java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT-LIM.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label02_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-63daa26 [2018-11-12 17:11:24,614 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-12 17:11:24,616 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-12 17:11:24,629 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-12 17:11:24,629 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-12 17:11:24,630 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-12 17:11:24,632 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-12 17:11:24,634 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-12 17:11:24,635 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-12 17:11:24,636 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-12 17:11:24,637 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-12 17:11:24,638 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-12 17:11:24,638 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-12 17:11:24,639 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-12 17:11:24,641 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-12 17:11:24,641 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-12 17:11:24,642 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-12 17:11:24,644 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-12 17:11:24,646 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-12 17:11:24,648 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-12 17:11:24,649 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-12 17:11:24,650 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-12 17:11:24,652 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-12 17:11:24,653 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-12 17:11:24,653 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-12 17:11:24,654 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-12 17:11:24,655 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-12 17:11:24,656 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-12 17:11:24,657 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-12 17:11:24,658 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-12 17:11:24,658 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-12 17:11:24,659 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-12 17:11:24,659 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-12 17:11:24,659 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-12 17:11:24,660 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-12 17:11:24,661 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-12 17:11:24,661 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT-LIM.epf [2018-11-12 17:11:24,677 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-12 17:11:24,678 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-12 17:11:24,679 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-12 17:11:24,679 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-12 17:11:24,679 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-12 17:11:24,679 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-12 17:11:24,680 INFO L133 SettingsManager]: * Maximum recursion depth of evaluation operations=6 [2018-11-12 17:11:24,680 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-12 17:11:24,680 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-12 17:11:24,680 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-12 17:11:24,681 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-12 17:11:24,681 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-12 17:11:24,681 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-12 17:11:24,682 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-12 17:11:24,682 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-12 17:11:24,682 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-12 17:11:24,682 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-12 17:11:24,683 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-12 17:11:24,683 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-12 17:11:24,683 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-12 17:11:24,683 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-12 17:11:24,684 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-12 17:11:24,684 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-12 17:11:24,684 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-12 17:11:24,684 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-12 17:11:24,684 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-12 17:11:24,685 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-12 17:11:24,685 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-12 17:11:24,685 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-12 17:11:24,685 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-12 17:11:24,685 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-12 17:11:24,686 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-12 17:11:24,686 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-12 17:11:24,686 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-12 17:11:24,686 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-12 17:11:24,730 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-12 17:11:24,751 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-12 17:11:24,756 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-12 17:11:24,758 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-12 17:11:24,758 INFO L276 PluginConnector]: CDTParser initialized [2018-11-12 17:11:24,759 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label02_true-unreach-call_false-termination.c [2018-11-12 17:11:24,828 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d59efe305/b7a5a9ca80a843b99873e65fa5c7268f/FLAG5a7d6a94d [2018-11-12 17:11:25,453 INFO L298 CDTParser]: Found 1 translation units. [2018-11-12 17:11:25,454 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label02_true-unreach-call_false-termination.c [2018-11-12 17:11:25,482 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d59efe305/b7a5a9ca80a843b99873e65fa5c7268f/FLAG5a7d6a94d [2018-11-12 17:11:25,503 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d59efe305/b7a5a9ca80a843b99873e65fa5c7268f [2018-11-12 17:11:25,514 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-12 17:11:25,516 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-12 17:11:25,517 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-12 17:11:25,518 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-12 17:11:25,521 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-12 17:11:25,522 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 05:11:25" (1/1) ... [2018-11-12 17:11:25,526 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55907750 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:11:25, skipping insertion in model container [2018-11-12 17:11:25,526 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 05:11:25" (1/1) ... [2018-11-12 17:11:25,537 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-12 17:11:25,595 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-12 17:11:26,058 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-12 17:11:26,063 INFO L189 MainTranslator]: Completed pre-run [2018-11-12 17:11:26,162 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-12 17:11:26,185 INFO L193 MainTranslator]: Completed translation [2018-11-12 17:11:26,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:11:26 WrapperNode [2018-11-12 17:11:26,186 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-12 17:11:26,189 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-12 17:11:26,189 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-12 17:11:26,189 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-12 17:11:26,199 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:11:26" (1/1) ... [2018-11-12 17:11:26,319 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:11:26" (1/1) ... [2018-11-12 17:11:26,329 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-12 17:11:26,330 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-12 17:11:26,330 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-12 17:11:26,330 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-12 17:11:26,341 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:11:26" (1/1) ... [2018-11-12 17:11:26,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:11:26" (1/1) ... [2018-11-12 17:11:26,346 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:11:26" (1/1) ... [2018-11-12 17:11:26,346 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:11:26" (1/1) ... [2018-11-12 17:11:26,387 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:11:26" (1/1) ... [2018-11-12 17:11:26,407 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:11:26" (1/1) ... [2018-11-12 17:11:26,414 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:11:26" (1/1) ... [2018-11-12 17:11:26,428 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-12 17:11:26,428 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-12 17:11:26,428 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-12 17:11:26,429 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-12 17:11:26,429 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:11:26" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-12 17:11:26,504 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-12 17:11:26,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-12 17:11:26,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-12 17:11:26,504 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-12 17:11:26,505 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-12 17:11:26,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-12 17:11:26,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-12 17:11:26,505 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-12 17:11:26,505 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-12 17:11:29,996 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-12 17:11:29,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 05:11:29 BoogieIcfgContainer [2018-11-12 17:11:29,998 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-12 17:11:30,004 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-12 17:11:30,004 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-12 17:11:30,009 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-12 17:11:30,009 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 05:11:25" (1/3) ... [2018-11-12 17:11:30,012 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47475775 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 05:11:30, skipping insertion in model container [2018-11-12 17:11:30,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:11:26" (2/3) ... [2018-11-12 17:11:30,014 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47475775 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 05:11:30, skipping insertion in model container [2018-11-12 17:11:30,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 05:11:29" (3/3) ... [2018-11-12 17:11:30,016 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label02_true-unreach-call_false-termination.c [2018-11-12 17:11:30,030 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-12 17:11:30,042 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-12 17:11:30,061 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-12 17:11:30,118 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-12 17:11:30,118 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-12 17:11:30,118 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-12 17:11:30,118 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-12 17:11:30,119 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-12 17:11:30,119 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-12 17:11:30,119 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-12 17:11:30,119 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-12 17:11:30,151 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-11-12 17:11:30,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-12 17:11:30,165 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 17:11:30,167 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 17:11:30,169 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 17:11:30,176 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:11:30,176 INFO L82 PathProgramCache]: Analyzing trace with hash -1835137400, now seen corresponding path program 1 times [2018-11-12 17:11:30,179 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 17:11:30,233 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:11:30,233 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 17:11:30,233 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:11:30,234 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 17:11:30,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 17:11:31,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 17:11:31,117 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 17:11:31,117 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-12 17:11:31,118 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 17:11:31,124 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-12 17:11:31,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-12 17:11:31,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-12 17:11:31,150 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 4 states. [2018-11-12 17:11:33,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 17:11:33,772 INFO L93 Difference]: Finished difference Result 788 states and 1373 transitions. [2018-11-12 17:11:33,773 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-12 17:11:33,774 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 100 [2018-11-12 17:11:33,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 17:11:33,806 INFO L225 Difference]: With dead ends: 788 [2018-11-12 17:11:33,806 INFO L226 Difference]: Without dead ends: 545 [2018-11-12 17:11:33,818 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-12 17:11:33,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2018-11-12 17:11:33,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 383. [2018-11-12 17:11:33,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2018-11-12 17:11:33,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 631 transitions. [2018-11-12 17:11:33,935 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 631 transitions. Word has length 100 [2018-11-12 17:11:33,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 17:11:33,936 INFO L480 AbstractCegarLoop]: Abstraction has 383 states and 631 transitions. [2018-11-12 17:11:33,936 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-12 17:11:33,937 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 631 transitions. [2018-11-12 17:11:33,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-12 17:11:33,947 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 17:11:33,948 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-12 17:11:33,948 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 17:11:33,948 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:11:33,949 INFO L82 PathProgramCache]: Analyzing trace with hash -1881867499, now seen corresponding path program 1 times [2018-11-12 17:11:33,951 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 17:11:33,952 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:11:33,953 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 17:11:33,953 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:11:33,953 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 17:11:34,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 17:11:34,205 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 17:11:34,205 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 17:11:34,205 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-12 17:11:34,206 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 17:11:34,208 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-12 17:11:34,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-12 17:11:34,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-12 17:11:34,211 INFO L87 Difference]: Start difference. First operand 383 states and 631 transitions. Second operand 3 states. [2018-11-12 17:11:35,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 17:11:35,375 INFO L93 Difference]: Finished difference Result 1060 states and 1817 transitions. [2018-11-12 17:11:35,376 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-12 17:11:35,377 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 109 [2018-11-12 17:11:35,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 17:11:35,383 INFO L225 Difference]: With dead ends: 1060 [2018-11-12 17:11:35,383 INFO L226 Difference]: Without dead ends: 683 [2018-11-12 17:11:35,387 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-12 17:11:35,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 683 states. [2018-11-12 17:11:35,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 683 to 678. [2018-11-12 17:11:35,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 678 states. [2018-11-12 17:11:35,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 678 states and 1078 transitions. [2018-11-12 17:11:35,426 INFO L78 Accepts]: Start accepts. Automaton has 678 states and 1078 transitions. Word has length 109 [2018-11-12 17:11:35,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 17:11:35,427 INFO L480 AbstractCegarLoop]: Abstraction has 678 states and 1078 transitions. [2018-11-12 17:11:35,427 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-12 17:11:35,428 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 1078 transitions. [2018-11-12 17:11:35,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-12 17:11:35,435 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 17:11:35,435 INFO L375 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, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 17:11:35,435 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 17:11:35,435 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:11:35,436 INFO L82 PathProgramCache]: Analyzing trace with hash -1492540793, now seen corresponding path program 1 times [2018-11-12 17:11:35,436 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 17:11:35,437 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:11:35,437 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 17:11:35,437 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:11:35,437 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 17:11:35,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 17:11:35,627 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-12 17:11:35,627 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 17:11:35,628 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 17:11:35,629 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 140 with the following transitions: [2018-11-12 17:11:35,631 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [103], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [471], [473], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-12 17:11:35,683 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 17:11:35,683 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 17:11:36,573 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-12 17:11:36,576 INFO L272 AbstractInterpreter]: Visited 101 different actions 101 times. Never merged. Never widened. Performed 1590 root evaluator evaluations with a maximum evaluation depth of 4. Performed 1590 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Never found a fixpoint. Largest state had 38 variables. [2018-11-12 17:11:36,625 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:11:36,626 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-12 17:11:37,352 INFO L227 lantSequenceWeakener]: Weakened 117 states. On average, predicates are now at 80.87% of their original sizes. [2018-11-12 17:11:37,352 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-12 17:11:38,696 INFO L415 sIntCurrentIteration]: We unified 138 AI predicates to 138 [2018-11-12 17:11:38,696 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-12 17:11:38,700 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-12 17:11:38,700 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [6] total 19 [2018-11-12 17:11:38,700 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 17:11:38,701 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-12 17:11:38,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-12 17:11:38,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2018-11-12 17:11:38,702 INFO L87 Difference]: Start difference. First operand 678 states and 1078 transitions. Second operand 15 states. [2018-11-12 17:11:54,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 17:11:54,037 INFO L93 Difference]: Finished difference Result 1650 states and 2672 transitions. [2018-11-12 17:11:54,038 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-11-12 17:11:54,038 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 139 [2018-11-12 17:11:54,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 17:11:54,047 INFO L225 Difference]: With dead ends: 1650 [2018-11-12 17:11:54,047 INFO L226 Difference]: Without dead ends: 978 [2018-11-12 17:11:54,050 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 151 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=204, Invalid=552, Unknown=0, NotChecked=0, Total=756 [2018-11-12 17:11:54,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 978 states. [2018-11-12 17:11:54,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 978 to 825. [2018-11-12 17:11:54,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 825 states. [2018-11-12 17:11:54,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 825 states and 1233 transitions. [2018-11-12 17:11:54,090 INFO L78 Accepts]: Start accepts. Automaton has 825 states and 1233 transitions. Word has length 139 [2018-11-12 17:11:54,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 17:11:54,090 INFO L480 AbstractCegarLoop]: Abstraction has 825 states and 1233 transitions. [2018-11-12 17:11:54,090 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-12 17:11:54,091 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 1233 transitions. [2018-11-12 17:11:54,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-12 17:11:54,094 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 17:11:54,095 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2018-11-12 17:11:54,095 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 17:11:54,095 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:11:54,096 INFO L82 PathProgramCache]: Analyzing trace with hash -989712890, now seen corresponding path program 1 times [2018-11-12 17:11:54,096 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 17:11:54,097 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:11:54,097 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 17:11:54,097 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:11:54,097 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 17:11:54,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 17:11:54,284 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 46 proven. 17 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-12 17:11:54,284 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 17:11:54,284 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 17:11:54,284 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 150 with the following transitions: [2018-11-12 17:11:54,285 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [103], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [471], [473], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-12 17:11:54,289 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 17:11:54,290 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 17:11:55,147 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-12 17:11:55,147 INFO L272 AbstractInterpreter]: Visited 105 different actions 314 times. Merged at 7 different actions 21 times. Never widened. Performed 4628 root evaluator evaluations with a maximum evaluation depth of 5. Performed 4628 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-12 17:11:55,180 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:11:55,180 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-12 17:11:55,781 INFO L227 lantSequenceWeakener]: Weakened 146 states. On average, predicates are now at 80.68% of their original sizes. [2018-11-12 17:11:55,782 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-12 17:11:56,852 INFO L415 sIntCurrentIteration]: We unified 148 AI predicates to 148 [2018-11-12 17:11:56,852 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-12 17:11:56,852 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-12 17:11:56,852 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [9] total 19 [2018-11-12 17:11:56,853 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 17:11:56,853 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-12 17:11:56,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-12 17:11:56,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2018-11-12 17:11:56,854 INFO L87 Difference]: Start difference. First operand 825 states and 1233 transitions. Second operand 12 states. [2018-11-12 17:12:09,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 17:12:09,043 INFO L93 Difference]: Finished difference Result 2671 states and 4148 transitions. [2018-11-12 17:12:09,043 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-11-12 17:12:09,043 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 149 [2018-11-12 17:12:09,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 17:12:09,053 INFO L225 Difference]: With dead ends: 2671 [2018-11-12 17:12:09,053 INFO L226 Difference]: Without dead ends: 1852 [2018-11-12 17:12:09,058 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 161 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=140, Invalid=460, Unknown=0, NotChecked=0, Total=600 [2018-11-12 17:12:09,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1852 states. [2018-11-12 17:12:09,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1852 to 1828. [2018-11-12 17:12:09,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1828 states. [2018-11-12 17:12:09,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1828 states to 1828 states and 2384 transitions. [2018-11-12 17:12:09,117 INFO L78 Accepts]: Start accepts. Automaton has 1828 states and 2384 transitions. Word has length 149 [2018-11-12 17:12:09,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 17:12:09,117 INFO L480 AbstractCegarLoop]: Abstraction has 1828 states and 2384 transitions. [2018-11-12 17:12:09,117 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-12 17:12:09,117 INFO L276 IsEmpty]: Start isEmpty. Operand 1828 states and 2384 transitions. [2018-11-12 17:12:09,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-11-12 17:12:09,125 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 17:12:09,125 INFO L375 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, 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] [2018-11-12 17:12:09,125 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 17:12:09,125 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:12:09,126 INFO L82 PathProgramCache]: Analyzing trace with hash 1960761734, now seen corresponding path program 1 times [2018-11-12 17:12:09,126 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 17:12:09,127 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:12:09,127 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 17:12:09,127 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:12:09,127 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 17:12:09,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 17:12:09,365 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 89 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 17:12:09,366 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 17:12:09,366 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 17:12:09,366 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 186 with the following transitions: [2018-11-12 17:12:09,367 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [301], [306], [308], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [471], [473], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-12 17:12:09,371 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 17:12:09,371 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 17:12:09,637 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-12 17:12:09,637 INFO L272 AbstractInterpreter]: Visited 104 different actions 202 times. Merged at 5 different actions 5 times. Never widened. Performed 2373 root evaluator evaluations with a maximum evaluation depth of 4. Performed 2373 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-11-12 17:12:09,649 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:12:09,650 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-12 17:12:10,075 INFO L227 lantSequenceWeakener]: Weakened 94 states. On average, predicates are now at 80.49% of their original sizes. [2018-11-12 17:12:10,075 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-12 17:12:10,825 INFO L415 sIntCurrentIteration]: We unified 184 AI predicates to 184 [2018-11-12 17:12:10,825 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-12 17:12:10,825 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-12 17:12:10,826 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [6] total 22 [2018-11-12 17:12:10,826 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 17:12:10,826 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-12 17:12:10,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-12 17:12:10,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2018-11-12 17:12:10,827 INFO L87 Difference]: Start difference. First operand 1828 states and 2384 transitions. Second operand 18 states. [2018-11-12 17:12:24,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 17:12:24,381 INFO L93 Difference]: Finished difference Result 4540 states and 5974 transitions. [2018-11-12 17:12:24,381 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-12 17:12:24,381 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 185 [2018-11-12 17:12:24,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 17:12:24,394 INFO L225 Difference]: With dead ends: 4540 [2018-11-12 17:12:24,395 INFO L226 Difference]: Without dead ends: 2718 [2018-11-12 17:12:24,401 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 199 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 258 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=192, Invalid=864, Unknown=0, NotChecked=0, Total=1056 [2018-11-12 17:12:24,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2718 states. [2018-11-12 17:12:24,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2718 to 2708. [2018-11-12 17:12:24,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2708 states. [2018-11-12 17:12:24,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2708 states to 2708 states and 3400 transitions. [2018-11-12 17:12:24,474 INFO L78 Accepts]: Start accepts. Automaton has 2708 states and 3400 transitions. Word has length 185 [2018-11-12 17:12:24,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 17:12:24,474 INFO L480 AbstractCegarLoop]: Abstraction has 2708 states and 3400 transitions. [2018-11-12 17:12:24,474 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-12 17:12:24,474 INFO L276 IsEmpty]: Start isEmpty. Operand 2708 states and 3400 transitions. [2018-11-12 17:12:24,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-11-12 17:12:24,484 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 17:12:24,484 INFO L375 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] [2018-11-12 17:12:24,484 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 17:12:24,485 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:12:24,485 INFO L82 PathProgramCache]: Analyzing trace with hash -345059058, now seen corresponding path program 1 times [2018-11-12 17:12:24,485 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 17:12:24,486 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:12:24,486 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 17:12:24,486 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:12:24,486 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 17:12:24,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 17:12:24,711 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 135 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-12 17:12:24,712 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 17:12:24,712 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 17:12:24,712 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 209 with the following transitions: [2018-11-12 17:12:24,713 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [301], [306], [308], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [471], [473], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-12 17:12:24,716 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 17:12:24,716 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 17:12:25,147 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-12 17:12:25,148 INFO L272 AbstractInterpreter]: Visited 108 different actions 316 times. Merged at 8 different actions 20 times. Never widened. Performed 4023 root evaluator evaluations with a maximum evaluation depth of 6. Performed 4023 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 4 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-12 17:12:25,152 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:12:25,153 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-12 17:12:25,153 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 17:12:25,153 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-12 17:12:25,163 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 17:12:25,163 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-12 17:12:25,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 17:12:25,280 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-12 17:12:25,717 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 135 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-12 17:12:25,718 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-12 17:12:26,503 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 135 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-12 17:12:26,526 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-12 17:12:26,527 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-12 17:12:26,527 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-12 17:12:26,528 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-12 17:12:26,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-12 17:12:26,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2018-11-12 17:12:26,528 INFO L87 Difference]: Start difference. First operand 2708 states and 3400 transitions. Second operand 9 states. [2018-11-12 17:12:31,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 17:12:31,874 INFO L93 Difference]: Finished difference Result 8623 states and 11788 transitions. [2018-11-12 17:12:31,874 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-12 17:12:31,874 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 208 [2018-11-12 17:12:31,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 17:12:31,891 INFO L225 Difference]: With dead ends: 8623 [2018-11-12 17:12:31,892 INFO L226 Difference]: Without dead ends: 3474 [2018-11-12 17:12:31,911 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 451 GetRequests, 425 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=184, Invalid=466, Unknown=0, NotChecked=0, Total=650 [2018-11-12 17:12:31,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3474 states. [2018-11-12 17:12:31,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3474 to 3327. [2018-11-12 17:12:31,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3327 states. [2018-11-12 17:12:32,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3327 states to 3327 states and 3826 transitions. [2018-11-12 17:12:32,004 INFO L78 Accepts]: Start accepts. Automaton has 3327 states and 3826 transitions. Word has length 208 [2018-11-12 17:12:32,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 17:12:32,004 INFO L480 AbstractCegarLoop]: Abstraction has 3327 states and 3826 transitions. [2018-11-12 17:12:32,004 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-12 17:12:32,004 INFO L276 IsEmpty]: Start isEmpty. Operand 3327 states and 3826 transitions. [2018-11-12 17:12:32,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-11-12 17:12:32,015 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 17:12:32,015 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2018-11-12 17:12:32,015 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 17:12:32,016 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:12:32,017 INFO L82 PathProgramCache]: Analyzing trace with hash -455193050, now seen corresponding path program 1 times [2018-11-12 17:12:32,017 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 17:12:32,017 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:12:32,018 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 17:12:32,018 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 17:12:32,018 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 17:12:32,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 17:12:32,308 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 160 proven. 71 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-12 17:12:32,309 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 17:12:32,309 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 17:12:32,309 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 244 with the following transitions: [2018-11-12 17:12:32,310 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [67], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [301], [306], [308], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [471], [473], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-12 17:12:32,313 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 17:12:32,313 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 17:12:33,296 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-12 17:12:33,296 INFO L272 AbstractInterpreter]: Visited 109 different actions 543 times. Merged at 9 different actions 50 times. Widened at 1 different actions 2 times. Performed 7146 root evaluator evaluations with a maximum evaluation depth of 6. Performed 7146 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 12 fixpoints after 4 different actions. Largest state had 38 variables. [2018-11-12 17:12:33,304 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 17:12:33,304 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-12 17:12:33,304 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 17:12:33,304 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-12 17:12:33,314 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 17:12:33,314 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-12 17:12:33,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 17:12:33,413 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-12 17:12:33,776 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 170 proven. 2 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-11-12 17:12:33,776 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-12 17:12:33,997 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 175 proven. 36 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-12 17:12:34,018 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-12 17:12:34,018 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5, 5] total 16 [2018-11-12 17:12:34,018 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-12 17:12:34,019 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-12 17:12:34,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-12 17:12:34,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2018-11-12 17:12:34,021 INFO L87 Difference]: Start difference. First operand 3327 states and 3826 transitions. Second operand 14 states. [2018-11-12 17:12:37,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 17:12:37,403 INFO L93 Difference]: Finished difference Result 6460 states and 7647 transitions. [2018-11-12 17:12:37,403 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-11-12 17:12:37,404 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 243 [2018-11-12 17:12:37,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 17:12:37,404 INFO L225 Difference]: With dead ends: 6460 [2018-11-12 17:12:37,405 INFO L226 Difference]: Without dead ends: 0 [2018-11-12 17:12:37,418 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 544 GetRequests, 501 SyntacticMatches, 2 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 390 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=489, Invalid=1317, Unknown=0, NotChecked=0, Total=1806 [2018-11-12 17:12:37,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-12 17:12:37,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-12 17:12:37,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-12 17:12:37,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-12 17:12:37,420 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 243 [2018-11-12 17:12:37,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 17:12:37,420 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-12 17:12:37,420 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-12 17:12:37,420 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-12 17:12:37,420 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-12 17:12:37,425 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-12 17:12:37,716 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:12:37,728 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:12:37,737 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:12:37,739 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:12:37,776 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:12:37,786 WARN L179 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 161 [2018-11-12 17:12:37,932 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:12:37,934 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:12:37,938 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:12:37,942 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:12:37,954 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:12:37,966 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 17:12:37,968 WARN L179 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 88 [2018-11-12 17:12:38,600 WARN L179 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 49 [2018-11-12 17:12:38,911 WARN L179 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 77 [2018-11-12 17:12:41,705 WARN L179 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 289 DAG size of output: 113 [2018-11-12 17:12:42,550 WARN L179 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 104 [2018-11-12 17:12:42,982 WARN L179 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 99 [2018-11-12 17:12:42,986 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-12 17:12:42,986 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a11~0 |old(~a11~0)|) (= |old(~a17~0)| ~a17~0) (= ~a28~0 |old(~a28~0)|)) [2018-11-12 17:12:42,986 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-12 17:12:42,987 INFO L425 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:12:42,987 INFO L425 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:12:42,987 INFO L425 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:12:42,987 INFO L425 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:12:42,987 INFO L425 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:12:42,987 INFO L425 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-11-12 17:12:42,987 INFO L425 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-11-12 17:12:42,988 INFO L425 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-12 17:12:42,988 INFO L425 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-12 17:12:42,988 INFO L425 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-11-12 17:12:42,988 INFO L425 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-12 17:12:42,988 INFO L425 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-11-12 17:12:42,988 INFO L425 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-11-12 17:12:42,988 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-11-12 17:12:42,989 INFO L425 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-11-12 17:12:42,989 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-12 17:12:42,989 INFO L425 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-11-12 17:12:42,989 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-11-12 17:12:42,989 INFO L425 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:12:42,989 INFO L425 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:12:42,989 INFO L425 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:12:42,989 INFO L425 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:12:42,990 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-12 17:12:42,990 INFO L425 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:12:42,990 INFO L425 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-11-12 17:12:42,990 INFO L425 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-12 17:12:42,990 INFO L425 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-12 17:12:42,990 INFO L425 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-12 17:12:42,990 INFO L425 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-12 17:12:42,991 INFO L425 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-12 17:12:42,991 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-11-12 17:12:42,991 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-12 17:12:42,991 INFO L425 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-11-12 17:12:42,991 INFO L425 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-11-12 17:12:42,991 INFO L425 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-11-12 17:12:42,991 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-11-12 17:12:42,991 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-11-12 17:12:42,992 INFO L425 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-11-12 17:12:42,992 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-11-12 17:12:42,992 INFO L425 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:12:42,992 INFO L425 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:12:42,992 INFO L425 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:12:42,992 INFO L425 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:12:42,992 INFO L425 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:12:42,993 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-11-12 17:12:42,993 INFO L425 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-11-12 17:12:42,993 INFO L425 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-11-12 17:12:42,993 INFO L425 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-12 17:12:42,993 INFO L425 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-12 17:12:42,993 INFO L425 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-12 17:12:42,993 INFO L425 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-12 17:12:42,993 INFO L425 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-12 17:12:42,994 INFO L425 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-11-12 17:12:42,994 INFO L425 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-11-12 17:12:42,994 INFO L425 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-11-12 17:12:42,994 INFO L425 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:12:42,994 INFO L425 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:12:42,994 INFO L425 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:12:42,994 INFO L425 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:12:42,995 INFO L425 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:12:42,995 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-11-12 17:12:42,995 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-11-12 17:12:42,995 INFO L425 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-11-12 17:12:42,995 INFO L425 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-12 17:12:42,995 INFO L425 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-12 17:12:42,995 INFO L425 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-11-12 17:12:42,995 INFO L425 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-12 17:12:42,996 INFO L425 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-11-12 17:12:42,996 INFO L425 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-12 17:12:42,996 INFO L425 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-11-12 17:12:42,996 INFO L425 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-11-12 17:12:42,996 INFO L425 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-11-12 17:12:42,996 INFO L425 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-11-12 17:12:42,996 INFO L425 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:12:42,996 INFO L425 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:12:42,997 INFO L425 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:12:42,997 INFO L425 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:12:42,997 INFO L425 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:12:42,997 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-11-12 17:12:42,997 INFO L425 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-12 17:12:42,997 INFO L425 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-11-12 17:12:42,997 INFO L425 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-11-12 17:12:42,997 INFO L425 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-12 17:12:42,998 INFO L425 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-12 17:12:42,998 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-11-12 17:12:42,998 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-11-12 17:12:42,998 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-11-12 17:12:42,998 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-11-12 17:12:42,998 INFO L425 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-11-12 17:12:42,998 INFO L425 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-11-12 17:12:42,998 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-11-12 17:12:42,999 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-12 17:12:42,999 INFO L425 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-11-12 17:12:42,999 INFO L425 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-11-12 17:12:42,999 INFO L425 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:12:42,999 INFO L425 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:12:42,999 INFO L425 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:12:42,999 INFO L425 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:12:42,999 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-11-12 17:12:42,999 INFO L425 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:12:43,000 INFO L425 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-11-12 17:12:43,000 INFO L425 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:12:43,000 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-12 17:12:43,000 INFO L425 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-11-12 17:12:43,000 INFO L425 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-11-12 17:12:43,000 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:12:43,000 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:12:43,000 INFO L425 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-12 17:12:43,001 INFO L425 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-12 17:12:43,001 INFO L425 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-11-12 17:12:43,001 INFO L425 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-12 17:12:43,001 INFO L425 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-12 17:12:43,001 INFO L425 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-11-12 17:12:43,001 INFO L425 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-11-12 17:12:43,001 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-11-12 17:12:43,002 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-11-12 17:12:43,002 INFO L425 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-11-12 17:12:43,002 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-11-12 17:12:43,002 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:12:43,002 INFO L425 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:12:43,002 INFO L425 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:12:43,002 INFO L425 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:12:43,002 INFO L425 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:12:43,003 INFO L425 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:12:43,003 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-11-12 17:12:43,003 INFO L425 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-12 17:12:43,003 INFO L425 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-12 17:12:43,003 INFO L425 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-12 17:12:43,003 INFO L425 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-12 17:12:43,003 INFO L425 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-12 17:12:43,003 INFO L425 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-12 17:12:43,003 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-11-12 17:12:43,004 INFO L425 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-11-12 17:12:43,004 INFO L425 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-11-12 17:12:43,004 INFO L425 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-11-12 17:12:43,004 INFO L425 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:12:43,004 INFO L425 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:12:43,004 INFO L425 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:12:43,004 INFO L425 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:12:43,004 INFO L425 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:12:43,004 INFO L425 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:12:43,005 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-11-12 17:12:43,005 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-11-12 17:12:43,005 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-11-12 17:12:43,005 INFO L425 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-11-12 17:12:43,005 INFO L425 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-12 17:12:43,005 INFO L425 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-11-12 17:12:43,005 INFO L425 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-11-12 17:12:43,006 INFO L425 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-12 17:12:43,006 INFO L425 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-12 17:12:43,006 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-11-12 17:12:43,006 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-11-12 17:12:43,006 INFO L425 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-11-12 17:12:43,006 INFO L425 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-11-12 17:12:43,006 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-11-12 17:12:43,006 INFO L425 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:12:43,006 INFO L425 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:12:43,007 INFO L425 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:12:43,007 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse12 (not (= 1 ~a21~0))) (.cse26 (not (= 0 |old(~a11~0)|))) (.cse14 (<= ~a28~0 10)) (.cse15 (= ~a17~0 8)) (.cse16 (= ~a19~0 1)) (.cse4 (= 1 |old(~a11~0)|))) (let ((.cse19 (not (= 8 |old(~a17~0)|))) (.cse3 (= 1 ~a11~0)) (.cse6 (= |old(~a17~0)| ~a17~0)) (.cse7 (= ~a28~0 |old(~a28~0)|)) (.cse1 (not .cse4)) (.cse2 (<= ~a17~0 |old(~a17~0)|)) (.cse5 (= ~a11~0 |old(~a11~0)|)) (.cse0 (and .cse4 (= |old(~a11~0)| |old(~a19~0)|))) (.cse21 (< 7 |old(~a17~0)|)) (.cse10 (= 1 ~a25~0)) (.cse9 (not (= 1 |old(~a25~0)|))) (.cse11 (< 6 |calculate_output_#in~input|)) (.cse23 (and .cse14 .cse15 .cse16 (<= 9 ~a28~0) (= ~a21~0 1))) (.cse22 (and (or .cse12 (< |old(~a28~0)| 9) (< 1 |old(~a11~0)|) (< |old(~a25~0)| 0)) (or .cse12 .cse26 (not (= 0 |old(~a25~0)|))))) (.cse13 (< |old(~a28~0)| 7)) (.cse17 (< 10 |old(~a28~0)|)) (.cse18 (not (= 1 |old(~a19~0)|))) (.cse24 (< 1 |old(~a25~0)|)) (.cse25 (= 8 |old(~a28~0)|)) (.cse8 (not (= |old(~a17~0)| 8))) (.cse20 (< |calculate_output_#in~input| 1))) (and (or .cse0 .cse1 (and .cse2 .cse3 (not (= 1 ~a19~0)))) (or .cse4 (and .cse5 .cse6 .cse7) .cse8) (or .cse0 .cse9 .cse10 .cse1) (or .cse11 .cse12 .cse9 .cse1 .cse13 (and .cse10 .cse14 (<= 7 ~a28~0) .cse3 .cse15 .cse16) .cse17 .cse18 .cse19 .cse20) (or (not (= 10 |old(~a28~0)|)) (and .cse3 .cse6 .cse7) .cse1 .cse21) (or .cse11 .cse22 .cse1 .cse17 (and .cse3 .cse23) .cse18 .cse24 .cse19 .cse20) (or .cse9 (and .cse2 .cse3) .cse1 .cse21) (or (and .cse3 .cse6 .cse10 .cse7) .cse9 .cse25 .cse8 .cse1) (or (and .cse2 .cse5) .cse0 .cse21) (or .cse11 .cse9 .cse16 (or .cse12 (< |old(~a28~0)| 8) .cse26) .cse18 (< 11 |old(~a28~0)|) .cse8 .cse20) (or .cse9 .cse10 .cse21) (or .cse10 .cse8 (or .cse4 .cse9)) (or .cse11 (and (<= ~a25~0 1) (<= 0 ~a25~0) (or .cse23 (and (= ~a25~0 0) .cse16))) .cse22 .cse13 .cse17 (< |old(~a11~0)| 0) .cse18 .cse24 .cse25 .cse8 .cse20)))) [2018-11-12 17:12:43,007 INFO L425 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:12:43,008 INFO L425 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:12:43,008 INFO L425 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:12:43,008 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-11-12 17:12:43,008 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-11-12 17:12:43,008 INFO L425 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-11-12 17:12:43,008 INFO L425 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-11-12 17:12:43,008 INFO L425 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-12 17:12:43,009 INFO L425 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-12 17:12:43,009 INFO L425 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-11-12 17:12:43,009 INFO L425 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-12 17:12:43,009 INFO L425 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-11-12 17:12:43,009 INFO L425 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-11-12 17:12:43,009 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 451) no Hoare annotation was computed. [2018-11-12 17:12:43,009 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-11-12 17:12:43,009 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-11-12 17:12:43,010 INFO L425 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-11-12 17:12:43,010 INFO L425 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:12:43,010 INFO L425 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:12:43,010 INFO L425 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:12:43,010 INFO L425 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:12:43,010 INFO L425 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:12:43,010 INFO L425 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:12:43,011 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-11-12 17:12:43,011 INFO L425 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-11-12 17:12:43,011 INFO L425 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-12 17:12:43,011 INFO L425 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-11-12 17:12:43,011 INFO L425 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-11-12 17:12:43,011 INFO L425 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-11-12 17:12:43,011 INFO L425 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-12 17:12:43,011 INFO L425 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-11-12 17:12:43,012 INFO L425 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-11-12 17:12:43,012 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-11-12 17:12:43,012 INFO L425 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-11-12 17:12:43,012 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-11-12 17:12:43,012 INFO L425 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-11-12 17:12:43,012 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-11-12 17:12:43,012 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-11-12 17:12:43,012 INFO L425 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-11-12 17:12:43,012 INFO L425 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:12:43,013 INFO L425 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:12:43,013 INFO L425 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:12:43,013 INFO L425 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:12:43,013 INFO L425 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-11-12 17:12:43,013 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-11-12 17:12:43,013 INFO L425 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-11-12 17:12:43,013 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-11-12 17:12:43,013 INFO L425 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-11-12 17:12:43,013 INFO L425 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-12 17:12:43,014 INFO L425 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-12 17:12:43,014 INFO L425 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-12 17:12:43,014 INFO L425 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-12 17:12:43,014 INFO L425 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-12 17:12:43,014 INFO L425 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-12 17:12:43,014 INFO L425 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-11-12 17:12:43,014 INFO L425 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-11-12 17:12:43,015 INFO L425 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-11-12 17:12:43,015 INFO L425 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-11-12 17:12:43,015 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-11-12 17:12:43,015 INFO L425 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-11-12 17:12:43,015 INFO L425 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-11-12 17:12:43,015 INFO L425 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-11-12 17:12:43,015 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-11-12 17:12:43,015 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-12 17:12:43,016 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~d~0 4) (= ~z~0 26) (= ~c~0 3) (= ~a21~0 1) (= ~f~0 6) (= ~w~0 23) (= ~u~0 21) (= ~v~0 22) (= ~y~0 25) (= ~e~0 5) (= ~x~0 24) (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a~0 1) (= ~a19~0 1) (= ~a28~0 7)) [2018-11-12 17:12:43,016 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-12 17:12:43,016 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-12 17:12:43,016 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= |old(~a11~0)| 0)) (not (= ~v~0 22)) (and (= ~a25~0 0) (= ~a19~0 1) (= ~a28~0 |old(~a28~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a17~0 8)) (not (= ~u~0 21)) (not (= ~a21~0 1)) (not (= ~y~0 25)) (not (= 3 ~c~0)) (not (= |old(~a25~0)| 0)) (not (= |old(~a28~0)| 7)) (not (= ~a~0 1)) (not (= 26 ~z~0)) (not (= 1 |old(~a19~0)|)) (not (= ~x~0 24)) (not (= 8 |old(~a17~0)|)) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 6 ~f~0)) (not (= ~w~0 23))) [2018-11-12 17:12:43,016 INFO L425 ceAbstractionStarter]: For program point L606-1(lines 606 616) no Hoare annotation was computed. [2018-11-12 17:12:43,017 INFO L421 ceAbstractionStarter]: At program point L606-3(lines 606 616) the Hoare annotation is: (let ((.cse0 (= 1 ~a11~0)) (.cse1 (= |old(~a17~0)| ~a17~0)) (.cse3 (or (not (= ~a19~0 ~a11~0)) (not (= 1 ~a19~0)))) (.cse2 (= 1 ~a25~0)) (.cse4 (<= ~a17~0 7))) (or (and (<= 0 ~a25~0) (<= ~a11~0 1) (<= ~a28~0 10) (= ~a17~0 8) (<= 9 ~a28~0) (<= 0 ~a11~0) (<= ~a25~0 1)) (and .cse0 .cse1 .cse2) (and (<= ~a17~0 |old(~a17~0)|) .cse0 .cse3) (not (= |old(~a11~0)| 0)) (and (= ~a11~0 |old(~a11~0)|) .cse1) (not (= ~v~0 22)) (not (= ~u~0 21)) (and .cse4 .cse3) (not (= ~a21~0 1)) (not (= ~y~0 25)) (and .cse4 .cse2) (not (= 3 ~c~0)) (not (= |old(~a25~0)| 0)) (not (= |old(~a28~0)| 7)) (not (= ~a~0 1)) (not (= 26 ~z~0)) (not (= 1 |old(~a19~0)|)) (not (= ~x~0 24)) (not (= 8 |old(~a17~0)|)) (and .cse4 (= 10 ~a28~0)) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 6 ~f~0)) (not (= ~w~0 23)))) [2018-11-12 17:12:43,017 INFO L425 ceAbstractionStarter]: For program point L606-4(lines 600 617) no Hoare annotation was computed. [2018-11-12 17:12:43,017 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-11-12 17:12:43,017 INFO L421 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse1 (= |old(~a17~0)| ~a17~0)) (.cse6 (or (not (= ~a19~0 ~a11~0)) (not (= 1 ~a19~0)))) (.cse2 (= 1 ~a25~0)) (.cse7 (<= ~a17~0 7)) (.cse3 (<= 1 main_~input~0)) (.cse4 (<= main_~input~0 6)) (.cse0 (= 1 ~a11~0)) (.cse5 (= ~a17~0 8))) (or (and .cse0 .cse1 .cse2 (not (= ~a28~0 8))) (and .cse3 .cse4 .cse2 .cse0 .cse5) (and (<= ~a17~0 |old(~a17~0)|) .cse0 .cse6) (not (= |old(~a11~0)| 0)) (and (= ~a11~0 |old(~a11~0)|) .cse1) (not (= ~v~0 22)) (not (= ~u~0 21)) (and .cse7 .cse6) (not (= ~a21~0 1)) (not (= ~y~0 25)) (and .cse7 .cse2) (not (= 3 ~c~0)) (not (= |old(~a25~0)| 0)) (not (= |old(~a28~0)| 7)) (not (= ~a~0 1)) (not (= 26 ~z~0)) (not (= 1 |old(~a19~0)|)) (not (= ~x~0 24)) (not (= 8 |old(~a17~0)|)) (and .cse7 (= 10 ~a28~0)) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 6 ~f~0)) (not (= ~w~0 23)) (and (and (<= ~a28~0 10) (<= 9 ~a28~0)) .cse3 .cse4 (<= ~a25~0 1) (<= 0 ~a25~0) .cse0 .cse5))) [2018-11-12 17:12:43,018 INFO L425 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-12 17:12:43,018 INFO L425 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-11-12 17:12:43,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 05:12:43 BoogieIcfgContainer [2018-11-12 17:12:43,031 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-12 17:12:43,032 INFO L168 Benchmark]: Toolchain (without parser) took 77517.41 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 3.8 GB in the end (delta: -2.4 GB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. [2018-11-12 17:12:43,034 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-12 17:12:43,034 INFO L168 Benchmark]: CACSL2BoogieTranslator took 669.46 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-11-12 17:12:43,035 INFO L168 Benchmark]: Boogie Procedure Inliner took 141.94 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 751.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -831.1 MB). Peak memory consumption was 18.3 MB. Max. memory is 7.1 GB. [2018-11-12 17:12:43,036 INFO L168 Benchmark]: Boogie Preprocessor took 98.33 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. [2018-11-12 17:12:43,036 INFO L168 Benchmark]: RCFGBuilder took 3574.49 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: 103.8 MB). Peak memory consumption was 103.8 MB. Max. memory is 7.1 GB. [2018-11-12 17:12:43,037 INFO L168 Benchmark]: TraceAbstraction took 73027.75 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 3.8 GB in the end (delta: -1.7 GB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. [2018-11-12 17:12:43,042 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 669.46 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 141.94 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 751.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -831.1 MB). Peak memory consumption was 18.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 98.33 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3574.49 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: 103.8 MB). Peak memory consumption was 103.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 73027.75 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 3.8 GB in the end (delta: -1.7 GB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 451]: 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: ((((((((((((((((((((((((((((0 <= a25 && a11 <= 1) && a28 <= 10) && a17 == 8) && 9 <= a28) && 0 <= a11) && a25 <= 1) || ((1 == a11 && \old(a17) == a17) && 1 == a25)) || ((a17 <= \old(a17) && 1 == a11) && (!(a19 == a11) || !(1 == a19)))) || !(\old(a11) == 0)) || (a11 == \old(a11) && \old(a17) == a17)) || !(v == 22)) || !(u == 21)) || (a17 <= 7 && (!(a19 == a11) || !(1 == a19)))) || !(a21 == 1)) || !(y == 25)) || (a17 <= 7 && 1 == a25)) || !(3 == c)) || !(\old(a25) == 0)) || !(\old(a28) == 7)) || !(a == 1)) || !(26 == z)) || !(1 == \old(a19))) || !(x == 24)) || !(8 == \old(a17))) || (a17 <= 7 && 10 == a28)) || !(e == 5)) || !(d == 4)) || !(6 == f)) || !(w == 23) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. SAFE Result, 72.9s OverallTime, 7 OverallIterations, 5 TraceHistogramMax, 53.7s AutomataDifference, 0.0s DeadEndRemovalTime, 5.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 1435 SDtfs, 9803 SDslu, 2023 SDs, 0 SdLazy, 12334 SolverSat, 2768 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 20.8s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 1516 GetRequests, 1362 SyntacticMatches, 6 SemanticMatches, 148 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1010 ImplicationChecksByTransitivity, 6.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3327occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 3.6s AbstIntTime, 5 AbstIntIterations, 3 AbstIntStrong, 0.9969694072760411 AbsIntWeakeningRatio, 0.23617021276595745 AbsIntAvgWeakeningVarsNumRemoved, 23.919148936170213 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 7 MinimizatonAttempts, 501 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 104 PreInvPairs, 178 NumberOfFragments, 929 HoareAnnotationTreeSize, 104 FomulaSimplifications, 9140 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 5328 FormulaSimplificationTreeSizeReductionInter, 4.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 1584 NumberOfCodeBlocks, 1584 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 2024 ConstructedInterpolants, 0 QuantifiedInterpolants, 937284 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1104 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 11 InterpolantComputations, 2 PerfectInterpolantSequences, 1265/1401 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...