/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-32_7a-drivers--hid--hid-roccat-kovaplus.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 03:33:34,465 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 03:33:34,469 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 03:33:34,487 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 03:33:34,487 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 03:33:34,489 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 03:33:34,491 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 03:33:34,500 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 03:33:34,503 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 03:33:34,506 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 03:33:34,508 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 03:33:34,510 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 03:33:34,510 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 03:33:34,512 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 03:33:34,514 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 03:33:34,515 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 03:33:34,518 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 03:33:34,519 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 03:33:34,520 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 03:33:34,525 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 03:33:34,530 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 03:33:34,532 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 03:33:34,533 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 03:33:34,535 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 03:33:34,538 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 03:33:34,538 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 03:33:34,538 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 03:33:34,540 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 03:33:34,542 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 03:33:34,543 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 03:33:34,543 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 03:33:34,545 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 03:33:34,545 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 03:33:34,546 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 03:33:34,547 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 03:33:34,548 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 03:33:34,548 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 03:33:34,548 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 03:33:34,549 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 03:33:34,550 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 03:33:34,551 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 03:33:34,552 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 03:33:34,579 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 03:33:34,579 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 03:33:34,582 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 03:33:34,582 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 03:33:34,582 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 03:33:34,582 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 03:33:34,582 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 03:33:34,583 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 03:33:34,583 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 03:33:34,583 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 03:33:34,583 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 03:33:34,583 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 03:33:34,583 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 03:33:34,584 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 03:33:34,584 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 03:33:34,585 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 03:33:34,585 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 03:33:34,585 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 03:33:34,585 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 03:33:34,585 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 03:33:34,586 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 03:33:34,586 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 03:33:34,586 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 03:33:34,586 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 03:33:34,586 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 03:33:34,586 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 03:33:34,587 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 03:33:34,587 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 03:33:34,587 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 03:33:34,587 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 03:33:34,587 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 03:33:34,588 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 03:33:34,588 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 03:33:34,588 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 03:33:34,588 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 03:33:34,588 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 03:33:34,589 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 03:33:34,589 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 03:33:34,889 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 03:33:34,911 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 03:33:34,914 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 03:33:34,916 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 03:33:34,916 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 03:33:34,917 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hid--hid-roccat-kovaplus.ko-entry_point.cil.out.i [2019-11-24 03:33:34,995 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/678b40eda/576cb754d1f245a7a438adb0b3a21323/FLAGe2a8b9da7 [2019-11-24 03:33:35,819 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 03:33:35,820 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hid--hid-roccat-kovaplus.ko-entry_point.cil.out.i [2019-11-24 03:33:35,866 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/678b40eda/576cb754d1f245a7a438adb0b3a21323/FLAGe2a8b9da7 [2019-11-24 03:33:36,326 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/678b40eda/576cb754d1f245a7a438adb0b3a21323 [2019-11-24 03:33:36,334 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 03:33:36,335 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 03:33:36,336 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 03:33:36,337 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 03:33:36,340 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 03:33:36,341 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 03:33:36" (1/1) ... [2019-11-24 03:33:36,344 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1154d72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:33:36, skipping insertion in model container [2019-11-24 03:33:36,344 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 03:33:36" (1/1) ... [2019-11-24 03:33:36,350 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 03:33:36,495 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 03:33:38,239 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 03:33:38,327 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 03:33:38,758 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 03:33:39,164 INFO L208 MainTranslator]: Completed translation [2019-11-24 03:33:39,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:33:39 WrapperNode [2019-11-24 03:33:39,164 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 03:33:39,165 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 03:33:39,166 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 03:33:39,166 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 03:33:39,175 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:33:39" (1/1) ... [2019-11-24 03:33:39,256 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:33:39" (1/1) ... [2019-11-24 03:33:39,542 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 03:33:39,543 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 03:33:39,543 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 03:33:39,543 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 03:33:39,555 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:33:39" (1/1) ... [2019-11-24 03:33:39,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:33:39" (1/1) ... [2019-11-24 03:33:39,593 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:33:39" (1/1) ... [2019-11-24 03:33:39,593 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:33:39" (1/1) ... [2019-11-24 03:33:39,770 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:33:39" (1/1) ... [2019-11-24 03:33:39,828 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:33:39" (1/1) ... [2019-11-24 03:33:39,881 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:33:39" (1/1) ... [2019-11-24 03:33:39,918 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 03:33:39,918 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 03:33:39,918 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 03:33:39,919 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 03:33:39,920 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:33:39" (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 03:33:40,122 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_stop [2019-11-24 03:33:40,129 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_stop [2019-11-24 03:33:40,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 03:33:40,129 INFO L130 BoogieDeclarations]: Found specification of procedure kovaplus_remove [2019-11-24 03:33:40,129 INFO L138 BoogieDeclarations]: Found implementation of procedure kovaplus_remove [2019-11-24 03:33:40,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-24 03:33:40,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-24 03:33:40,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-24 03:33:40,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-24 03:33:40,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-24 03:33:40,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-24 03:33:40,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-24 03:33:40,131 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-24 03:33:40,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-24 03:33:40,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-24 03:33:40,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 03:33:40,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 03:34:57,562 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 03:34:57,562 INFO L284 CfgBuilder]: Removed 1396 assume(true) statements. [2019-11-24 03:34:57,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 03:34:57 BoogieIcfgContainer [2019-11-24 03:34:57,564 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 03:34:57,565 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-24 03:34:57,565 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-24 03:34:57,568 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-24 03:34:57,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 03:33:36" (1/3) ... [2019-11-24 03:34:57,569 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f6efe8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 03:34:57, skipping insertion in model container [2019-11-24 03:34:57,569 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:33:39" (2/3) ... [2019-11-24 03:34:57,569 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f6efe8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 03:34:57, skipping insertion in model container [2019-11-24 03:34:57,569 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 03:34:57" (3/3) ... [2019-11-24 03:34:57,571 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--hid--hid-roccat-kovaplus.ko-entry_point.cil.out.i [2019-11-24 03:34:57,578 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-24 03:34:57,586 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 43 error locations. [2019-11-24 03:34:57,594 INFO L249 AbstractCegarLoop]: Starting to check reachability of 43 error locations. [2019-11-24 03:34:57,624 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-24 03:34:57,624 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-24 03:34:57,624 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-24 03:34:57,625 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-24 03:34:57,625 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-24 03:34:57,625 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-24 03:34:57,625 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-24 03:34:57,625 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-24 03:34:57,660 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states. [2019-11-24 03:34:57,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-11-24 03:34:57,671 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 03:34:57,672 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:34:57,673 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 03:34:57,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 03:34:57,678 INFO L82 PathProgramCache]: Analyzing trace with hash 2129414121, now seen corresponding path program 1 times [2019-11-24 03:34:57,687 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 03:34:57,687 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919078897] [2019-11-24 03:34:57,687 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 03:34:58,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 03:34:58,957 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 03:34:58,959 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919078897] [2019-11-24 03:34:58,960 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 03:34:58,961 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-24 03:34:58,962 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360588221] [2019-11-24 03:34:58,968 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-24 03:34:58,969 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 03:34:58,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-24 03:34:58,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 03:34:58,987 INFO L87 Difference]: Start difference. First operand 546 states. Second operand 3 states. [2019-11-24 03:34:59,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 03:34:59,352 INFO L93 Difference]: Finished difference Result 1409 states and 2241 transitions. [2019-11-24 03:34:59,352 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-24 03:34:59,354 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 103 [2019-11-24 03:34:59,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 03:34:59,378 INFO L225 Difference]: With dead ends: 1409 [2019-11-24 03:34:59,379 INFO L226 Difference]: Without dead ends: 899 [2019-11-24 03:34:59,392 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 03:34:59,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 899 states. [2019-11-24 03:34:59,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 899 to 804. [2019-11-24 03:34:59,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 804 states. [2019-11-24 03:34:59,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 804 states and 1281 transitions. [2019-11-24 03:34:59,510 INFO L78 Accepts]: Start accepts. Automaton has 804 states and 1281 transitions. Word has length 103 [2019-11-24 03:34:59,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 03:34:59,511 INFO L462 AbstractCegarLoop]: Abstraction has 804 states and 1281 transitions. [2019-11-24 03:34:59,511 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-24 03:34:59,511 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 1281 transitions. [2019-11-24 03:34:59,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-11-24 03:34:59,515 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 03:34:59,515 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:34:59,516 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 03:34:59,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 03:34:59,516 INFO L82 PathProgramCache]: Analyzing trace with hash -1789618978, now seen corresponding path program 1 times [2019-11-24 03:34:59,517 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 03:34:59,517 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623066933] [2019-11-24 03:34:59,517 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 03:34:59,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 03:35:00,243 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 03:35:00,244 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623066933] [2019-11-24 03:35:00,244 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 03:35:00,244 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-24 03:35:00,244 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935533015] [2019-11-24 03:35:00,247 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-24 03:35:00,248 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 03:35:00,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-24 03:35:00,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 03:35:00,248 INFO L87 Difference]: Start difference. First operand 804 states and 1281 transitions. Second operand 3 states. [2019-11-24 03:35:00,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 03:35:00,545 INFO L93 Difference]: Finished difference Result 2176 states and 3399 transitions. [2019-11-24 03:35:00,546 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-24 03:35:00,546 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 103 [2019-11-24 03:35:00,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 03:35:00,557 INFO L225 Difference]: With dead ends: 2176 [2019-11-24 03:35:00,558 INFO L226 Difference]: Without dead ends: 1465 [2019-11-24 03:35:00,565 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 03:35:00,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1465 states. [2019-11-24 03:35:00,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1465 to 1376. [2019-11-24 03:35:00,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1376 states. [2019-11-24 03:35:00,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1376 states to 1376 states and 2241 transitions. [2019-11-24 03:35:00,651 INFO L78 Accepts]: Start accepts. Automaton has 1376 states and 2241 transitions. Word has length 103 [2019-11-24 03:35:00,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 03:35:00,653 INFO L462 AbstractCegarLoop]: Abstraction has 1376 states and 2241 transitions. [2019-11-24 03:35:00,653 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-24 03:35:00,653 INFO L276 IsEmpty]: Start isEmpty. Operand 1376 states and 2241 transitions. [2019-11-24 03:35:00,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-11-24 03:35:00,660 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 03:35:00,661 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:35:00,662 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 03:35:00,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 03:35:00,663 INFO L82 PathProgramCache]: Analyzing trace with hash -20769368, now seen corresponding path program 1 times [2019-11-24 03:35:00,663 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 03:35:00,663 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662389988] [2019-11-24 03:35:00,664 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 03:35:00,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 03:35:01,239 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 03:35:01,240 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662389988] [2019-11-24 03:35:01,241 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 03:35:01,242 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-24 03:35:01,243 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137645045] [2019-11-24 03:35:01,243 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-24 03:35:01,243 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 03:35:01,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-24 03:35:01,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 03:35:01,244 INFO L87 Difference]: Start difference. First operand 1376 states and 2241 transitions. Second operand 3 states. [2019-11-24 03:35:01,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 03:35:01,572 INFO L93 Difference]: Finished difference Result 3908 states and 6303 transitions. [2019-11-24 03:35:01,573 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-24 03:35:01,574 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 103 [2019-11-24 03:35:01,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 03:35:01,592 INFO L225 Difference]: With dead ends: 3908 [2019-11-24 03:35:01,592 INFO L226 Difference]: Without dead ends: 2625 [2019-11-24 03:35:01,596 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 03:35:01,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2625 states. [2019-11-24 03:35:01,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2625 to 2532. [2019-11-24 03:35:01,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2532 states. [2019-11-24 03:35:01,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2532 states to 2532 states and 4181 transitions. [2019-11-24 03:35:01,730 INFO L78 Accepts]: Start accepts. Automaton has 2532 states and 4181 transitions. Word has length 103 [2019-11-24 03:35:01,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 03:35:01,732 INFO L462 AbstractCegarLoop]: Abstraction has 2532 states and 4181 transitions. [2019-11-24 03:35:01,732 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-24 03:35:01,732 INFO L276 IsEmpty]: Start isEmpty. Operand 2532 states and 4181 transitions. [2019-11-24 03:35:01,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-11-24 03:35:01,734 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 03:35:01,734 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:35:01,735 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 03:35:01,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 03:35:01,735 INFO L82 PathProgramCache]: Analyzing trace with hash 389685601, now seen corresponding path program 1 times [2019-11-24 03:35:01,736 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 03:35:01,736 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368147344] [2019-11-24 03:35:01,736 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 03:35:01,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 03:35:02,212 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 03:35:02,213 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368147344] [2019-11-24 03:35:02,213 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 03:35:02,213 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-24 03:35:02,213 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530630414] [2019-11-24 03:35:02,215 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-24 03:35:02,215 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 03:35:02,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-24 03:35:02,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 03:35:02,216 INFO L87 Difference]: Start difference. First operand 2532 states and 4181 transitions. Second operand 3 states. [2019-11-24 03:35:02,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 03:35:02,540 INFO L93 Difference]: Finished difference Result 7294 states and 11987 transitions. [2019-11-24 03:35:02,541 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-24 03:35:02,541 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 104 [2019-11-24 03:35:02,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 03:35:02,569 INFO L225 Difference]: With dead ends: 7294 [2019-11-24 03:35:02,569 INFO L226 Difference]: Without dead ends: 4855 [2019-11-24 03:35:02,577 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 03:35:02,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4855 states. [2019-11-24 03:35:02,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4855 to 4760. [2019-11-24 03:35:02,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4760 states. [2019-11-24 03:35:02,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4760 states to 4760 states and 7917 transitions. [2019-11-24 03:35:02,826 INFO L78 Accepts]: Start accepts. Automaton has 4760 states and 7917 transitions. Word has length 104 [2019-11-24 03:35:02,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 03:35:02,827 INFO L462 AbstractCegarLoop]: Abstraction has 4760 states and 7917 transitions. [2019-11-24 03:35:02,827 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-24 03:35:02,827 INFO L276 IsEmpty]: Start isEmpty. Operand 4760 states and 7917 transitions. [2019-11-24 03:35:02,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-11-24 03:35:02,829 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 03:35:02,830 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:35:02,831 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 03:35:02,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 03:35:02,831 INFO L82 PathProgramCache]: Analyzing trace with hash -1395938090, now seen corresponding path program 1 times [2019-11-24 03:35:02,832 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 03:35:02,832 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753705846] [2019-11-24 03:35:02,832 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 03:35:03,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 03:35:03,489 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 03:35:03,490 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753705846] [2019-11-24 03:35:03,490 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 03:35:03,490 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-24 03:35:03,491 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835126482] [2019-11-24 03:35:03,491 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-24 03:35:03,491 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 03:35:03,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-24 03:35:03,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 03:35:03,492 INFO L87 Difference]: Start difference. First operand 4760 states and 7917 transitions. Second operand 3 states. [2019-11-24 03:35:05,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 03:35:05,788 INFO L93 Difference]: Finished difference Result 14042 states and 23290 transitions. [2019-11-24 03:35:05,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-24 03:35:05,790 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 106 [2019-11-24 03:35:05,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 03:35:05,856 INFO L225 Difference]: With dead ends: 14042 [2019-11-24 03:35:05,857 INFO L226 Difference]: Without dead ends: 9375 [2019-11-24 03:35:05,869 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 03:35:05,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9375 states. [2019-11-24 03:35:06,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9375 to 9297. [2019-11-24 03:35:06,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9297 states. [2019-11-24 03:35:06,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9297 states to 9297 states and 15471 transitions. [2019-11-24 03:35:06,339 INFO L78 Accepts]: Start accepts. Automaton has 9297 states and 15471 transitions. Word has length 106 [2019-11-24 03:35:06,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 03:35:06,340 INFO L462 AbstractCegarLoop]: Abstraction has 9297 states and 15471 transitions. [2019-11-24 03:35:06,340 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-24 03:35:06,340 INFO L276 IsEmpty]: Start isEmpty. Operand 9297 states and 15471 transitions. [2019-11-24 03:35:06,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-11-24 03:35:06,342 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 03:35:06,343 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:35:06,343 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 03:35:06,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 03:35:06,344 INFO L82 PathProgramCache]: Analyzing trace with hash 1107068600, now seen corresponding path program 1 times [2019-11-24 03:35:06,344 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 03:35:06,344 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013632093] [2019-11-24 03:35:06,345 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 03:35:06,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 03:35:06,934 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 03:35:06,935 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013632093] [2019-11-24 03:35:06,935 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 03:35:06,935 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-24 03:35:06,935 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123880886] [2019-11-24 03:35:06,936 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-24 03:35:06,936 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 03:35:06,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-24 03:35:06,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 03:35:06,937 INFO L87 Difference]: Start difference. First operand 9297 states and 15471 transitions. Second operand 3 states.