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 --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label26_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-69f5bdd-m [2018-09-18 10:09:05,523 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-18 10:09:05,532 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-18 10:09:05,550 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-18 10:09:05,550 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-18 10:09:05,551 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-18 10:09:05,552 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-18 10:09:05,554 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-18 10:09:05,556 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-18 10:09:05,557 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-18 10:09:05,558 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-18 10:09:05,558 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-18 10:09:05,559 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-18 10:09:05,560 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-18 10:09:05,561 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-18 10:09:05,562 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-18 10:09:05,563 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-18 10:09:05,565 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-18 10:09:05,567 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-18 10:09:05,569 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-18 10:09:05,570 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-18 10:09:05,571 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-18 10:09:05,573 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-18 10:09:05,574 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-18 10:09:05,574 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-18 10:09:05,575 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-18 10:09:05,576 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-18 10:09:05,579 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-18 10:09:05,580 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-18 10:09:05,581 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-18 10:09:05,581 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-18 10:09:05,585 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-18 10:09:05,585 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-18 10:09:05,585 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-18 10:09:05,586 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-18 10:09:05,587 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-18 10:09:05,588 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf [2018-09-18 10:09:05,604 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-18 10:09:05,604 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-18 10:09:05,605 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-18 10:09:05,605 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-18 10:09:05,605 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-18 10:09:05,605 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-18 10:09:05,606 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-18 10:09:05,606 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-18 10:09:05,606 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-18 10:09:05,606 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-18 10:09:05,606 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-18 10:09:05,607 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-18 10:09:05,607 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-18 10:09:05,608 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-18 10:09:05,608 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-18 10:09:05,608 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-18 10:09:05,608 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-18 10:09:05,608 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-18 10:09:05,608 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-18 10:09:05,609 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-18 10:09:05,609 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-18 10:09:05,609 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-18 10:09:05,609 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-18 10:09:05,609 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-18 10:09:05,610 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-18 10:09:05,610 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-18 10:09:05,610 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-18 10:09:05,610 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-18 10:09:05,610 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-09-18 10:09:05,611 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-18 10:09:05,611 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-18 10:09:05,611 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-18 10:09:05,611 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-18 10:09:05,611 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-18 10:09:05,667 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-18 10:09:05,680 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-18 10:09:05,687 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-18 10:09:05,688 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-18 10:09:05,689 INFO L276 PluginConnector]: CDTParser initialized [2018-09-18 10:09:05,689 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label26_true-unreach-call_false-termination.c [2018-09-18 10:09:06,062 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0246bf6d4/6836b4c1826f47918ecda1785d3b057a/FLAGdc100910c [2018-09-18 10:09:06,322 INFO L277 CDTParser]: Found 1 translation units. [2018-09-18 10:09:06,323 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label26_true-unreach-call_false-termination.c [2018-09-18 10:09:06,345 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0246bf6d4/6836b4c1826f47918ecda1785d3b057a/FLAGdc100910c [2018-09-18 10:09:06,369 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0246bf6d4/6836b4c1826f47918ecda1785d3b057a [2018-09-18 10:09:06,384 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-18 10:09:06,392 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-18 10:09:06,393 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-18 10:09:06,393 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-18 10:09:06,402 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-18 10:09:06,403 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 10:09:06" (1/1) ... [2018-09-18 10:09:06,407 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36ff577 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:09:06, skipping insertion in model container [2018-09-18 10:09:06,407 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 10:09:06" (1/1) ... [2018-09-18 10:09:06,420 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-18 10:09:06,924 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-18 10:09:06,947 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-18 10:09:07,063 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-18 10:09:07,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:09:07 WrapperNode [2018-09-18 10:09:07,106 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-18 10:09:07,107 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-18 10:09:07,107 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-18 10:09:07,107 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-18 10:09:07,118 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:09:07" (1/1) ... [2018-09-18 10:09:07,149 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:09:07" (1/1) ... [2018-09-18 10:09:07,223 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-18 10:09:07,223 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-18 10:09:07,225 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-18 10:09:07,226 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-18 10:09:07,371 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:09:07" (1/1) ... [2018-09-18 10:09:07,371 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:09:07" (1/1) ... [2018-09-18 10:09:07,376 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:09:07" (1/1) ... [2018-09-18 10:09:07,376 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:09:07" (1/1) ... [2018-09-18 10:09:07,412 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:09:07" (1/1) ... [2018-09-18 10:09:07,437 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:09:07" (1/1) ... [2018-09-18 10:09:07,448 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:09:07" (1/1) ... [2018-09-18 10:09:07,458 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-18 10:09:07,459 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-18 10:09:07,459 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-18 10:09:07,459 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-18 10:09:07,463 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:09:07" (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 [2018-09-18 10:09:07,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-18 10:09:07,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-18 10:09:07,538 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-18 10:09:07,538 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-18 10:09:07,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-18 10:09:07,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-18 10:09:07,539 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-18 10:09:07,539 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-18 10:09:10,842 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-18 10:09:10,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 10:09:10 BoogieIcfgContainer [2018-09-18 10:09:10,843 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-18 10:09:10,844 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-18 10:09:10,845 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-18 10:09:10,848 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-18 10:09:10,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.09 10:09:06" (1/3) ... [2018-09-18 10:09:10,849 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c145a42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.09 10:09:10, skipping insertion in model container [2018-09-18 10:09:10,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:09:07" (2/3) ... [2018-09-18 10:09:10,850 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c145a42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.09 10:09:10, skipping insertion in model container [2018-09-18 10:09:10,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 10:09:10" (3/3) ... [2018-09-18 10:09:10,852 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label26_true-unreach-call_false-termination.c [2018-09-18 10:09:10,864 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-18 10:09:10,874 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-18 10:09:10,932 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-18 10:09:10,933 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-18 10:09:10,933 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-18 10:09:10,934 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-18 10:09:10,934 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-18 10:09:10,934 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-18 10:09:10,934 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-18 10:09:10,934 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-18 10:09:10,935 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-18 10:09:10,963 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-09-18 10:09:10,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-09-18 10:09:10,980 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 10:09:10,981 INFO L376 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 10:09:10,984 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 10:09:10,990 INFO L82 PathProgramCache]: Analyzing trace with hash 1783395935, now seen corresponding path program 1 times [2018-09-18 10:09:10,993 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 10:09:11,052 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:09:11,052 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:09:11,053 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:09:11,053 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 10:09:11,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:09:11,625 WARN L178 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-18 10:09:11,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 10:09:11,812 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 10:09:11,812 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-18 10:09:11,812 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 10:09:11,819 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-18 10:09:11,837 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-18 10:09:11,838 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-18 10:09:11,841 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 3 states. [2018-09-18 10:09:13,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 10:09:13,758 INFO L93 Difference]: Finished difference Result 618 states and 1056 transitions. [2018-09-18 10:09:13,761 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-18 10:09:13,762 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 143 [2018-09-18 10:09:13,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 10:09:13,782 INFO L225 Difference]: With dead ends: 618 [2018-09-18 10:09:13,782 INFO L226 Difference]: Without dead ends: 379 [2018-09-18 10:09:13,789 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-18 10:09:13,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2018-09-18 10:09:13,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 379. [2018-09-18 10:09:13,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2018-09-18 10:09:13,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 621 transitions. [2018-09-18 10:09:13,871 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 621 transitions. Word has length 143 [2018-09-18 10:09:13,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 10:09:13,872 INFO L480 AbstractCegarLoop]: Abstraction has 379 states and 621 transitions. [2018-09-18 10:09:13,872 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-18 10:09:13,872 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 621 transitions. [2018-09-18 10:09:13,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-09-18 10:09:13,883 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 10:09:13,884 INFO L376 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 10:09:13,884 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 10:09:13,884 INFO L82 PathProgramCache]: Analyzing trace with hash 1923545450, now seen corresponding path program 1 times [2018-09-18 10:09:13,885 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 10:09:13,886 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:09:13,886 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:09:13,886 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:09:13,887 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 10:09:13,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:09:14,177 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 10:09:14,178 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 10:09:14,178 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-18 10:09:14,178 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 10:09:14,180 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-18 10:09:14,181 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-18 10:09:14,181 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-18 10:09:14,182 INFO L87 Difference]: Start difference. First operand 379 states and 621 transitions. Second operand 6 states. [2018-09-18 10:09:16,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 10:09:16,148 INFO L93 Difference]: Finished difference Result 1229 states and 2094 transitions. [2018-09-18 10:09:16,156 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-09-18 10:09:16,157 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 159 [2018-09-18 10:09:16,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 10:09:16,173 INFO L225 Difference]: With dead ends: 1229 [2018-09-18 10:09:16,173 INFO L226 Difference]: Without dead ends: 856 [2018-09-18 10:09:16,180 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 [2018-09-18 10:09:16,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 856 states. [2018-09-18 10:09:16,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 856 to 823. [2018-09-18 10:09:16,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 823 states. [2018-09-18 10:09:16,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 823 states and 1292 transitions. [2018-09-18 10:09:16,260 INFO L78 Accepts]: Start accepts. Automaton has 823 states and 1292 transitions. Word has length 159 [2018-09-18 10:09:16,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 10:09:16,261 INFO L480 AbstractCegarLoop]: Abstraction has 823 states and 1292 transitions. [2018-09-18 10:09:16,261 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-18 10:09:16,261 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 1292 transitions. [2018-09-18 10:09:16,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-09-18 10:09:16,266 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 10:09:16,267 INFO L376 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 10:09:16,267 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 10:09:16,268 INFO L82 PathProgramCache]: Analyzing trace with hash 497696213, now seen corresponding path program 1 times [2018-09-18 10:09:16,268 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 10:09:16,269 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:09:16,269 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:09:16,270 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:09:16,270 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 10:09:16,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:09:16,562 WARN L178 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-18 10:09:16,686 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 10:09:16,686 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 10:09:16,686 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-18 10:09:16,687 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 10:09:16,687 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-18 10:09:16,688 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-18 10:09:16,688 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-18 10:09:16,688 INFO L87 Difference]: Start difference. First operand 823 states and 1292 transitions. Second operand 6 states. [2018-09-18 10:09:20,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 10:09:20,257 INFO L93 Difference]: Finished difference Result 2557 states and 4222 transitions. [2018-09-18 10:09:20,260 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-18 10:09:20,260 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 166 [2018-09-18 10:09:20,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 10:09:20,277 INFO L225 Difference]: With dead ends: 2557 [2018-09-18 10:09:20,277 INFO L226 Difference]: Without dead ends: 1740 [2018-09-18 10:09:20,284 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-09-18 10:09:20,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1740 states. [2018-09-18 10:09:20,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1740 to 1682. [2018-09-18 10:09:20,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1682 states. [2018-09-18 10:09:20,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1682 states to 1682 states and 2540 transitions. [2018-09-18 10:09:20,377 INFO L78 Accepts]: Start accepts. Automaton has 1682 states and 2540 transitions. Word has length 166 [2018-09-18 10:09:20,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 10:09:20,380 INFO L480 AbstractCegarLoop]: Abstraction has 1682 states and 2540 transitions. [2018-09-18 10:09:20,380 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-18 10:09:20,381 INFO L276 IsEmpty]: Start isEmpty. Operand 1682 states and 2540 transitions. [2018-09-18 10:09:20,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-09-18 10:09:20,389 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 10:09:20,390 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 10:09:20,390 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 10:09:20,390 INFO L82 PathProgramCache]: Analyzing trace with hash 698255549, now seen corresponding path program 1 times [2018-09-18 10:09:20,391 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 10:09:20,392 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:09:20,392 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:09:20,392 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:09:20,392 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 10:09:20,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:09:20,562 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-09-18 10:09:20,563 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 10:09:20,563 INFO L197 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 [2018-09-18 10:09:20,575 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:09:20,575 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 10:09:20,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:09:20,678 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 10:09:21,120 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 26 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 10:09:21,121 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 10:09:21,510 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 26 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 10:09:21,532 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 10:09:21,532 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-18 10:09:21,550 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:09:21,551 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 10:09:21,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:09:21,729 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 10:09:21,941 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-09-18 10:09:21,941 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 10:09:22,248 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-09-18 10:09:22,255 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 4 imperfect interpolant sequences. [2018-09-18 10:09:22,255 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 5, 5, 5] total 11 [2018-09-18 10:09:22,255 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 10:09:22,256 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-18 10:09:22,256 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-18 10:09:22,257 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-09-18 10:09:22,257 INFO L87 Difference]: Start difference. First operand 1682 states and 2540 transitions. Second operand 5 states. [2018-09-18 10:09:24,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 10:09:24,015 INFO L93 Difference]: Finished difference Result 3337 states and 5067 transitions. [2018-09-18 10:09:24,016 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-18 10:09:24,016 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 168 [2018-09-18 10:09:24,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 10:09:24,028 INFO L225 Difference]: With dead ends: 3337 [2018-09-18 10:09:24,028 INFO L226 Difference]: Without dead ends: 1661 [2018-09-18 10:09:24,035 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 679 GetRequests, 662 SyntacticMatches, 8 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-09-18 10:09:24,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1661 states. [2018-09-18 10:09:24,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1661 to 1653. [2018-09-18 10:09:24,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1653 states. [2018-09-18 10:09:24,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1653 states to 1653 states and 2428 transitions. [2018-09-18 10:09:24,086 INFO L78 Accepts]: Start accepts. Automaton has 1653 states and 2428 transitions. Word has length 168 [2018-09-18 10:09:24,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 10:09:24,086 INFO L480 AbstractCegarLoop]: Abstraction has 1653 states and 2428 transitions. [2018-09-18 10:09:24,086 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-18 10:09:24,086 INFO L276 IsEmpty]: Start isEmpty. Operand 1653 states and 2428 transitions. [2018-09-18 10:09:24,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-09-18 10:09:24,094 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 10:09:24,095 INFO L376 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 10:09:24,095 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 10:09:24,095 INFO L82 PathProgramCache]: Analyzing trace with hash -1164892963, now seen corresponding path program 1 times [2018-09-18 10:09:24,096 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 10:09:24,097 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:09:24,097 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:09:24,097 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:09:24,097 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 10:09:24,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:09:24,465 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 10:09:24,465 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 10:09:24,465 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-18 10:09:24,465 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 10:09:24,466 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-18 10:09:24,466 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-18 10:09:24,466 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-09-18 10:09:24,467 INFO L87 Difference]: Start difference. First operand 1653 states and 2428 transitions. Second operand 5 states. [2018-09-18 10:09:25,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 10:09:25,366 INFO L93 Difference]: Finished difference Result 3187 states and 4662 transitions. [2018-09-18 10:09:25,366 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-18 10:09:25,366 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 170 [2018-09-18 10:09:25,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 10:09:25,375 INFO L225 Difference]: With dead ends: 3187 [2018-09-18 10:09:25,376 INFO L226 Difference]: Without dead ends: 1392 [2018-09-18 10:09:25,383 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-09-18 10:09:25,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1392 states. [2018-09-18 10:09:25,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1392 to 1378. [2018-09-18 10:09:25,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1378 states. [2018-09-18 10:09:25,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1378 states to 1378 states and 1946 transitions. [2018-09-18 10:09:25,426 INFO L78 Accepts]: Start accepts. Automaton has 1378 states and 1946 transitions. Word has length 170 [2018-09-18 10:09:25,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 10:09:25,427 INFO L480 AbstractCegarLoop]: Abstraction has 1378 states and 1946 transitions. [2018-09-18 10:09:25,427 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-18 10:09:25,428 INFO L276 IsEmpty]: Start isEmpty. Operand 1378 states and 1946 transitions. [2018-09-18 10:09:25,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-09-18 10:09:25,435 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 10:09:25,435 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 10:09:25,435 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 10:09:25,436 INFO L82 PathProgramCache]: Analyzing trace with hash 1759861538, now seen corresponding path program 1 times [2018-09-18 10:09:25,436 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 10:09:25,437 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:09:25,437 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:09:25,437 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:09:25,437 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 10:09:25,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:09:25,590 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 33 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 10:09:25,590 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 10:09:25,590 INFO L197 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 [2018-09-18 10:09:25,598 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:09:25,598 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 10:09:25,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:09:25,679 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 10:09:25,786 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 33 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 10:09:25,786 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 10:09:25,955 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 33 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 10:09:25,977 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 10:09:25,977 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-18 10:09:26,000 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:09:26,000 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 10:09:26,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:09:26,153 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 10:09:26,306 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 33 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 10:09:26,306 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 10:09:26,551 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 33 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 10:09:26,560 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-18 10:09:26,560 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 5, 5] total 12 [2018-09-18 10:09:26,560 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-18 10:09:26,561 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-18 10:09:26,563 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-18 10:09:26,563 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2018-09-18 10:09:26,571 INFO L87 Difference]: Start difference. First operand 1378 states and 1946 transitions. Second operand 9 states. [2018-09-18 10:09:31,954 WARN L178 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 8 DAG size of output: 7 [2018-09-18 10:09:34,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 10:09:34,526 INFO L93 Difference]: Finished difference Result 5976 states and 10083 transitions. [2018-09-18 10:09:34,526 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-18 10:09:34,526 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 175 [2018-09-18 10:09:34,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 10:09:34,578 INFO L225 Difference]: With dead ends: 5976 [2018-09-18 10:09:34,578 INFO L226 Difference]: Without dead ends: 4604 [2018-09-18 10:09:34,600 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 720 GetRequests, 696 SyntacticMatches, 6 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=126, Invalid=254, Unknown=0, NotChecked=0, Total=380 [2018-09-18 10:09:34,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4604 states. [2018-09-18 10:09:34,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4604 to 4401. [2018-09-18 10:09:34,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4401 states. [2018-09-18 10:09:34,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4401 states to 4401 states and 6280 transitions. [2018-09-18 10:09:34,783 INFO L78 Accepts]: Start accepts. Automaton has 4401 states and 6280 transitions. Word has length 175 [2018-09-18 10:09:34,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 10:09:34,783 INFO L480 AbstractCegarLoop]: Abstraction has 4401 states and 6280 transitions. [2018-09-18 10:09:34,784 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-18 10:09:34,784 INFO L276 IsEmpty]: Start isEmpty. Operand 4401 states and 6280 transitions. [2018-09-18 10:09:34,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-09-18 10:09:34,811 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 10:09:34,811 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 10:09:34,811 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 10:09:34,812 INFO L82 PathProgramCache]: Analyzing trace with hash 372209646, now seen corresponding path program 1 times [2018-09-18 10:09:34,812 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 10:09:34,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:09:34,813 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:09:34,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:09:34,813 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 10:09:34,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:09:35,251 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 26 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 10:09:35,252 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 10:09:35,252 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-18 10:09:35,261 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:09:35,261 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 10:09:35,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:09:35,336 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 10:09:35,375 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-09-18 10:09:35,376 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 10:09:35,681 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-09-18 10:09:35,707 INFO L313 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-09-18 10:09:35,707 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 8 [2018-09-18 10:09:35,707 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 10:09:35,708 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-18 10:09:35,708 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-18 10:09:35,709 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-09-18 10:09:35,709 INFO L87 Difference]: Start difference. First operand 4401 states and 6280 transitions. Second operand 3 states. [2018-09-18 10:09:37,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 10:09:37,120 INFO L93 Difference]: Finished difference Result 11563 states and 16872 transitions. [2018-09-18 10:09:37,121 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-18 10:09:37,122 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 180 [2018-09-18 10:09:37,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 10:09:37,182 INFO L225 Difference]: With dead ends: 11563 [2018-09-18 10:09:37,182 INFO L226 Difference]: Without dead ends: 7168 [2018-09-18 10:09:37,221 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 371 GetRequests, 362 SyntacticMatches, 3 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-09-18 10:09:37,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7168 states. [2018-09-18 10:09:37,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7168 to 7165. [2018-09-18 10:09:37,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7165 states. [2018-09-18 10:09:37,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7165 states to 7165 states and 9813 transitions. [2018-09-18 10:09:37,593 INFO L78 Accepts]: Start accepts. Automaton has 7165 states and 9813 transitions. Word has length 180 [2018-09-18 10:09:37,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 10:09:37,594 INFO L480 AbstractCegarLoop]: Abstraction has 7165 states and 9813 transitions. [2018-09-18 10:09:37,594 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-18 10:09:37,594 INFO L276 IsEmpty]: Start isEmpty. Operand 7165 states and 9813 transitions. [2018-09-18 10:09:37,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-09-18 10:09:37,644 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 10:09:37,645 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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, 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] [2018-09-18 10:09:37,645 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 10:09:37,645 INFO L82 PathProgramCache]: Analyzing trace with hash -279067735, now seen corresponding path program 1 times [2018-09-18 10:09:37,646 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 10:09:37,646 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:09:37,647 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:09:37,647 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:09:37,647 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 10:09:37,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:09:38,077 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 81 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 10:09:38,078 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 10:09:38,078 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-18 10:09:38,086 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:09:38,086 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 10:09:38,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:09:38,167 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 10:09:38,208 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 81 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 10:09:38,209 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 10:09:38,438 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 81 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 10:09:38,459 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 10:09:38,459 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 8 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-18 10:09:38,479 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:09:38,480 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 10:09:38,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:09:38,663 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 10:09:39,208 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 74 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 10:09:39,208 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 10:09:39,538 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 81 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 10:09:39,541 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-18 10:09:39,541 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 7, 8] total 12 [2018-09-18 10:09:39,541 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-18 10:09:39,542 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-18 10:09:39,542 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-18 10:09:39,543 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2018-09-18 10:09:39,543 INFO L87 Difference]: Start difference. First operand 7165 states and 9813 transitions. Second operand 6 states. [2018-09-18 10:09:40,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 10:09:40,929 INFO L93 Difference]: Finished difference Result 14469 states and 20705 transitions. [2018-09-18 10:09:40,931 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-18 10:09:40,932 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 224 [2018-09-18 10:09:40,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 10:09:40,994 INFO L225 Difference]: With dead ends: 14469 [2018-09-18 10:09:40,994 INFO L226 Difference]: Without dead ends: 7310 [2018-09-18 10:09:41,045 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 904 GetRequests, 886 SyntacticMatches, 5 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2018-09-18 10:09:41,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7310 states. [2018-09-18 10:09:41,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7310 to 6929. [2018-09-18 10:09:41,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6929 states. [2018-09-18 10:09:41,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6929 states to 6929 states and 8719 transitions. [2018-09-18 10:09:41,287 INFO L78 Accepts]: Start accepts. Automaton has 6929 states and 8719 transitions. Word has length 224 [2018-09-18 10:09:41,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 10:09:41,288 INFO L480 AbstractCegarLoop]: Abstraction has 6929 states and 8719 transitions. [2018-09-18 10:09:41,288 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-18 10:09:41,288 INFO L276 IsEmpty]: Start isEmpty. Operand 6929 states and 8719 transitions. [2018-09-18 10:09:41,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-09-18 10:09:41,322 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 10:09:41,322 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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, 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] [2018-09-18 10:09:41,322 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 10:09:41,323 INFO L82 PathProgramCache]: Analyzing trace with hash 1113625625, now seen corresponding path program 1 times [2018-09-18 10:09:41,323 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 10:09:41,324 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:09:41,324 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:09:41,324 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:09:41,324 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 10:09:41,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:09:41,600 WARN L178 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 4 [2018-09-18 10:09:41,749 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 120 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 10:09:41,749 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 10:09:41,749 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-18 10:09:41,756 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:09:41,756 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 10:09:41,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:09:41,852 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 10:09:42,124 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 135 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-09-18 10:09:42,124 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 10:09:42,246 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 135 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-09-18 10:09:42,267 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 10:09:42,267 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 10 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-18 10:09:42,285 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:09:42,285 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 10:09:42,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:09:42,486 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 10:09:42,581 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 135 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-09-18 10:09:42,581 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 10:09:42,776 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 135 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-09-18 10:09:42,784 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-18 10:09:42,784 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5, 5, 5] total 16 [2018-09-18 10:09:42,784 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-18 10:09:42,785 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-09-18 10:09:42,785 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-09-18 10:09:42,785 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2018-09-18 10:09:42,786 INFO L87 Difference]: Start difference. First operand 6929 states and 8719 transitions. Second operand 15 states. [2018-09-18 10:09:47,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 10:09:47,233 INFO L93 Difference]: Finished difference Result 15631 states and 21539 transitions. [2018-09-18 10:09:47,234 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-18 10:09:47,234 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 251 [2018-09-18 10:09:47,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 10:09:47,278 INFO L225 Difference]: With dead ends: 15631 [2018-09-18 10:09:47,278 INFO L226 Difference]: Without dead ends: 6939 [2018-09-18 10:09:47,309 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1040 GetRequests, 1004 SyntacticMatches, 9 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 257 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=238, Invalid=574, Unknown=0, NotChecked=0, Total=812 [2018-09-18 10:09:47,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6939 states. [2018-09-18 10:09:47,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6939 to 6904. [2018-09-18 10:09:47,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6904 states. [2018-09-18 10:09:47,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6904 states to 6904 states and 9603 transitions. [2018-09-18 10:09:47,619 INFO L78 Accepts]: Start accepts. Automaton has 6904 states and 9603 transitions. Word has length 251 [2018-09-18 10:09:47,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 10:09:47,619 INFO L480 AbstractCegarLoop]: Abstraction has 6904 states and 9603 transitions. [2018-09-18 10:09:47,620 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-09-18 10:09:47,620 INFO L276 IsEmpty]: Start isEmpty. Operand 6904 states and 9603 transitions. [2018-09-18 10:09:47,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2018-09-18 10:09:47,674 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 10:09:47,674 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-09-18 10:09:47,675 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 10:09:47,675 INFO L82 PathProgramCache]: Analyzing trace with hash -1360438372, now seen corresponding path program 1 times [2018-09-18 10:09:47,675 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 10:09:47,676 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:09:47,676 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:09:47,676 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:09:47,676 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 10:09:47,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:09:48,805 WARN L178 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-09-18 10:09:49,144 WARN L178 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-09-18 10:09:49,580 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 253 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 10:09:49,581 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 10:09:49,581 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-18 10:09:49,591 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:09:49,591 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 10:09:49,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:09:49,691 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 10:09:49,763 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2018-09-18 10:09:49,764 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 10:09:49,837 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2018-09-18 10:09:49,858 INFO L313 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-09-18 10:09:49,859 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [10] total 11 [2018-09-18 10:09:49,859 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 10:09:49,860 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-18 10:09:49,860 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-18 10:09:49,860 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-09-18 10:09:49,860 INFO L87 Difference]: Start difference. First operand 6904 states and 9603 transitions. Second operand 3 states. [2018-09-18 10:09:51,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 10:09:51,048 INFO L93 Difference]: Finished difference Result 13761 states and 19203 transitions. [2018-09-18 10:09:51,049 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-18 10:09:51,049 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 309 [2018-09-18 10:09:51,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 10:09:51,050 INFO L225 Difference]: With dead ends: 13761 [2018-09-18 10:09:51,050 INFO L226 Difference]: Without dead ends: 0 [2018-09-18 10:09:51,118 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 627 GetRequests, 618 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-09-18 10:09:51,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-18 10:09:51,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-18 10:09:51,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-18 10:09:51,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-18 10:09:51,119 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 309 [2018-09-18 10:09:51,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 10:09:51,119 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-18 10:09:51,119 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-18 10:09:51,119 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-18 10:09:51,120 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-18 10:09:51,125 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-18 10:09:51,654 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:51,655 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:51,658 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:51,662 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:51,667 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:51,671 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:51,675 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:51,679 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:51,685 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:51,691 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:51,692 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:51,703 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:51,706 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:51,710 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:51,711 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:51,721 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:51,730 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:51,735 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:51,742 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:51,753 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:51,759 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:51,760 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:51,766 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:51,772 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:51,813 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:51,814 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:51,822 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:51,845 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:51,855 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:51,864 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:51,874 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:51,886 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:51,944 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:51,948 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:51,951 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:51,962 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:51,964 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:51,970 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:51,984 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:51,991 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:51,995 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,003 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,015 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,031 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,034 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,045 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,048 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,051 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,064 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,070 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,074 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,077 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,086 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,092 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,100 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,109 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,125 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,173 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,185 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,194 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,205 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,221 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,260 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,263 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,281 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,292 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,296 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,314 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,322 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,349 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,354 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,388 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,411 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,432 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,439 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,460 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,494 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,499 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,517 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,526 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,549 WARN L178 SmtUtils]: Spent 929.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 199 [2018-09-18 10:09:52,579 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,580 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,582 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,584 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,588 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,591 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,594 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,597 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,602 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,605 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,606 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,613 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,615 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,618 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,619 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,624 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,631 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,635 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,640 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,648 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,653 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,654 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,659 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,663 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,693 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,694 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,700 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,720 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,726 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,734 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,742 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,751 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,799 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,802 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,804 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,811 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,813 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,817 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,828 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,835 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,837 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,845 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,856 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,869 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,872 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,882 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,884 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,887 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,899 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,905 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,908 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,911 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,918 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,924 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,931 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,939 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,952 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:52,994 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:53,005 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:53,013 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:53,022 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:53,035 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:53,068 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:53,072 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:53,089 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:53,099 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:53,103 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:53,120 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:53,128 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:53,154 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:53,158 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:53,199 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:53,218 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:53,236 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:53,243 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:53,263 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:53,295 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:53,299 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:53,317 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:53,326 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 10:09:53,348 WARN L178 SmtUtils]: Spent 797.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 199 [2018-09-18 10:09:53,591 WARN L178 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2018-09-18 10:09:53,908 WARN L178 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 32 [2018-09-18 10:09:55,182 WARN L178 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 177 DAG size of output: 68 [2018-09-18 10:09:56,220 WARN L178 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 177 DAG size of output: 61 [2018-09-18 10:09:57,134 WARN L178 SmtUtils]: Spent 910.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 61 [2018-09-18 10:09:57,137 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-09-18 10:09:57,137 INFO L422 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a28~0)| ~a28~0) (= ~a11~0 |old(~a11~0)|) (= ~a17~0 |old(~a17~0)|) (= |old(~a25~0)| ~a25~0) (= ~a19~0 |old(~a19~0)|)) [2018-09-18 10:09:57,137 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-18 10:09:57,138 INFO L426 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:57,138 INFO L426 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:57,138 INFO L426 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:57,138 INFO L426 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:57,138 INFO L426 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:57,138 INFO L426 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-09-18 10:09:57,138 INFO L426 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-09-18 10:09:57,138 INFO L426 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-09-18 10:09:57,138 INFO L426 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-09-18 10:09:57,138 INFO L426 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-09-18 10:09:57,138 INFO L426 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-09-18 10:09:57,138 INFO L426 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-09-18 10:09:57,138 INFO L426 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-09-18 10:09:57,139 INFO L426 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-09-18 10:09:57,139 INFO L426 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-09-18 10:09:57,139 INFO L426 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-09-18 10:09:57,139 INFO L426 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-09-18 10:09:57,139 INFO L426 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-09-18 10:09:57,139 INFO L426 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:57,139 INFO L426 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:57,139 INFO L426 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:57,139 INFO L426 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:57,139 INFO L426 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-09-18 10:09:57,139 INFO L426 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:57,139 INFO L426 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-09-18 10:09:57,139 INFO L426 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-09-18 10:09:57,140 INFO L426 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-09-18 10:09:57,140 INFO L426 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-09-18 10:09:57,140 INFO L426 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-09-18 10:09:57,140 INFO L426 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-09-18 10:09:57,140 INFO L426 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-09-18 10:09:57,140 INFO L426 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-09-18 10:09:57,140 INFO L426 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-09-18 10:09:57,140 INFO L426 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-09-18 10:09:57,140 INFO L426 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-09-18 10:09:57,140 INFO L426 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-09-18 10:09:57,140 INFO L426 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-09-18 10:09:57,141 INFO L426 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-09-18 10:09:57,141 INFO L426 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-09-18 10:09:57,141 INFO L426 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:57,141 INFO L426 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:57,141 INFO L426 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:57,141 INFO L426 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:57,141 INFO L426 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:57,141 INFO L426 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-09-18 10:09:57,141 INFO L426 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-09-18 10:09:57,142 INFO L426 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-09-18 10:09:57,142 INFO L426 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-09-18 10:09:57,142 INFO L426 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-09-18 10:09:57,142 INFO L426 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-09-18 10:09:57,142 INFO L426 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-09-18 10:09:57,142 INFO L426 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-09-18 10:09:57,142 INFO L426 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-09-18 10:09:57,142 INFO L426 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-09-18 10:09:57,143 INFO L426 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-09-18 10:09:57,143 INFO L426 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:57,143 INFO L426 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:57,143 INFO L426 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:57,143 INFO L426 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:57,143 INFO L426 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:57,143 INFO L426 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-09-18 10:09:57,143 INFO L426 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-09-18 10:09:57,143 INFO L426 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-09-18 10:09:57,144 INFO L426 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-09-18 10:09:57,144 INFO L426 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-09-18 10:09:57,144 INFO L426 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-09-18 10:09:57,144 INFO L426 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-09-18 10:09:57,144 INFO L426 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-09-18 10:09:57,144 INFO L426 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-09-18 10:09:57,144 INFO L426 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-09-18 10:09:57,144 INFO L426 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-09-18 10:09:57,144 INFO L426 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-09-18 10:09:57,145 INFO L426 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-09-18 10:09:57,145 INFO L426 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:57,145 INFO L426 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:57,145 INFO L426 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:57,145 INFO L426 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:57,145 INFO L426 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:57,145 INFO L426 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-09-18 10:09:57,145 INFO L426 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-09-18 10:09:57,145 INFO L426 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-09-18 10:09:57,145 INFO L426 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-09-18 10:09:57,146 INFO L426 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-09-18 10:09:57,146 INFO L426 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-09-18 10:09:57,146 INFO L426 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-09-18 10:09:57,146 INFO L426 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-09-18 10:09:57,146 INFO L426 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-09-18 10:09:57,146 INFO L426 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-09-18 10:09:57,146 INFO L426 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-09-18 10:09:57,146 INFO L426 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-09-18 10:09:57,146 INFO L426 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-09-18 10:09:57,146 INFO L426 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-09-18 10:09:57,147 INFO L426 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-09-18 10:09:57,147 INFO L426 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-09-18 10:09:57,147 INFO L426 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:57,147 INFO L426 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:57,147 INFO L426 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:57,147 INFO L426 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:57,147 INFO L426 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-09-18 10:09:57,147 INFO L426 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:57,147 INFO L426 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-09-18 10:09:57,148 INFO L426 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:57,148 INFO L426 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-09-18 10:09:57,148 INFO L426 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-09-18 10:09:57,148 INFO L426 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-09-18 10:09:57,148 INFO L426 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:57,148 INFO L426 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:57,148 INFO L426 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-09-18 10:09:57,148 INFO L426 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-09-18 10:09:57,148 INFO L426 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-09-18 10:09:57,148 INFO L426 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-09-18 10:09:57,149 INFO L426 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-09-18 10:09:57,149 INFO L426 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-09-18 10:09:57,149 INFO L426 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-09-18 10:09:57,149 INFO L426 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-09-18 10:09:57,149 INFO L426 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-09-18 10:09:57,149 INFO L426 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-09-18 10:09:57,149 INFO L426 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-09-18 10:09:57,149 INFO L426 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:57,149 INFO L426 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:57,150 INFO L426 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:57,150 INFO L426 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:57,150 INFO L426 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:57,150 INFO L426 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:57,150 INFO L426 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-09-18 10:09:57,150 INFO L426 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-09-18 10:09:57,150 INFO L426 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-09-18 10:09:57,150 INFO L426 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-09-18 10:09:57,151 INFO L426 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-09-18 10:09:57,151 INFO L426 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-09-18 10:09:57,151 INFO L426 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-09-18 10:09:57,151 INFO L426 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-09-18 10:09:57,151 INFO L426 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-09-18 10:09:57,151 INFO L426 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-09-18 10:09:57,151 INFO L426 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-09-18 10:09:57,151 INFO L426 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:57,151 INFO L426 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:57,151 INFO L426 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:57,151 INFO L426 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:57,151 INFO L426 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:57,151 INFO L426 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:57,152 INFO L426 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-09-18 10:09:57,152 INFO L426 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-09-18 10:09:57,152 INFO L426 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-09-18 10:09:57,152 INFO L426 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-09-18 10:09:57,152 INFO L426 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-09-18 10:09:57,152 INFO L426 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-09-18 10:09:57,152 INFO L426 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-09-18 10:09:57,152 INFO L426 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-09-18 10:09:57,152 INFO L426 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-09-18 10:09:57,152 INFO L426 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-09-18 10:09:57,153 INFO L426 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-09-18 10:09:57,153 INFO L426 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-09-18 10:09:57,153 INFO L426 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-09-18 10:09:57,153 INFO L426 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-09-18 10:09:57,153 INFO L426 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:57,153 INFO L426 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:57,153 INFO L426 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:57,154 INFO L422 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse10 (= ~a11~0 |old(~a11~0)|)) (.cse12 (= |old(~a25~0)| ~a25~0)) (.cse9 (= |old(~a28~0)| ~a28~0)) (.cse11 (= ~a17~0 |old(~a17~0)|)) (.cse13 (= ~a19~0 |old(~a19~0)|))) (let ((.cse14 (not (= 1 |old(~a11~0)|))) (.cse1 (not (= 1 |old(~a19~0)|))) (.cse6 (not (= |old(~a17~0)| 8))) (.cse0 (not (= 1 ~a21~0))) (.cse4 (and .cse10 .cse12 .cse9 .cse11 .cse13)) (.cse2 (= |old(~a17~0)| |old(~a28~0)|)) (.cse3 (= |old(~a11~0)| |old(~a19~0)|)) (.cse7 (< 0 |old(~a19~0)|)) (.cse5 (= 1 |old(~a25~0)|)) (.cse8 (not (= 7 |old(~a17~0)|)))) (and (or .cse0 (< 9 |old(~a28~0)|) .cse1 .cse2 .cse3 .cse4 (= 9 |old(~a17~0)|) .cse5) (or .cse4 .cse0 .cse6 .cse7 .cse5) (or .cse0 .cse1 .cse4 (not (= |old(~a28~0)| 11)) .cse5 .cse8) (or .cse0 (and .cse9 .cse10 .cse11 .cse12 .cse13) .cse2 .cse6 .cse7) (or .cse0 (not (= 7 |old(~a28~0)|)) (not .cse5) .cse1 (and (= 7 ~a28~0) (= 1 ~a11~0) (= 7 ~a17~0) (= 1 ~a19~0) .cse12) .cse14 .cse8) (or .cse0 .cse3 .cse7 (not (= 9 |old(~a28~0)|)) (and .cse10 .cse12 .cse11 (= 9 ~a28~0) .cse13) .cse8) (or .cse0 .cse1 .cse2 (and .cse12 .cse9 .cse11 .cse13 (= ~a11~0 1)) .cse14 .cse5 .cse8) (or .cse4 .cse0 .cse1 .cse6) (or .cse0 .cse4 .cse2 .cse3 .cse7 .cse5 .cse8)))) [2018-09-18 10:09:57,154 INFO L426 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:57,154 INFO L426 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:57,154 INFO L426 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:57,154 INFO L426 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-09-18 10:09:57,154 INFO L426 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-09-18 10:09:57,154 INFO L426 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-09-18 10:09:57,155 INFO L426 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-09-18 10:09:57,155 INFO L426 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-09-18 10:09:57,155 INFO L426 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-09-18 10:09:57,155 INFO L426 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-09-18 10:09:57,155 INFO L426 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-09-18 10:09:57,155 INFO L426 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-09-18 10:09:57,155 INFO L426 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-09-18 10:09:57,155 INFO L426 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-09-18 10:09:57,155 INFO L426 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-09-18 10:09:57,155 INFO L426 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-09-18 10:09:57,156 INFO L426 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 580) no Hoare annotation was computed. [2018-09-18 10:09:57,156 INFO L426 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:57,156 INFO L426 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:57,156 INFO L426 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:57,156 INFO L426 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:57,156 INFO L426 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:57,156 INFO L426 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:57,156 INFO L426 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-09-18 10:09:57,157 INFO L426 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-09-18 10:09:57,157 INFO L426 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-09-18 10:09:57,157 INFO L426 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-09-18 10:09:57,157 INFO L426 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-09-18 10:09:57,157 INFO L426 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-09-18 10:09:57,157 INFO L426 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-09-18 10:09:57,157 INFO L426 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-09-18 10:09:57,157 INFO L426 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-09-18 10:09:57,157 INFO L426 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-09-18 10:09:57,158 INFO L426 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-09-18 10:09:57,158 INFO L426 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-09-18 10:09:57,158 INFO L426 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-09-18 10:09:57,158 INFO L426 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-09-18 10:09:57,158 INFO L426 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-09-18 10:09:57,158 INFO L426 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-09-18 10:09:57,158 INFO L426 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:57,158 INFO L426 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:57,158 INFO L426 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:57,158 INFO L426 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:57,158 INFO L426 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-09-18 10:09:57,159 INFO L426 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-09-18 10:09:57,159 INFO L426 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-09-18 10:09:57,159 INFO L426 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-09-18 10:09:57,159 INFO L426 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-09-18 10:09:57,159 INFO L426 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-09-18 10:09:57,159 INFO L426 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-09-18 10:09:57,159 INFO L426 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-09-18 10:09:57,159 INFO L426 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-09-18 10:09:57,159 INFO L426 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-09-18 10:09:57,159 INFO L426 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-09-18 10:09:57,160 INFO L426 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-09-18 10:09:57,160 INFO L426 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-09-18 10:09:57,160 INFO L426 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-09-18 10:09:57,160 INFO L426 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-09-18 10:09:57,160 INFO L426 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-09-18 10:09:57,160 INFO L426 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-09-18 10:09:57,160 INFO L426 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-09-18 10:09:57,160 INFO L426 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-09-18 10:09:57,160 INFO L426 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-09-18 10:09:57,160 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-18 10:09:57,161 INFO L422 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~a28~0 ~a17~0)) (not (= ~a17~0 7)) (not (= ~a25~0 1)) (= 1 ~a19~0) (not (= ~a19~0 ~a11~0)) (= ~a21~0 1) (<= ~a28~0 9) (not (= ~a17~0 9))) [2018-09-18 10:09:57,161 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-18 10:09:57,161 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-18 10:09:57,161 INFO L422 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 ~a21~0)) (< 9 |old(~a28~0)|) (not (= 1 |old(~a19~0)|)) (= 7 |old(~a17~0)|) (= |old(~a17~0)| |old(~a28~0)|) (= |old(~a11~0)| |old(~a19~0)|) (and (= ~a11~0 |old(~a11~0)|) (= |old(~a25~0)| ~a25~0) (= |old(~a28~0)| ~a28~0) (= ~a17~0 |old(~a17~0)|) (= ~a19~0 |old(~a19~0)|)) (= 9 |old(~a17~0)|) (= 1 |old(~a25~0)|)) [2018-09-18 10:09:57,161 INFO L426 ceAbstractionStarter]: For program point L606-1(lines 606 616) no Hoare annotation was computed. [2018-09-18 10:09:57,161 INFO L422 ceAbstractionStarter]: At program point L606-3(lines 606 616) the Hoare annotation is: (let ((.cse6 (= |old(~a17~0)| ~a17~0)) (.cse5 (not (= 11 ~a28~0))) (.cse4 (not (= ~a28~0 ~a17~0))) (.cse0 (not (= ~a25~0 1))) (.cse8 (= 1 ~a19~0)) (.cse9 (<= ~a28~0 9)) (.cse2 (= |old(~a17~0)| 8)) (.cse3 (<= ~a19~0 0)) (.cse7 (= 7 ~a17~0)) (.cse1 (not (= ~a19~0 ~a11~0)))) (or (and (= |old(~a28~0)| ~a28~0) (= ~a17~0 |old(~a17~0)|) .cse0 .cse1 (= ~a19~0 |old(~a19~0)|)) (and .cse2 .cse3 .cse4 .cse5 .cse6) (not (= 1 |old(~a19~0)|)) (and .cse2 .cse3 .cse4 .cse0 .cse7 .cse1) (= 1 |old(~a25~0)|) (= 7 |old(~a17~0)|) (not (= 1 ~a21~0)) (and (= 7 ~a28~0) (= 1 ~a11~0) .cse7 (= 1 ~a25~0) .cse8) (and .cse2 .cse6 .cse8) (and .cse2 .cse3 .cse0 .cse6 .cse9) (and (and .cse2 .cse4 .cse0 .cse7 .cse5 .cse8) (= ~a11~0 1)) (and .cse2 .cse4 .cse0 .cse7 .cse8 .cse9) (= |old(~a17~0)| |old(~a28~0)|) (= |old(~a11~0)| |old(~a19~0)|) (= 9 |old(~a17~0)|) (and .cse2 .cse3 .cse7 (= 9 ~a28~0) .cse1) (< 9 |old(~a28~0)|))) [2018-09-18 10:09:57,162 INFO L426 ceAbstractionStarter]: For program point L606-4(lines 600 617) no Hoare annotation was computed. [2018-09-18 10:09:57,162 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-09-18 10:09:57,162 INFO L422 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse6 (= |old(~a17~0)| ~a17~0)) (.cse5 (not (= 11 ~a28~0))) (.cse4 (not (= ~a28~0 ~a17~0))) (.cse0 (not (= ~a25~0 1))) (.cse8 (= 1 ~a19~0)) (.cse9 (<= ~a28~0 9)) (.cse2 (= |old(~a17~0)| 8)) (.cse3 (<= ~a19~0 0)) (.cse7 (= 7 ~a17~0)) (.cse1 (not (= ~a19~0 ~a11~0)))) (or (and (= |old(~a28~0)| ~a28~0) (= ~a17~0 |old(~a17~0)|) .cse0 .cse1 (= ~a19~0 |old(~a19~0)|)) (and .cse2 .cse3 .cse4 .cse5 .cse6) (not (= 1 |old(~a19~0)|)) (and .cse2 .cse3 .cse4 .cse0 .cse7 .cse1) (= 1 |old(~a25~0)|) (= 7 |old(~a17~0)|) (not (= 1 ~a21~0)) (and (= 7 ~a28~0) (= 1 ~a11~0) .cse7 (= 1 ~a25~0) .cse8) (and .cse2 .cse6 .cse8) (and .cse2 .cse3 .cse0 .cse6 .cse9) (and (and .cse2 .cse4 .cse0 .cse7 .cse5 .cse8) (= ~a11~0 1)) (and .cse2 .cse4 .cse0 .cse7 .cse8 .cse9) (= |old(~a17~0)| |old(~a28~0)|) (= |old(~a11~0)| |old(~a19~0)|) (= 9 |old(~a17~0)|) (and .cse2 .cse3 .cse7 (= 9 ~a28~0) .cse1) (< 9 |old(~a28~0)|))) [2018-09-18 10:09:57,162 INFO L426 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-09-18 10:09:57,162 INFO L426 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-09-18 10:09:57,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.09 10:09:57 BoogieIcfgContainer [2018-09-18 10:09:57,184 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-18 10:09:57,185 INFO L168 Benchmark]: Toolchain (without parser) took 50799.49 ms. Allocated memory was 1.5 GB in the beginning and 3.0 GB in the end (delta: 1.4 GB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -919.9 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2018-09-18 10:09:57,186 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-18 10:09:57,187 INFO L168 Benchmark]: CACSL2BoogieTranslator took 713.28 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. [2018-09-18 10:09:57,187 INFO L168 Benchmark]: Boogie Procedure Inliner took 115.88 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-18 10:09:57,188 INFO L168 Benchmark]: Boogie Preprocessor took 235.49 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 739.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -810.5 MB). Peak memory consumption was 34.9 MB. Max. memory is 7.1 GB. [2018-09-18 10:09:57,189 INFO L168 Benchmark]: RCFGBuilder took 3384.49 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: 110.6 MB). Peak memory consumption was 110.6 MB. Max. memory is 7.1 GB. [2018-09-18 10:09:57,190 INFO L168 Benchmark]: TraceAbstraction took 46339.70 ms. Allocated memory was 2.3 GB in the beginning and 3.0 GB in the end (delta: 699.4 MB). Free memory was 2.1 GB in the beginning and 2.3 GB in the end (delta: -251.7 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2018-09-18 10:09:57,194 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 713.28 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 115.88 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 235.49 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 739.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -810.5 MB). Peak memory consumption was 34.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3384.49 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: 110.6 MB). Peak memory consumption was 110.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 46339.70 ms. Allocated memory was 2.3 GB in the beginning and 3.0 GB in the end (delta: 699.4 MB). Free memory was 2.1 GB in the beginning and 2.3 GB in the end (delta: -251.7 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 580]: 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: 606]: Loop Invariant Derived loop invariant: (((((((((((((((((((\old(a28) == a28 && a17 == \old(a17)) && !(a25 == 1)) && !(a19 == a11)) && a19 == \old(a19)) || ((((\old(a17) == 8 && a19 <= 0) && !(a28 == a17)) && !(11 == a28)) && \old(a17) == a17)) || !(1 == \old(a19))) || (((((\old(a17) == 8 && a19 <= 0) && !(a28 == a17)) && !(a25 == 1)) && 7 == a17) && !(a19 == a11))) || 1 == \old(a25)) || 7 == \old(a17)) || !(1 == a21)) || ((((7 == a28 && 1 == a11) && 7 == a17) && 1 == a25) && 1 == a19)) || ((\old(a17) == 8 && \old(a17) == a17) && 1 == a19)) || ((((\old(a17) == 8 && a19 <= 0) && !(a25 == 1)) && \old(a17) == a17) && a28 <= 9)) || ((((((\old(a17) == 8 && !(a28 == a17)) && !(a25 == 1)) && 7 == a17) && !(11 == a28)) && 1 == a19) && a11 == 1)) || (((((\old(a17) == 8 && !(a28 == a17)) && !(a25 == 1)) && 7 == a17) && 1 == a19) && a28 <= 9)) || \old(a17) == \old(a28)) || \old(a11) == \old(a19)) || 9 == \old(a17)) || ((((\old(a17) == 8 && a19 <= 0) && 7 == a17) && 9 == a28) && !(a19 == a11))) || 9 < \old(a28) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. SAFE Result, 46.2s OverallTime, 10 OverallIterations, 4 TraceHistogramMax, 27.0s AutomataDifference, 0.0s DeadEndRemovalTime, 6.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1493 SDtfs, 8206 SDslu, 1290 SDs, 0 SdLazy, 9945 SolverSat, 2041 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 21.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4374 GetRequests, 4239 SyntacticMatches, 35 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 462 ImplicationChecksByTransitivity, 6.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7165occurred in iteration=7, 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: 1.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 735 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 601 PreInvPairs, 993 NumberOfFragments, 802 HoareAnnotationTreeSize, 601 FomulaSimplifications, 46670 FormulaSimplificationTreeSizeReduction, 2.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 10987 FormulaSimplificationTreeSizeReductionInter, 3.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 8.7s InterpolantComputationTime, 4070 NumberOfCodeBlocks, 4070 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 6165 ConstructedInterpolants, 0 QuantifiedInterpolants, 3406111 SizeOfPredicates, 11 NumberOfNonLiveVariables, 4811 ConjunctsInSsa, 80 ConjunctsInUnsatCore, 30 InterpolantComputations, 9 PerfectInterpolantSequences, 2399/2523 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem02_label26_true-unreach-call_false-termination.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-18_10-09-57-212.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem02_label26_true-unreach-call_false-termination.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-18_10-09-57-212.csv Received shutdown request...