/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--media--pci--pt3--earth-pt3.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 03:27:28,526 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 03:27:28,528 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 03:27:28,543 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 03:27:28,544 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 03:27:28,546 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 03:27:28,548 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 03:27:28,559 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 03:27:28,563 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 03:27:28,564 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 03:27:28,566 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 03:27:28,567 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 03:27:28,567 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 03:27:28,570 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 03:27:28,572 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 03:27:28,574 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 03:27:28,575 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 03:27:28,575 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 03:27:28,579 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 03:27:28,583 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 03:27:28,588 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 03:27:28,589 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 03:27:28,591 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 03:27:28,591 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 03:27:28,595 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 03:27:28,600 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 03:27:28,601 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 03:27:28,601 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 03:27:28,602 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 03:27:28,604 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 03:27:28,604 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 03:27:28,605 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 03:27:28,605 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 03:27:28,605 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 03:27:28,609 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 03:27:28,610 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 03:27:28,611 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 03:27:28,646 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 03:27:28,646 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 03:27:28,649 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 03:27:28,649 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 03:27:28,649 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 03:27:28,650 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 03:27:28,650 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 03:27:28,650 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 03:27:28,650 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 03:27:28,650 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 03:27:28,651 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 03:27:28,651 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 03:27:28,651 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 03:27:28,651 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 03:27:28,651 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 03:27:28,655 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 03:27:28,655 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 03:27:28,656 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 03:27:28,656 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 03:27:28,656 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 03:27:28,656 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 03:27:28,656 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 03:27:28,657 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 03:27:28,657 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 03:27:28,657 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 03:27:28,657 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 03:27:28,657 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 03:27:28,658 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 03:27:28,659 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 03:27:28,659 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 03:27:28,659 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 03:27:28,659 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 03:27:28,659 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 03:27:28,660 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 03:27:28,661 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 03:27:28,661 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 03:27:28,661 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 03:27:28,662 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 03:27:28,939 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 03:27:28,959 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 03:27:28,963 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 03:27:28,964 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 03:27:28,965 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 03:27:28,965 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--pci--pt3--earth-pt3.ko-entry_point.cil.out.i [2019-11-24 03:27:29,039 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ee39b288/6ae901f6ccac4af5b305a0b6a1ee133e/FLAG42957087d [2019-11-24 03:27:29,937 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 03:27:29,938 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--pci--pt3--earth-pt3.ko-entry_point.cil.out.i [2019-11-24 03:27:29,992 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ee39b288/6ae901f6ccac4af5b305a0b6a1ee133e/FLAG42957087d [2019-11-24 03:27:30,439 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ee39b288/6ae901f6ccac4af5b305a0b6a1ee133e [2019-11-24 03:27:30,447 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 03:27:30,449 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 03:27:30,450 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 03:27:30,450 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 03:27:30,453 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 03:27:30,454 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 03:27:30" (1/1) ... [2019-11-24 03:27:30,457 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f03c8df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:27:30, skipping insertion in model container [2019-11-24 03:27:30,458 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 03:27:30" (1/1) ... [2019-11-24 03:27:30,465 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 03:27:30,588 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 03:27:32,470 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 03:27:32,527 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 03:27:32,875 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 03:27:33,117 INFO L208 MainTranslator]: Completed translation [2019-11-24 03:27:33,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:27:33 WrapperNode [2019-11-24 03:27:33,118 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 03:27:33,119 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 03:27:33,119 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 03:27:33,119 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 03:27:33,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:27:33" (1/1) ... [2019-11-24 03:27:33,224 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:27:33" (1/1) ... [2019-11-24 03:27:33,516 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 03:27:33,517 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 03:27:33,517 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 03:27:33,517 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 03:27:33,528 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:27:33" (1/1) ... [2019-11-24 03:27:33,528 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:27:33" (1/1) ... [2019-11-24 03:27:33,584 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:27:33" (1/1) ... [2019-11-24 03:27:33,585 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:27:33" (1/1) ... [2019-11-24 03:27:33,736 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:27:33" (1/1) ... [2019-11-24 03:27:33,783 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:27:33" (1/1) ... [2019-11-24 03:27:33,809 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:27:33" (1/1) ... [2019-11-24 03:27:33,844 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 03:27:33,845 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 03:27:33,845 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 03:27:33,845 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 03:27:33,846 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:27:33" (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 03:27:33,923 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_fe_init [2019-11-24 03:27:33,923 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_fe_init [2019-11-24 03:27:33,924 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2019-11-24 03:27:33,924 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2019-11-24 03:27:33,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-24 03:27:33,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-24 03:27:33,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 03:27:33,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-24 03:27:33,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-24 03:27:33,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-24 03:27:33,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-11-24 03:27:33,925 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_resume [2019-11-24 03:27:33,926 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_resume [2019-11-24 03:27:33,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-11-24 03:27:33,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-24 03:27:33,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-24 03:27:33,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-24 03:27:33,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-24 03:27:33,927 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-11-24 03:27:33,927 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-11-24 03:27:33,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-11-24 03:27:33,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-24 03:27:33,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 03:27:33,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 03:29:04,025 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 03:29:04,026 INFO L284 CfgBuilder]: Removed 877 assume(true) statements. [2019-11-24 03:29:04,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 03:29:04 BoogieIcfgContainer [2019-11-24 03:29:04,027 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 03:29:04,028 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-24 03:29:04,028 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-24 03:29:04,031 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-24 03:29:04,031 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 03:27:30" (1/3) ... [2019-11-24 03:29:04,032 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a5d132d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 03:29:04, skipping insertion in model container [2019-11-24 03:29:04,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:27:33" (2/3) ... [2019-11-24 03:29:04,033 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a5d132d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 03:29:04, skipping insertion in model container [2019-11-24 03:29:04,033 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 03:29:04" (3/3) ... [2019-11-24 03:29:04,035 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--media--pci--pt3--earth-pt3.ko-entry_point.cil.out.i [2019-11-24 03:29:04,044 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-24 03:29:04,053 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 7 error locations. [2019-11-24 03:29:04,065 INFO L249 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2019-11-24 03:29:04,095 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-24 03:29:04,095 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-24 03:29:04,096 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-24 03:29:04,096 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-24 03:29:04,096 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-24 03:29:04,096 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-24 03:29:04,096 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-24 03:29:04,096 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-24 03:29:04,126 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states. [2019-11-24 03:29:04,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-24 03:29:04,133 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 03:29:04,134 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 03:29:04,134 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 03:29:04,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 03:29:04,141 INFO L82 PathProgramCache]: Analyzing trace with hash -392013786, now seen corresponding path program 1 times [2019-11-24 03:29:04,152 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 03:29:04,152 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415733730] [2019-11-24 03:29:04,152 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 03:29:04,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 03:29:04,880 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 03:29:04,882 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415733730] [2019-11-24 03:29:04,884 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 03:29:04,885 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-24 03:29:04,887 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087815084] [2019-11-24 03:29:04,893 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-24 03:29:04,894 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 03:29:04,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-24 03:29:04,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 03:29:04,913 INFO L87 Difference]: Start difference. First operand 446 states. Second operand 3 states.