/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--rapidio--rapidio.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 03:30:33,837 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 03:30:33,840 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 03:30:33,859 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 03:30:33,860 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 03:30:33,862 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 03:30:33,864 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 03:30:33,876 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 03:30:33,879 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 03:30:33,880 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 03:30:33,881 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 03:30:33,883 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 03:30:33,884 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 03:30:33,887 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 03:30:33,890 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 03:30:33,892 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 03:30:33,894 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 03:30:33,895 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 03:30:33,897 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 03:30:33,902 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 03:30:33,906 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 03:30:33,910 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 03:30:33,911 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 03:30:33,912 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 03:30:33,915 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 03:30:33,915 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 03:30:33,916 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 03:30:33,917 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 03:30:33,919 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 03:30:33,920 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 03:30:33,920 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 03:30:33,921 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 03:30:33,922 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 03:30:33,922 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 03:30:33,924 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 03:30:33,924 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 03:30:33,925 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 03:30:33,925 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 03:30:33,925 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 03:30:33,927 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 03:30:33,929 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 03:30:33,930 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-24 03:30:33,948 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 03:30:33,949 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 03:30:33,950 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 03:30:33,950 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 03:30:33,950 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 03:30:33,950 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 03:30:33,951 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 03:30:33,951 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 03:30:33,951 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 03:30:33,951 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 03:30:33,951 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 03:30:33,951 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 03:30:33,952 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 03:30:33,952 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 03:30:33,952 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 03:30:33,953 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 03:30:33,953 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 03:30:33,953 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 03:30:33,953 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 03:30:33,953 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 03:30:33,954 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 03:30:33,954 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 03:30:33,954 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 03:30:33,954 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 03:30:33,954 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 03:30:33,954 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 03:30:33,955 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 03:30:33,955 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 03:30:33,955 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 03:30:33,955 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 03:30:33,955 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 03:30:33,956 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 03:30:33,956 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 03:30:33,956 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 03:30:33,956 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 03:30:33,956 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 03:30:33,957 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 03:30:33,957 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 03:30:34,235 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 03:30:34,247 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 03:30:34,251 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 03:30:34,252 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 03:30:34,253 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 03:30:34,253 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--rapidio--rapidio.ko-entry_point.cil.out.i [2019-11-24 03:30:34,328 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66e3fc003/e07b3ccc306044bfa001188d254002c2/FLAGfa8243889 [2019-11-24 03:30:35,120 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 03:30:35,122 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--rapidio--rapidio.ko-entry_point.cil.out.i [2019-11-24 03:30:35,166 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66e3fc003/e07b3ccc306044bfa001188d254002c2/FLAGfa8243889 [2019-11-24 03:30:35,654 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66e3fc003/e07b3ccc306044bfa001188d254002c2 [2019-11-24 03:30:35,663 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 03:30:35,664 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 03:30:35,665 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 03:30:35,665 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 03:30:35,669 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 03:30:35,670 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 03:30:35" (1/1) ... [2019-11-24 03:30:35,673 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59b772b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:30:35, skipping insertion in model container [2019-11-24 03:30:35,673 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 03:30:35" (1/1) ... [2019-11-24 03:30:35,680 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 03:30:35,838 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 03:30:38,333 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 03:30:38,458 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 03:30:39,116 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 03:30:39,720 INFO L208 MainTranslator]: Completed translation [2019-11-24 03:30:39,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:30:39 WrapperNode [2019-11-24 03:30:39,721 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 03:30:39,722 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 03:30:39,722 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 03:30:39,722 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 03:30:39,731 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:30:39" (1/1) ... [2019-11-24 03:30:39,841 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:30:39" (1/1) ... [2019-11-24 03:30:40,235 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 03:30:40,236 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 03:30:40,236 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 03:30:40,236 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 03:30:40,247 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:30:39" (1/1) ... [2019-11-24 03:30:40,247 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:30:39" (1/1) ... [2019-11-24 03:30:40,344 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:30:39" (1/1) ... [2019-11-24 03:30:40,345 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:30:39" (1/1) ... [2019-11-24 03:30:40,582 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:30:39" (1/1) ... [2019-11-24 03:30:40,661 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:30:39" (1/1) ... [2019-11-24 03:30:40,728 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:30:39" (1/1) ... [2019-11-24 03:30:40,796 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 03:30:40,797 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 03:30:40,797 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 03:30:40,797 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 03:30:40,798 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:30:39" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 03:30:40,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 03:30:40,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-24 03:30:40,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-24 03:30:40,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-24 03:30:40,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-24 03:30:40,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-24 03:30:40,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-24 03:30:40,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-24 03:30:40,880 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-11-24 03:30:40,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-24 03:30:40,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 03:30:40,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 03:31:38,617 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 03:31:38,618 INFO L284 CfgBuilder]: Removed 1732 assume(true) statements. [2019-11-24 03:31:38,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 03:31:38 BoogieIcfgContainer [2019-11-24 03:31:38,620 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 03:31:38,621 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-24 03:31:38,621 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-24 03:31:38,624 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-24 03:31:38,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 03:30:35" (1/3) ... [2019-11-24 03:31:38,625 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58acc5c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 03:31:38, skipping insertion in model container [2019-11-24 03:31:38,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:30:39" (2/3) ... [2019-11-24 03:31:38,626 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58acc5c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 03:31:38, skipping insertion in model container [2019-11-24 03:31:38,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 03:31:38" (3/3) ... [2019-11-24 03:31:38,627 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--rapidio--rapidio.ko-entry_point.cil.out.i [2019-11-24 03:31:38,635 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-24 03:31:38,643 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 53 error locations. [2019-11-24 03:31:38,652 INFO L249 AbstractCegarLoop]: Starting to check reachability of 53 error locations. [2019-11-24 03:31:38,683 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-24 03:31:38,684 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-24 03:31:38,684 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-24 03:31:38,684 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-24 03:31:38,684 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-24 03:31:38,684 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-24 03:31:38,684 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-24 03:31:38,684 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-24 03:31:38,720 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states. [2019-11-24 03:31:38,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-24 03:31:38,729 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 03:31:38,730 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 03:31:38,731 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 03:31:38,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 03:31:38,738 INFO L82 PathProgramCache]: Analyzing trace with hash 1540823085, now seen corresponding path program 1 times [2019-11-24 03:31:38,748 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 03:31:38,749 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967395866] [2019-11-24 03:31:38,749 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 03:31:39,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 03:31:39,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 03:31:39,967 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967395866] [2019-11-24 03:31:39,968 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 03:31:39,968 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-24 03:31:39,972 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980829256] [2019-11-24 03:31:39,979 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-24 03:31:39,979 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 03:31:39,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-24 03:31:39,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 03:31:40,000 INFO L87 Difference]: Start difference. First operand 798 states. Second operand 3 states. [2019-11-24 03:31:44,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 03:31:44,326 INFO L93 Difference]: Finished difference Result 2374 states and 3723 transitions. [2019-11-24 03:31:44,326 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-24 03:31:44,328 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2019-11-24 03:31:44,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 03:31:44,355 INFO L225 Difference]: With dead ends: 2374 [2019-11-24 03:31:44,356 INFO L226 Difference]: Without dead ends: 1539 [2019-11-24 03:31:44,363 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 03:31:44,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1539 states. [2019-11-24 03:31:44,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1539 to 1435. [2019-11-24 03:31:44,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1435 states. [2019-11-24 03:31:44,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1435 states to 1435 states and 2238 transitions. [2019-11-24 03:31:44,503 INFO L78 Accepts]: Start accepts. Automaton has 1435 states and 2238 transitions. Word has length 18 [2019-11-24 03:31:44,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 03:31:44,503 INFO L462 AbstractCegarLoop]: Abstraction has 1435 states and 2238 transitions. [2019-11-24 03:31:44,503 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-24 03:31:44,504 INFO L276 IsEmpty]: Start isEmpty. Operand 1435 states and 2238 transitions. [2019-11-24 03:31:44,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-24 03:31:44,509 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 03:31:44,510 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 03:31:44,510 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 03:31:44,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 03:31:44,511 INFO L82 PathProgramCache]: Analyzing trace with hash 1146323521, now seen corresponding path program 1 times [2019-11-24 03:31:44,511 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 03:31:44,512 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143880563] [2019-11-24 03:31:44,512 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 03:31:44,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 03:31:45,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 03:31:45,173 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143880563] [2019-11-24 03:31:45,173 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 03:31:45,173 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-24 03:31:45,174 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318555322] [2019-11-24 03:31:45,176 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-24 03:31:45,177 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 03:31:45,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-24 03:31:45,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 03:31:45,177 INFO L87 Difference]: Start difference. First operand 1435 states and 2238 transitions. Second operand 3 states. [2019-11-24 03:31:47,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 03:31:47,990 INFO L93 Difference]: Finished difference Result 2141 states and 3483 transitions. [2019-11-24 03:31:47,991 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-24 03:31:47,991 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2019-11-24 03:31:47,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 03:31:48,008 INFO L225 Difference]: With dead ends: 2141 [2019-11-24 03:31:48,008 INFO L226 Difference]: Without dead ends: 2138 [2019-11-24 03:31:48,010 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 03:31:48,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2138 states. [2019-11-24 03:31:48,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2138 to 2138. [2019-11-24 03:31:48,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2138 states. [2019-11-24 03:31:48,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2138 states to 2138 states and 3478 transitions. [2019-11-24 03:31:48,113 INFO L78 Accepts]: Start accepts. Automaton has 2138 states and 3478 transitions. Word has length 21 [2019-11-24 03:31:48,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 03:31:48,114 INFO L462 AbstractCegarLoop]: Abstraction has 2138 states and 3478 transitions. [2019-11-24 03:31:48,116 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-24 03:31:48,116 INFO L276 IsEmpty]: Start isEmpty. Operand 2138 states and 3478 transitions. [2019-11-24 03:31:48,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-24 03:31:48,125 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 03:31:48,126 INFO L410 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] [2019-11-24 03:31:48,127 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 03:31:48,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 03:31:48,127 INFO L82 PathProgramCache]: Analyzing trace with hash -1637183307, now seen corresponding path program 1 times [2019-11-24 03:31:48,128 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 03:31:48,128 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661915635] [2019-11-24 03:31:48,128 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 03:31:48,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 03:31:48,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 03:31:48,818 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661915635] [2019-11-24 03:31:48,818 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 03:31:48,819 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-24 03:31:48,819 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314624155] [2019-11-24 03:31:48,820 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-24 03:31:48,821 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 03:31:48,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-24 03:31:48,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 03:31:48,822 INFO L87 Difference]: Start difference. First operand 2138 states and 3478 transitions. Second operand 3 states. [2019-11-24 03:31:51,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 03:31:51,054 INFO L93 Difference]: Finished difference Result 6166 states and 10038 transitions. [2019-11-24 03:31:51,055 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-24 03:31:51,055 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2019-11-24 03:31:51,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 03:31:51,078 INFO L225 Difference]: With dead ends: 6166 [2019-11-24 03:31:51,078 INFO L226 Difference]: Without dead ends: 4033 [2019-11-24 03:31:51,083 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 03:31:51,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4033 states. [2019-11-24 03:31:51,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4033 to 3922. [2019-11-24 03:31:51,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3922 states. [2019-11-24 03:31:51,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3922 states to 3922 states and 6500 transitions. [2019-11-24 03:31:51,231 INFO L78 Accepts]: Start accepts. Automaton has 3922 states and 6500 transitions. Word has length 28 [2019-11-24 03:31:51,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 03:31:51,232 INFO L462 AbstractCegarLoop]: Abstraction has 3922 states and 6500 transitions. [2019-11-24 03:31:51,232 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-24 03:31:51,232 INFO L276 IsEmpty]: Start isEmpty. Operand 3922 states and 6500 transitions. [2019-11-24 03:31:51,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-24 03:31:51,234 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 03:31:51,234 INFO L410 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] [2019-11-24 03:31:51,235 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 03:31:51,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 03:31:51,235 INFO L82 PathProgramCache]: Analyzing trace with hash 908368603, now seen corresponding path program 1 times [2019-11-24 03:31:51,236 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 03:31:51,236 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668981360] [2019-11-24 03:31:51,236 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 03:31:51,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 03:31:52,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 03:31:52,213 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668981360] [2019-11-24 03:31:52,213 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 03:31:52,213 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-24 03:31:52,213 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303146701] [2019-11-24 03:31:52,215 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-24 03:31:52,215 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 03:31:52,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-24 03:31:52,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 03:31:52,216 INFO L87 Difference]: Start difference. First operand 3922 states and 6500 transitions. Second operand 3 states. [2019-11-24 03:31:54,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 03:31:54,480 INFO L93 Difference]: Finished difference Result 9708 states and 16225 transitions. [2019-11-24 03:31:54,480 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-24 03:31:54,480 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2019-11-24 03:31:54,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 03:31:54,511 INFO L225 Difference]: With dead ends: 9708 [2019-11-24 03:31:54,511 INFO L226 Difference]: Without dead ends: 5791 [2019-11-24 03:31:54,519 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 03:31:54,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5791 states. [2019-11-24 03:31:54,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5791 to 5778. [2019-11-24 03:31:54,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5778 states. [2019-11-24 03:31:54,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5778 states to 5778 states and 9710 transitions. [2019-11-24 03:31:54,716 INFO L78 Accepts]: Start accepts. Automaton has 5778 states and 9710 transitions. Word has length 39 [2019-11-24 03:31:54,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 03:31:54,716 INFO L462 AbstractCegarLoop]: Abstraction has 5778 states and 9710 transitions. [2019-11-24 03:31:54,717 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-24 03:31:54,717 INFO L276 IsEmpty]: Start isEmpty. Operand 5778 states and 9710 transitions. [2019-11-24 03:31:54,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-24 03:31:54,719 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 03:31:54,719 INFO L410 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] [2019-11-24 03:31:54,720 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 03:31:54,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 03:31:54,720 INFO L82 PathProgramCache]: Analyzing trace with hash -328239826, now seen corresponding path program 1 times [2019-11-24 03:31:54,720 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 03:31:54,721 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488156350] [2019-11-24 03:31:54,721 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 03:31:54,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat