java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label54_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-25 00:03:49,507 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-25 00:03:49,509 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-25 00:03:49,521 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-25 00:03:49,522 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-25 00:03:49,523 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-25 00:03:49,524 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-25 00:03:49,526 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-25 00:03:49,528 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-25 00:03:49,528 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-25 00:03:49,529 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-25 00:03:49,530 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-25 00:03:49,531 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-25 00:03:49,532 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-25 00:03:49,533 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-25 00:03:49,534 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-25 00:03:49,535 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-25 00:03:49,537 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-25 00:03:49,539 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-25 00:03:49,540 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-25 00:03:49,541 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-25 00:03:49,543 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-25 00:03:49,545 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-25 00:03:49,555 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf [2018-10-25 00:03:49,581 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-25 00:03:49,582 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-25 00:03:49,582 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-25 00:03:49,583 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-25 00:03:49,583 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-25 00:03:49,583 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-25 00:03:49,583 INFO L133 SettingsManager]: * Explicit value domain=true [2018-10-25 00:03:49,583 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-25 00:03:49,584 INFO L133 SettingsManager]: * Octagon Domain=false [2018-10-25 00:03:49,587 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-25 00:03:49,587 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-25 00:03:49,587 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-25 00:03:49,587 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-25 00:03:49,588 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-25 00:03:49,589 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-25 00:03:49,590 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-25 00:03:49,590 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-25 00:03:49,590 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-25 00:03:49,590 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-25 00:03:49,590 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-25 00:03:49,590 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-25 00:03:49,591 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-25 00:03:49,591 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-25 00:03:49,591 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-25 00:03:49,591 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-25 00:03:49,591 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-25 00:03:49,592 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-25 00:03:49,594 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-25 00:03:49,594 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-25 00:03:49,594 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-25 00:03:49,594 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-25 00:03:49,594 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-25 00:03:49,595 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-25 00:03:49,595 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-25 00:03:49,595 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-25 00:03:49,596 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-25 00:03:49,665 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-25 00:03:49,683 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-25 00:03:49,687 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-25 00:03:49,689 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-25 00:03:49,689 INFO L276 PluginConnector]: CDTParser initialized [2018-10-25 00:03:49,690 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label54_true-unreach-call_false-termination.c [2018-10-25 00:03:49,762 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/0a821ee8f/55d74ccb6c464989809c089248d39101/FLAG2b0a0bc0e [2018-10-25 00:03:50,350 INFO L298 CDTParser]: Found 1 translation units. [2018-10-25 00:03:50,351 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label54_true-unreach-call_false-termination.c [2018-10-25 00:03:50,374 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/0a821ee8f/55d74ccb6c464989809c089248d39101/FLAG2b0a0bc0e [2018-10-25 00:03:50,392 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/0a821ee8f/55d74ccb6c464989809c089248d39101 [2018-10-25 00:03:50,403 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-25 00:03:50,405 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-25 00:03:50,406 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-25 00:03:50,406 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-25 00:03:50,413 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-25 00:03:50,414 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 12:03:50" (1/1) ... [2018-10-25 00:03:50,418 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@497fe8da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:03:50, skipping insertion in model container [2018-10-25 00:03:50,418 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 12:03:50" (1/1) ... [2018-10-25 00:03:50,428 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-25 00:03:50,503 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-25 00:03:50,971 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-25 00:03:50,977 INFO L189 MainTranslator]: Completed pre-run [2018-10-25 00:03:51,120 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-25 00:03:51,141 INFO L193 MainTranslator]: Completed translation [2018-10-25 00:03:51,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:03:51 WrapperNode [2018-10-25 00:03:51,142 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-25 00:03:51,143 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-25 00:03:51,144 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-25 00:03:51,144 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-25 00:03:51,154 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:03:51" (1/1) ... [2018-10-25 00:03:51,191 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:03:51" (1/1) ... [2018-10-25 00:03:51,392 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-25 00:03:51,392 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-25 00:03:51,392 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-25 00:03:51,393 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-25 00:03:51,404 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:03:51" (1/1) ... [2018-10-25 00:03:51,405 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:03:51" (1/1) ... [2018-10-25 00:03:51,417 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:03:51" (1/1) ... [2018-10-25 00:03:51,418 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:03:51" (1/1) ... [2018-10-25 00:03:51,461 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:03:51" (1/1) ... [2018-10-25 00:03:51,483 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:03:51" (1/1) ... [2018-10-25 00:03:51,498 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:03:51" (1/1) ... [2018-10-25 00:03:51,511 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-25 00:03:51,511 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-25 00:03:51,512 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-25 00:03:51,512 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-25 00:03:51,513 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:03:51" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-25 00:03:51,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-25 00:03:51,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-25 00:03:51,592 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-25 00:03:51,592 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-25 00:03:51,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-25 00:03:51,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-25 00:03:51,592 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-25 00:03:51,593 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-25 00:03:54,850 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-25 00:03:54,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 12:03:54 BoogieIcfgContainer [2018-10-25 00:03:54,851 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-25 00:03:54,852 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-25 00:03:54,855 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-25 00:03:54,858 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-25 00:03:54,859 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 12:03:50" (1/3) ... [2018-10-25 00:03:54,859 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ab83997 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 12:03:54, skipping insertion in model container [2018-10-25 00:03:54,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:03:51" (2/3) ... [2018-10-25 00:03:54,861 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ab83997 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 12:03:54, skipping insertion in model container [2018-10-25 00:03:54,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 12:03:54" (3/3) ... [2018-10-25 00:03:54,863 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label54_true-unreach-call_false-termination.c [2018-10-25 00:03:54,874 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-25 00:03:54,883 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-25 00:03:54,899 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-25 00:03:54,936 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-25 00:03:54,937 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-25 00:03:54,937 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-25 00:03:54,937 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-25 00:03:54,937 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-25 00:03:54,937 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-25 00:03:54,938 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-25 00:03:54,938 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-25 00:03:54,963 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-10-25 00:03:54,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-10-25 00:03:54,989 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:03:54,990 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:03:54,993 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:03:54,998 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:03:54,999 INFO L82 PathProgramCache]: Analyzing trace with hash -1112346027, now seen corresponding path program 1 times [2018-10-25 00:03:55,001 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:03:55,053 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:03:55,053 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:03:55,053 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:03:55,053 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:03:55,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:03:55,642 WARN L179 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-25 00:03:55,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 00:03:55,808 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-25 00:03:55,808 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-25 00:03:55,808 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:03:55,815 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-25 00:03:55,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-25 00:03:55,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-25 00:03:55,836 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 3 states. [2018-10-25 00:03:57,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:03:57,291 INFO L93 Difference]: Finished difference Result 550 states and 941 transitions. [2018-10-25 00:03:57,292 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-25 00:03:57,294 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 129 [2018-10-25 00:03:57,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:03:57,313 INFO L225 Difference]: With dead ends: 550 [2018-10-25 00:03:57,313 INFO L226 Difference]: Without dead ends: 340 [2018-10-25 00:03:57,320 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-25 00:03:57,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-10-25 00:03:57,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2018-10-25 00:03:57,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-10-25 00:03:57,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 571 transitions. [2018-10-25 00:03:57,421 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 571 transitions. Word has length 129 [2018-10-25 00:03:57,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:03:57,422 INFO L481 AbstractCegarLoop]: Abstraction has 340 states and 571 transitions. [2018-10-25 00:03:57,422 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-25 00:03:57,422 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 571 transitions. [2018-10-25 00:03:57,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-10-25 00:03:57,429 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:03:57,430 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:03:57,430 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:03:57,431 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:03:57,431 INFO L82 PathProgramCache]: Analyzing trace with hash 167090318, now seen corresponding path program 1 times [2018-10-25 00:03:57,431 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:03:57,432 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:03:57,432 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:03:57,433 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:03:57,433 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:03:57,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:03:57,835 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 00:03:57,835 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-25 00:03:57,836 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-25 00:03:57,836 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:03:57,840 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-25 00:03:57,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-25 00:03:57,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-25 00:03:57,841 INFO L87 Difference]: Start difference. First operand 340 states and 571 transitions. Second operand 3 states. [2018-10-25 00:03:58,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:03:58,777 INFO L93 Difference]: Finished difference Result 946 states and 1655 transitions. [2018-10-25 00:03:58,778 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-25 00:03:58,778 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 147 [2018-10-25 00:03:58,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:03:58,787 INFO L225 Difference]: With dead ends: 946 [2018-10-25 00:03:58,788 INFO L226 Difference]: Without dead ends: 612 [2018-10-25 00:03:58,793 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-25 00:03:58,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 612 states. [2018-10-25 00:03:58,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 612 to 612. [2018-10-25 00:03:58,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 612 states. [2018-10-25 00:03:58,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 985 transitions. [2018-10-25 00:03:58,835 INFO L78 Accepts]: Start accepts. Automaton has 612 states and 985 transitions. Word has length 147 [2018-10-25 00:03:58,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:03:58,836 INFO L481 AbstractCegarLoop]: Abstraction has 612 states and 985 transitions. [2018-10-25 00:03:58,836 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-25 00:03:58,837 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 985 transitions. [2018-10-25 00:03:58,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-10-25 00:03:58,844 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:03:58,846 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:03:58,846 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:03:58,847 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:03:58,847 INFO L82 PathProgramCache]: Analyzing trace with hash 792982298, now seen corresponding path program 1 times [2018-10-25 00:03:58,847 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:03:58,851 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:03:58,852 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:03:58,852 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:03:58,852 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:03:58,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:03:59,148 WARN L179 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-25 00:03:59,256 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 00:03:59,256 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-25 00:03:59,256 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-25 00:03:59,256 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:03:59,257 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-25 00:03:59,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-25 00:03:59,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-25 00:03:59,258 INFO L87 Difference]: Start difference. First operand 612 states and 985 transitions. Second operand 6 states. [2018-10-25 00:04:01,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:04:01,716 INFO L93 Difference]: Finished difference Result 1816 states and 2955 transitions. [2018-10-25 00:04:01,716 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-25 00:04:01,716 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 174 [2018-10-25 00:04:01,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:04:01,725 INFO L225 Difference]: With dead ends: 1816 [2018-10-25 00:04:01,726 INFO L226 Difference]: Without dead ends: 1210 [2018-10-25 00:04:01,730 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-25 00:04:01,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1210 states. [2018-10-25 00:04:01,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1210 to 1196. [2018-10-25 00:04:01,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1196 states. [2018-10-25 00:04:01,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1196 states to 1196 states and 1733 transitions. [2018-10-25 00:04:01,800 INFO L78 Accepts]: Start accepts. Automaton has 1196 states and 1733 transitions. Word has length 174 [2018-10-25 00:04:01,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:04:01,800 INFO L481 AbstractCegarLoop]: Abstraction has 1196 states and 1733 transitions. [2018-10-25 00:04:01,800 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-25 00:04:01,800 INFO L276 IsEmpty]: Start isEmpty. Operand 1196 states and 1733 transitions. [2018-10-25 00:04:01,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-10-25 00:04:01,808 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:04:01,808 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:04:01,808 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:04:01,809 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:04:01,810 INFO L82 PathProgramCache]: Analyzing trace with hash 1874239161, now seen corresponding path program 1 times [2018-10-25 00:04:01,810 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:04:01,811 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:04:01,811 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:04:01,811 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:04:01,812 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:04:01,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:04:02,057 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-25 00:04:02,110 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 50 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-25 00:04:02,110 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:04:02,110 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:04:02,111 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 186 with the following transitions: [2018-10-25 00:04:02,114 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [13], [14], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [149], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [669], [671], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-10-25 00:04:02,186 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:04:02,187 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:04:02,880 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-25 00:04:02,882 INFO L272 AbstractInterpreter]: Visited 130 different actions 130 times. Never merged. Never widened. Never found a fixpoint. Largest state had 42 variables. [2018-10-25 00:04:02,925 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:04:02,925 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-25 00:04:03,494 INFO L232 lantSequenceWeakener]: Weakened 176 states. On average, predicates are now at 80.54% of their original sizes. [2018-10-25 00:04:03,494 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-25 00:04:03,767 INFO L413 sIntCurrentIteration]: We have 184 unified AI predicates [2018-10-25 00:04:03,767 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-25 00:04:03,768 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-25 00:04:03,768 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-10-25 00:04:03,769 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:04:03,770 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-25 00:04:03,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-25 00:04:03,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-25 00:04:03,770 INFO L87 Difference]: Start difference. First operand 1196 states and 1733 transitions. Second operand 6 states. [2018-10-25 00:04:14,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:04:14,355 INFO L93 Difference]: Finished difference Result 2524 states and 3667 transitions. [2018-10-25 00:04:14,356 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-25 00:04:14,356 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 185 [2018-10-25 00:04:14,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:04:14,363 INFO L225 Difference]: With dead ends: 2524 [2018-10-25 00:04:14,364 INFO L226 Difference]: Without dead ends: 1334 [2018-10-25 00:04:14,368 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 185 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-10-25 00:04:14,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1334 states. [2018-10-25 00:04:14,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1334 to 1332. [2018-10-25 00:04:14,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1332 states. [2018-10-25 00:04:14,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1332 states to 1332 states and 1878 transitions. [2018-10-25 00:04:14,410 INFO L78 Accepts]: Start accepts. Automaton has 1332 states and 1878 transitions. Word has length 185 [2018-10-25 00:04:14,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:04:14,410 INFO L481 AbstractCegarLoop]: Abstraction has 1332 states and 1878 transitions. [2018-10-25 00:04:14,410 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-25 00:04:14,411 INFO L276 IsEmpty]: Start isEmpty. Operand 1332 states and 1878 transitions. [2018-10-25 00:04:14,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-10-25 00:04:14,417 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:04:14,418 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:04:14,418 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:04:14,418 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:04:14,419 INFO L82 PathProgramCache]: Analyzing trace with hash -1542941171, now seen corresponding path program 1 times [2018-10-25 00:04:14,419 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:04:14,420 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:04:14,420 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:04:14,420 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:04:14,420 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:04:14,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:04:14,733 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 61 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 00:04:14,733 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:04:14,733 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:04:14,734 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 187 with the following transitions: [2018-10-25 00:04:14,735 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [149], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [669], [671], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-10-25 00:04:14,741 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:04:14,742 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:04:15,281 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-25 00:04:15,281 INFO L272 AbstractInterpreter]: Visited 133 different actions 259 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-10-25 00:04:15,290 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:04:15,290 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-25 00:04:16,009 INFO L232 lantSequenceWeakener]: Weakened 158 states. On average, predicates are now at 80.83% of their original sizes. [2018-10-25 00:04:16,009 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-25 00:04:19,459 INFO L413 sIntCurrentIteration]: We have 185 unified AI predicates [2018-10-25 00:04:19,460 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-25 00:04:19,460 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-25 00:04:19,460 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [6] total 19 [2018-10-25 00:04:19,460 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:04:19,461 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-10-25 00:04:19,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-10-25 00:04:19,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2018-10-25 00:04:19,462 INFO L87 Difference]: Start difference. First operand 1332 states and 1878 transitions. Second operand 15 states. [2018-10-25 00:04:37,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:04:37,083 INFO L93 Difference]: Finished difference Result 3225 states and 4721 transitions. [2018-10-25 00:04:37,083 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-10-25 00:04:37,083 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 186 [2018-10-25 00:04:37,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:04:37,084 INFO L225 Difference]: With dead ends: 3225 [2018-10-25 00:04:37,084 INFO L226 Difference]: Without dead ends: 0 [2018-10-25 00:04:37,094 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 192 GetRequests, 68 SyntacticMatches, 104 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 898 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=112, Invalid=350, Unknown=0, NotChecked=0, Total=462 [2018-10-25 00:04:37,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-25 00:04:37,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-25 00:04:37,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-25 00:04:37,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-25 00:04:37,095 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 186 [2018-10-25 00:04:37,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:04:37,096 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-25 00:04:37,096 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-10-25 00:04:37,096 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-25 00:04:37,096 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-25 00:04:37,101 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-25 00:04:37,531 WARN L179 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2018-10-25 00:04:37,811 WARN L179 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 86 [2018-10-25 00:04:38,530 WARN L179 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 120 [2018-10-25 00:04:38,719 WARN L179 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 92 [2018-10-25 00:04:38,900 WARN L179 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 94 [2018-10-25 00:04:38,904 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-25 00:04:38,904 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~a7~0)| ~a7~0) [2018-10-25 00:04:38,904 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-25 00:04:38,905 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-10-25 00:04:38,905 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-10-25 00:04:38,905 INFO L425 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:04:38,905 INFO L425 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:04:38,905 INFO L425 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:04:38,905 INFO L425 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:04:38,906 INFO L425 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:04:38,906 INFO L425 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:04:38,906 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-10-25 00:04:38,906 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-10-25 00:04:38,906 INFO L425 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-10-25 00:04:38,906 INFO L425 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-10-25 00:04:38,906 INFO L425 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-10-25 00:04:38,907 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-10-25 00:04:38,907 INFO L425 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-10-25 00:04:38,907 INFO L425 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-10-25 00:04:38,907 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-10-25 00:04:38,907 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-10-25 00:04:38,907 INFO L425 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:04:38,907 INFO L425 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:04:38,907 INFO L425 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:04:38,907 INFO L425 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:04:38,908 INFO L425 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:04:38,908 INFO L425 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:04:38,908 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-10-25 00:04:38,908 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-10-25 00:04:38,908 INFO L425 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-10-25 00:04:38,908 INFO L425 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-10-25 00:04:38,908 INFO L425 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-10-25 00:04:38,908 INFO L425 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-10-25 00:04:38,909 INFO L425 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-10-25 00:04:38,909 INFO L425 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-10-25 00:04:38,909 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-10-25 00:04:38,909 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-10-25 00:04:38,909 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-10-25 00:04:38,909 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-10-25 00:04:38,909 INFO L425 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-10-25 00:04:38,910 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-10-25 00:04:38,910 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 542) no Hoare annotation was computed. [2018-10-25 00:04:38,910 INFO L425 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-10-25 00:04:38,910 INFO L425 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:04:38,910 INFO L425 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:04:38,910 INFO L425 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:04:38,910 INFO L425 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:04:38,911 INFO L425 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:04:38,911 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-10-25 00:04:38,911 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-10-25 00:04:38,911 INFO L425 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-10-25 00:04:38,911 INFO L425 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-10-25 00:04:38,911 INFO L425 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-10-25 00:04:38,911 INFO L425 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-10-25 00:04:38,911 INFO L425 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-10-25 00:04:38,911 INFO L425 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-10-25 00:04:38,912 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-10-25 00:04:38,912 INFO L425 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:04:38,912 INFO L425 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:04:38,912 INFO L425 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:04:38,912 INFO L425 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:04:38,912 INFO L425 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:04:38,912 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-10-25 00:04:38,912 INFO L425 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-10-25 00:04:38,913 INFO L425 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-10-25 00:04:38,913 INFO L425 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-10-25 00:04:38,913 INFO L425 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-10-25 00:04:38,913 INFO L425 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-10-25 00:04:38,913 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-10-25 00:04:38,913 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-10-25 00:04:38,913 INFO L425 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-10-25 00:04:38,913 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-10-25 00:04:38,913 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-10-25 00:04:38,914 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-10-25 00:04:38,914 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-10-25 00:04:38,914 INFO L425 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:04:38,914 INFO L425 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:04:38,914 INFO L425 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:04:38,914 INFO L425 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:04:38,914 INFO L425 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:04:38,914 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-10-25 00:04:38,914 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-10-25 00:04:38,915 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-10-25 00:04:38,915 INFO L425 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-10-25 00:04:38,915 INFO L425 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-10-25 00:04:38,915 INFO L425 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-10-25 00:04:38,915 INFO L425 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-10-25 00:04:38,915 INFO L425 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-10-25 00:04:38,915 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-10-25 00:04:38,915 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:04:38,916 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:04:38,916 INFO L425 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:04:38,916 INFO L425 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:04:38,916 INFO L425 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:04:38,916 INFO L425 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:04:38,916 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-10-25 00:04:38,916 INFO L425 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:04:38,916 INFO L425 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-10-25 00:04:38,916 INFO L425 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-10-25 00:04:38,917 INFO L425 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-10-25 00:04:38,917 INFO L425 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-10-25 00:04:38,917 INFO L425 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-10-25 00:04:38,917 INFO L425 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-10-25 00:04:38,917 INFO L425 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-10-25 00:04:38,917 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-10-25 00:04:38,917 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-10-25 00:04:38,917 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-10-25 00:04:38,918 INFO L425 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-10-25 00:04:38,918 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-10-25 00:04:38,918 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-10-25 00:04:38,918 INFO L425 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:04:38,918 INFO L425 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:04:38,918 INFO L425 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:04:38,918 INFO L425 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:04:38,918 INFO L425 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:04:38,918 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-10-25 00:04:38,919 INFO L425 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-10-25 00:04:38,919 INFO L425 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-10-25 00:04:38,919 INFO L425 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-10-25 00:04:38,919 INFO L425 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-10-25 00:04:38,919 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-10-25 00:04:38,919 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-10-25 00:04:38,919 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-10-25 00:04:38,919 INFO L425 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:04:38,920 INFO L425 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:04:38,920 INFO L425 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:04:38,920 INFO L425 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:04:38,920 INFO L425 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:04:38,920 INFO L425 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-10-25 00:04:38,920 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-10-25 00:04:38,920 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-10-25 00:04:38,920 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-10-25 00:04:38,921 INFO L425 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-10-25 00:04:38,921 INFO L425 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-10-25 00:04:38,921 INFO L425 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-10-25 00:04:38,921 INFO L425 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-10-25 00:04:38,921 INFO L425 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-10-25 00:04:38,921 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-10-25 00:04:38,922 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse4 (= ~a17~0 1)) (.cse1 (= ~a12~0 8)) (.cse0 (= |calculate_output_#in~input| 0)) (.cse5 (= 1 |old(~a17~0)|))) (let ((.cse2 (= |old(~a7~0)| ~a7~0)) (.cse6 (or (not (= 1 |old(~a21~0)|)) (not (= 1 |old(~a20~0)|)) (= 0 |old(~a16~0)|) (not (= 8 ~a12~0)) .cse0 (= 0 |old(~a8~0)|) (not .cse5))) (.cse7 (and (not (= ~a16~0 0)) (not (= ~a8~0 0)) .cse4 .cse1 (= ~a21~0 1) (= ~a20~0 1) (not .cse0))) (.cse3 (= 14 |old(~a8~0)|))) (and (or (not (= |old(~a16~0)| 5)) (not (= |old(~a7~0)| 0)) (or (not (= ~v~0 22)) (not (= ~u~0 21)) (not (= |old(~a21~0)| 1)) (not (= ~b~0 2)) (not (= ~y~0 25)) (not (= 3 ~c~0)) (not (= |old(~a20~0)| 1)) .cse0 (not (= ~a~0 1)) (not (= 26 ~z~0)) (not (= ~x~0 24)) (not (= |old(~a17~0)| 1)) (not .cse1) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 6 ~f~0)) (not (= ~w~0 23))) (and (= ~a8~0 15) (= ~a16~0 5)) (not (= |old(~a8~0)| 15))) (or (and .cse2 (not (= ~a8~0 14))) .cse3) (or (and .cse2 (not .cse4)) .cse5) (or (= 1 |old(~a7~0)|) .cse6 (and .cse7 .cse2)) (or .cse6 .cse7 .cse3)))) [2018-10-25 00:04:38,922 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-10-25 00:04:38,922 INFO L425 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:04:38,922 INFO L425 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:04:38,923 INFO L425 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:04:38,923 INFO L425 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:04:38,923 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-10-25 00:04:38,923 INFO L425 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:04:38,923 INFO L425 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:04:38,923 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-10-25 00:04:38,923 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-10-25 00:04:38,923 INFO L425 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-10-25 00:04:38,924 INFO L425 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-10-25 00:04:38,924 INFO L425 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-10-25 00:04:38,924 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-10-25 00:04:38,924 INFO L425 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-10-25 00:04:38,924 INFO L425 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-10-25 00:04:38,924 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-10-25 00:04:38,924 INFO L425 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-10-25 00:04:38,924 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-10-25 00:04:38,925 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-10-25 00:04:38,925 INFO L425 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:04:38,925 INFO L425 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:04:38,925 INFO L425 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:04:38,925 INFO L425 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:04:38,925 INFO L425 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:04:38,925 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-10-25 00:04:38,925 INFO L425 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:04:38,925 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-10-25 00:04:38,926 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-10-25 00:04:38,926 INFO L425 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-10-25 00:04:38,926 INFO L425 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-10-25 00:04:38,926 INFO L425 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-10-25 00:04:38,926 INFO L425 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-10-25 00:04:38,926 INFO L425 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-10-25 00:04:38,926 INFO L425 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-10-25 00:04:38,926 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-10-25 00:04:38,927 INFO L425 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-10-25 00:04:38,927 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-10-25 00:04:38,927 INFO L425 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-10-25 00:04:38,927 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-10-25 00:04:38,927 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-10-25 00:04:38,927 INFO L425 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:04:38,927 INFO L425 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:04:38,927 INFO L425 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:04:38,928 INFO L425 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:04:38,928 INFO L425 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:04:38,928 INFO L425 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-10-25 00:04:38,928 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-10-25 00:04:38,928 INFO L425 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-10-25 00:04:38,928 INFO L425 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-10-25 00:04:38,928 INFO L425 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-10-25 00:04:38,928 INFO L425 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-10-25 00:04:38,928 INFO L425 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-10-25 00:04:38,928 INFO L425 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-10-25 00:04:38,929 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-10-25 00:04:38,929 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-10-25 00:04:38,929 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-10-25 00:04:38,929 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-25 00:04:38,929 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~d~0 4) (= ~a8~0 15) (= ~z~0 26) (= ~a17~0 1) (= ~c~0 3) (= ~a21~0 1) (= ~f~0 6) (= ~w~0 23) (= ~u~0 21) (= ~v~0 22) (= ~a7~0 0) (= ~y~0 25) (= ~e~0 5) (= ~x~0 24) (= ~b~0 2) (= ~a~0 1) (= ~a12~0 8) (= ~a20~0 1) (= ~a16~0 5)) [2018-10-25 00:04:38,929 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-25 00:04:38,929 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-25 00:04:38,929 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= ~v~0 22)) (not (= ~u~0 21)) (not (= |old(~a16~0)| 5)) (not (= |old(~a21~0)| 1)) (not (= ~b~0 2)) (not (= ~y~0 25)) (not (= |old(~a7~0)| 0)) (not (= 3 ~c~0)) (not (= |old(~a20~0)| 1)) (not (= ~a~0 1)) (and (= ~a8~0 15) (= ~a21~0 1) (= ~a17~0 1) (= |old(~a7~0)| ~a7~0) (= ~a20~0 1) (= ~a16~0 5)) (not (= 26 ~z~0)) (not (= ~x~0 24)) (not (= |old(~a17~0)| 1)) (not (= ~a12~0 8)) (not (= ~e~0 5)) (not (= |old(~a8~0)| 15)) (not (= ~d~0 4)) (not (= 6 ~f~0)) (not (= ~w~0 23))) [2018-10-25 00:04:38,929 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-10-25 00:04:38,930 INFO L421 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (or (not (= ~a17~0 1)) (and (not (= ~a16~0 0)) (not (= ~a7~0 1)) (not (= main_~input~0 0)) (= ~a21~0 1) (= ~a20~0 1)) (not (= ~v~0 22)) (not (= ~u~0 21)) (not (= |old(~a16~0)| 5)) (not (= |old(~a21~0)| 1)) (not (= ~b~0 2)) (not (= ~y~0 25)) (not (= |old(~a7~0)| 0)) (not (= 3 ~c~0)) (not (= |old(~a20~0)| 1)) (not (= ~a8~0 14)) (not (= ~a~0 1)) (not (= 26 ~z~0)) (not (= ~x~0 24)) (not (= |old(~a17~0)| 1)) (not (= ~a12~0 8)) (not (= ~e~0 5)) (not (= |old(~a8~0)| 15)) (not (= ~d~0 4)) (not (= 6 ~f~0)) (not (= ~w~0 23))) [2018-10-25 00:04:38,930 INFO L425 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-10-25 00:04:38,930 INFO L425 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-10-25 00:04:38,930 INFO L425 ceAbstractionStarter]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2018-10-25 00:04:38,930 INFO L421 ceAbstractionStarter]: At program point L583-3(lines 583 593) the Hoare annotation is: (or (and (not (= ~a7~0 1)) (and (not (= ~a16~0 0)) (= ~a21~0 1) (= ~a20~0 1))) (not (= ~a17~0 1)) (not (= ~v~0 22)) (not (= ~u~0 21)) (not (= |old(~a16~0)| 5)) (not (= |old(~a21~0)| 1)) (not (= ~b~0 2)) (not (= ~y~0 25)) (not (= |old(~a7~0)| 0)) (not (= 3 ~c~0)) (not (= |old(~a20~0)| 1)) (not (= ~a8~0 14)) (not (= ~a~0 1)) (not (= 26 ~z~0)) (not (= ~x~0 24)) (not (= |old(~a17~0)| 1)) (not (= ~a12~0 8)) (not (= ~e~0 5)) (not (= |old(~a8~0)| 15)) (not (= ~d~0 4)) (not (= 6 ~f~0)) (not (= ~w~0 23))) [2018-10-25 00:04:38,930 INFO L425 ceAbstractionStarter]: For program point L583-4(lines 577 594) no Hoare annotation was computed. [2018-10-25 00:04:38,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 12:04:38 BoogieIcfgContainer [2018-10-25 00:04:38,944 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-25 00:04:38,945 INFO L168 Benchmark]: Toolchain (without parser) took 48541.41 ms. Allocated memory was 1.5 GB in the beginning and 3.2 GB in the end (delta: 1.7 GB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -873.1 MB). Peak memory consumption was 850.2 MB. Max. memory is 7.1 GB. [2018-10-25 00:04:38,947 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-25 00:04:38,947 INFO L168 Benchmark]: CACSL2BoogieTranslator took 736.59 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. [2018-10-25 00:04:38,948 INFO L168 Benchmark]: Boogie Procedure Inliner took 248.67 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 728.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -809.9 MB). Peak memory consumption was 19.1 MB. Max. memory is 7.1 GB. [2018-10-25 00:04:38,949 INFO L168 Benchmark]: Boogie Preprocessor took 118.79 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-25 00:04:38,949 INFO L168 Benchmark]: RCFGBuilder took 3339.92 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 110.6 MB). Peak memory consumption was 110.6 MB. Max. memory is 7.1 GB. [2018-10-25 00:04:38,950 INFO L168 Benchmark]: TraceAbstraction took 44092.08 ms. Allocated memory was 2.3 GB in the beginning and 3.2 GB in the end (delta: 994.6 MB). Free memory was 2.1 GB in the beginning and 2.3 GB in the end (delta: -205.5 MB). Peak memory consumption was 789.1 MB. Max. memory is 7.1 GB. [2018-10-25 00:04:38,956 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 736.59 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 248.67 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 728.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -809.9 MB). Peak memory consumption was 19.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 118.79 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 3339.92 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 110.6 MB). Peak memory consumption was 110.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 44092.08 ms. Allocated memory was 2.3 GB in the beginning and 3.2 GB in the end (delta: 994.6 MB). Free memory was 2.1 GB in the beginning and 2.3 GB in the end (delta: -205.5 MB). Peak memory consumption was 789.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 542]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((((((((((((((((((((!(a7 == 1) && (!(a16 == 0) && a21 == 1) && a20 == 1) || !(a17 == 1)) || !(v == 22)) || !(u == 21)) || !(\old(a16) == 5)) || !(\old(a21) == 1)) || !(b == 2)) || !(y == 25)) || !(\old(a7) == 0)) || !(3 == c)) || !(\old(a20) == 1)) || !(a8 == 14)) || !(a == 1)) || !(26 == z)) || !(x == 24)) || !(\old(a17) == 1)) || !(a12 == 8)) || !(e == 5)) || !(\old(a8) == 15)) || !(d == 4)) || !(6 == f)) || !(w == 23) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. SAFE Result, 44.0s OverallTime, 5 OverallIterations, 3 TraceHistogramMax, 33.1s AutomataDifference, 0.0s DeadEndRemovalTime, 1.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 878 SDtfs, 2184 SDslu, 546 SDs, 0 SdLazy, 5458 SolverSat, 702 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.3s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 397 GetRequests, 255 SyntacticMatches, 108 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 902 ImplicationChecksByTransitivity, 4.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1332occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.3s AbstIntTime, 2 AbstIntIterations, 2 AbstIntStrong, 0.9980816128394325 AbsIntWeakeningRatio, 0.1897018970189702 AbsIntAvgWeakeningVarsNumRemoved, 15.772357723577235 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 16 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 39 PreInvPairs, 66 NumberOfFragments, 590 HoareAnnotationTreeSize, 39 FomulaSimplifications, 2945 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1801 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 821 NumberOfCodeBlocks, 821 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 816 ConstructedInterpolants, 0 QuantifiedInterpolants, 340840 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 173/181 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...