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-EXP.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem12_label42_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 23:32:57,810 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 23:32:57,813 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 23:32:57,827 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 23:32:57,827 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 23:32:57,828 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 23:32:57,829 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 23:32:57,831 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 23:32:57,833 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 23:32:57,833 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 23:32:57,834 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 23:32:57,835 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 23:32:57,835 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 23:32:57,836 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 23:32:57,838 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 23:32:57,838 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 23:32:57,839 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 23:32:57,841 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 23:32:57,843 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 23:32:57,844 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 23:32:57,845 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 23:32:57,847 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 23:32:57,849 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-24 23:32:57,849 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-24 23:32:57,850 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-24 23:32:57,851 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-24 23:32:57,852 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-24 23:32:57,852 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-24 23:32:57,853 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-24 23:32:57,854 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-24 23:32:57,855 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-24 23:32:57,855 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-24 23:32:57,858 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf [2018-10-24 23:32:57,873 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 23:32:57,873 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 23:32:57,874 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 23:32:57,874 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 23:32:57,875 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 23:32:57,875 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 23:32:57,875 INFO L133 SettingsManager]: * Explicit value domain=true [2018-10-24 23:32:57,875 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 23:32:57,875 INFO L133 SettingsManager]: * Octagon Domain=false [2018-10-24 23:32:57,876 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 23:32:57,876 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 23:32:57,876 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 23:32:57,876 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 23:32:57,876 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 23:32:57,877 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 23:32:57,877 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 23:32:57,877 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 23:32:57,878 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 23:32:57,878 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 23:32:57,878 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 23:32:57,878 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 23:32:57,878 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 23:32:57,879 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 23:32:57,879 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 23:32:57,879 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 23:32:57,879 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 23:32:57,879 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 23:32:57,880 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 23:32:57,880 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 23:32:57,880 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 23:32:57,880 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 23:32:57,880 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 23:32:57,881 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 23:32:57,881 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 23:32:57,881 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 23:32:57,881 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 23:32:57,924 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 23:32:57,937 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 23:32:57,941 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 23:32:57,943 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 23:32:57,943 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 23:32:57,944 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem12_label42_false-unreach-call.c [2018-10-24 23:32:58,004 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/ea3398f07/f84f3d32e3e54ce3b8bbfddf7fa7469b/FLAG7b8cde6e3 [2018-10-24 23:32:58,773 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 23:32:58,774 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem12_label42_false-unreach-call.c [2018-10-24 23:32:58,802 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/ea3398f07/f84f3d32e3e54ce3b8bbfddf7fa7469b/FLAG7b8cde6e3 [2018-10-24 23:32:58,818 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/ea3398f07/f84f3d32e3e54ce3b8bbfddf7fa7469b [2018-10-24 23:32:58,830 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 23:32:58,832 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 23:32:58,833 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 23:32:58,833 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 23:32:58,837 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 23:32:58,839 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:32:58" (1/1) ... [2018-10-24 23:32:58,842 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7670273 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:32:58, skipping insertion in model container [2018-10-24 23:32:58,842 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:32:58" (1/1) ... [2018-10-24 23:32:58,853 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 23:32:59,014 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 23:33:00,338 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 23:33:00,344 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 23:33:00,964 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 23:33:00,996 INFO L193 MainTranslator]: Completed translation [2018-10-24 23:33:00,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:33:00 WrapperNode [2018-10-24 23:33:00,996 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 23:33:00,997 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 23:33:00,997 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 23:33:00,997 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 23:33:01,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:33:00" (1/1) ... [2018-10-24 23:33:01,067 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:33:00" (1/1) ... [2018-10-24 23:33:01,562 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 23:33:01,562 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 23:33:01,562 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 23:33:01,562 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 23:33:01,577 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:33:00" (1/1) ... [2018-10-24 23:33:01,577 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:33:00" (1/1) ... [2018-10-24 23:33:01,614 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:33:00" (1/1) ... [2018-10-24 23:33:01,614 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:33:00" (1/1) ... [2018-10-24 23:33:01,754 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:33:00" (1/1) ... [2018-10-24 23:33:01,797 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:33:00" (1/1) ... [2018-10-24 23:33:01,856 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:33:00" (1/1) ... [2018-10-24 23:33:01,921 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 23:33:01,922 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 23:33:01,922 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 23:33:01,923 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 23:33:01,923 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:33:00" (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 23:33:01,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 23:33:01,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 23:33:01,995 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-10-24 23:33:01,995 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-10-24 23:33:01,995 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-10-24 23:33:01,997 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-10-24 23:33:01,997 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-24 23:33:01,998 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-24 23:33:01,998 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 23:33:01,998 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 23:33:01,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 23:33:01,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 23:33:01,999 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 23:33:02,000 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 23:33:14,903 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 23:33:14,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:33:14 BoogieIcfgContainer [2018-10-24 23:33:14,904 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 23:33:14,905 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 23:33:14,905 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 23:33:14,908 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 23:33:14,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:32:58" (1/3) ... [2018-10-24 23:33:14,909 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b689e21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:33:14, skipping insertion in model container [2018-10-24 23:33:14,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:33:00" (2/3) ... [2018-10-24 23:33:14,910 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b689e21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:33:14, skipping insertion in model container [2018-10-24 23:33:14,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:33:14" (3/3) ... [2018-10-24 23:33:14,912 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem12_label42_false-unreach-call.c [2018-10-24 23:33:14,922 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 23:33:14,932 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 23:33:14,950 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 23:33:14,997 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 23:33:14,998 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 23:33:14,998 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 23:33:14,998 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 23:33:14,998 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 23:33:14,998 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 23:33:14,999 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 23:33:14,999 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 23:33:15,040 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states. [2018-10-24 23:33:15,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-24 23:33:15,050 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 23:33:15,051 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] [2018-10-24 23:33:15,054 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 23:33:15,061 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:33:15,061 INFO L82 PathProgramCache]: Analyzing trace with hash -206959357, now seen corresponding path program 1 times [2018-10-24 23:33:15,064 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 23:33:15,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:33:15,123 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 23:33:15,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:33:15,123 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 23:33:15,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 23:33:15,532 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 23:33:15,539 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 23:33:15,540 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 23:33:15,540 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 23:33:15,548 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 23:33:15,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 23:33:15,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 23:33:15,570 INFO L87 Difference]: Start difference. First operand 840 states. Second operand 4 states. [2018-10-24 23:33:29,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 23:33:29,732 INFO L93 Difference]: Finished difference Result 3234 states and 6255 transitions. [2018-10-24 23:33:29,736 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 23:33:29,738 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2018-10-24 23:33:29,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 23:33:29,780 INFO L225 Difference]: With dead ends: 3234 [2018-10-24 23:33:29,780 INFO L226 Difference]: Without dead ends: 2388 [2018-10-24 23:33:29,790 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 23:33:29,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2388 states. [2018-10-24 23:33:29,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2388 to 2388. [2018-10-24 23:33:29,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2388 states. [2018-10-24 23:33:29,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2388 states to 2388 states and 3845 transitions. [2018-10-24 23:33:29,968 INFO L78 Accepts]: Start accepts. Automaton has 2388 states and 3845 transitions. Word has length 33 [2018-10-24 23:33:29,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 23:33:29,969 INFO L481 AbstractCegarLoop]: Abstraction has 2388 states and 3845 transitions. [2018-10-24 23:33:29,969 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 23:33:29,969 INFO L276 IsEmpty]: Start isEmpty. Operand 2388 states and 3845 transitions. [2018-10-24 23:33:29,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-10-24 23:33:29,977 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 23:33:29,977 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:33:29,978 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 23:33:29,978 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:33:29,978 INFO L82 PathProgramCache]: Analyzing trace with hash -1266626407, now seen corresponding path program 1 times [2018-10-24 23:33:29,978 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 23:33:29,979 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:33:29,980 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 23:33:29,980 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:33:29,980 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 23:33:30,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 23:33:30,376 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 23:33:30,376 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 23:33:30,376 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 23:33:30,376 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 23:33:30,378 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 23:33:30,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 23:33:30,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 23:33:30,379 INFO L87 Difference]: Start difference. First operand 2388 states and 3845 transitions. Second operand 6 states. [2018-10-24 23:33:46,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 23:33:46,820 INFO L93 Difference]: Finished difference Result 9463 states and 15573 transitions. [2018-10-24 23:33:46,821 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 23:33:46,821 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 114 [2018-10-24 23:33:46,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 23:33:46,867 INFO L225 Difference]: With dead ends: 9463 [2018-10-24 23:33:46,867 INFO L226 Difference]: Without dead ends: 7081 [2018-10-24 23:33:46,880 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-24 23:33:46,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7081 states. [2018-10-24 23:33:47,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7081 to 7037. [2018-10-24 23:33:47,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7037 states. [2018-10-24 23:33:47,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7037 states to 7037 states and 10229 transitions. [2018-10-24 23:33:47,086 INFO L78 Accepts]: Start accepts. Automaton has 7037 states and 10229 transitions. Word has length 114 [2018-10-24 23:33:47,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 23:33:47,087 INFO L481 AbstractCegarLoop]: Abstraction has 7037 states and 10229 transitions. [2018-10-24 23:33:47,087 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 23:33:47,087 INFO L276 IsEmpty]: Start isEmpty. Operand 7037 states and 10229 transitions. [2018-10-24 23:33:47,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-10-24 23:33:47,097 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 23:33:47,097 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:33:47,097 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 23:33:47,098 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:33:47,098 INFO L82 PathProgramCache]: Analyzing trace with hash 1753618293, now seen corresponding path program 1 times [2018-10-24 23:33:47,098 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 23:33:47,099 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:33:47,099 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 23:33:47,100 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:33:47,100 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 23:33:47,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 23:33:47,402 WARN L179 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 23:33:47,447 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 23:33:47,448 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 23:33:47,448 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 23:33:47,448 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 23:33:47,449 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 23:33:47,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 23:33:47,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 23:33:47,450 INFO L87 Difference]: Start difference. First operand 7037 states and 10229 transitions. Second operand 6 states. [2018-10-24 23:33:55,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 23:33:55,191 INFO L93 Difference]: Finished difference Result 19057 states and 29212 transitions. [2018-10-24 23:33:55,194 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 23:33:55,194 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 144 [2018-10-24 23:33:55,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 23:33:55,259 INFO L225 Difference]: With dead ends: 19057 [2018-10-24 23:33:55,259 INFO L226 Difference]: Without dead ends: 12026 [2018-10-24 23:33:55,283 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-24 23:33:55,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12026 states. [2018-10-24 23:33:55,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12026 to 11931. [2018-10-24 23:33:55,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11931 states. [2018-10-24 23:33:55,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11931 states to 11931 states and 17450 transitions. [2018-10-24 23:33:55,614 INFO L78 Accepts]: Start accepts. Automaton has 11931 states and 17450 transitions. Word has length 144 [2018-10-24 23:33:55,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 23:33:55,615 INFO L481 AbstractCegarLoop]: Abstraction has 11931 states and 17450 transitions. [2018-10-24 23:33:55,615 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 23:33:55,615 INFO L276 IsEmpty]: Start isEmpty. Operand 11931 states and 17450 transitions. [2018-10-24 23:33:55,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-10-24 23:33:55,620 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 23:33:55,621 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:33:55,624 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 23:33:55,624 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:33:55,624 INFO L82 PathProgramCache]: Analyzing trace with hash -988321524, now seen corresponding path program 1 times [2018-10-24 23:33:55,625 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 23:33:55,625 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:33:55,626 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 23:33:55,626 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:33:55,626 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 23:33:55,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 23:33:55,904 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 23:33:55,905 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 23:33:55,905 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 23:33:55,905 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 23:33:55,906 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 23:33:55,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 23:33:55,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 23:33:55,907 INFO L87 Difference]: Start difference. First operand 11931 states and 17450 transitions. Second operand 6 states. [2018-10-24 23:34:12,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 23:34:12,859 INFO L93 Difference]: Finished difference Result 37661 states and 58072 transitions. [2018-10-24 23:34:12,863 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 23:34:12,863 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 147 [2018-10-24 23:34:12,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 23:34:12,998 INFO L225 Difference]: With dead ends: 37661 [2018-10-24 23:34:12,999 INFO L226 Difference]: Without dead ends: 25736 [2018-10-24 23:34:13,066 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-24 23:34:13,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25736 states. [2018-10-24 23:34:13,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25736 to 25635. [2018-10-24 23:34:13,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25635 states. [2018-10-24 23:34:13,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25635 states to 25635 states and 38010 transitions. [2018-10-24 23:34:13,958 INFO L78 Accepts]: Start accepts. Automaton has 25635 states and 38010 transitions. Word has length 147 [2018-10-24 23:34:13,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 23:34:13,959 INFO L481 AbstractCegarLoop]: Abstraction has 25635 states and 38010 transitions. [2018-10-24 23:34:13,959 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 23:34:13,959 INFO L276 IsEmpty]: Start isEmpty. Operand 25635 states and 38010 transitions. [2018-10-24 23:34:13,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-10-24 23:34:13,966 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 23:34:13,966 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:34:13,967 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 23:34:13,970 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:34:13,970 INFO L82 PathProgramCache]: Analyzing trace with hash 649593825, now seen corresponding path program 1 times [2018-10-24 23:34:13,970 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 23:34:13,971 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:34:13,971 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 23:34:13,971 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:34:13,971 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 23:34:14,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 23:34:14,202 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 23:34:14,203 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 23:34:14,203 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 23:34:14,203 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 23:34:14,204 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 23:34:14,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 23:34:14,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 23:34:14,204 INFO L87 Difference]: Start difference. First operand 25635 states and 38010 transitions. Second operand 4 states. [2018-10-24 23:34:29,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 23:34:29,155 INFO L93 Difference]: Finished difference Result 76817 states and 117652 transitions. [2018-10-24 23:34:29,158 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 23:34:29,159 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 182 [2018-10-24 23:34:29,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 23:34:29,355 INFO L225 Difference]: With dead ends: 76817 [2018-10-24 23:34:29,355 INFO L226 Difference]: Without dead ends: 51188 [2018-10-24 23:34:29,810 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 23:34:29,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51188 states. [2018-10-24 23:34:30,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51188 to 51178. [2018-10-24 23:34:30,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51178 states. [2018-10-24 23:34:30,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51178 states to 51178 states and 71067 transitions. [2018-10-24 23:34:30,824 INFO L78 Accepts]: Start accepts. Automaton has 51178 states and 71067 transitions. Word has length 182 [2018-10-24 23:34:30,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 23:34:30,824 INFO L481 AbstractCegarLoop]: Abstraction has 51178 states and 71067 transitions. [2018-10-24 23:34:30,824 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 23:34:30,825 INFO L276 IsEmpty]: Start isEmpty. Operand 51178 states and 71067 transitions. [2018-10-24 23:34:30,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-10-24 23:34:30,844 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 23:34:30,845 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-24 23:34:30,845 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 23:34:30,845 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:34:30,845 INFO L82 PathProgramCache]: Analyzing trace with hash 1136426607, now seen corresponding path program 1 times [2018-10-24 23:34:30,846 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 23:34:30,846 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:34:30,847 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 23:34:30,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:34:30,847 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 23:34:30,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 23:34:31,226 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 52 proven. 100 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-24 23:34:31,227 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 23:34:31,227 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 23:34:31,228 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 250 with the following transitions: [2018-10-24 23:34:31,232 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], [2031], [2033], [2036], [2044], [2052], [2060], [2068], [2076], [2084], [2092], [2100], [2108], [2116], [2124], [2132], [2140], [2148], [2156], [2164], [2172], [2180], [2188], [2196], [2204], [2212], [2220], [2228], [2236], [2244], [2252], [2260], [2268], [2276], [2284], [2292], [2300], [2308], [2316], [2324], [2332], [2340], [2348], [2356], [2361], [2365], [2369], [2373], [2377], [2381], [2385], [2389], [2393], [2397], [2401], [2405], [2409], [2413], [2417], [2421], [2425], [2429], [2433], [2437], [2441], [2445], [2449], [2453], [2457], [2461], [2465], [2469], [2473], [2477], [2481], [2485], [2489], [2493], [2497], [2500], [2501], [2505], [2509], [2513], [2517], [2521], [2524], [3240], [3244], [3248], [3254], [3258], [3260], [3271], [3272], [3273], [3275], [3276] [2018-10-24 23:34:31,315 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-24 23:34:31,316 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 23:34:35,702 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 23:34:35,704 INFO L272 AbstractInterpreter]: Visited 116 different actions 116 times. Never merged. Never widened. Never found a fixpoint. Largest state had 26 variables. [2018-10-24 23:34:35,717 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:34:35,717 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 23:34:40,609 INFO L232 lantSequenceWeakener]: Weakened 240 states. On average, predicates are now at 75.23% of their original sizes. [2018-10-24 23:34:40,610 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 23:34:40,870 INFO L413 sIntCurrentIteration]: We have 248 unified AI predicates [2018-10-24 23:34:40,871 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 23:34:40,872 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 23:34:40,872 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2018-10-24 23:34:40,872 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 23:34:40,873 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 23:34:40,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 23:34:40,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 23:34:40,874 INFO L87 Difference]: Start difference. First operand 51178 states and 71067 transitions. Second operand 6 states. [2018-10-24 23:34:43,337 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-24 23:34:43,338 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.ArithmeticException: BigInteger: modulus not positive at java.math.BigInteger.mod(BigInteger.java:2458) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.explicit.ExplicitValueValue.modulo(ExplicitValueValue.java:154) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.explicit.ExplicitValueValue.modulo(ExplicitValueValue.java:1) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.evaluator.BinaryExpressionEvaluator.evaluate(BinaryExpressionEvaluator.java:125) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.evaluator.BinaryExpressionEvaluator.evaluate(BinaryExpressionEvaluator.java:100) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.evaluator.BinaryExpressionEvaluator.evaluate(BinaryExpressionEvaluator.java:92) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.evaluator.BinaryExpressionEvaluator.evaluate(BinaryExpressionEvaluator.java:92) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.evaluator.BinaryExpressionEvaluator.evaluate(BinaryExpressionEvaluator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.evaluator.ConditionalEvaluator.evaluate(ConditionalEvaluator.java:78) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.evaluator.ConditionalEvaluator.evaluate(ConditionalEvaluator.java:1) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.evaluator.BinaryExpressionEvaluator.evaluate(BinaryExpressionEvaluator.java:92) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.evaluator.BinaryExpressionEvaluator.evaluate(BinaryExpressionEvaluator.java:92) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.evaluator.BinaryExpressionEvaluator.evaluate(BinaryExpressionEvaluator.java:92) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.evaluator.BinaryExpressionEvaluator.evaluate(BinaryExpressionEvaluator.java:92) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.evaluator.ConditionalEvaluator.evaluate(ConditionalEvaluator.java:78) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.evaluator.ConditionalEvaluator.evaluate(ConditionalEvaluator.java:1) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.evaluator.BinaryExpressionEvaluator.evaluate(BinaryExpressionEvaluator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.handleAssumeStatement(NonrelationalStatementProcessor.java:363) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.processStatement(NonrelationalStatementProcessor.java:160) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.process(NonrelationalStatementProcessor.java:142) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.process(NonrelationalStatementProcessor.java:128) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalPostOperator.handleInternalTransition(NonrelationalPostOperator.java:362) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalPostOperator.handleInternalTransition(NonrelationalPostOperator.java:353) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalPostOperator.apply(NonrelationalPostOperator.java:125) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalPostOperator.apply(NonrelationalPostOperator.java:1) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.compound.CompoundDomainPostOperator.applyInternally(CompoundDomainPostOperator.java:306) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.compound.CompoundDomainPostOperator.apply(CompoundDomainPostOperator.java:131) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.compound.CompoundDomainPostOperator.apply(CompoundDomainPostOperator.java:1) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.TermConjunctEvaluator.applyPost(TermConjunctEvaluator.java:305) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.TermConjunctEvaluator.lambda$4(TermConjunctEvaluator.java:178) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.TermConjunctEvaluator.computeFixpoint(TermConjunctEvaluator.java:198) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.TermConjunctEvaluator.lambda$1(TermConjunctEvaluator.java:150) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.TermConjunctEvaluator.computePost(TermConjunctEvaluator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormanCachedPostOperation.applyPost(PoormanCachedPostOperation.java:308) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormansAbstractPostOperator.applyPost(PoormansAbstractPostOperator.java:217) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormansAbstractPostOperator.apply(PoormansAbstractPostOperator.java:119) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormansAbstractPostOperator.apply(PoormansAbstractPostOperator.java:1) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.absint.DisjunctiveAbstractState.lambda$17(DisjunctiveAbstractState.java:369) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.absint.DisjunctiveAbstractState.mapCollection(DisjunctiveAbstractState.java:537) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.absint.DisjunctiveAbstractState.apply(DisjunctiveAbstractState.java:369) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.AbsIntHoareTripleChecker.checkInternalTransitionWithValidState(AbsIntHoareTripleChecker.java:352) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.AbsIntHoareTripleChecker.checkInternalAbsInt(AbsIntHoareTripleChecker.java:249) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.AbsIntHoareTripleChecker.checkInternal(AbsIntHoareTripleChecker.java:181) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.CachingHoareTripleChecker.checkInternal(CachingHoareTripleChecker.java:98) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton$InternalSuccessorComputationHelper.computeSuccWithSolver(AbstractInterpolantAutomaton.java:359) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.chooseFalseSuccessor2(BasicAbstractInterpolantAutomaton.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:72) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:234) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:213) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.internalSuccessors(ComplementDeterministicNwa.java:121) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:216) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:208) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addInternalsAndSuccessors(NestedWordAutomatonReachableStates.java:1066) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:968) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:188) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeAutomataDifference(BasicCegarLoop.java:673) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.refineAbstraction(BasicCegarLoop.java:602) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:473) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-10-24 23:34:43,352 INFO L168 Benchmark]: Toolchain (without parser) took 104520.31 ms. Allocated memory was 1.5 GB in the beginning and 3.8 GB in the end (delta: 2.3 GB). Free memory was 1.4 GB in the beginning and 2.8 GB in the end (delta: -1.4 GB). Peak memory consumption was 904.1 MB. Max. memory is 7.1 GB. [2018-10-24 23:34:43,353 INFO L168 Benchmark]: CDTParser took 0.20 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 23:34:43,354 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2163.57 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: 200.8 MB). Peak memory consumption was 200.8 MB. Max. memory is 7.1 GB. [2018-10-24 23:34:43,355 INFO L168 Benchmark]: Boogie Procedure Inliner took 564.72 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 837.3 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 68.9 MB. Max. memory is 7.1 GB. [2018-10-24 23:34:43,358 INFO L168 Benchmark]: Boogie Preprocessor took 359.15 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: 36.4 MB). Peak memory consumption was 36.4 MB. Max. memory is 7.1 GB. [2018-10-24 23:34:43,362 INFO L168 Benchmark]: RCFGBuilder took 12982.21 ms. Allocated memory was 2.4 GB in the beginning and 2.5 GB in the end (delta: 162.0 MB). Free memory was 2.3 GB in the beginning and 2.4 GB in the end (delta: -177.4 MB). Peak memory consumption was 673.5 MB. Max. memory is 7.1 GB. [2018-10-24 23:34:43,363 INFO L168 Benchmark]: TraceAbstraction took 88445.20 ms. Allocated memory was 2.5 GB in the beginning and 3.8 GB in the end (delta: 1.3 GB). Free memory was 2.4 GB in the beginning and 2.8 GB in the end (delta: -346.6 MB). Peak memory consumption was 923.2 MB. Max. memory is 7.1 GB. [2018-10-24 23:34:43,378 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 2163.57 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: 200.8 MB). Peak memory consumption was 200.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 564.72 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 837.3 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 68.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 359.15 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: 36.4 MB). Peak memory consumption was 36.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 12982.21 ms. Allocated memory was 2.4 GB in the beginning and 2.5 GB in the end (delta: 162.0 MB). Free memory was 2.3 GB in the beginning and 2.4 GB in the end (delta: -177.4 MB). Peak memory consumption was 673.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 88445.20 ms. Allocated memory was 2.5 GB in the beginning and 3.8 GB in the end (delta: 1.3 GB). Free memory was 2.4 GB in the beginning and 2.8 GB in the end (delta: -346.6 MB). Peak memory consumption was 923.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: ArithmeticException: BigInteger: modulus not positive de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: ArithmeticException: BigInteger: modulus not positive: java.math.BigInteger.mod(BigInteger.java:2458) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...