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/Problem12_label46_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-0fd1304 [2018-10-24 01:19:33,843 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 01:19:33,848 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 01:19:33,860 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 01:19:33,860 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 01:19:33,861 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 01:19:33,862 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 01:19:33,864 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 01:19:33,866 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 01:19:33,867 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 01:19:33,868 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 01:19:33,868 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 01:19:33,869 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 01:19:33,870 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 01:19:33,871 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 01:19:33,872 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 01:19:33,873 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 01:19:33,875 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 01:19:33,880 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 01:19:33,882 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 01:19:33,883 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 01:19:33,884 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 01:19:33,887 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-24 01:19:33,887 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-24 01:19:33,887 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-24 01:19:33,888 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-24 01:19:33,889 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-24 01:19:33,890 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-24 01:19:33,891 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-24 01:19:33,892 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-24 01:19:33,893 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-24 01:19:33,893 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-24 01:19:33,897 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 01:19:33,929 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 01:19:33,930 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 01:19:33,930 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 01:19:33,931 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 01:19:33,931 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 01:19:33,931 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 01:19:33,931 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 01:19:33,931 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 01:19:33,932 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 01:19:33,932 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 01:19:33,932 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 01:19:33,932 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 01:19:33,936 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 01:19:33,936 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 01:19:33,937 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 01:19:33,937 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 01:19:33,937 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 01:19:33,937 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 01:19:33,937 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 01:19:33,938 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 01:19:33,940 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 01:19:33,940 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 01:19:33,940 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 01:19:33,940 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 01:19:33,940 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 01:19:33,941 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 01:19:33,941 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 01:19:33,941 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 01:19:33,941 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 01:19:33,941 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 01:19:33,942 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 01:19:33,942 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 01:19:33,942 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 01:19:33,942 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 01:19:34,005 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 01:19:34,021 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 01:19:34,024 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 01:19:34,025 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 01:19:34,025 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 01:19:34,026 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem12_label46_true-unreach-call.c [2018-10-24 01:19:34,085 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/036d6d6c3/4fc22a1861654309adb2e50030ec0be0/FLAG93d6b7368 [2018-10-24 01:19:34,811 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 01:19:34,812 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem12_label46_true-unreach-call.c [2018-10-24 01:19:34,841 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/036d6d6c3/4fc22a1861654309adb2e50030ec0be0/FLAG93d6b7368 [2018-10-24 01:19:34,858 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/036d6d6c3/4fc22a1861654309adb2e50030ec0be0 [2018-10-24 01:19:34,871 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 01:19:34,872 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 01:19:34,873 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 01:19:34,874 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 01:19:34,878 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 01:19:34,879 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:19:34" (1/1) ... [2018-10-24 01:19:34,883 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37d2ecf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:19:34, skipping insertion in model container [2018-10-24 01:19:34,883 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:19:34" (1/1) ... [2018-10-24 01:19:34,895 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 01:19:35,053 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 01:19:36,314 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 01:19:36,320 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 01:19:36,921 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 01:19:36,953 INFO L193 MainTranslator]: Completed translation [2018-10-24 01:19:36,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:19:36 WrapperNode [2018-10-24 01:19:36,954 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 01:19:36,955 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 01:19:36,955 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 01:19:36,955 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 01:19:36,966 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:19:36" (1/1) ... [2018-10-24 01:19:37,017 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:19:36" (1/1) ... [2018-10-24 01:19:37,414 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 01:19:37,415 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 01:19:37,415 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 01:19:37,415 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 01:19:37,426 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:19:36" (1/1) ... [2018-10-24 01:19:37,427 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:19:36" (1/1) ... [2018-10-24 01:19:37,453 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:19:36" (1/1) ... [2018-10-24 01:19:37,453 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:19:36" (1/1) ... [2018-10-24 01:19:37,586 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:19:36" (1/1) ... [2018-10-24 01:19:37,633 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:19:36" (1/1) ... [2018-10-24 01:19:37,680 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:19:36" (1/1) ... [2018-10-24 01:19:37,736 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 01:19:37,737 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 01:19:37,737 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 01:19:37,737 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 01:19:37,738 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:19:36" (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 01:19:37,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 01:19:37,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 01:19:37,807 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-10-24 01:19:37,807 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-10-24 01:19:37,807 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-10-24 01:19:37,807 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-10-24 01:19:37,807 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-24 01:19:37,808 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-24 01:19:37,808 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 01:19:37,808 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 01:19:37,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 01:19:37,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 01:19:37,809 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 01:19:37,810 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 01:19:49,882 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 01:19:49,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:19:49 BoogieIcfgContainer [2018-10-24 01:19:49,883 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 01:19:49,884 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 01:19:49,884 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 01:19:49,887 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 01:19:49,888 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 01:19:34" (1/3) ... [2018-10-24 01:19:49,888 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b1943bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:19:49, skipping insertion in model container [2018-10-24 01:19:49,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:19:36" (2/3) ... [2018-10-24 01:19:49,889 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b1943bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:19:49, skipping insertion in model container [2018-10-24 01:19:49,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:19:49" (3/3) ... [2018-10-24 01:19:49,891 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem12_label46_true-unreach-call.c [2018-10-24 01:19:49,901 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 01:19:49,909 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 01:19:49,926 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 01:19:49,971 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 01:19:49,971 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 01:19:49,972 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 01:19:49,972 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 01:19:49,972 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 01:19:49,972 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 01:19:49,972 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 01:19:49,972 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 01:19:50,009 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states. [2018-10-24 01:19:50,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-24 01:19:50,019 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 01:19:50,020 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] [2018-10-24 01:19:50,023 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 01:19:50,029 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:19:50,029 INFO L82 PathProgramCache]: Analyzing trace with hash 1952423036, now seen corresponding path program 1 times [2018-10-24 01:19:50,032 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 01:19:50,091 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:19:50,091 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 01:19:50,091 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:19:50,091 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 01:19:50,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 01:19:50,570 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 01:19:50,572 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 01:19:50,573 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 01:19:50,573 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 01:19:50,579 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 01:19:50,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 01:19:50,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 01:19:50,602 INFO L87 Difference]: Start difference. First operand 840 states. Second operand 4 states. [2018-10-24 01:20:02,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 01:20:02,565 INFO L93 Difference]: Finished difference Result 3234 states and 6255 transitions. [2018-10-24 01:20:02,570 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 01:20:02,571 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 68 [2018-10-24 01:20:02,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 01:20:02,622 INFO L225 Difference]: With dead ends: 3234 [2018-10-24 01:20:02,622 INFO L226 Difference]: Without dead ends: 2388 [2018-10-24 01:20:02,638 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 01:20:02,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2388 states. [2018-10-24 01:20:02,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2388 to 2388. [2018-10-24 01:20:02,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2388 states. [2018-10-24 01:20:02,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2388 states to 2388 states and 4022 transitions. [2018-10-24 01:20:02,820 INFO L78 Accepts]: Start accepts. Automaton has 2388 states and 4022 transitions. Word has length 68 [2018-10-24 01:20:02,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 01:20:02,821 INFO L481 AbstractCegarLoop]: Abstraction has 2388 states and 4022 transitions. [2018-10-24 01:20:02,821 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 01:20:02,821 INFO L276 IsEmpty]: Start isEmpty. Operand 2388 states and 4022 transitions. [2018-10-24 01:20:02,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-10-24 01:20:02,836 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 01:20:02,836 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, 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] [2018-10-24 01:20:02,837 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 01:20:02,837 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:20:02,837 INFO L82 PathProgramCache]: Analyzing trace with hash 43116078, now seen corresponding path program 1 times [2018-10-24 01:20:02,837 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 01:20:02,839 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:20:02,839 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 01:20:02,840 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:20:02,840 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 01:20:02,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 01:20:03,257 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 01:20:03,258 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 01:20:03,258 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 01:20:03,258 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 01:20:03,260 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 01:20:03,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 01:20:03,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 01:20:03,261 INFO L87 Difference]: Start difference. First operand 2388 states and 4022 transitions. Second operand 6 states. [2018-10-24 01:20:17,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 01:20:17,128 INFO L93 Difference]: Finished difference Result 9453 states and 16261 transitions. [2018-10-24 01:20:17,131 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 01:20:17,131 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 168 [2018-10-24 01:20:17,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 01:20:17,182 INFO L225 Difference]: With dead ends: 9453 [2018-10-24 01:20:17,182 INFO L226 Difference]: Without dead ends: 7071 [2018-10-24 01:20:17,195 INFO L605 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 [2018-10-24 01:20:17,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7071 states. [2018-10-24 01:20:17,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7071 to 7023. [2018-10-24 01:20:17,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7023 states. [2018-10-24 01:20:17,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7023 states to 7023 states and 10536 transitions. [2018-10-24 01:20:17,420 INFO L78 Accepts]: Start accepts. Automaton has 7023 states and 10536 transitions. Word has length 168 [2018-10-24 01:20:17,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 01:20:17,420 INFO L481 AbstractCegarLoop]: Abstraction has 7023 states and 10536 transitions. [2018-10-24 01:20:17,421 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 01:20:17,421 INFO L276 IsEmpty]: Start isEmpty. Operand 7023 states and 10536 transitions. [2018-10-24 01:20:17,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-10-24 01:20:17,430 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 01:20:17,430 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, 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] [2018-10-24 01:20:17,431 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 01:20:17,431 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:20:17,431 INFO L82 PathProgramCache]: Analyzing trace with hash -1020213398, now seen corresponding path program 1 times [2018-10-24 01:20:17,431 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 01:20:17,432 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:20:17,432 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 01:20:17,433 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:20:17,433 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 01:20:17,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 01:20:17,711 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 01:20:17,711 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 01:20:17,712 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 01:20:17,712 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 01:20:17,713 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 01:20:17,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 01:20:17,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 01:20:17,713 INFO L87 Difference]: Start difference. First operand 7023 states and 10536 transitions. Second operand 4 states. [2018-10-24 01:20:29,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 01:20:29,457 INFO L93 Difference]: Finished difference Result 27807 states and 43318 transitions. [2018-10-24 01:20:29,460 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 01:20:29,460 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 218 [2018-10-24 01:20:29,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 01:20:29,572 INFO L225 Difference]: With dead ends: 27807 [2018-10-24 01:20:29,573 INFO L226 Difference]: Without dead ends: 20790 [2018-10-24 01:20:29,615 INFO L605 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 [2018-10-24 01:20:29,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20790 states. [2018-10-24 01:20:30,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20790 to 20790. [2018-10-24 01:20:30,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20790 states. [2018-10-24 01:20:30,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20790 states to 20790 states and 31070 transitions. [2018-10-24 01:20:30,127 INFO L78 Accepts]: Start accepts. Automaton has 20790 states and 31070 transitions. Word has length 218 [2018-10-24 01:20:30,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 01:20:30,128 INFO L481 AbstractCegarLoop]: Abstraction has 20790 states and 31070 transitions. [2018-10-24 01:20:30,128 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 01:20:30,128 INFO L276 IsEmpty]: Start isEmpty. Operand 20790 states and 31070 transitions. [2018-10-24 01:20:30,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2018-10-24 01:20:30,163 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 01:20:30,163 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, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:20:30,164 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 01:20:30,164 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:20:30,164 INFO L82 PathProgramCache]: Analyzing trace with hash 1511512600, now seen corresponding path program 1 times [2018-10-24 01:20:30,164 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 01:20:30,166 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:20:30,166 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 01:20:30,166 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:20:30,166 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 01:20:30,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 01:20:30,588 WARN L179 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 01:20:30,870 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2018-10-24 01:20:30,870 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 01:20:30,870 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 01:20:30,871 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 337 with the following transitions: [2018-10-24 01:20:30,874 INFO L202 CegarAbsIntRunner]: [0], [1], [1868], [1875], [1883], [1891], [1899], [1907], [1915], [1923], [1931], [1939], [1947], [1955], [1963], [1971], [1979], [1987], [1995], [2003], [2011], [2019], [2027], [2035], [2043], [2051], [2059], [2067], [2075], [2083], [2091], [2099], [2107], [2115], [2123], [2131], [2139], [2147], [2155], [2163], [2171], [2179], [2187], [2195], [2203], [2211], [2219], [2227], [2235], [2243], [2251], [2259], [2267], [2275], [2283], [2291], [2299], [2307], [2311], [2313], [2316], [2324], [2332], [2340], [2348], [2356], [2361], [2365], [2369], [2373], [2377], [2381], [2385], [2389], [2393], [2397], [2401], [2405], [2409], [2413], [2417], [2421], [2425], [2429], [2433], [2437], [2441], [2445], [2449], [2453], [2457], [2461], [2465], [2469], [2473], [2477], [2481], [2485], [2489], [2493], [2497], [2501], [2505], [2509], [2513], [2517], [2521], [2525], [2529], [2533], [2537], [2541], [2545], [2549], [2552], [2553], [2557], [2561], [2565], [2569], [2573], [2577], [2581], [2585], [2589], [2593], [2597], [2601], [2605], [2609], [2613], [2617], [2621], [2625], [2629], [2633], [2637], [2641], [2645], [2649], [2653], [2657], [2661], [2665], [2669], [2673], [2677], [2680], [3240], [3244], [3248], [3254], [3258], [3260], [3271], [3272], [3273], [3275], [3276] [2018-10-24 01:20:30,961 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 01:20:30,961 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 01:20:36,217 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-24 01:21:21,700 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 01:21:21,702 INFO L272 AbstractInterpreter]: Visited 158 different actions 775 times. Merged at 7 different actions 29 times. Never widened. Found 5 fixpoints after 2 different actions. Largest state had 26 variables. [2018-10-24 01:21:21,736 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:21:21,737 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 01:21:27,869 INFO L232 lantSequenceWeakener]: Weakened 18 states. On average, predicates are now at 80.32% of their original sizes. [2018-10-24 01:21:27,869 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 01:22:13,875 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 01:22:13,876 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 01:22:13,876 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [4] total 21 [2018-10-24 01:22:13,877 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 01:22:13,877 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-10-24 01:22:13,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-10-24 01:22:13,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2018-10-24 01:22:13,878 INFO L87 Difference]: Start difference. First operand 20790 states and 31070 transitions. Second operand 19 states. Received shutdown request... [2018-10-24 01:23:37,130 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-24 01:23:37,130 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 01:23:37,134 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 01:23:37,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 01:23:37 BoogieIcfgContainer [2018-10-24 01:23:37,135 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 01:23:37,136 INFO L168 Benchmark]: Toolchain (without parser) took 242264.42 ms. Allocated memory was 1.5 GB in the beginning and 4.3 GB in the end (delta: 2.7 GB). Free memory was 1.4 GB in the beginning and 1.9 GB in the end (delta: -520.0 MB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. [2018-10-24 01:23:37,137 INFO L168 Benchmark]: CDTParser took 0.15 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 01:23:37,137 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2080.67 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: 203.5 MB). Peak memory consumption was 203.5 MB. Max. memory is 7.1 GB. [2018-10-24 01:23:37,138 INFO L168 Benchmark]: Boogie Procedure Inliner took 459.77 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 816.3 MB). Free memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 68.8 MB. Max. memory is 7.1 GB. [2018-10-24 01:23:37,139 INFO L168 Benchmark]: Boogie Preprocessor took 321.58 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 35.8 MB). Peak memory consumption was 35.8 MB. Max. memory is 7.1 GB. [2018-10-24 01:23:37,140 INFO L168 Benchmark]: RCFGBuilder took 12146.41 ms. Allocated memory was 2.4 GB in the beginning and 2.5 GB in the end (delta: 159.9 MB). Free memory was 2.2 GB in the beginning and 2.4 GB in the end (delta: -159.5 MB). Peak memory consumption was 662.3 MB. Max. memory is 7.1 GB. [2018-10-24 01:23:37,141 INFO L168 Benchmark]: TraceAbstraction took 227251.13 ms. Allocated memory was 2.5 GB in the beginning and 4.3 GB in the end (delta: 1.8 GB). Free memory was 2.4 GB in the beginning and 1.9 GB in the end (delta: 458.2 MB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. [2018-10-24 01:23:37,147 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 2080.67 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: 203.5 MB). Peak memory consumption was 203.5 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 459.77 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 816.3 MB). Free memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 68.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 321.58 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 35.8 MB). Peak memory consumption was 35.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 12146.41 ms. Allocated memory was 2.4 GB in the beginning and 2.5 GB in the end (delta: 159.9 MB). Free memory was 2.2 GB in the beginning and 2.4 GB in the end (delta: -159.5 MB). Peak memory consumption was 662.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 227251.13 ms. Allocated memory was 2.5 GB in the beginning and 4.3 GB in the end (delta: 1.8 GB). Free memory was 2.4 GB in the beginning and 1.9 GB in the end (delta: 458.2 MB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 195]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 195). Cancelled while BasicCegarLoop was constructing difference of abstraction (20790states) and FLOYD_HOARE automaton (currently 10 states, 19 states before enhancement),while ReachableStatesComputation was computing reachable states (386 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 840 locations, 1 error locations. TIMEOUT Result, 227.1s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 121.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 941 SDtfs, 9670 SDslu, 389 SDs, 0 SdLazy, 15155 SolverSat, 5783 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 51.5s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 362 GetRequests, 305 SyntacticMatches, 23 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 49.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20790occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 50.8s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9966383467278986 AbsIntWeakeningRatio, 0.08059701492537313 AbsIntAvgWeakeningVarsNumRemoved, 136.2089552238806 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 3 MinimizatonAttempts, 48 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 790 NumberOfCodeBlocks, 790 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 786 ConstructedInterpolants, 0 QuantifiedInterpolants, 599741 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 248/362 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown