:46,157 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 19:12:46,157 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 19:12:46,158 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 19:12:46,159 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 19:12:46,161 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 19:12:46,163 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 19:12:46,164 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 19:12:46,165 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 19:12:46,165 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 19:12:46,166 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 19:12:46,167 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 19:12:46,168 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 19:12:46,169 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 19:12:46,170 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 19:12:46,172 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 19:12:46,174 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 19:12:46,175 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 19:12:46,176 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 19:12:46,178 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 19:12:46,180 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-24 19:12:46,180 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-24 19:12:46,181 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-24 19:12:46,182 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-24 19:12:46,183 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-24 19:12:46,183 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-24 19:12:46,184 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-24 19:12:46,185 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-24 19:12:46,186 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-24 19:12:46,186 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-24 19:12:46,187 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-24 19:12:46,187 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-24 19:12:46,188 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-24 19:12:46,190 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-24 19:12:46,190 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-10-24 19:12:46,221 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 19:12:46,221 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 19:12:46,222 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 19:12:46,222 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 19:12:46,222 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 19:12:46,223 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 19:12:46,223 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 19:12:46,223 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 19:12:46,223 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 19:12:46,223 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 19:12:46,223 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 19:12:46,224 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 19:12:46,225 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 19:12:46,226 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 19:12:46,226 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 19:12:46,226 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 19:12:46,226 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 19:12:46,226 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 19:12:46,227 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 19:12:46,228 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 19:12:46,228 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 19:12:46,228 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 19:12:46,228 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 19:12:46,228 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 19:12:46,228 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 19:12:46,229 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 19:12:46,229 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 19:12:46,229 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 19:12:46,229 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 19:12:46,229 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 19:12:46,230 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 19:12:46,231 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 19:12:46,231 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 19:12:46,231 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 19:12:46,293 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 19:12:46,307 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 19:12:46,312 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 19:12:46,313 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 19:12:46,314 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 19:12:46,314 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label17_true-unreach-call_false-termination.c [2018-10-24 19:12:46,375 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/6a758a2ec/3af7aff3622348db92b0926584abcc45/FLAG057dff327 [2018-10-24 19:12:46,924 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 19:12:46,925 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label17_true-unreach-call_false-termination.c [2018-10-24 19:12:46,948 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/6a758a2ec/3af7aff3622348db92b0926584abcc45/FLAG057dff327 [2018-10-24 19:12:46,966 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/6a758a2ec/3af7aff3622348db92b0926584abcc45 [2018-10-24 19:12:46,977 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 19:12:46,979 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 19:12:46,980 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 19:12:46,980 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 19:12:46,984 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 19:12:46,984 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 07:12:46" (1/1) ... [2018-10-24 19:12:46,987 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78ae13cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:12:46, skipping insertion in model container [2018-10-24 19:12:46,988 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 07:12:46" (1/1) ... [2018-10-24 19:12:46,998 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 19:12:47,075 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 19:12:47,539 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 19:12:47,547 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 19:12:47,697 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 19:12:47,718 INFO L193 MainTranslator]: Completed translation [2018-10-24 19:12:47,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:12:47 WrapperNode [2018-10-24 19:12:47,718 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 19:12:47,719 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 19:12:47,719 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 19:12:47,720 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 19:12:47,730 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:12:47" (1/1) ... [2018-10-24 19:12:47,754 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:12:47" (1/1) ... [2018-10-24 19:12:47,910 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 19:12:47,910 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 19:12:47,910 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 19:12:47,911 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 19:12:47,922 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:12:47" (1/1) ... [2018-10-24 19:12:47,923 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:12:47" (1/1) ... [2018-10-24 19:12:47,928 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:12:47" (1/1) ... [2018-10-24 19:12:47,929 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:12:47" (1/1) ... [2018-10-24 19:12:47,952 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:12:47" (1/1) ... [2018-10-24 19:12:47,965 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:12:47" (1/1) ... [2018-10-24 19:12:47,973 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:12:47" (1/1) ... [2018-10-24 19:12:47,982 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 19:12:47,982 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 19:12:47,982 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 19:12:47,982 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 19:12:47,983 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:12:47" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-24 19:12:48,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 19:12:48,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 19:12:48,082 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 19:12:48,082 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 19:12:48,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 19:12:48,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 19:12:48,083 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 19:12:48,083 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 19:12:51,705 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 19:12:51,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:12:51 BoogieIcfgContainer [2018-10-24 19:12:51,706 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 19:12:51,708 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 19:12:51,708 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 19:12:51,711 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 19:12:51,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 07:12:46" (1/3) ... [2018-10-24 19:12:51,713 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36d74c26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 07:12:51, skipping insertion in model container [2018-10-24 19:12:51,713 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:12:47" (2/3) ... [2018-10-24 19:12:51,713 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36d74c26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 07:12:51, skipping insertion in model container [2018-10-24 19:12:51,714 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:12:51" (3/3) ... [2018-10-24 19:12:51,716 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label17_true-unreach-call_false-termination.c [2018-10-24 19:12:51,727 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 19:12:51,738 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 19:12:51,756 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 19:12:51,795 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 19:12:51,795 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 19:12:51,795 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 19:12:51,796 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 19:12:51,796 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 19:12:51,796 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 19:12:51,797 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 19:12:51,797 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 19:12:51,831 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-10-24 19:12:51,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-10-24 19:12:51,853 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 19:12:51,858 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 19:12:51,863 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 19:12:51,870 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 19:12:51,870 INFO L82 PathProgramCache]: Analyzing trace with hash -1707442147, now seen corresponding path program 1 times [2018-10-24 19:12:51,873 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 19:12:51,936 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:12:51,936 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 19:12:51,936 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:12:51,937 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 19:12:52,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 19:12:52,573 WARN L179 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 19:12:52,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 19:12:52,643 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 19:12:52,644 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 19:12:52,644 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 19:12:52,651 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 19:12:52,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 19:12:52,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 19:12:52,670 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 3 states. [2018-10-24 19:12:54,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 19:12:54,380 INFO L93 Difference]: Finished difference Result 550 states and 941 transitions. [2018-10-24 19:12:54,381 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 19:12:54,383 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 123 [2018-10-24 19:12:54,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 19:12:54,401 INFO L225 Difference]: With dead ends: 550 [2018-10-24 19:12:54,402 INFO L226 Difference]: Without dead ends: 340 [2018-10-24 19:12:54,408 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 19:12:54,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-10-24 19:12:54,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2018-10-24 19:12:54,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-10-24 19:12:54,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 571 transitions. [2018-10-24 19:12:54,482 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 571 transitions. Word has length 123 [2018-10-24 19:12:54,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 19:12:54,484 INFO L481 AbstractCegarLoop]: Abstraction has 340 states and 571 transitions. [2018-10-24 19:12:54,484 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 19:12:54,484 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 571 transitions. [2018-10-24 19:12:54,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-10-24 19:12:54,490 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 19:12:54,490 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 19:12:54,491 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 19:12:54,491 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 19:12:54,491 INFO L82 PathProgramCache]: Analyzing trace with hash -568294122, now seen corresponding path program 1 times [2018-10-24 19:12:54,492 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 19:12:54,493 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:12:54,493 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 19:12:54,493 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:12:54,493 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 19:12:54,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 19:12:54,715 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 19:12:54,715 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 19:12:54,716 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 19:12:54,716 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 19:12:54,718 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 19:12:54,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 19:12:54,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 19:12:54,719 INFO L87 Difference]: Start difference. First operand 340 states and 571 transitions. Second operand 3 states. [2018-10-24 19:12:55,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 19:12:55,649 INFO L93 Difference]: Finished difference Result 946 states and 1654 transitions. [2018-10-24 19:12:55,649 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 19:12:55,650 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 141 [2018-10-24 19:12:55,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 19:12:55,658 INFO L225 Difference]: With dead ends: 946 [2018-10-24 19:12:55,658 INFO L226 Difference]: Without dead ends: 612 [2018-10-24 19:12:55,664 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 19:12:55,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 612 states. [2018-10-24 19:12:55,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 612 to 612. [2018-10-24 19:12:55,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 612 states. [2018-10-24 19:12:55,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 987 transitions. [2018-10-24 19:12:55,732 INFO L78 Accepts]: Start accepts. Automaton has 612 states and 987 transitions. Word has length 141 [2018-10-24 19:12:55,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 19:12:55,733 INFO L481 AbstractCegarLoop]: Abstraction has 612 states and 987 transitions. [2018-10-24 19:12:55,733 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 19:12:55,733 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 987 transitions. [2018-10-24 19:12:55,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-10-24 19:12:55,743 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 19:12:55,745 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 19:12:55,745 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 19:12:55,746 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 19:12:55,746 INFO L82 PathProgramCache]: Analyzing trace with hash -1913137078, now seen corresponding path program 1 times [2018-10-24 19:12:55,746 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 19:12:55,747 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:12:55,748 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 19:12:55,748 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:12:55,748 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 19:12:55,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 19:12:56,078 WARN L179 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 19:12:56,418 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 19:12:56,419 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 19:12:56,419 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 19:12:56,419 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 19:12:56,420 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 19:12:56,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 19:12:56,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 19:12:56,421 INFO L87 Difference]: Start difference. First operand 612 states and 987 transitions. Second operand 6 states. [2018-10-24 19:12:58,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 19:12:58,599 INFO L93 Difference]: Finished difference Result 1625 states and 2647 transitions. [2018-10-24 19:12:58,602 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 19:12:58,602 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 167 [2018-10-24 19:12:58,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 19:12:58,609 INFO L225 Difference]: With dead ends: 1625 [2018-10-24 19:12:58,610 INFO L226 Difference]: Without dead ends: 1019 [2018-10-24 19:12:58,613 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-24 19:12:58,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1019 states. [2018-10-24 19:12:58,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1019 to 1009. [2018-10-24 19:12:58,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1009 states. [2018-10-24 19:12:58,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1009 states to 1009 states and 1456 transitions. [2018-10-24 19:12:58,660 INFO L78 Accepts]: Start accepts. Automaton has 1009 states and 1456 transitions. Word has length 167 [2018-10-24 19:12:58,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 19:12:58,660 INFO L481 AbstractCegarLoop]: Abstraction has 1009 states and 1456 transitions. [2018-10-24 19:12:58,661 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 19:12:58,661 INFO L276 IsEmpty]: Start isEmpty. Operand 1009 states and 1456 transitions. [2018-10-24 19:12:58,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-10-24 19:12:58,666 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 19:12:58,666 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 19:12:58,666 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 19:12:58,666 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 19:12:58,671 INFO L82 PathProgramCache]: Analyzing trace with hash 1620857015, now seen corresponding path program 1 times [2018-10-24 19:12:58,671 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 19:12:58,672 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:12:58,672 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 19:12:58,672 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:12:58,673 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 19:12:58,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 19:12:58,941 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 60 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 19:12:58,942 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 19:12:58,942 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 19:12:58,943 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 180 with the following transitions: [2018-10-24 19:12:58,945 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [145], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [621], [623], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-10-24 19:12:59,012 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 19:12:59,013 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 19:13:32,826 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 19:13:32,828 INFO L272 AbstractInterpreter]: Visited 127 different actions 192 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-10-24 19:13:32,858 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 19:13:32,859 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 19:13:40,390 INFO L232 lantSequenceWeakener]: Weakened 72 states. On average, predicates are now at 81.53% of their original sizes. [2018-10-24 19:13:40,390 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 19:14:33,548 INFO L413 sIntCurrentIteration]: We have 178 unified AI predicates [2018-10-24 19:14:33,548 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 19:14:33,549 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 19:14:33,549 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [24] imperfect sequences [6] total 28 [2018-10-24 19:14:33,549 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 19:14:33,550 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-10-24 19:14:33,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-10-24 19:14:33,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=453, Unknown=0, NotChecked=0, Total=552 [2018-10-24 19:14:33,551 INFO L87 Difference]: Start difference. First operand 1009 states and 1456 transitions. Second operand 24 states. Received shutdown request... [2018-10-24 19:17:05,394 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-10-24 19:17:05,395 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 19:17:05,401 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 19:17:05,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 07:17:05 BoogieIcfgContainer [2018-10-24 19:17:05,401 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 19:17:05,402 INFO L168 Benchmark]: Toolchain (without parser) took 258424.53 ms. Allocated memory was 1.5 GB in the beginning and 3.3 GB in the end (delta: 1.7 GB). Free memory was 1.4 GB in the beginning and 3.0 GB in the end (delta: -1.5 GB). Peak memory consumption was 202.3 MB. Max. memory is 7.1 GB. [2018-10-24 19:17:05,403 INFO L168 Benchmark]: CDTParser took 0.48 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. [2018-10-24 19:17:05,404 INFO L168 Benchmark]: CACSL2BoogieTranslator took 739.27 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-10-24 19:17:05,405 INFO L168 Benchmark]: Boogie Procedure Inliner took 190.79 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 729.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -802.9 MB). Peak memory consumption was 19.1 MB. Max. memory is 7.1 GB. [2018-10-24 19:17:05,406 INFO L168 Benchmark]: Boogie Preprocessor took 71.44 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 19:17:05,406 INFO L168 Benchmark]: RCFGBuilder took 3724.45 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: 105.7 MB). Peak memory consumption was 105.7 MB. Max. memory is 7.1 GB. [2018-10-24 19:17:05,407 INFO L168 Benchmark]: TraceAbstraction took 253693.67 ms. Allocated memory was 2.3 GB in the beginning and 3.3 GB in the end (delta: 1.0 GB). Free memory was 2.1 GB in the beginning and 3.0 GB in the end (delta: -885.0 MB). Peak memory consumption was 127.4 MB. Max. memory is 7.1 GB. [2018-10-24 19:17:05,415 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 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 739.27 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 190.79 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 729.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -802.9 MB). Peak memory consumption was 19.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 71.44 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 3724.45 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: 105.7 MB). Peak memory consumption was 105.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 253693.67 ms. Allocated memory was 2.3 GB in the beginning and 3.3 GB in the end (delta: 1.0 GB). Free memory was 2.1 GB in the beginning and 3.0 GB in the end (delta: -885.0 MB). Peak memory consumption was 127.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 524]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 524). Cancelled while BasicCegarLoop was constructing difference of abstraction (1009states) and FLOYD_HOARE automaton (currently 20 states, 24 states before enhancement),while ReachableStatesComputation was computing reachable states (202 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. TIMEOUT Result, 253.6s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 156.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 349 SDtfs, 1298 SDslu, 211 SDs, 0 SdLazy, 2162 SolverSat, 502 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 57.9s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 210 GetRequests, 163 SyntacticMatches, 3 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 305 ImplicationChecksByTransitivity, 75.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1009occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 33.9s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9950279920134675 AbsIntWeakeningRatio, 0.19662921348314608 AbsIntAvgWeakeningVarsNumRemoved, 804.1910112359551 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 10 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 610 NumberOfCodeBlocks, 610 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 606 ConstructedInterpolants, 0 QuantifiedInterpolants, 257768 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 116/118 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown