java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label07_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 07:04:00,017 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 07:04:00,019 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 07:04:00,031 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 07:04:00,031 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 07:04:00,033 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 07:04:00,034 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 07:04:00,036 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 07:04:00,038 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 07:04:00,039 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 07:04:00,040 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 07:04:00,040 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 07:04:00,041 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 07:04:00,042 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 07:04:00,043 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 07:04:00,044 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 07:04:00,044 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 07:04:00,046 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 07:04:00,048 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 07:04:00,050 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 07:04:00,051 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 07:04:00,053 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 07:04:00,057 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 07:04:00,057 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 07:04:00,058 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 07:04:00,063 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 07:04:00,064 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 07:04:00,065 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 07:04:00,068 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 07:04:00,069 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 07:04:00,069 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 07:04:00,072 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 07:04:00,072 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 07:04:00,073 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 07:04:00,074 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 07:04:00,076 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 07:04:00,076 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf [2018-11-07 07:04:00,093 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 07:04:00,093 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 07:04:00,094 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 07:04:00,094 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 07:04:00,094 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 07:04:00,095 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 07:04:00,095 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-07 07:04:00,095 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 07:04:00,095 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 07:04:00,095 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 07:04:00,096 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 07:04:00,096 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 07:04:00,096 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 07:04:00,096 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-07 07:04:00,097 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 07:04:00,097 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 07:04:00,097 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 07:04:00,097 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 07:04:00,097 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 07:04:00,098 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 07:04:00,098 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 07:04:00,098 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 07:04:00,098 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 07:04:00,098 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 07:04:00,099 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 07:04:00,099 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 07:04:00,099 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 07:04:00,099 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 07:04:00,099 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 07:04:00,100 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 07:04:00,100 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 07:04:00,100 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 07:04:00,100 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 07:04:00,100 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 07:04:00,101 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 07:04:00,101 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 07:04:00,153 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 07:04:00,174 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 07:04:00,179 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 07:04:00,180 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 07:04:00,181 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 07:04:00,182 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label07_true-unreach-call_false-termination.c [2018-11-07 07:04:00,249 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e77a1154/c39abd1c0cac40dfafa4c480db3e2274/FLAGcdca50fd0 [2018-11-07 07:04:00,786 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 07:04:00,787 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label07_true-unreach-call_false-termination.c [2018-11-07 07:04:00,799 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e77a1154/c39abd1c0cac40dfafa4c480db3e2274/FLAGcdca50fd0 [2018-11-07 07:04:00,814 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e77a1154/c39abd1c0cac40dfafa4c480db3e2274 [2018-11-07 07:04:00,825 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 07:04:00,827 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 07:04:00,828 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 07:04:00,829 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 07:04:00,834 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 07:04:00,835 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:04:00" (1/1) ... [2018-11-07 07:04:00,838 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41fd93e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:04:00, skipping insertion in model container [2018-11-07 07:04:00,838 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:04:00" (1/1) ... [2018-11-07 07:04:00,849 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 07:04:00,913 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 07:04:01,448 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 07:04:01,453 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 07:04:01,602 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 07:04:01,623 INFO L193 MainTranslator]: Completed translation [2018-11-07 07:04:01,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:04:01 WrapperNode [2018-11-07 07:04:01,624 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 07:04:01,625 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 07:04:01,625 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 07:04:01,625 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 07:04:01,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:04:01" (1/1) ... [2018-11-07 07:04:01,662 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:04:01" (1/1) ... [2018-11-07 07:04:01,764 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 07:04:01,765 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 07:04:01,765 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 07:04:01,765 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 07:04:01,774 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:04:01" (1/1) ... [2018-11-07 07:04:01,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:04:01" (1/1) ... [2018-11-07 07:04:01,779 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:04:01" (1/1) ... [2018-11-07 07:04:01,780 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:04:01" (1/1) ... [2018-11-07 07:04:01,820 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:04:01" (1/1) ... [2018-11-07 07:04:01,837 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:04:01" (1/1) ... [2018-11-07 07:04:01,851 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:04:01" (1/1) ... [2018-11-07 07:04:01,858 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 07:04:01,859 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 07:04:01,860 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 07:04:01,860 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 07:04:01,861 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:04:01" (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 [2018-11-07 07:04:01,920 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 07:04:01,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 07:04:01,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 07:04:01,921 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 07:04:01,921 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 07:04:01,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 07:04:01,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 07:04:01,921 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 07:04:01,922 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 07:04:04,932 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 07:04:04,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:04:04 BoogieIcfgContainer [2018-11-07 07:04:04,934 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 07:04:04,935 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 07:04:04,935 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 07:04:04,939 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 07:04:04,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 07:04:00" (1/3) ... [2018-11-07 07:04:04,940 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e1699fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:04:04, skipping insertion in model container [2018-11-07 07:04:04,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:04:01" (2/3) ... [2018-11-07 07:04:04,941 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e1699fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:04:04, skipping insertion in model container [2018-11-07 07:04:04,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:04:04" (3/3) ... [2018-11-07 07:04:04,943 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label07_true-unreach-call_false-termination.c [2018-11-07 07:04:04,953 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 07:04:04,962 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 07:04:04,980 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 07:04:05,018 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 07:04:05,019 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 07:04:05,019 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 07:04:05,019 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 07:04:05,019 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 07:04:05,021 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 07:04:05,021 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 07:04:05,021 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 07:04:05,050 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-11-07 07:04:05,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-07 07:04:05,063 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:04:05,064 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 07:04:05,066 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:04:05,072 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:04:05,073 INFO L82 PathProgramCache]: Analyzing trace with hash -175459411, now seen corresponding path program 1 times [2018-11-07 07:04:05,076 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:04:05,118 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:04:05,118 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:04:05,119 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:04:05,119 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:04:05,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:04:05,746 WARN L179 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 07:04:05,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 07:04:05,894 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 07:04:05,895 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 07:04:05,895 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:04:05,901 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 07:04:05,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 07:04:05,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 07:04:05,921 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 3 states. [2018-11-07 07:04:07,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:04:07,514 INFO L93 Difference]: Finished difference Result 550 states and 941 transitions. [2018-11-07 07:04:07,516 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 07:04:07,517 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 111 [2018-11-07 07:04:07,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:04:07,534 INFO L225 Difference]: With dead ends: 550 [2018-11-07 07:04:07,535 INFO L226 Difference]: Without dead ends: 340 [2018-11-07 07:04:07,541 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 07:04:07,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-11-07 07:04:07,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2018-11-07 07:04:07,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-11-07 07:04:07,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 553 transitions. [2018-11-07 07:04:07,622 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 553 transitions. Word has length 111 [2018-11-07 07:04:07,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:04:07,623 INFO L480 AbstractCegarLoop]: Abstraction has 340 states and 553 transitions. [2018-11-07 07:04:07,624 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 07:04:07,624 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 553 transitions. [2018-11-07 07:04:07,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-07 07:04:07,632 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:04:07,632 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 07:04:07,632 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:04:07,633 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:04:07,633 INFO L82 PathProgramCache]: Analyzing trace with hash -665844754, now seen corresponding path program 1 times [2018-11-07 07:04:07,633 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:04:07,635 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:04:07,635 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:04:07,635 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:04:07,635 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:04:07,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:04:07,901 WARN L179 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 07:04:08,078 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 07:04:08,079 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 07:04:08,079 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 07:04:08,079 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:04:08,082 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 07:04:08,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 07:04:08,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 07:04:08,083 INFO L87 Difference]: Start difference. First operand 340 states and 553 transitions. Second operand 6 states. [2018-11-07 07:04:10,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:04:10,116 INFO L93 Difference]: Finished difference Result 1075 states and 1835 transitions. [2018-11-07 07:04:10,119 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 07:04:10,119 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 122 [2018-11-07 07:04:10,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:04:10,127 INFO L225 Difference]: With dead ends: 1075 [2018-11-07 07:04:10,128 INFO L226 Difference]: Without dead ends: 741 [2018-11-07 07:04:10,133 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 07:04:10,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2018-11-07 07:04:10,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 724. [2018-11-07 07:04:10,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 724 states. [2018-11-07 07:04:10,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 724 states and 1145 transitions. [2018-11-07 07:04:10,226 INFO L78 Accepts]: Start accepts. Automaton has 724 states and 1145 transitions. Word has length 122 [2018-11-07 07:04:10,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:04:10,226 INFO L480 AbstractCegarLoop]: Abstraction has 724 states and 1145 transitions. [2018-11-07 07:04:10,227 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 07:04:10,227 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 1145 transitions. [2018-11-07 07:04:10,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-07 07:04:10,240 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:04:10,243 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 07:04:10,244 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:04:10,244 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:04:10,244 INFO L82 PathProgramCache]: Analyzing trace with hash 1859924383, now seen corresponding path program 1 times [2018-11-07 07:04:10,245 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:04:10,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:04:10,249 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:04:10,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:04:10,249 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:04:10,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:04:10,599 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 40 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 07:04:10,600 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:04:10,600 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 07:04:10,601 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 148 with the following transitions: [2018-11-07 07:04:10,604 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [525], [527], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-07 07:04:10,653 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 07:04:10,653 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 07:04:11,588 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 07:04:11,591 INFO L272 AbstractInterpreter]: Visited 115 different actions 223 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-07 07:04:11,627 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:04:11,627 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 07:04:12,087 INFO L227 lantSequenceWeakener]: Weakened 144 states. On average, predicates are now at 81.79% of their original sizes. [2018-11-07 07:04:12,088 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 07:04:12,552 INFO L415 sIntCurrentIteration]: We unified 146 AI predicates to 146 [2018-11-07 07:04:12,552 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 07:04:12,553 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 07:04:12,553 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-07 07:04:12,553 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:04:12,554 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-07 07:04:12,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-07 07:04:12,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-07 07:04:12,555 INFO L87 Difference]: Start difference. First operand 724 states and 1145 transitions. Second operand 10 states. [2018-11-07 07:04:23,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:04:23,438 INFO L93 Difference]: Finished difference Result 2755 states and 4453 transitions. [2018-11-07 07:04:23,438 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-07 07:04:23,438 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 147 [2018-11-07 07:04:23,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:04:23,450 INFO L225 Difference]: With dead ends: 2755 [2018-11-07 07:04:23,451 INFO L226 Difference]: Without dead ends: 2037 [2018-11-07 07:04:23,456 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 156 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-07 07:04:23,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2037 states. [2018-11-07 07:04:23,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2037 to 2007. [2018-11-07 07:04:23,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2007 states. [2018-11-07 07:04:23,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2007 states to 2007 states and 2581 transitions. [2018-11-07 07:04:23,522 INFO L78 Accepts]: Start accepts. Automaton has 2007 states and 2581 transitions. Word has length 147 [2018-11-07 07:04:23,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:04:23,523 INFO L480 AbstractCegarLoop]: Abstraction has 2007 states and 2581 transitions. [2018-11-07 07:04:23,523 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-07 07:04:23,523 INFO L276 IsEmpty]: Start isEmpty. Operand 2007 states and 2581 transitions. [2018-11-07 07:04:23,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-07 07:04:23,530 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:04:23,530 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 07:04:23,530 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:04:23,531 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:04:23,531 INFO L82 PathProgramCache]: Analyzing trace with hash -1160952988, now seen corresponding path program 1 times [2018-11-07 07:04:23,531 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:04:23,532 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:04:23,532 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:04:23,532 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:04:23,533 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:04:23,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:04:23,740 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 52 proven. 15 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-07 07:04:23,740 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:04:23,741 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 07:04:23,741 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 161 with the following transitions: [2018-11-07 07:04:23,741 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [525], [527], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-07 07:04:23,748 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 07:04:23,748 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 07:04:23,957 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 07:04:23,957 INFO L272 AbstractInterpreter]: Visited 116 different actions 226 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-07 07:04:23,985 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:04:23,985 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 07:04:24,238 INFO L227 lantSequenceWeakener]: Weakened 157 states. On average, predicates are now at 81.76% of their original sizes. [2018-11-07 07:04:24,238 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 07:04:24,460 INFO L415 sIntCurrentIteration]: We unified 159 AI predicates to 159 [2018-11-07 07:04:24,460 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 07:04:24,461 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 07:04:24,461 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-07 07:04:24,461 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:04:24,462 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-07 07:04:24,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-07 07:04:24,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-07 07:04:24,463 INFO L87 Difference]: Start difference. First operand 2007 states and 2581 transitions. Second operand 10 states. [2018-11-07 07:04:31,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:04:31,313 INFO L93 Difference]: Finished difference Result 4013 states and 5229 transitions. [2018-11-07 07:04:31,313 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-07 07:04:31,313 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 160 [2018-11-07 07:04:31,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:04:31,324 INFO L225 Difference]: With dead ends: 4013 [2018-11-07 07:04:31,324 INFO L226 Difference]: Without dead ends: 2148 [2018-11-07 07:04:31,330 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 167 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-11-07 07:04:31,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2148 states. [2018-11-07 07:04:31,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2148 to 2145. [2018-11-07 07:04:31,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2145 states. [2018-11-07 07:04:31,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2145 states to 2145 states and 2735 transitions. [2018-11-07 07:04:31,394 INFO L78 Accepts]: Start accepts. Automaton has 2145 states and 2735 transitions. Word has length 160 [2018-11-07 07:04:31,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:04:31,394 INFO L480 AbstractCegarLoop]: Abstraction has 2145 states and 2735 transitions. [2018-11-07 07:04:31,395 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-07 07:04:31,395 INFO L276 IsEmpty]: Start isEmpty. Operand 2145 states and 2735 transitions. [2018-11-07 07:04:31,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-07 07:04:31,403 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:04:31,403 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 07:04:31,403 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:04:31,403 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:04:31,404 INFO L82 PathProgramCache]: Analyzing trace with hash -552748137, now seen corresponding path program 1 times [2018-11-07 07:04:31,404 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:04:31,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:04:31,405 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:04:31,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:04:31,405 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:04:31,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:04:31,654 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 66 proven. 14 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-07 07:04:31,654 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:04:31,654 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 07:04:31,655 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 173 with the following transitions: [2018-11-07 07:04:31,655 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [17], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [525], [527], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-07 07:04:31,660 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 07:04:31,660 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 07:04:31,938 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 07:04:31,938 INFO L272 AbstractInterpreter]: Visited 118 different actions 350 times. Merged at 7 different actions 20 times. Never widened. Found 4 fixpoints after 3 different actions. Largest state had 42 variables. [2018-11-07 07:04:31,975 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:04:31,976 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 07:04:31,976 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:04:31,976 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 07:04:31,987 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:04:31,987 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 07:04:32,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:04:32,123 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 07:04:32,485 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 62 proven. 2 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-07 07:04:32,485 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 07:04:33,566 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 66 proven. 14 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-07 07:04:33,587 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 07:04:33,588 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2018-11-07 07:04:33,588 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 07:04:33,589 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-07 07:04:33,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-07 07:04:33,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-11-07 07:04:33,589 INFO L87 Difference]: Start difference. First operand 2145 states and 2735 transitions. Second operand 8 states. [2018-11-07 07:04:38,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:04:38,774 INFO L93 Difference]: Finished difference Result 7093 states and 9671 transitions. [2018-11-07 07:04:38,774 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-07 07:04:38,774 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 172 [2018-11-07 07:04:38,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:04:38,793 INFO L225 Difference]: With dead ends: 7093 [2018-11-07 07:04:38,793 INFO L226 Difference]: Without dead ends: 2992 [2018-11-07 07:04:38,940 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 389 GetRequests, 359 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=215, Invalid=777, Unknown=0, NotChecked=0, Total=992 [2018-11-07 07:04:38,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2992 states. [2018-11-07 07:04:39,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2992 to 2951. [2018-11-07 07:04:39,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2951 states. [2018-11-07 07:04:39,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2951 states to 2951 states and 3486 transitions. [2018-11-07 07:04:39,025 INFO L78 Accepts]: Start accepts. Automaton has 2951 states and 3486 transitions. Word has length 172 [2018-11-07 07:04:39,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:04:39,026 INFO L480 AbstractCegarLoop]: Abstraction has 2951 states and 3486 transitions. [2018-11-07 07:04:39,026 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-07 07:04:39,026 INFO L276 IsEmpty]: Start isEmpty. Operand 2951 states and 3486 transitions. [2018-11-07 07:04:39,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-11-07 07:04:39,041 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:04:39,042 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 07:04:39,042 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:04:39,042 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:04:39,043 INFO L82 PathProgramCache]: Analyzing trace with hash -1543535280, now seen corresponding path program 1 times [2018-11-07 07:04:39,043 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:04:39,043 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:04:39,044 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:04:39,044 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:04:39,044 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:04:39,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:04:39,289 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 92 proven. 15 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-07 07:04:39,289 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:04:39,290 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 07:04:39,290 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 194 with the following transitions: [2018-11-07 07:04:39,290 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [525], [527], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-07 07:04:39,294 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 07:04:39,295 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 07:04:39,546 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 07:04:39,546 INFO L272 AbstractInterpreter]: Visited 116 different actions 226 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-07 07:04:39,587 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:04:39,587 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 07:04:39,864 INFO L227 lantSequenceWeakener]: Weakened 190 states. On average, predicates are now at 81.73% of their original sizes. [2018-11-07 07:04:39,864 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 07:04:40,363 INFO L415 sIntCurrentIteration]: We unified 192 AI predicates to 192 [2018-11-07 07:04:40,364 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 07:04:40,364 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 07:04:40,364 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-07 07:04:40,364 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:04:40,365 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-07 07:04:40,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-07 07:04:40,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-07 07:04:40,366 INFO L87 Difference]: Start difference. First operand 2951 states and 3486 transitions. Second operand 10 states. [2018-11-07 07:04:45,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:04:45,602 INFO L93 Difference]: Finished difference Result 6085 states and 7222 transitions. [2018-11-07 07:04:45,602 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-07 07:04:45,602 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 193 [2018-11-07 07:04:45,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:04:45,618 INFO L225 Difference]: With dead ends: 6085 [2018-11-07 07:04:45,618 INFO L226 Difference]: Without dead ends: 3414 [2018-11-07 07:04:45,627 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 201 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-11-07 07:04:45,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3414 states. [2018-11-07 07:04:45,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3414 to 3411. [2018-11-07 07:04:45,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3411 states. [2018-11-07 07:04:45,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3411 states to 3411 states and 3975 transitions. [2018-11-07 07:04:45,707 INFO L78 Accepts]: Start accepts. Automaton has 3411 states and 3975 transitions. Word has length 193 [2018-11-07 07:04:45,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:04:45,708 INFO L480 AbstractCegarLoop]: Abstraction has 3411 states and 3975 transitions. [2018-11-07 07:04:45,708 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-07 07:04:45,708 INFO L276 IsEmpty]: Start isEmpty. Operand 3411 states and 3975 transitions. [2018-11-07 07:04:45,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-11-07 07:04:45,718 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:04:45,719 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 07:04:45,719 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:04:45,719 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:04:45,719 INFO L82 PathProgramCache]: Analyzing trace with hash 1421736141, now seen corresponding path program 1 times [2018-11-07 07:04:45,720 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:04:45,720 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:04:45,721 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:04:45,721 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:04:45,721 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:04:45,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:04:46,152 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 90 proven. 44 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-07 07:04:46,153 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:04:46,153 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 07:04:46,153 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 203 with the following transitions: [2018-11-07 07:04:46,153 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [525], [527], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-07 07:04:46,157 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 07:04:46,157 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 07:04:46,577 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 07:04:46,577 INFO L272 AbstractInterpreter]: Visited 118 different actions 474 times. Merged at 9 different actions 38 times. Widened at 1 different actions 1 times. Found 8 fixpoints after 3 different actions. Largest state had 42 variables. [2018-11-07 07:04:46,587 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:04:46,587 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 07:04:46,587 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:04:46,587 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 07:04:46,597 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:04:46,598 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 07:04:46,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:04:46,711 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 07:04:46,799 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 108 proven. 2 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-07 07:04:46,799 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 07:04:47,150 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-11-07 07:04:47,585 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 96 proven. 36 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-07 07:04:47,606 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 07:04:47,606 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-11-07 07:04:47,606 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 07:04:47,607 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-07 07:04:47,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-07 07:04:47,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-11-07 07:04:47,608 INFO L87 Difference]: Start difference. First operand 3411 states and 3975 transitions. Second operand 11 states. [2018-11-07 07:04:50,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:04:50,924 INFO L93 Difference]: Finished difference Result 11091 states and 13843 transitions. [2018-11-07 07:04:50,924 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-07 07:04:50,924 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 202 [2018-11-07 07:04:50,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:04:50,961 INFO L225 Difference]: With dead ends: 11091 [2018-11-07 07:04:50,962 INFO L226 Difference]: Without dead ends: 8282 [2018-11-07 07:04:50,980 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 427 GetRequests, 407 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=111, Invalid=269, Unknown=0, NotChecked=0, Total=380 [2018-11-07 07:04:50,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8282 states. [2018-11-07 07:04:51,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8282 to 8259. [2018-11-07 07:04:51,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8259 states. [2018-11-07 07:04:51,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8259 states to 8259 states and 9902 transitions. [2018-11-07 07:04:51,199 INFO L78 Accepts]: Start accepts. Automaton has 8259 states and 9902 transitions. Word has length 202 [2018-11-07 07:04:51,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:04:51,199 INFO L480 AbstractCegarLoop]: Abstraction has 8259 states and 9902 transitions. [2018-11-07 07:04:51,199 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-07 07:04:51,199 INFO L276 IsEmpty]: Start isEmpty. Operand 8259 states and 9902 transitions. [2018-11-07 07:04:51,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-11-07 07:04:51,219 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:04:51,220 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 07:04:51,220 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:04:51,220 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:04:51,221 INFO L82 PathProgramCache]: Analyzing trace with hash 669212635, now seen corresponding path program 2 times [2018-11-07 07:04:51,221 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:04:51,222 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:04:51,222 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:04:51,222 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:04:51,222 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:04:51,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:04:52,089 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 90 proven. 46 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-07 07:04:52,089 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:04:52,089 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 07:04:52,089 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-11-07 07:04:52,090 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-11-07 07:04:52,090 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 07:04:52,090 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 07:04:52,100 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-07 07:04:52,100 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-11-07 07:04:52,185 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2018-11-07 07:04:52,185 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-07 07:04:52,192 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 07:04:52,310 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-11-07 07:04:52,310 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 07:04:52,398 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-11-07 07:04:52,419 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-07 07:04:52,419 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [9] total 10 [2018-11-07 07:04:52,419 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:04:52,420 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 07:04:52,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 07:04:52,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2018-11-07 07:04:52,420 INFO L87 Difference]: Start difference. First operand 8259 states and 9902 transitions. Second operand 3 states. [2018-11-07 07:04:53,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:04:53,637 INFO L93 Difference]: Finished difference Result 20240 states and 24655 transitions. [2018-11-07 07:04:53,639 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 07:04:53,639 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 202 [2018-11-07 07:04:53,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:04:53,640 INFO L225 Difference]: With dead ends: 20240 [2018-11-07 07:04:53,640 INFO L226 Difference]: Without dead ends: 0 [2018-11-07 07:04:53,693 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 413 GetRequests, 403 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2018-11-07 07:04:53,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-07 07:04:53,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-07 07:04:53,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-07 07:04:53,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-07 07:04:53,696 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 202 [2018-11-07 07:04:53,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:04:53,697 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-07 07:04:53,697 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 07:04:53,697 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-07 07:04:53,697 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-07 07:04:53,702 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-07 07:04:53,918 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:04:53,980 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:04:53,999 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:04:54,015 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:04:54,018 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:04:54,022 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:04:54,033 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:04:54,042 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:04:54,055 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:04:54,072 WARN L179 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 102 [2018-11-07 07:04:54,110 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:04:54,116 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:04:54,124 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:04:54,125 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:04:54,129 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:04:54,135 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:04:54,141 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:04:54,149 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-07 07:04:54,620 WARN L179 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 20 [2018-11-07 07:04:55,104 WARN L179 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 40 [2018-11-07 07:04:57,442 WARN L179 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 291 DAG size of output: 101 [2018-11-07 07:04:57,849 WARN L179 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 55 [2018-11-07 07:04:58,180 WARN L179 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 58 [2018-11-07 07:04:58,183 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-07 07:04:58,183 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a8~0 |old(~a8~0)|) (= ~a7~0 |old(~a7~0)|) (= |old(~a20~0)| ~a20~0) (= |old(~a16~0)| ~a16~0)) [2018-11-07 07:04:58,183 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-07 07:04:58,183 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-07 07:04:58,183 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-07 07:04:58,183 INFO L425 ceAbstractionStarter]: For program point L565(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:04:58,184 INFO L425 ceAbstractionStarter]: For program point L532(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:04:58,184 INFO L425 ceAbstractionStarter]: For program point L499(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:04:58,184 INFO L425 ceAbstractionStarter]: For program point L466(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:04:58,184 INFO L425 ceAbstractionStarter]: For program point L433(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:04:58,184 INFO L425 ceAbstractionStarter]: For program point L400(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:04:58,184 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-07 07:04:58,184 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-07 07:04:58,184 INFO L425 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-07 07:04:58,184 INFO L425 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-07 07:04:58,185 INFO L425 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-07 07:04:58,185 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-07 07:04:58,185 INFO L425 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-07 07:04:58,185 INFO L425 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-07 07:04:58,185 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-07 07:04:58,185 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-07 07:04:58,185 INFO L425 ceAbstractionStarter]: For program point L568(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:04:58,185 INFO L425 ceAbstractionStarter]: For program point L535(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:04:58,185 INFO L425 ceAbstractionStarter]: For program point L502(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:04:58,185 INFO L425 ceAbstractionStarter]: For program point L469(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:04:58,185 INFO L425 ceAbstractionStarter]: For program point L436(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:04:58,185 INFO L425 ceAbstractionStarter]: For program point L403(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:04:58,186 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-07 07:04:58,186 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-07 07:04:58,186 INFO L425 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-07 07:04:58,186 INFO L425 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-07 07:04:58,186 INFO L425 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-07 07:04:58,186 INFO L425 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-07 07:04:58,186 INFO L425 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-07 07:04:58,186 INFO L425 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-07 07:04:58,186 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-07 07:04:58,186 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-07 07:04:58,187 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-07 07:04:58,187 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-07 07:04:58,187 INFO L425 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-07 07:04:58,187 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-07 07:04:58,187 INFO L425 ceAbstractionStarter]: For program point L571(lines 571 573) no Hoare annotation was computed. [2018-11-07 07:04:58,187 INFO L425 ceAbstractionStarter]: For program point L538(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:04:58,187 INFO L425 ceAbstractionStarter]: For program point L505(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:04:58,187 INFO L425 ceAbstractionStarter]: For program point L472(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:04:58,187 INFO L425 ceAbstractionStarter]: For program point L439(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:04:58,187 INFO L425 ceAbstractionStarter]: For program point L406(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:04:58,187 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-07 07:04:58,187 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-07 07:04:58,187 INFO L425 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-07 07:04:58,187 INFO L425 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-07 07:04:58,188 INFO L425 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-07 07:04:58,188 INFO L425 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-07 07:04:58,188 INFO L425 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-07 07:04:58,188 INFO L425 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-07 07:04:58,188 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-07 07:04:58,188 INFO L425 ceAbstractionStarter]: For program point L541(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:04:58,188 INFO L425 ceAbstractionStarter]: For program point L508(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:04:58,188 INFO L425 ceAbstractionStarter]: For program point L475(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:04:58,188 INFO L425 ceAbstractionStarter]: For program point L442(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:04:58,188 INFO L425 ceAbstractionStarter]: For program point L409(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:04:58,188 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-07 07:04:58,188 INFO L425 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-07 07:04:58,189 INFO L425 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-07 07:04:58,189 INFO L425 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-07 07:04:58,189 INFO L425 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-07 07:04:58,189 INFO L425 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-07 07:04:58,189 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-07 07:04:58,189 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-07 07:04:58,189 INFO L425 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-07 07:04:58,189 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-07 07:04:58,190 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-07 07:04:58,190 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-07 07:04:58,190 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-07 07:04:58,190 INFO L425 ceAbstractionStarter]: For program point L544(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:04:58,190 INFO L425 ceAbstractionStarter]: For program point L511(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:04:58,190 INFO L425 ceAbstractionStarter]: For program point L478(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:04:58,190 INFO L425 ceAbstractionStarter]: For program point L445(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:04:58,190 INFO L425 ceAbstractionStarter]: For program point L412(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:04:58,190 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-07 07:04:58,191 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-07 07:04:58,191 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-07 07:04:58,191 INFO L425 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-07 07:04:58,191 INFO L425 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-07 07:04:58,191 INFO L425 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-07 07:04:58,191 INFO L425 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-07 07:04:58,191 INFO L425 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-07 07:04:58,191 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-07 07:04:58,191 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:04:58,192 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:04:58,192 INFO L425 ceAbstractionStarter]: For program point L547(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:04:58,192 INFO L425 ceAbstractionStarter]: For program point L514(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:04:58,192 INFO L425 ceAbstractionStarter]: For program point L481(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:04:58,192 INFO L425 ceAbstractionStarter]: For program point L448(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:04:58,192 INFO L425 ceAbstractionStarter]: For program point L415(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:04:58,192 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-07 07:04:58,192 INFO L425 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-07 07:04:58,192 INFO L425 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-07 07:04:58,192 INFO L425 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-07 07:04:58,192 INFO L425 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-07 07:04:58,192 INFO L425 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-07 07:04:58,192 INFO L425 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-07 07:04:58,192 INFO L425 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-07 07:04:58,193 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-07 07:04:58,193 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-07 07:04:58,193 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-07 07:04:58,193 INFO L425 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-07 07:04:58,193 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-07 07:04:58,193 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-07 07:04:58,193 INFO L425 ceAbstractionStarter]: For program point L550(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:04:58,193 INFO L425 ceAbstractionStarter]: For program point L517(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:04:58,193 INFO L425 ceAbstractionStarter]: For program point L484(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:04:58,193 INFO L425 ceAbstractionStarter]: For program point L451(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:04:58,193 INFO L425 ceAbstractionStarter]: For program point L418(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:04:58,193 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-07 07:04:58,193 INFO L425 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-07 07:04:58,193 INFO L425 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-07 07:04:58,194 INFO L425 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-07 07:04:58,194 INFO L425 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-07 07:04:58,194 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-07 07:04:58,194 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-07 07:04:58,194 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-07 07:04:58,194 INFO L425 ceAbstractionStarter]: For program point L553(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:04:58,194 INFO L425 ceAbstractionStarter]: For program point L520(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:04:58,194 INFO L425 ceAbstractionStarter]: For program point L454(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:04:58,194 INFO L425 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:04:58,194 INFO L425 ceAbstractionStarter]: For program point L421(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:04:58,194 INFO L425 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-07 07:04:58,194 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-07 07:04:58,194 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-07 07:04:58,194 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-07 07:04:58,195 INFO L425 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-07 07:04:58,195 INFO L425 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-07 07:04:58,195 INFO L425 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-07 07:04:58,195 INFO L425 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-07 07:04:58,195 INFO L425 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-07 07:04:58,195 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-07 07:04:58,195 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 488) no Hoare annotation was computed. [2018-11-07 07:04:58,195 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse21 (= 1 |old(~a20~0)|))) (let ((.cse16 (= ~a17~0 1)) (.cse14 (<= ~a17~0 0)) (.cse10 (not (= 1 |old(~a7~0)|))) (.cse15 (< 0 |old(~a17~0)|)) (.cse17 (= ~a21~0 1)) (.cse18 (not (= 0 |old(~a7~0)|))) (.cse19 (not (= 15 |old(~a8~0)|))) (.cse8 (= ~a8~0 13)) (.cse7 (= 13 |old(~a8~0)|)) (.cse0 (= 6 |old(~a16~0)|)) (.cse13 (= |old(~a20~0)| ~a20~0)) (.cse5 (not (= 1 |old(~a21~0)|))) (.cse1 (< 13 |old(~a8~0)|)) (.cse6 (not .cse21)) (.cse20 (= 0 |old(~a16~0)|)) (.cse9 (not (= 8 ~a12~0))) (.cse2 (<= ~a8~0 13)) (.cse3 (= ~a7~0 |old(~a7~0)|)) (.cse4 (= |old(~a16~0)| ~a16~0)) (.cse11 (= |calculate_output_#in~input| 0)) (.cse12 (not (= 1 |old(~a17~0)|)))) (and (or .cse0 .cse1 (and .cse2 .cse3 .cse4)) (or (or .cse5 .cse6 (not (= 4 |old(~a16~0)|)) (not .cse7)) .cse8 .cse9 .cse10 .cse11 .cse12) (or .cse1 (< |old(~a20~0)| 1) .cse10 (and .cse2 (= 1 ~a7~0) .cse13 .cse4 .cse14) .cse15) (or .cse11 (and .cse16 .cse17) (or .cse18 .cse5 .cse19 (not (= 0 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) .cse9 .cse12)) (or .cse0 .cse18 .cse5 .cse9 .cse15 .cse11 .cse6 .cse19 .cse17 .cse20) (or .cse5 .cse6 .cse20 .cse9 .cse11 (and (not (= ~a8~0 0)) .cse16 .cse17) (= 0 |old(~a8~0)|) .cse12) (or .cse7 .cse14 .cse15) (or .cse0 .cse15 .cse14) (or .cse0 .cse10 .cse13) (or .cse0 .cse15 .cse13) (or (<= 15 ~a8~0) (< |old(~a8~0)| 15)) (or (and .cse17 (= ~a17~0 0)) .cse11 (or (not .cse0) .cse18 .cse5 .cse6 .cse19 (not (= 0 |old(~a17~0)|)) .cse9)) (or (and (<= ~a8~0 |old(~a8~0)|) .cse3 .cse13 .cse4 (not .cse8)) .cse7) (or .cse0 .cse13 .cse21) (or .cse5 .cse1 .cse6 .cse20 .cse9 (and .cse2 .cse3 .cse4 (= ~a20~0 1)) .cse11 .cse12)))) [2018-11-07 07:04:58,196 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-07 07:04:58,196 INFO L425 ceAbstractionStarter]: For program point L556(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:04:58,196 INFO L425 ceAbstractionStarter]: For program point L523(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:04:58,196 INFO L425 ceAbstractionStarter]: For program point L490(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:04:58,196 INFO L425 ceAbstractionStarter]: For program point L457(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:04:58,196 INFO L425 ceAbstractionStarter]: For program point L424(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:04:58,196 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-07 07:04:58,196 INFO L425 ceAbstractionStarter]: For program point L391-1(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:04:58,196 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-07 07:04:58,196 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-07 07:04:58,196 INFO L425 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-07 07:04:58,196 INFO L425 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-07 07:04:58,196 INFO L425 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-07 07:04:58,197 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-07 07:04:58,197 INFO L425 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-07 07:04:58,197 INFO L425 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-07 07:04:58,197 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-07 07:04:58,197 INFO L425 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-07 07:04:58,197 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-07 07:04:58,197 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-07 07:04:58,197 INFO L425 ceAbstractionStarter]: For program point L559(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:04:58,197 INFO L425 ceAbstractionStarter]: For program point L526(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:04:58,197 INFO L425 ceAbstractionStarter]: For program point L493(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:04:58,197 INFO L425 ceAbstractionStarter]: For program point L460(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:04:58,197 INFO L425 ceAbstractionStarter]: For program point L427(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:04:58,197 INFO L425 ceAbstractionStarter]: For program point L394(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:04:58,197 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-07 07:04:58,198 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-07 07:04:58,198 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-07 07:04:58,198 INFO L425 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-07 07:04:58,198 INFO L425 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-07 07:04:58,198 INFO L425 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-07 07:04:58,198 INFO L425 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-07 07:04:58,198 INFO L425 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-07 07:04:58,198 INFO L425 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-07 07:04:58,198 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-07 07:04:58,198 INFO L425 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-07 07:04:58,198 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-07 07:04:58,198 INFO L425 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-07 07:04:58,198 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-07 07:04:58,198 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-07 07:04:58,199 INFO L425 ceAbstractionStarter]: For program point L562(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:04:58,199 INFO L425 ceAbstractionStarter]: For program point L529(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:04:58,199 INFO L425 ceAbstractionStarter]: For program point L496(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:04:58,199 INFO L425 ceAbstractionStarter]: For program point L463(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:04:58,199 INFO L425 ceAbstractionStarter]: For program point L430(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:04:58,199 INFO L425 ceAbstractionStarter]: For program point L397(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:04:58,199 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-07 07:04:58,199 INFO L425 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-07 07:04:58,199 INFO L425 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-07 07:04:58,199 INFO L425 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-07 07:04:58,199 INFO L425 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-07 07:04:58,199 INFO L425 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-07 07:04:58,199 INFO L425 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-07 07:04:58,199 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-07 07:04:58,200 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-07 07:04:58,200 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-07 07:04:58,200 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-07 07:04:58,200 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a7~0 0) (= ~a8~0 15) (= ~a17~0 1) (= ~a12~0 8) (= ~a21~0 1) (= ~a20~0 1) (= ~a16~0 5)) [2018-11-07 07:04:58,200 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-07 07:04:58,200 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-07 07:04:58,200 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a21~0)|)) (not (= 1 |old(~a20~0)|)) (not (= 15 |old(~a8~0)|)) (not (= 5 |old(~a16~0)|)) (not (= 8 ~a12~0)) (and (= ~a8~0 15) (= ~a17~0 1) (= ~a21~0 1) (= ~a7~0 |old(~a7~0)|) (= ~a20~0 1) (= ~a16~0 5)) (not (= 1 |old(~a17~0)|))) [2018-11-07 07:04:58,200 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-07 07:04:58,200 INFO L421 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (= ~a20~0 1)) (.cse1 (= 1 ~a7~0)) (.cse2 (<= ~a17~0 0)) (.cse3 (not (= ~a16~0 6)))) (or (not (= 1 |old(~a21~0)|)) (not (= ~a8~0 13)) (not (= 8 ~a12~0)) (and (not (= ~a16~0 0)) (not (= main_~input~0 0)) (= ~a17~0 1) (= ~a21~0 1) .cse0) (not (= 1 |old(~a20~0)|)) (and .cse1 .cse2 (<= 1 ~a20~0)) (not (= 5 |old(~a16~0)|)) (and (not .cse0) .cse3) (not (= 0 |old(~a7~0)|)) (and .cse1 .cse3) (and .cse3 .cse2) (and (= ~a7~0 |old(~a7~0)|) .cse3) (not (= 1 |old(~a17~0)|)) (not (= 15 |old(~a8~0)|)))) [2018-11-07 07:04:58,200 INFO L425 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-07 07:04:58,200 INFO L425 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-07 07:04:58,201 INFO L425 ceAbstractionStarter]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2018-11-07 07:04:58,201 INFO L421 ceAbstractionStarter]: At program point L583-3(lines 583 593) the Hoare annotation is: (let ((.cse0 (= ~a20~0 1)) (.cse1 (= 1 ~a7~0)) (.cse2 (<= ~a17~0 0)) (.cse3 (not (= ~a16~0 6)))) (or (not (= 1 |old(~a21~0)|)) (not (= ~a8~0 13)) (not (= 8 ~a12~0)) (and (not (= ~a16~0 0)) (= ~a17~0 1) (= ~a21~0 1) .cse0) (not (= 1 |old(~a20~0)|)) (and .cse1 .cse2 (<= 1 ~a20~0)) (not (= 5 |old(~a16~0)|)) (and (not .cse0) .cse3) (not (= 0 |old(~a7~0)|)) (and .cse1 .cse3) (and .cse3 .cse2) (and (= ~a7~0 |old(~a7~0)|) .cse3) (not (= 1 |old(~a17~0)|)) (not (= 15 |old(~a8~0)|)))) [2018-11-07 07:04:58,201 INFO L425 ceAbstractionStarter]: For program point L583-4(lines 577 594) no Hoare annotation was computed. [2018-11-07 07:04:58,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 07:04:58 BoogieIcfgContainer [2018-11-07 07:04:58,215 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 07:04:58,216 INFO L168 Benchmark]: Toolchain (without parser) took 57389.62 ms. Allocated memory was 1.5 GB in the beginning and 3.2 GB in the end (delta: 1.6 GB). Free memory was 1.4 GB in the beginning and 2.7 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2018-11-07 07:04:58,217 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 07:04:58,217 INFO L168 Benchmark]: CACSL2BoogieTranslator took 796.03 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-11-07 07:04:58,218 INFO L168 Benchmark]: Boogie Procedure Inliner took 139.53 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 749.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -839.8 MB). Peak memory consumption was 18.9 MB. Max. memory is 7.1 GB. [2018-11-07 07:04:58,219 INFO L168 Benchmark]: Boogie Preprocessor took 93.64 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. [2018-11-07 07:04:58,220 INFO L168 Benchmark]: RCFGBuilder took 3074.97 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 117.6 MB). Peak memory consumption was 117.6 MB. Max. memory is 7.1 GB. [2018-11-07 07:04:58,220 INFO L168 Benchmark]: TraceAbstraction took 53279.73 ms. Allocated memory was 2.3 GB in the beginning and 3.2 GB in the end (delta: 887.6 MB). Free memory was 2.1 GB in the beginning and 2.7 GB in the end (delta: -537.0 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2018-11-07 07:04:58,226 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 796.03 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 139.53 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 749.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -839.8 MB). Peak memory consumption was 18.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 93.64 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3074.97 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 117.6 MB). Peak memory consumption was 117.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 53279.73 ms. Allocated memory was 2.3 GB in the beginning and 3.2 GB in the end (delta: 887.6 MB). Free memory was 2.1 GB in the beginning and 2.7 GB in the end (delta: -537.0 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 488]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((((((((((!(1 == \old(a21)) || !(a8 == 13)) || !(8 == a12)) || (((!(a16 == 0) && a17 == 1) && a21 == 1) && a20 == 1)) || !(1 == \old(a20))) || ((1 == a7 && a17 <= 0) && 1 <= a20)) || !(5 == \old(a16))) || (!(a20 == 1) && !(a16 == 6))) || !(0 == \old(a7))) || (1 == a7 && !(a16 == 6))) || (!(a16 == 6) && a17 <= 0)) || (a7 == \old(a7) && !(a16 == 6))) || !(1 == \old(a17))) || !(15 == \old(a8)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. SAFE Result, 53.1s OverallTime, 8 OverallIterations, 5 TraceHistogramMax, 36.7s AutomataDifference, 0.0s DeadEndRemovalTime, 4.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 1236 SDtfs, 8349 SDslu, 1723 SDs, 0 SdLazy, 10334 SolverSat, 2099 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.4s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 1769 GetRequests, 1647 SyntacticMatches, 7 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 408 ImplicationChecksByTransitivity, 6.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8259occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.3s AbstIntTime, 5 AbstIntIterations, 3 AbstIntStrong, 0.996903532767045 AbsIntWeakeningRatio, 0.23541247484909456 AbsIntAvgWeakeningVarsNumRemoved, 28.48692152917505 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 8 MinimizatonAttempts, 117 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 231 PreInvPairs, 439 NumberOfFragments, 633 HoareAnnotationTreeSize, 231 FomulaSimplifications, 8574 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 5911 FormulaSimplificationTreeSizeReductionInter, 3.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 5.5s InterpolantComputationTime, 1885 NumberOfCodeBlocks, 1818 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2447 ConstructedInterpolants, 0 QuantifiedInterpolants, 841849 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1514 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 14 InterpolantComputations, 4 PerfectInterpolantSequences, 1383/1573 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...