/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-43_2a-drivers--net--ethernet--amd--amd8111e.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 03:44:20,694 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 03:44:20,696 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 03:44:20,708 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 03:44:20,709 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 03:44:20,710 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 03:44:20,711 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 03:44:20,713 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 03:44:20,714 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 03:44:20,715 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 03:44:20,716 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 03:44:20,717 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 03:44:20,717 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 03:44:20,718 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 03:44:20,719 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 03:44:20,720 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 03:44:20,723 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 03:44:20,723 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 03:44:20,725 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 03:44:20,729 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 03:44:20,732 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 03:44:20,733 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 03:44:20,734 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 03:44:20,736 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 03:44:20,741 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 03:44:20,753 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 03:44:20,756 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 03:44:20,757 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 03:44:20,757 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 03:44:20,779 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 03:44:20,780 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 03:44:20,781 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 03:44:20,781 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 03:44:20,781 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 03:44:20,781 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 03:44:20,782 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 03:44:20,782 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 03:44:20,782 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 03:44:20,782 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 03:44:20,783 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 03:44:20,783 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 03:44:20,784 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 03:44:20,784 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 03:44:20,784 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 03:44:20,785 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 03:44:20,785 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 03:44:20,785 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 03:44:20,786 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 03:44:20,786 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 03:44:20,786 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 03:44:20,786 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 03:44:20,787 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 03:44:20,787 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 03:44:20,787 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 03:44:20,787 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 03:44:20,787 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 03:44:20,788 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 03:44:20,788 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 03:44:20,789 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 03:44:20,789 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 03:44:20,789 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 03:44:20,789 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 03:44:20,790 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 03:44:20,790 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 03:44:20,790 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 03:44:20,791 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 03:44:20,791 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 03:44:21,075 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 03:44:21,088 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 03:44:21,092 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 03:44:21,093 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 03:44:21,094 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 03:44:21,094 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--amd8111e.ko-entry_point.cil.out.i [2019-11-24 03:44:21,177 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f032ff937/c3071e86edc0482280536299adb1afe1/FLAGf93dd3287 [2019-11-24 03:44:21,977 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 03:44:21,978 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--amd8111e.ko-entry_point.cil.out.i [2019-11-24 03:44:22,030 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f032ff937/c3071e86edc0482280536299adb1afe1/FLAGf93dd3287 [2019-11-24 03:44:22,463 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f032ff937/c3071e86edc0482280536299adb1afe1 [2019-11-24 03:44:22,472 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 03:44:22,473 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 03:44:22,474 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 03:44:22,474 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 03:44:22,478 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 03:44:22,479 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 03:44:22" (1/1) ... [2019-11-24 03:44:22,482 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c4a3947 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:44:22, skipping insertion in model container [2019-11-24 03:44:22,482 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 03:44:22" (1/1) ... [2019-11-24 03:44:22,489 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 03:44:22,649 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 03:44:24,905 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 03:44:24,943 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 03:44:25,399 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 03:44:25,917 INFO L208 MainTranslator]: Completed translation [2019-11-24 03:44:25,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:44:25 WrapperNode [2019-11-24 03:44:25,918 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 03:44:25,919 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 03:44:25,919 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 03:44:25,919 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 03:44:25,931 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:44:25" (1/1) ... [2019-11-24 03:44:26,043 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:44:25" (1/1) ... [2019-11-24 03:44:26,950 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 03:44:26,951 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 03:44:26,951 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 03:44:26,951 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 03:44:26,962 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:44:25" (1/1) ... [2019-11-24 03:44:26,969 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:44:25" (1/1) ... [2019-11-24 03:44:27,109 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:44:25" (1/1) ... [2019-11-24 03:44:27,110 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:44:25" (1/1) ... [2019-11-24 03:44:28,526 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:44:25" (1/1) ... [2019-11-24 03:44:28,650 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:44:25" (1/1) ... [2019-11-24 03:44:28,765 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:44:25" (1/1) ... [2019-11-24 03:44:28,915 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 03:44:28,916 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 03:44:28,916 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 03:44:28,916 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 03:44:28,917 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:44:25" (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 03:44:28,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-24 03:44:28,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-24 03:44:28,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 03:44:28,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-24 03:44:28,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-24 03:44:28,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-24 03:44:28,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-11-24 03:44:28,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-11-24 03:44:28,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-24 03:44:28,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-24 03:44:28,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-24 03:44:28,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-24 03:44:28,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-24 03:44:28,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 03:44:28,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 03:45:37,511 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 03:45:37,511 INFO L284 CfgBuilder]: Removed 7325 assume(true) statements. [2019-11-24 03:45:37,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 03:45:37 BoogieIcfgContainer [2019-11-24 03:45:37,514 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 03:45:37,515 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-24 03:45:37,515 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-24 03:45:37,518 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-24 03:45:37,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 03:44:22" (1/3) ... [2019-11-24 03:45:37,519 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5621bd31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 03:45:37, skipping insertion in model container [2019-11-24 03:45:37,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 03:44:25" (2/3) ... [2019-11-24 03:45:37,519 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5621bd31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 03:45:37, skipping insertion in model container [2019-11-24 03:45:37,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 03:45:37" (3/3) ... [2019-11-24 03:45:37,522 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--amd8111e.ko-entry_point.cil.out.i [2019-11-24 03:45:37,531 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-24 03:45:37,541 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 9 error locations. [2019-11-24 03:45:37,550 INFO L249 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2019-11-24 03:45:37,591 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-24 03:45:37,592 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-24 03:45:37,592 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-24 03:45:37,592 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-24 03:45:37,592 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-24 03:45:37,592 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-24 03:45:37,592 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-24 03:45:37,593 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-24 03:45:37,634 INFO L276 IsEmpty]: Start isEmpty. Operand 1661 states. [2019-11-24 03:45:37,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-24 03:45:37,651 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 03:45:37,653 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] [2019-11-24 03:45:37,653 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_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 03:45:37,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 03:45:37,660 INFO L82 PathProgramCache]: Analyzing trace with hash 286814181, now seen corresponding path program 1 times [2019-11-24 03:45:37,669 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 03:45:37,670 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463220902] [2019-11-24 03:45:37,670 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 03:45:38,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 03:45:38,407 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 03:45:38,408 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463220902] [2019-11-24 03:45:38,409 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 03:45:38,409 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-24 03:45:38,410 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266032155] [2019-11-24 03:45:38,415 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-24 03:45:38,415 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 03:45:38,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-24 03:45:38,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 03:45:38,433 INFO L87 Difference]: Start difference. First operand 1661 states. Second operand 3 states. [2019-11-24 03:45:39,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 03:45:39,291 INFO L93 Difference]: Finished difference Result 4752 states and 7865 transitions. [2019-11-24 03:45:39,291 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-24 03:45:39,293 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2019-11-24 03:45:39,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 03:45:39,335 INFO L225 Difference]: With dead ends: 4752 [2019-11-24 03:45:39,335 INFO L226 Difference]: Without dead ends: 2988 [2019-11-24 03:45:39,347 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 03:45:39,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2988 states. [2019-11-24 03:45:39,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2988 to 2976. [2019-11-24 03:45:39,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2976 states. [2019-11-24 03:45:39,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2976 states to 2976 states and 4887 transitions. [2019-11-24 03:45:39,557 INFO L78 Accepts]: Start accepts. Automaton has 2976 states and 4887 transitions. Word has length 30 [2019-11-24 03:45:39,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 03:45:39,558 INFO L462 AbstractCegarLoop]: Abstraction has 2976 states and 4887 transitions. [2019-11-24 03:45:39,558 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-24 03:45:39,558 INFO L276 IsEmpty]: Start isEmpty. Operand 2976 states and 4887 transitions. [2019-11-24 03:45:39,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-24 03:45:39,561 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 03:45:39,561 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] [2019-11-24 03:45:39,561 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_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 03:45:39,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 03:45:39,562 INFO L82 PathProgramCache]: Analyzing trace with hash 1915444550, now seen corresponding path program 1 times [2019-11-24 03:45:39,562 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 03:45:39,562 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126546134] [2019-11-24 03:45:39,563 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY