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_label00_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 07:02:37,024 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 07:02:37,027 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 07:02:37,043 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 07:02:37,043 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 07:02:37,045 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 07:02:37,046 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 07:02:37,049 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 07:02:37,051 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 07:02:37,053 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 07:02:37,053 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 07:02:37,054 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 07:02:37,055 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 07:02:37,056 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 07:02:37,057 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 07:02:37,057 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 07:02:37,058 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 07:02:37,061 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 07:02:37,063 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 07:02:37,068 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 07:02:37,069 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 07:02:37,071 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 07:02:37,073 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 07:02:37,073 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 07:02:37,073 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 07:02:37,074 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 07:02:37,075 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 07:02:37,076 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 07:02:37,076 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 07:02:37,077 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 07:02:37,078 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 07:02:37,078 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-11-07 07:02:37,081 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 07:02:37,098 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 07:02:37,098 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 07:02:37,099 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 07:02:37,099 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 07:02:37,099 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 07:02:37,099 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 07:02:37,100 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-07 07:02:37,100 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 07:02:37,100 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 07:02:37,100 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 07:02:37,100 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 07:02:37,101 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 07:02:37,101 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 07:02:37,101 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-07 07:02:37,102 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 07:02:37,102 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 07:02:37,102 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 07:02:37,102 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 07:02:37,102 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 07:02:37,103 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 07:02:37,103 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 07:02:37,103 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 07:02:37,103 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 07:02:37,103 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 07:02:37,103 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 07:02:37,104 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 07:02:37,104 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 07:02:37,104 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 07:02:37,104 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 07:02:37,104 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 07:02:37,105 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 07:02:37,105 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 07:02:37,105 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 07:02:37,105 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 07:02:37,105 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 07:02:37,106 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 07:02:37,153 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 07:02:37,168 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 07:02:37,172 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 07:02:37,174 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 07:02:37,175 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 07:02:37,175 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label00_true-unreach-call_false-termination.c [2018-11-07 07:02:37,240 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ea11b36b/6dd070350c1f42cc85c46181866481fe/FLAG4c9e40d4e [2018-11-07 07:02:37,816 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 07:02:37,817 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label00_true-unreach-call_false-termination.c [2018-11-07 07:02:37,832 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ea11b36b/6dd070350c1f42cc85c46181866481fe/FLAG4c9e40d4e [2018-11-07 07:02:37,853 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ea11b36b/6dd070350c1f42cc85c46181866481fe [2018-11-07 07:02:37,866 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 07:02:37,867 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 07:02:37,868 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 07:02:37,869 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 07:02:37,877 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 07:02:37,878 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:02:37" (1/1) ... [2018-11-07 07:02:37,882 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@505879b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:02:37, skipping insertion in model container [2018-11-07 07:02:37,883 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:02:37" (1/1) ... [2018-11-07 07:02:37,893 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 07:02:37,952 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 07:02:38,457 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 07:02:38,462 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 07:02:38,595 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 07:02:38,612 INFO L193 MainTranslator]: Completed translation [2018-11-07 07:02:38,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:02:38 WrapperNode [2018-11-07 07:02:38,613 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 07:02:38,614 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 07:02:38,614 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 07:02:38,614 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 07:02:38,621 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:02:38" (1/1) ... [2018-11-07 07:02:38,727 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:02:38" (1/1) ... [2018-11-07 07:02:38,736 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 07:02:38,736 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 07:02:38,736 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 07:02:38,736 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 07:02:38,749 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:02:38" (1/1) ... [2018-11-07 07:02:38,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:02:38" (1/1) ... [2018-11-07 07:02:38,754 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:02:38" (1/1) ... [2018-11-07 07:02:38,755 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:02:38" (1/1) ... [2018-11-07 07:02:38,799 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:02:38" (1/1) ... [2018-11-07 07:02:38,814 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:02:38" (1/1) ... [2018-11-07 07:02:38,823 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:02:38" (1/1) ... [2018-11-07 07:02:38,836 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 07:02:38,836 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 07:02:38,837 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 07:02:38,837 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 07:02:38,838 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:02:38" (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 07:02:38,904 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 07:02:38,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 07:02:38,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 07:02:38,904 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 07:02:38,905 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 07:02:38,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 07:02:38,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 07:02:38,905 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 07:02:38,905 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 07:02:42,169 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 07:02:42,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:02:42 BoogieIcfgContainer [2018-11-07 07:02:42,170 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 07:02:42,172 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 07:02:42,172 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 07:02:42,175 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 07:02:42,175 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 07:02:37" (1/3) ... [2018-11-07 07:02:42,176 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47059031 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:02:42, skipping insertion in model container [2018-11-07 07:02:42,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:02:38" (2/3) ... [2018-11-07 07:02:42,177 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47059031 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:02:42, skipping insertion in model container [2018-11-07 07:02:42,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:02:42" (3/3) ... [2018-11-07 07:02:42,179 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label00_true-unreach-call_false-termination.c [2018-11-07 07:02:42,189 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 07:02:42,197 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 07:02:42,215 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 07:02:42,252 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 07:02:42,252 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 07:02:42,252 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 07:02:42,252 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 07:02:42,253 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 07:02:42,253 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 07:02:42,253 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 07:02:42,254 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 07:02:42,279 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-11-07 07:02:42,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-11-07 07:02:42,293 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:02:42,294 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, 1, 1, 1, 1] [2018-11-07 07:02:42,297 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:02:42,303 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:02:42,303 INFO L82 PathProgramCache]: Analyzing trace with hash 215974525, now seen corresponding path program 1 times [2018-11-07 07:02:42,306 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:02:42,362 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:02:42,362 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:02:42,362 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:02:42,362 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:02:42,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:02:42,915 WARN L179 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 07:02:43,033 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 07:02:43,035 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 07:02:43,036 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 07:02:43,037 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:02:43,047 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 07:02:43,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 07:02:43,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 07:02:43,067 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 3 states. [2018-11-07 07:02:44,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:02:44,504 INFO L93 Difference]: Finished difference Result 550 states and 941 transitions. [2018-11-07 07:02:44,506 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 07:02:44,507 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 115 [2018-11-07 07:02:44,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:02:44,525 INFO L225 Difference]: With dead ends: 550 [2018-11-07 07:02:44,525 INFO L226 Difference]: Without dead ends: 340 [2018-11-07 07:02:44,532 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 07:02:44,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-11-07 07:02:44,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2018-11-07 07:02:44,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-11-07 07:02:44,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 541 transitions. [2018-11-07 07:02:44,622 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 541 transitions. Word has length 115 [2018-11-07 07:02:44,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:02:44,623 INFO L480 AbstractCegarLoop]: Abstraction has 340 states and 541 transitions. [2018-11-07 07:02:44,623 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 07:02:44,623 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 541 transitions. [2018-11-07 07:02:44,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-11-07 07:02:44,630 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:02:44,630 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, 1, 1, 1, 1] [2018-11-07 07:02:44,630 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:02:44,631 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:02:44,631 INFO L82 PathProgramCache]: Analyzing trace with hash 1880148542, now seen corresponding path program 1 times [2018-11-07 07:02:44,631 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:02:44,633 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:02:44,633 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:02:44,633 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:02:44,633 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:02:44,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:02:44,843 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 07:02:44,843 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 07:02:44,843 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 07:02:44,844 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:02:44,846 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 07:02:44,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 07:02:44,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 07:02:44,847 INFO L87 Difference]: Start difference. First operand 340 states and 541 transitions. Second operand 6 states. [2018-11-07 07:02:46,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:02:46,767 INFO L93 Difference]: Finished difference Result 1075 states and 1784 transitions. [2018-11-07 07:02:46,771 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 07:02:46,771 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 126 [2018-11-07 07:02:46,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:02:46,782 INFO L225 Difference]: With dead ends: 1075 [2018-11-07 07:02:46,783 INFO L226 Difference]: Without dead ends: 741 [2018-11-07 07:02:46,787 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 07:02:46,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2018-11-07 07:02:46,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 724. [2018-11-07 07:02:46,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 724 states. [2018-11-07 07:02:46,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 724 states and 1120 transitions. [2018-11-07 07:02:46,858 INFO L78 Accepts]: Start accepts. Automaton has 724 states and 1120 transitions. Word has length 126 [2018-11-07 07:02:46,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:02:46,858 INFO L480 AbstractCegarLoop]: Abstraction has 724 states and 1120 transitions. [2018-11-07 07:02:46,858 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 07:02:46,859 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 1120 transitions. [2018-11-07 07:02:46,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-07 07:02:46,869 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:02:46,870 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 07:02:46,870 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:02:46,870 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:02:46,871 INFO L82 PathProgramCache]: Analyzing trace with hash -617109654, now seen corresponding path program 1 times [2018-11-07 07:02:46,871 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:02:46,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:02:46,872 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:02:46,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:02:46,872 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:02:46,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:02:47,321 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 07:02:47,322 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 07:02:47,322 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-07 07:02:47,322 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:02:47,323 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-07 07:02:47,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-07 07:02:47,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-07 07:02:47,324 INFO L87 Difference]: Start difference. First operand 724 states and 1120 transitions. Second operand 5 states. [2018-11-07 07:02:49,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:02:49,314 INFO L93 Difference]: Finished difference Result 1578 states and 2483 transitions. [2018-11-07 07:02:49,315 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 07:02:49,315 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 127 [2018-11-07 07:02:49,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:02:49,324 INFO L225 Difference]: With dead ends: 1578 [2018-11-07 07:02:49,324 INFO L226 Difference]: Without dead ends: 721 [2018-11-07 07:02:49,329 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-07 07:02:49,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2018-11-07 07:02:49,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 721. [2018-11-07 07:02:49,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 721 states. [2018-11-07 07:02:49,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 721 states and 1044 transitions. [2018-11-07 07:02:49,364 INFO L78 Accepts]: Start accepts. Automaton has 721 states and 1044 transitions. Word has length 127 [2018-11-07 07:02:49,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:02:49,365 INFO L480 AbstractCegarLoop]: Abstraction has 721 states and 1044 transitions. [2018-11-07 07:02:49,365 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-07 07:02:49,365 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 1044 transitions. [2018-11-07 07:02:49,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-07 07:02:49,369 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:02:49,369 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 07:02:49,371 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:02:49,371 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:02:49,371 INFO L82 PathProgramCache]: Analyzing trace with hash -1374839438, now seen corresponding path program 1 times [2018-11-07 07:02:49,371 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:02:49,372 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:02:49,373 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:02:49,373 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:02:49,373 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:02:49,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:02:49,680 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 07:02:49,680 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 07:02:49,681 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 07:02:49,681 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:02:49,682 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 07:02:49,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 07:02:49,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 07:02:49,682 INFO L87 Difference]: Start difference. First operand 721 states and 1044 transitions. Second operand 3 states. [2018-11-07 07:02:50,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:02:50,989 INFO L93 Difference]: Finished difference Result 1514 states and 2242 transitions. [2018-11-07 07:02:50,999 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 07:02:50,999 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 131 [2018-11-07 07:02:51,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:02:51,004 INFO L225 Difference]: With dead ends: 1514 [2018-11-07 07:02:51,004 INFO L226 Difference]: Without dead ends: 799 [2018-11-07 07:02:51,007 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 07:02:51,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 799 states. [2018-11-07 07:02:51,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 799 to 796. [2018-11-07 07:02:51,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 796 states. [2018-11-07 07:02:51,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 796 states and 1050 transitions. [2018-11-07 07:02:51,034 INFO L78 Accepts]: Start accepts. Automaton has 796 states and 1050 transitions. Word has length 131 [2018-11-07 07:02:51,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:02:51,035 INFO L480 AbstractCegarLoop]: Abstraction has 796 states and 1050 transitions. [2018-11-07 07:02:51,035 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 07:02:51,035 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 1050 transitions. [2018-11-07 07:02:51,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-07 07:02:51,039 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 07:02:51,039 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 07:02:51,039 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 07:02:51,039 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 07:02:51,040 INFO L82 PathProgramCache]: Analyzing trace with hash 503663726, now seen corresponding path program 1 times [2018-11-07 07:02:51,040 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 07:02:51,041 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:02:51,041 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 07:02:51,041 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 07:02:51,041 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 07:02:51,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 07:02:51,276 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 07:02:51,277 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 07:02:51,277 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 07:02:51,277 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 07:02:51,277 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 07:02:51,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 07:02:51,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 07:02:51,278 INFO L87 Difference]: Start difference. First operand 796 states and 1050 transitions. Second operand 3 states. [2018-11-07 07:02:52,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 07:02:52,001 INFO L93 Difference]: Finished difference Result 2029 states and 2714 transitions. [2018-11-07 07:02:52,006 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 07:02:52,006 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 150 [2018-11-07 07:02:52,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 07:02:52,007 INFO L225 Difference]: With dead ends: 2029 [2018-11-07 07:02:52,009 INFO L226 Difference]: Without dead ends: 0 [2018-11-07 07:02:52,014 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 07:02:52,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-07 07:02:52,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-07 07:02:52,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-07 07:02:52,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-07 07:02:52,016 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 150 [2018-11-07 07:02:52,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 07:02:52,016 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-07 07:02:52,016 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 07:02:52,016 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-07 07:02:52,016 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-07 07:02:52,021 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-07 07:02:52,466 WARN L179 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 57 [2018-11-07 07:02:52,832 WARN L179 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 34 [2018-11-07 07:02:53,069 WARN L179 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 34 [2018-11-07 07:02:53,072 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-07 07:02:53,073 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~a16~0)| ~a16~0) [2018-11-07 07:02:53,073 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-07 07:02:53,073 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-07 07:02:53,073 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-07 07:02:53,073 INFO L425 ceAbstractionStarter]: For program point L565(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:02:53,073 INFO L425 ceAbstractionStarter]: For program point L532(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:02:53,074 INFO L425 ceAbstractionStarter]: For program point L466(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:02:53,074 INFO L425 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:02:53,074 INFO L425 ceAbstractionStarter]: For program point L433(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:02:53,074 INFO L425 ceAbstractionStarter]: For program point L400(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:02:53,074 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-07 07:02:53,074 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-07 07:02:53,074 INFO L425 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-07 07:02:53,074 INFO L425 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-07 07:02:53,074 INFO L425 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-07 07:02:53,075 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-07 07:02:53,075 INFO L425 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-07 07:02:53,075 INFO L425 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-07 07:02:53,075 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-07 07:02:53,075 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-07 07:02:53,075 INFO L425 ceAbstractionStarter]: For program point L568(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:02:53,075 INFO L425 ceAbstractionStarter]: For program point L535(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:02:53,075 INFO L425 ceAbstractionStarter]: For program point L502(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:02:53,075 INFO L425 ceAbstractionStarter]: For program point L469(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:02:53,076 INFO L425 ceAbstractionStarter]: For program point L436(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:02:53,076 INFO L425 ceAbstractionStarter]: For program point L403(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:02:53,076 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-07 07:02:53,076 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-07 07:02:53,076 INFO L425 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-07 07:02:53,076 INFO L425 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-07 07:02:53,076 INFO L425 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-07 07:02:53,076 INFO L425 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-07 07:02:53,076 INFO L425 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-07 07:02:53,076 INFO L425 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-07 07:02:53,077 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-07 07:02:53,077 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-07 07:02:53,077 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-07 07:02:53,077 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-07 07:02:53,077 INFO L425 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-07 07:02:53,077 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-07 07:02:53,077 INFO L425 ceAbstractionStarter]: For program point L571(lines 571 573) no Hoare annotation was computed. [2018-11-07 07:02:53,078 INFO L425 ceAbstractionStarter]: For program point L538(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:02:53,078 INFO L425 ceAbstractionStarter]: For program point L505(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:02:53,078 INFO L425 ceAbstractionStarter]: For program point L472(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:02:53,078 INFO L425 ceAbstractionStarter]: For program point L439(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:02:53,078 INFO L425 ceAbstractionStarter]: For program point L406(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:02:53,078 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-07 07:02:53,078 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-07 07:02:53,080 INFO L425 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-07 07:02:53,080 INFO L425 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-07 07:02:53,080 INFO L425 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-07 07:02:53,081 INFO L425 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-07 07:02:53,081 INFO L425 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-07 07:02:53,081 INFO L425 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-07 07:02:53,081 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-07 07:02:53,081 INFO L425 ceAbstractionStarter]: For program point L541(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:02:53,081 INFO L425 ceAbstractionStarter]: For program point L508(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:02:53,081 INFO L425 ceAbstractionStarter]: For program point L475(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:02:53,081 INFO L425 ceAbstractionStarter]: For program point L442(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:02:53,082 INFO L425 ceAbstractionStarter]: For program point L409(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:02:53,082 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-07 07:02:53,082 INFO L425 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-07 07:02:53,082 INFO L425 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-07 07:02:53,083 INFO L425 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-07 07:02:53,083 INFO L425 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-07 07:02:53,083 INFO L425 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-07 07:02:53,083 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-07 07:02:53,083 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-07 07:02:53,083 INFO L425 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-07 07:02:53,083 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-07 07:02:53,083 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-07 07:02:53,084 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-07 07:02:53,084 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-07 07:02:53,084 INFO L425 ceAbstractionStarter]: For program point L544(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:02:53,084 INFO L425 ceAbstractionStarter]: For program point L511(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:02:53,084 INFO L425 ceAbstractionStarter]: For program point L478(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:02:53,084 INFO L425 ceAbstractionStarter]: For program point L445(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:02:53,084 INFO L425 ceAbstractionStarter]: For program point L412(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:02:53,085 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-07 07:02:53,085 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-07 07:02:53,085 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-07 07:02:53,085 INFO L425 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-07 07:02:53,085 INFO L425 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-07 07:02:53,085 INFO L425 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-07 07:02:53,085 INFO L425 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-07 07:02:53,085 INFO L425 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-07 07:02:53,086 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-07 07:02:53,086 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:02:53,086 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:02:53,086 INFO L425 ceAbstractionStarter]: For program point L547(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:02:53,086 INFO L425 ceAbstractionStarter]: For program point L514(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:02:53,086 INFO L425 ceAbstractionStarter]: For program point L481(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:02:53,086 INFO L425 ceAbstractionStarter]: For program point L448(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:02:53,086 INFO L425 ceAbstractionStarter]: For program point L415(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:02:53,087 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-07 07:02:53,087 INFO L425 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-07 07:02:53,087 INFO L425 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-07 07:02:53,087 INFO L425 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-07 07:02:53,087 INFO L425 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-07 07:02:53,087 INFO L425 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-07 07:02:53,087 INFO L425 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-07 07:02:53,087 INFO L425 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-07 07:02:53,088 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-07 07:02:53,088 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-07 07:02:53,088 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-07 07:02:53,088 INFO L425 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-07 07:02:53,088 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 500) no Hoare annotation was computed. [2018-11-07 07:02:53,088 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-07 07:02:53,088 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-07 07:02:53,089 INFO L425 ceAbstractionStarter]: For program point L550(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:02:53,089 INFO L425 ceAbstractionStarter]: For program point L517(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:02:53,089 INFO L425 ceAbstractionStarter]: For program point L484(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:02:53,089 INFO L425 ceAbstractionStarter]: For program point L451(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:02:53,089 INFO L425 ceAbstractionStarter]: For program point L418(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:02:53,089 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-07 07:02:53,089 INFO L425 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-07 07:02:53,090 INFO L425 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-07 07:02:53,090 INFO L425 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-07 07:02:53,090 INFO L425 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-07 07:02:53,090 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-07 07:02:53,090 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-07 07:02:53,090 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-07 07:02:53,090 INFO L425 ceAbstractionStarter]: For program point L553(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:02:53,090 INFO L425 ceAbstractionStarter]: For program point L520(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:02:53,091 INFO L425 ceAbstractionStarter]: For program point L487(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:02:53,091 INFO L425 ceAbstractionStarter]: For program point L454(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:02:53,091 INFO L425 ceAbstractionStarter]: For program point L421(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:02:53,091 INFO L425 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-07 07:02:53,091 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-07 07:02:53,091 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-07 07:02:53,091 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-07 07:02:53,091 INFO L425 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-07 07:02:53,092 INFO L425 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-07 07:02:53,092 INFO L425 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-07 07:02:53,092 INFO L425 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-07 07:02:53,092 INFO L425 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-07 07:02:53,092 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-07 07:02:53,093 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse1 (not (= ~a21~0 1))) (.cse0 (= 1 |old(~a21~0)|)) (.cse6 (= 1 |old(~a7~0)|)) (.cse7 (= 6 |old(~a16~0)|)) (.cse2 (= |old(~a16~0)| ~a16~0)) (.cse3 (not (= ~a17~0 1))) (.cse4 (not (= 8 ~a12~0))) (.cse5 (= 1 |old(~a17~0)|))) (and (or .cse0 (and .cse1 .cse2 .cse3) .cse4 .cse5) (or .cse6 .cse3 .cse4 .cse5) (or .cse6 (and (not (= ~a7~0 1)) .cse2) .cse4) (or .cse7 .cse0 .cse4 (and .cse1 .cse2)) (or (not .cse0) (not (= 1 |old(~a20~0)|)) (not (= 4 |old(~a16~0)|)) (and (= 1 ~a7~0) (= 1 ~a20~0) (= 13 ~a8~0) .cse2 (= 1 ~a21~0) (= 1 ~a17~0)) .cse4 (not .cse6) (not (= 13 |old(~a8~0)|)) (not .cse5)) (or .cse7 (and .cse2 .cse3) .cse4 .cse5))) [2018-11-07 07:02:53,093 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-07 07:02:53,093 INFO L425 ceAbstractionStarter]: For program point L556(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:02:53,093 INFO L425 ceAbstractionStarter]: For program point L523(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:02:53,093 INFO L425 ceAbstractionStarter]: For program point L490(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:02:53,093 INFO L425 ceAbstractionStarter]: For program point L457(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:02:53,093 INFO L425 ceAbstractionStarter]: For program point L424(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:02:53,094 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-07 07:02:53,094 INFO L425 ceAbstractionStarter]: For program point L391-1(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:02:53,094 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-07 07:02:53,094 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-07 07:02:53,094 INFO L425 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-07 07:02:53,094 INFO L425 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-07 07:02:53,094 INFO L425 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-07 07:02:53,094 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-07 07:02:53,094 INFO L425 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-07 07:02:53,095 INFO L425 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-07 07:02:53,095 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-07 07:02:53,095 INFO L425 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-07 07:02:53,095 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-07 07:02:53,095 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-07 07:02:53,095 INFO L425 ceAbstractionStarter]: For program point L559(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:02:53,095 INFO L425 ceAbstractionStarter]: For program point L526(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:02:53,095 INFO L425 ceAbstractionStarter]: For program point L493(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:02:53,096 INFO L425 ceAbstractionStarter]: For program point L460(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:02:53,096 INFO L425 ceAbstractionStarter]: For program point L427(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:02:53,096 INFO L425 ceAbstractionStarter]: For program point L394(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:02:53,096 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-07 07:02:53,096 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-07 07:02:53,096 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-07 07:02:53,097 INFO L425 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-07 07:02:53,097 INFO L425 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-07 07:02:53,097 INFO L425 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-07 07:02:53,097 INFO L425 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-07 07:02:53,097 INFO L425 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-07 07:02:53,097 INFO L425 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-07 07:02:53,097 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-07 07:02:53,097 INFO L425 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-07 07:02:53,098 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-07 07:02:53,098 INFO L425 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-07 07:02:53,098 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-07 07:02:53,098 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-07 07:02:53,098 INFO L425 ceAbstractionStarter]: For program point L562(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:02:53,098 INFO L425 ceAbstractionStarter]: For program point L529(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:02:53,098 INFO L425 ceAbstractionStarter]: For program point L496(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:02:53,098 INFO L425 ceAbstractionStarter]: For program point L463(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:02:53,099 INFO L425 ceAbstractionStarter]: For program point L430(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:02:53,099 INFO L425 ceAbstractionStarter]: For program point L397(lines 30 575) no Hoare annotation was computed. [2018-11-07 07:02:53,099 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-07 07:02:53,099 INFO L425 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-07 07:02:53,099 INFO L425 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-07 07:02:53,099 INFO L425 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-07 07:02:53,099 INFO L425 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-07 07:02:53,100 INFO L425 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-07 07:02:53,100 INFO L425 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-07 07:02:53,100 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-07 07:02:53,100 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-07 07:02:53,100 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-07 07:02:53,100 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-07 07:02:53,100 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~a7~0 1)) (not (= ~a16~0 6)) (= ~a12~0 8)) [2018-11-07 07:02:53,101 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-07 07:02:53,101 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-07 07:02:53,101 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (= 6 |old(~a16~0)|) (= 1 |old(~a7~0)|) (and (not (= ~a7~0 1)) (= |old(~a16~0)| ~a16~0)) (not (= 8 ~a12~0))) [2018-11-07 07:02:53,101 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-07 07:02:53,101 INFO L421 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (not (= ~a21~0 1))) (.cse2 (not (= ~a16~0 6))) (.cse1 (not (= ~a17~0 1)))) (or (= 6 |old(~a16~0)|) (= 1 |old(~a7~0)|) (and .cse0 .cse1) (and (= 1 ~a20~0) (= 13 ~a8~0) (= 4 ~a16~0)) (and .cse0 .cse2) (not (= 8 ~a12~0)) (and .cse2 .cse1) (not (= ~a7~0 1)))) [2018-11-07 07:02:53,101 INFO L425 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-07 07:02:53,101 INFO L425 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-07 07:02:53,102 INFO L425 ceAbstractionStarter]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2018-11-07 07:02:53,102 INFO L421 ceAbstractionStarter]: At program point L583-3(lines 583 593) the Hoare annotation is: (let ((.cse0 (not (= ~a21~0 1))) (.cse2 (not (= ~a16~0 6))) (.cse1 (not (= ~a17~0 1)))) (or (= 6 |old(~a16~0)|) (= 1 |old(~a7~0)|) (and .cse0 .cse1) (and (= 1 ~a20~0) (= 13 ~a8~0) (= 4 ~a16~0)) (and .cse0 .cse2) (not (= 8 ~a12~0)) (and .cse2 .cse1) (not (= ~a7~0 1)))) [2018-11-07 07:02:53,102 INFO L425 ceAbstractionStarter]: For program point L583-4(lines 577 594) no Hoare annotation was computed. [2018-11-07 07:02:53,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 07:02:53 BoogieIcfgContainer [2018-11-07 07:02:53,119 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 07:02:53,120 INFO L168 Benchmark]: Toolchain (without parser) took 15254.16 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 882.4 MB). Free memory was 1.4 GB in the beginning and 1.9 GB in the end (delta: -481.2 MB). Peak memory consumption was 401.1 MB. Max. memory is 7.1 GB. [2018-11-07 07:02:53,122 INFO L168 Benchmark]: CDTParser took 0.21 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 07:02:53,122 INFO L168 Benchmark]: CACSL2BoogieTranslator took 744.77 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 07:02:53,123 INFO L168 Benchmark]: Boogie Procedure Inliner took 122.26 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 744.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -833.3 MB). Peak memory consumption was 18.8 MB. Max. memory is 7.1 GB. [2018-11-07 07:02:53,124 INFO L168 Benchmark]: Boogie Preprocessor took 99.88 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 07:02:53,125 INFO L168 Benchmark]: RCFGBuilder took 3334.21 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: 104.8 MB). Peak memory consumption was 104.8 MB. Max. memory is 7.1 GB. [2018-11-07 07:02:53,126 INFO L168 Benchmark]: TraceAbstraction took 10948.12 ms. Allocated memory was 2.3 GB in the beginning and 2.4 GB in the end (delta: 138.4 MB). Free memory was 2.1 GB in the beginning and 1.9 GB in the end (delta: 202.1 MB). Peak memory consumption was 340.5 MB. Max. memory is 7.1 GB. [2018-11-07 07:02:53,135 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 744.77 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 122.26 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 744.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -833.3 MB). Peak memory consumption was 18.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 99.88 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 3334.21 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: 104.8 MB). Peak memory consumption was 104.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 10948.12 ms. Allocated memory was 2.3 GB in the beginning and 2.4 GB in the end (delta: 138.4 MB). Free memory was 2.1 GB in the beginning and 1.9 GB in the end (delta: 202.1 MB). Peak memory consumption was 340.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 500]: 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: ((((((6 == \old(a16) || 1 == \old(a7)) || (!(a21 == 1) && !(a17 == 1))) || ((1 == a20 && 13 == a8) && 4 == a16)) || (!(a21 == 1) && !(a16 == 6))) || !(8 == a12)) || (!(a16 == 6) && !(a17 == 1))) || !(a7 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. SAFE Result, 10.8s OverallTime, 5 OverallIterations, 2 TraceHistogramMax, 7.4s AutomataDifference, 0.0s DeadEndRemovalTime, 1.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 835 SDtfs, 1477 SDslu, 314 SDs, 0 SdLazy, 2602 SolverSat, 651 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 13 SyntacticMatches, 8 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=796occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 20 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 31 PreInvPairs, 49 NumberOfFragments, 280 HoareAnnotationTreeSize, 31 FomulaSimplifications, 240 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 201 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 649 NumberOfCodeBlocks, 649 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 644 ConstructedInterpolants, 0 QuantifiedInterpolants, 487931 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 62/62 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...