./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/eca-rers2012/Problem01_label41_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/eca-rers2012/Problem01_label41_true-unreach-call_false-termination.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 936e1fac1e718929285e646469efe9b1619e10b2 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 16:41:33,607 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 16:41:33,609 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 16:41:33,626 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 16:41:33,626 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 16:41:33,628 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 16:41:33,631 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 16:41:33,633 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 16:41:33,635 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 16:41:33,636 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 16:41:33,637 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 16:41:33,637 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 16:41:33,638 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 16:41:33,639 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 16:41:33,643 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 16:41:33,644 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 16:41:33,647 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 16:41:33,655 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 16:41:33,658 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 16:41:33,661 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 16:41:33,664 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 16:41:33,667 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 16:41:33,670 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 16:41:33,670 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 16:41:33,671 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 16:41:33,673 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 16:41:33,677 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 16:41:33,678 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 16:41:33,679 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 16:41:33,681 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 16:41:33,682 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 16:41:33,682 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 16:41:33,683 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 16:41:33,683 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 16:41:33,684 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 16:41:33,685 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 16:41:33,685 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 16:41:33,705 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 16:41:33,706 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 16:41:33,707 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 16:41:33,707 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 16:41:33,708 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 16:41:33,708 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 16:41:33,708 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 16:41:33,708 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 16:41:33,708 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 16:41:33,709 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 16:41:33,709 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 16:41:33,709 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 16:41:33,709 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 16:41:33,709 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 16:41:33,711 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 16:41:33,711 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 16:41:33,711 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 16:41:33,711 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 16:41:33,712 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 16:41:33,712 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 16:41:33,712 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 16:41:33,713 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 16:41:33,713 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 16:41:33,713 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 16:41:33,713 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 16:41:33,713 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 16:41:33,713 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 16:41:33,714 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 16:41:33,714 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 16:41:33,714 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 16:41:33,714 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 936e1fac1e718929285e646469efe9b1619e10b2 [2018-11-28 16:41:33,774 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 16:41:33,791 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 16:41:33,798 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 16:41:33,800 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 16:41:33,800 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 16:41:33,802 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/eca-rers2012/Problem01_label41_true-unreach-call_false-termination.c [2018-11-28 16:41:33,860 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fb54e6fd/6cc7528a7a5146a18c68db0acd374e7d/FLAGa8a621174 [2018-11-28 16:41:34,388 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 16:41:34,390 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/eca-rers2012/Problem01_label41_true-unreach-call_false-termination.c [2018-11-28 16:41:34,408 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fb54e6fd/6cc7528a7a5146a18c68db0acd374e7d/FLAGa8a621174 [2018-11-28 16:41:34,646 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fb54e6fd/6cc7528a7a5146a18c68db0acd374e7d [2018-11-28 16:41:34,650 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 16:41:34,652 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 16:41:34,652 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 16:41:34,653 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 16:41:34,657 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 16:41:34,658 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:41:34" (1/1) ... [2018-11-28 16:41:34,662 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f015bab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:34, skipping insertion in model container [2018-11-28 16:41:34,663 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:41:34" (1/1) ... [2018-11-28 16:41:34,671 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 16:41:34,735 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 16:41:35,199 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 16:41:35,209 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 16:41:35,367 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 16:41:35,391 INFO L195 MainTranslator]: Completed translation [2018-11-28 16:41:35,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:35 WrapperNode [2018-11-28 16:41:35,391 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 16:41:35,392 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 16:41:35,393 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 16:41:35,393 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 16:41:35,403 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:35" (1/1) ... [2018-11-28 16:41:35,439 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:35" (1/1) ... [2018-11-28 16:41:35,551 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 16:41:35,551 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 16:41:35,551 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 16:41:35,552 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 16:41:35,563 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:35" (1/1) ... [2018-11-28 16:41:35,563 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:35" (1/1) ... [2018-11-28 16:41:35,578 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:35" (1/1) ... [2018-11-28 16:41:35,578 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:35" (1/1) ... [2018-11-28 16:41:35,632 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:35" (1/1) ... [2018-11-28 16:41:35,648 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:35" (1/1) ... [2018-11-28 16:41:35,654 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:35" (1/1) ... [2018-11-28 16:41:35,660 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 16:41:35,661 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 16:41:35,661 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 16:41:35,661 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 16:41:35,662 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:35" (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 [2018-11-28 16:41:35,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 16:41:35,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 16:41:35,742 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-28 16:41:35,742 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-28 16:41:35,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 16:41:35,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 16:41:35,743 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 16:41:35,743 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 16:41:38,877 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 16:41:38,877 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-28 16:41:38,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:41:38 BoogieIcfgContainer [2018-11-28 16:41:38,878 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 16:41:38,880 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 16:41:38,885 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 16:41:38,889 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 16:41:38,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:41:34" (1/3) ... [2018-11-28 16:41:38,891 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d8e5867 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:41:38, skipping insertion in model container [2018-11-28 16:41:38,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:35" (2/3) ... [2018-11-28 16:41:38,892 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d8e5867 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:41:38, skipping insertion in model container [2018-11-28 16:41:38,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:41:38" (3/3) ... [2018-11-28 16:41:38,896 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label41_true-unreach-call_false-termination.c [2018-11-28 16:41:38,907 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 16:41:38,921 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 16:41:38,942 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 16:41:38,992 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 16:41:38,993 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 16:41:38,993 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 16:41:38,994 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 16:41:38,994 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 16:41:38,994 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 16:41:38,995 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 16:41:38,995 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 16:41:38,995 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 16:41:39,021 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2018-11-28 16:41:39,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-11-28 16:41:39,032 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:41:39,034 INFO L402 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] [2018-11-28 16:41:39,036 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:41:39,042 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:41:39,042 INFO L82 PathProgramCache]: Analyzing trace with hash -1692915649, now seen corresponding path program 1 times [2018-11-28 16:41:39,044 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:41:39,044 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:41:39,092 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:41:39,092 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:41:39,093 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:41:39,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:41:39,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 16:41:39,611 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 16:41:39,612 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 16:41:39,620 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 16:41:39,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 16:41:39,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 16:41:39,640 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2018-11-28 16:41:41,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:41:41,150 INFO L93 Difference]: Finished difference Result 547 states and 938 transitions. [2018-11-28 16:41:41,153 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 16:41:41,154 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 91 [2018-11-28 16:41:41,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:41:41,171 INFO L225 Difference]: With dead ends: 547 [2018-11-28 16:41:41,172 INFO L226 Difference]: Without dead ends: 278 [2018-11-28 16:41:41,179 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 16:41:41,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2018-11-28 16:41:41,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2018-11-28 16:41:41,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2018-11-28 16:41:41,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 400 transitions. [2018-11-28 16:41:41,254 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 400 transitions. Word has length 91 [2018-11-28 16:41:41,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:41:41,255 INFO L480 AbstractCegarLoop]: Abstraction has 278 states and 400 transitions. [2018-11-28 16:41:41,255 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 16:41:41,255 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 400 transitions. [2018-11-28 16:41:41,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-11-28 16:41:41,262 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:41:41,262 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-11-28 16:41:41,263 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:41:41,263 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:41:41,263 INFO L82 PathProgramCache]: Analyzing trace with hash 1768869960, now seen corresponding path program 1 times [2018-11-28 16:41:41,264 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:41:41,264 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:41:41,265 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:41:41,265 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:41:41,265 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:41:41,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:41:41,465 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 16:41:41,465 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 16:41:41,465 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 16:41:41,468 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 16:41:41,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 16:41:41,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-28 16:41:41,469 INFO L87 Difference]: Start difference. First operand 278 states and 400 transitions. Second operand 6 states. [2018-11-28 16:41:43,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:41:43,387 INFO L93 Difference]: Finished difference Result 703 states and 1026 transitions. [2018-11-28 16:41:43,388 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 16:41:43,388 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 101 [2018-11-28 16:41:43,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:41:43,397 INFO L225 Difference]: With dead ends: 703 [2018-11-28 16:41:43,397 INFO L226 Difference]: Without dead ends: 431 [2018-11-28 16:41:43,400 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-28 16:41:43,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2018-11-28 16:41:43,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 419. [2018-11-28 16:41:43,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2018-11-28 16:41:43,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 588 transitions. [2018-11-28 16:41:43,456 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 588 transitions. Word has length 101 [2018-11-28 16:41:43,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:41:43,457 INFO L480 AbstractCegarLoop]: Abstraction has 419 states and 588 transitions. [2018-11-28 16:41:43,457 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 16:41:43,457 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 588 transitions. [2018-11-28 16:41:43,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-28 16:41:43,465 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:41:43,465 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 16:41:43,465 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:41:43,465 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:41:43,466 INFO L82 PathProgramCache]: Analyzing trace with hash 1027824070, now seen corresponding path program 1 times [2018-11-28 16:41:43,472 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:41:43,472 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:41:43,473 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:41:43,473 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:41:43,473 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:41:43,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:41:43,676 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 16:41:43,676 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 16:41:43,676 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 16:41:43,677 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 16:41:43,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 16:41:43,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 16:41:43,677 INFO L87 Difference]: Start difference. First operand 419 states and 588 transitions. Second operand 3 states. [2018-11-28 16:41:44,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:41:44,393 INFO L93 Difference]: Finished difference Result 1241 states and 1781 transitions. [2018-11-28 16:41:44,394 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 16:41:44,394 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 102 [2018-11-28 16:41:44,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:41:44,400 INFO L225 Difference]: With dead ends: 1241 [2018-11-28 16:41:44,400 INFO L226 Difference]: Without dead ends: 828 [2018-11-28 16:41:44,402 INFO L631 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 [2018-11-28 16:41:44,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2018-11-28 16:41:44,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 828. [2018-11-28 16:41:44,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 828 states. [2018-11-28 16:41:44,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 828 states and 1140 transitions. [2018-11-28 16:41:44,439 INFO L78 Accepts]: Start accepts. Automaton has 828 states and 1140 transitions. Word has length 102 [2018-11-28 16:41:44,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:41:44,439 INFO L480 AbstractCegarLoop]: Abstraction has 828 states and 1140 transitions. [2018-11-28 16:41:44,440 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 16:41:44,440 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 1140 transitions. [2018-11-28 16:41:44,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-11-28 16:41:44,444 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:41:44,444 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-11-28 16:41:44,445 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:41:44,445 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:41:44,445 INFO L82 PathProgramCache]: Analyzing trace with hash -1016446174, now seen corresponding path program 1 times [2018-11-28 16:41:44,445 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:41:44,445 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:41:44,446 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:41:44,446 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:41:44,446 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:41:44,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:41:44,680 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-28 16:41:44,772 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 16:41:44,773 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 16:41:44,773 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 16:41:44,773 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 16:41:44,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 16:41:44,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-28 16:41:44,774 INFO L87 Difference]: Start difference. First operand 828 states and 1140 transitions. Second operand 6 states. [2018-11-28 16:41:47,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:41:47,427 INFO L93 Difference]: Finished difference Result 2250 states and 3291 transitions. [2018-11-28 16:41:47,427 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 16:41:47,427 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 116 [2018-11-28 16:41:47,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:41:47,443 INFO L225 Difference]: With dead ends: 2250 [2018-11-28 16:41:47,443 INFO L226 Difference]: Without dead ends: 1428 [2018-11-28 16:41:47,446 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-28 16:41:47,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1428 states. [2018-11-28 16:41:47,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1428 to 1400. [2018-11-28 16:41:47,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1400 states. [2018-11-28 16:41:47,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1400 states to 1400 states and 1852 transitions. [2018-11-28 16:41:47,534 INFO L78 Accepts]: Start accepts. Automaton has 1400 states and 1852 transitions. Word has length 116 [2018-11-28 16:41:47,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:41:47,536 INFO L480 AbstractCegarLoop]: Abstraction has 1400 states and 1852 transitions. [2018-11-28 16:41:47,536 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 16:41:47,536 INFO L276 IsEmpty]: Start isEmpty. Operand 1400 states and 1852 transitions. [2018-11-28 16:41:47,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-28 16:41:47,545 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:41:47,546 INFO L402 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 16:41:47,547 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:41:47,547 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:41:47,547 INFO L82 PathProgramCache]: Analyzing trace with hash -1605716217, now seen corresponding path program 1 times [2018-11-28 16:41:47,547 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:41:47,547 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:41:47,548 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:41:47,548 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:41:47,551 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:41:47,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:41:47,755 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 45 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 16:41:47,756 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 16:41:47,756 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP 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 [2018-11-28 16:41:47,768 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:41:47,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:41:47,892 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 16:41:48,214 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 45 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 16:41:48,250 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 16:41:48,250 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2018-11-28 16:41:48,251 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 16:41:48,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 16:41:48,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-11-28 16:41:48,252 INFO L87 Difference]: Start difference. First operand 1400 states and 1852 transitions. Second operand 7 states. [2018-11-28 16:41:50,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:41:50,601 INFO L93 Difference]: Finished difference Result 3245 states and 4457 transitions. [2018-11-28 16:41:50,612 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 16:41:50,612 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 133 [2018-11-28 16:41:50,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:41:50,629 INFO L225 Difference]: With dead ends: 3245 [2018-11-28 16:41:50,631 INFO L226 Difference]: Without dead ends: 1851 [2018-11-28 16:41:50,635 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 133 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-11-28 16:41:50,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1851 states. [2018-11-28 16:41:50,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1851 to 1541. [2018-11-28 16:41:50,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1541 states. [2018-11-28 16:41:50,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1541 states to 1541 states and 2040 transitions. [2018-11-28 16:41:50,719 INFO L78 Accepts]: Start accepts. Automaton has 1541 states and 2040 transitions. Word has length 133 [2018-11-28 16:41:50,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:41:50,720 INFO L480 AbstractCegarLoop]: Abstraction has 1541 states and 2040 transitions. [2018-11-28 16:41:50,720 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 16:41:50,720 INFO L276 IsEmpty]: Start isEmpty. Operand 1541 states and 2040 transitions. [2018-11-28 16:41:50,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-28 16:41:50,726 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:41:50,726 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 16:41:50,727 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:41:50,728 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:41:50,729 INFO L82 PathProgramCache]: Analyzing trace with hash 1001122943, now seen corresponding path program 1 times [2018-11-28 16:41:50,729 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:41:50,729 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:41:50,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:41:50,730 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:41:50,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:41:50,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:41:50,991 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 53 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 16:41:50,991 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 16:41:50,991 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP 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 [2018-11-28 16:41:51,001 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:41:51,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:41:51,093 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 16:41:51,223 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 24 proven. 27 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-28 16:41:51,252 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 16:41:51,252 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 8 [2018-11-28 16:41:51,253 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 16:41:51,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 16:41:51,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-11-28 16:41:51,253 INFO L87 Difference]: Start difference. First operand 1541 states and 2040 transitions. Second operand 8 states. [2018-11-28 16:41:54,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:41:54,647 INFO L93 Difference]: Finished difference Result 3718 states and 5160 transitions. [2018-11-28 16:41:54,649 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-28 16:41:54,649 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 137 [2018-11-28 16:41:54,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:41:54,661 INFO L225 Difference]: With dead ends: 3718 [2018-11-28 16:41:54,662 INFO L226 Difference]: Without dead ends: 2183 [2018-11-28 16:41:54,666 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2018-11-28 16:41:54,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2183 states. [2018-11-28 16:41:54,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2183 to 1712. [2018-11-28 16:41:54,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1712 states. [2018-11-28 16:41:54,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1712 states to 1712 states and 2129 transitions. [2018-11-28 16:41:54,736 INFO L78 Accepts]: Start accepts. Automaton has 1712 states and 2129 transitions. Word has length 137 [2018-11-28 16:41:54,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:41:54,737 INFO L480 AbstractCegarLoop]: Abstraction has 1712 states and 2129 transitions. [2018-11-28 16:41:54,737 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 16:41:54,737 INFO L276 IsEmpty]: Start isEmpty. Operand 1712 states and 2129 transitions. [2018-11-28 16:41:54,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-28 16:41:54,743 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:41:54,743 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 16:41:54,744 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:41:54,744 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:41:54,744 INFO L82 PathProgramCache]: Analyzing trace with hash 152592045, now seen corresponding path program 1 times [2018-11-28 16:41:54,744 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:41:54,744 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:41:54,752 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:41:54,752 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:41:54,752 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:41:54,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:41:54,950 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 66 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 16:41:54,951 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 16:41:54,951 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 16:41:54,961 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:41:55,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:41:55,029 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 16:41:55,091 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 66 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 16:41:55,111 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 16:41:55,111 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2018-11-28 16:41:55,111 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 16:41:55,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 16:41:55,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-11-28 16:41:55,112 INFO L87 Difference]: Start difference. First operand 1712 states and 2129 transitions. Second operand 7 states. [2018-11-28 16:41:56,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:41:56,432 INFO L93 Difference]: Finished difference Result 4026 states and 5214 transitions. [2018-11-28 16:41:56,433 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 16:41:56,434 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 157 [2018-11-28 16:41:56,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:41:56,448 INFO L225 Difference]: With dead ends: 4026 [2018-11-28 16:41:56,448 INFO L226 Difference]: Without dead ends: 2320 [2018-11-28 16:41:56,453 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 157 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-11-28 16:41:56,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2320 states. [2018-11-28 16:41:56,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2320 to 2155. [2018-11-28 16:41:56,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2155 states. [2018-11-28 16:41:56,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2155 states to 2155 states and 2721 transitions. [2018-11-28 16:41:56,526 INFO L78 Accepts]: Start accepts. Automaton has 2155 states and 2721 transitions. Word has length 157 [2018-11-28 16:41:56,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:41:56,526 INFO L480 AbstractCegarLoop]: Abstraction has 2155 states and 2721 transitions. [2018-11-28 16:41:56,526 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 16:41:56,526 INFO L276 IsEmpty]: Start isEmpty. Operand 2155 states and 2721 transitions. [2018-11-28 16:41:56,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-11-28 16:41:56,535 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:41:56,535 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 16:41:56,535 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:41:56,535 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:41:56,536 INFO L82 PathProgramCache]: Analyzing trace with hash 97285180, now seen corresponding path program 1 times [2018-11-28 16:41:56,536 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:41:56,536 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:41:56,538 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:41:56,539 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:41:56,539 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:41:56,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:41:56,724 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 84 proven. 9 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-28 16:41:56,724 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 16:41:56,724 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 16:41:56,733 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:41:56,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:41:56,818 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 16:41:57,025 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 98 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-28 16:41:57,044 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 16:41:57,045 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2018-11-28 16:41:57,045 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 16:41:57,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 16:41:57,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-11-28 16:41:57,046 INFO L87 Difference]: Start difference. First operand 2155 states and 2721 transitions. Second operand 9 states. [2018-11-28 16:42:00,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:42:00,501 INFO L93 Difference]: Finished difference Result 4869 states and 6514 transitions. [2018-11-28 16:42:00,502 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-11-28 16:42:00,502 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 173 [2018-11-28 16:42:00,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:42:00,516 INFO L225 Difference]: With dead ends: 4869 [2018-11-28 16:42:00,516 INFO L226 Difference]: Without dead ends: 2720 [2018-11-28 16:42:00,524 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=190, Invalid=622, Unknown=0, NotChecked=0, Total=812 [2018-11-28 16:42:00,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2720 states. [2018-11-28 16:42:00,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2720 to 2604. [2018-11-28 16:42:00,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2604 states. [2018-11-28 16:42:00,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2604 states to 2604 states and 3140 transitions. [2018-11-28 16:42:00,621 INFO L78 Accepts]: Start accepts. Automaton has 2604 states and 3140 transitions. Word has length 173 [2018-11-28 16:42:00,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:42:00,621 INFO L480 AbstractCegarLoop]: Abstraction has 2604 states and 3140 transitions. [2018-11-28 16:42:00,621 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 16:42:00,622 INFO L276 IsEmpty]: Start isEmpty. Operand 2604 states and 3140 transitions. [2018-11-28 16:42:00,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-11-28 16:42:00,630 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:42:00,630 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 16:42:00,631 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:42:00,631 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:42:00,631 INFO L82 PathProgramCache]: Analyzing trace with hash 1408801773, now seen corresponding path program 1 times [2018-11-28 16:42:00,631 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:42:00,631 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:42:00,632 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:42:00,632 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:42:00,632 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:42:00,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:42:00,992 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 109 proven. 28 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-28 16:42:00,992 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 16:42:00,992 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 16:42:01,002 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:42:01,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:42:01,098 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 16:42:01,178 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 86 proven. 54 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-28 16:42:01,199 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 16:42:01,199 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 8 [2018-11-28 16:42:01,200 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 16:42:01,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 16:42:01,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-11-28 16:42:01,201 INFO L87 Difference]: Start difference. First operand 2604 states and 3140 transitions. Second operand 8 states. [2018-11-28 16:42:04,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:42:04,564 INFO L93 Difference]: Finished difference Result 7001 states and 8774 transitions. [2018-11-28 16:42:04,566 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-28 16:42:04,566 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 195 [2018-11-28 16:42:04,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:42:04,566 INFO L225 Difference]: With dead ends: 7001 [2018-11-28 16:42:04,567 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 16:42:04,582 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=130, Invalid=376, Unknown=0, NotChecked=0, Total=506 [2018-11-28 16:42:04,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 16:42:04,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 16:42:04,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 16:42:04,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 16:42:04,584 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 195 [2018-11-28 16:42:04,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:42:04,584 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 16:42:04,584 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 16:42:04,585 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 16:42:04,586 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 16:42:04,592 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 16:42:04,790 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:04,796 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:04,813 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:04,821 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:04,831 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:04,937 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:04,938 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:04,950 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:04,974 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:04,994 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:05,005 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:05,046 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:05,050 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:05,068 WARN L180 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 186 [2018-11-28 16:42:05,107 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:05,113 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:05,129 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:05,136 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:05,145 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:05,247 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:05,248 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:05,264 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:05,281 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:05,304 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:05,319 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:05,353 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:05,357 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:42:05,372 WARN L180 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 186 [2018-11-28 16:42:05,682 WARN L180 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 15 [2018-11-28 16:42:06,393 WARN L180 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 32 [2018-11-28 16:42:09,840 WARN L180 SmtUtils]: Spent 3.44 s on a formula simplification. DAG size of input: 147 DAG size of output: 52 [2018-11-28 16:42:10,867 WARN L180 SmtUtils]: Spent 1000.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 53 [2018-11-28 16:42:11,847 WARN L180 SmtUtils]: Spent 976.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 53 [2018-11-28 16:42:11,851 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 16:42:11,851 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= ~a17~0 |old(~a17~0)|) (= |old(~a16~0)| ~a16~0) (= ~a20~0 |old(~a20~0)|) (= ~a21~0 |old(~a21~0)|)) [2018-11-28 16:42:11,851 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 16:42:11,851 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-28 16:42:11,852 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-28 16:42:11,852 INFO L448 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:11,852 INFO L448 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:11,852 INFO L448 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:11,852 INFO L448 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:11,852 INFO L448 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:11,852 INFO L448 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:11,852 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-28 16:42:11,852 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-28 16:42:11,852 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-28 16:42:11,853 INFO L448 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-28 16:42:11,854 INFO L448 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-28 16:42:11,855 INFO L448 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-28 16:42:11,855 INFO L448 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-28 16:42:11,855 INFO L448 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-28 16:42:11,855 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-28 16:42:11,855 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-28 16:42:11,855 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:11,855 INFO L448 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:11,855 INFO L448 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:11,855 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:11,856 INFO L448 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:11,857 INFO L448 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:11,857 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-28 16:42:11,857 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-28 16:42:11,857 INFO L448 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-28 16:42:11,857 INFO L448 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-28 16:42:11,858 INFO L448 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-28 16:42:11,860 INFO L448 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-28 16:42:11,860 INFO L448 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-28 16:42:11,860 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-28 16:42:11,860 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-28 16:42:11,860 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-28 16:42:11,860 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-28 16:42:11,860 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-28 16:42:11,860 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-28 16:42:11,860 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-28 16:42:11,860 INFO L448 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-11-28 16:42:11,861 INFO L448 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:11,861 INFO L448 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:11,861 INFO L448 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:11,861 INFO L448 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:11,861 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:11,861 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-28 16:42:11,861 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-28 16:42:11,861 INFO L448 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-28 16:42:11,862 INFO L448 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-28 16:42:11,862 INFO L448 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-28 16:42:11,862 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-28 16:42:11,862 INFO L448 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-28 16:42:11,862 INFO L448 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-28 16:42:11,862 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-28 16:42:11,862 INFO L448 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:11,862 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:11,862 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:11,862 INFO L448 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:11,862 INFO L448 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:11,863 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-28 16:42:11,863 INFO L448 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-28 16:42:11,863 INFO L448 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-28 16:42:11,863 INFO L448 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-28 16:42:11,863 INFO L448 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-28 16:42:11,863 INFO L448 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-28 16:42:11,863 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-28 16:42:11,863 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-28 16:42:11,863 INFO L448 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-28 16:42:11,863 INFO L448 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-28 16:42:11,863 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-28 16:42:11,864 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-28 16:42:11,864 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-28 16:42:11,864 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:11,865 INFO L448 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:11,865 INFO L448 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:11,865 INFO L448 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:11,865 INFO L448 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:11,865 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-28 16:42:11,865 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-28 16:42:11,865 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-28 16:42:11,865 INFO L448 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-28 16:42:11,865 INFO L448 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-28 16:42:11,865 INFO L448 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-28 16:42:11,865 INFO L448 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-28 16:42:11,866 INFO L448 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-28 16:42:11,866 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-28 16:42:11,866 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:11,866 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:11,866 INFO L448 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:11,866 INFO L448 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:11,866 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:11,866 INFO L448 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:11,866 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-28 16:42:11,866 INFO L448 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:11,866 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-28 16:42:11,867 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-28 16:42:11,867 INFO L448 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-28 16:42:11,867 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-28 16:42:11,867 INFO L448 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-28 16:42:11,867 INFO L448 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-28 16:42:11,867 INFO L448 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-28 16:42:11,867 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-28 16:42:11,867 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-28 16:42:11,867 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-28 16:42:11,867 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-28 16:42:11,867 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-28 16:42:11,868 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-28 16:42:11,868 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:11,868 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:11,868 INFO L448 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:11,868 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 431) no Hoare annotation was computed. [2018-11-28 16:42:11,868 INFO L448 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:11,868 INFO L448 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:11,868 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-28 16:42:11,868 INFO L448 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-28 16:42:11,869 INFO L448 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-28 16:42:11,878 INFO L448 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-28 16:42:11,878 INFO L448 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-28 16:42:11,878 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-28 16:42:11,878 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-28 16:42:11,878 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-28 16:42:11,878 INFO L448 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:11,879 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:11,879 INFO L448 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:11,879 INFO L448 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:11,879 INFO L448 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:11,879 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-28 16:42:11,879 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-28 16:42:11,879 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-28 16:42:11,879 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-28 16:42:11,879 INFO L448 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-28 16:42:11,879 INFO L448 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-28 16:42:11,879 INFO L448 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-28 16:42:11,879 INFO L448 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-28 16:42:11,882 INFO L448 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-28 16:42:11,882 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-28 16:42:11,882 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse16 (= ~a16~0 |old(~a16~0)|)) (.cse6 (= 6 |old(~a16~0)|)) (.cse17 (< 0 |old(~a21~0)|)) (.cse9 (= ~a7~0 |old(~a7~0)|)) (.cse10 (= |old(~a8~0)| ~a8~0)) (.cse15 (= ~a17~0 |old(~a17~0)|)) (.cse11 (= |old(~a16~0)| ~a16~0)) (.cse12 (= ~a20~0 |old(~a20~0)|)) (.cse13 (= ~a21~0 |old(~a21~0)|)) (.cse7 (not (= 1 |old(~a21~0)|))) (.cse14 (not (= 1 |old(~a20~0)|)))) (let ((.cse0 (or .cse7 .cse14)) (.cse4 (and .cse9 .cse10 .cse15 .cse11 .cse12 .cse13)) (.cse3 (or .cse6 .cse17)) (.cse1 (and .cse9 .cse10 .cse15 .cse16 (= 1 ~a21~0) .cse12)) (.cse8 (= 13 |old(~a8~0)|)) (.cse2 (not (= 1 |old(~a17~0)|))) (.cse5 (< 0 |old(~a17~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5) (or .cse0 .cse5 .cse1) (or .cse6 .cse7 .cse5 .cse4) (or .cse7 .cse8 .cse5 .cse1) (or (and .cse9 .cse10 .cse11 .cse12 .cse13 (= 1 ~a17~0)) .cse3 .cse2) (or .cse7 .cse1 .cse8 .cse2) (or .cse14 .cse5 (and .cse13 .cse9 .cse10 .cse15 .cse16 .cse12) .cse17)))) [2018-11-28 16:42:11,882 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-28 16:42:11,882 INFO L448 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:11,882 INFO L448 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:11,882 INFO L448 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:11,883 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:11,883 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-28 16:42:11,883 INFO L448 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:11,883 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:11,883 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-28 16:42:11,883 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-28 16:42:11,883 INFO L448 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-28 16:42:11,883 INFO L448 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-28 16:42:11,883 INFO L448 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-28 16:42:11,883 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-28 16:42:11,883 INFO L448 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-28 16:42:11,883 INFO L448 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-28 16:42:11,884 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-28 16:42:11,884 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-28 16:42:11,884 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-28 16:42:11,884 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-28 16:42:11,884 INFO L448 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:11,884 INFO L448 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:11,884 INFO L448 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:11,884 INFO L448 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:11,884 INFO L448 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:11,884 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-28 16:42:11,884 INFO L448 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:11,885 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-28 16:42:11,888 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-28 16:42:11,888 INFO L448 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-28 16:42:11,888 INFO L448 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-28 16:42:11,888 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-28 16:42:11,888 INFO L448 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-28 16:42:11,888 INFO L448 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-28 16:42:11,888 INFO L448 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-28 16:42:11,888 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-28 16:42:11,888 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-28 16:42:11,888 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-28 16:42:11,888 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-28 16:42:11,888 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-28 16:42:11,888 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-28 16:42:11,888 INFO L448 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:11,889 INFO L448 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:11,889 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:11,889 INFO L448 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:11,889 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:11,889 INFO L448 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:42:11,889 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-28 16:42:11,889 INFO L448 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-28 16:42:11,889 INFO L448 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-28 16:42:11,889 INFO L448 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-28 16:42:11,889 INFO L448 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-28 16:42:11,889 INFO L448 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-28 16:42:11,889 INFO L448 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-28 16:42:11,890 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-28 16:42:11,890 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-28 16:42:11,890 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-28 16:42:11,890 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 16:42:11,890 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~a20~0) (= 1 ~a21~0) (not (= ~a8~0 13)) (= ~a16~0 5) (= 1 ~a17~0)) [2018-11-28 16:42:11,890 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 16:42:11,890 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 16:42:11,890 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= 1 |old(~a21~0)|)) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (= 13 |old(~a8~0)|) (and (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= ~a17~0 |old(~a17~0)|) (= 1 ~a21~0) (= ~a20~0 |old(~a20~0)|) (= ~a16~0 5)) (not (= 1 |old(~a17~0)|))) [2018-11-28 16:42:11,890 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-28 16:42:11,891 INFO L444 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse10 (= 1 ~a20~0)) (.cse5 (= 1 ~a21~0))) (let ((.cse0 (not (= 1 |old(~a21~0)|))) (.cse9 (and .cse10 .cse5)) (.cse3 (= 1 ~a17~0))) (let ((.cse8 (and .cse9 .cse3)) (.cse7 (not (= ~a8~0 13))) (.cse1 (<= ~a21~0 0)) (.cse2 (not (= ~a16~0 6))) (.cse6 (<= ~a17~0 0)) (.cse4 (or .cse0 (not (= |old(~a7~0)| 1))))) (or .cse0 (and (and .cse1 .cse2 .cse3) .cse4) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (and .cse5 .cse6 .cse4 .cse7) (and .cse2 .cse5 .cse6 .cse4) (and .cse8 .cse4) (and .cse6 .cse4 .cse9) (and .cse8 (= ~a7~0 |old(~a7~0)|) (= ~a16~0 5)) (= 13 |old(~a8~0)|) (and .cse1 .cse10 .cse6 .cse4) (not (= 1 |old(~a17~0)|)) (and .cse5 .cse4 .cse7 .cse3) (and .cse1 .cse2 .cse6 .cse4))))) [2018-11-28 16:42:11,891 INFO L448 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-28 16:42:11,891 INFO L448 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-28 16:42:11,891 INFO L444 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse10 (= 1 ~a20~0)) (.cse5 (= 1 ~a21~0))) (let ((.cse0 (not (= 1 |old(~a21~0)|))) (.cse9 (and .cse10 .cse5)) (.cse3 (= 1 ~a17~0))) (let ((.cse8 (and .cse9 .cse3)) (.cse7 (not (= ~a8~0 13))) (.cse1 (<= ~a21~0 0)) (.cse2 (not (= ~a16~0 6))) (.cse6 (<= ~a17~0 0)) (.cse4 (or .cse0 (not (= |old(~a7~0)| 1))))) (or .cse0 (and (and .cse1 .cse2 .cse3) .cse4) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (and .cse5 .cse6 .cse4 .cse7) (and .cse2 .cse5 .cse6 .cse4) (and .cse8 .cse4) (and .cse6 .cse4 .cse9) (and .cse8 (= ~a7~0 |old(~a7~0)|) (= ~a16~0 5)) (= 13 |old(~a8~0)|) (and .cse1 .cse10 .cse6 .cse4) (not (= 1 |old(~a17~0)|)) (and .cse5 .cse4 .cse7 .cse3) (and .cse1 .cse2 .cse6 .cse4))))) [2018-11-28 16:42:11,891 INFO L448 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2018-11-28 16:42:11,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:42:11 BoogieIcfgContainer [2018-11-28 16:42:11,921 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 16:42:11,923 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 16:42:11,924 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 16:42:11,924 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 16:42:11,925 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:41:38" (3/4) ... [2018-11-28 16:42:11,932 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 16:42:11,941 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 16:42:11,941 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-28 16:42:11,942 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 16:42:11,972 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-28 16:42:11,973 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-28 16:42:12,022 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((!(1 == \old(a21)) || (((a21 <= 0 && !(a16 == 6)) && 1 == a17) && (!(1 == \old(a21)) || !(\old(a7) == 1)))) || !(1 == \old(a20))) || !(5 == \old(a16))) || (((1 == a21 && a17 <= 0) && (!(1 == \old(a21)) || !(\old(a7) == 1))) && !(a8 == 13))) || (((!(a16 == 6) && 1 == a21) && a17 <= 0) && (!(1 == \old(a21)) || !(\old(a7) == 1)))) || (((1 == a20 && 1 == a21) && 1 == a17) && (!(1 == \old(a21)) || !(\old(a7) == 1)))) || ((a17 <= 0 && (!(1 == \old(a21)) || !(\old(a7) == 1))) && 1 == a20 && 1 == a21)) || ((((1 == a20 && 1 == a21) && 1 == a17) && a7 == \old(a7)) && a16 == 5)) || 13 == \old(a8)) || (((a21 <= 0 && 1 == a20) && a17 <= 0) && (!(1 == \old(a21)) || !(\old(a7) == 1)))) || !(1 == \old(a17))) || (((1 == a21 && (!(1 == \old(a21)) || !(\old(a7) == 1))) && !(a8 == 13)) && 1 == a17)) || (((a21 <= 0 && !(a16 == 6)) && a17 <= 0) && (!(1 == \old(a21)) || !(\old(a7) == 1))) [2018-11-28 16:42:12,239 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 16:42:12,243 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 16:42:12,245 INFO L168 Benchmark]: Toolchain (without parser) took 37593.81 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 459.3 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -108.7 MB). Peak memory consumption was 350.6 MB. Max. memory is 11.5 GB. [2018-11-28 16:42:12,250 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 16:42:12,251 INFO L168 Benchmark]: CACSL2BoogieTranslator took 739.42 ms. Allocated memory is still 1.0 GB. Free memory was 946.0 MB in the beginning and 913.8 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-11-28 16:42:12,252 INFO L168 Benchmark]: Boogie Procedure Inliner took 158.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 913.8 MB in the beginning and 1.1 GB in the end (delta: -210.2 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. [2018-11-28 16:42:12,252 INFO L168 Benchmark]: Boogie Preprocessor took 109.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-11-28 16:42:12,253 INFO L168 Benchmark]: RCFGBuilder took 3218.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 101.4 MB). Peak memory consumption was 101.4 MB. Max. memory is 11.5 GB. [2018-11-28 16:42:12,253 INFO L168 Benchmark]: TraceAbstraction took 33041.44 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 328.2 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -52.9 MB). Peak memory consumption was 470.0 MB. Max. memory is 11.5 GB. [2018-11-28 16:42:12,253 INFO L168 Benchmark]: Witness Printer took 320.55 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. [2018-11-28 16:42:12,258 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 739.42 ms. Allocated memory is still 1.0 GB. Free memory was 946.0 MB in the beginning and 913.8 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 158.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 913.8 MB in the beginning and 1.1 GB in the end (delta: -210.2 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 109.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3218.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 101.4 MB). Peak memory consumption was 101.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 33041.44 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 328.2 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -52.9 MB). Peak memory consumption was 470.0 MB. Max. memory is 11.5 GB. * Witness Printer took 320.55 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 431]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((((((((((!(1 == \old(a21)) || (((a21 <= 0 && !(a16 == 6)) && 1 == a17) && (!(1 == \old(a21)) || !(\old(a7) == 1)))) || !(1 == \old(a20))) || !(5 == \old(a16))) || (((1 == a21 && a17 <= 0) && (!(1 == \old(a21)) || !(\old(a7) == 1))) && !(a8 == 13))) || (((!(a16 == 6) && 1 == a21) && a17 <= 0) && (!(1 == \old(a21)) || !(\old(a7) == 1)))) || (((1 == a20 && 1 == a21) && 1 == a17) && (!(1 == \old(a21)) || !(\old(a7) == 1)))) || ((a17 <= 0 && (!(1 == \old(a21)) || !(\old(a7) == 1))) && 1 == a20 && 1 == a21)) || ((((1 == a20 && 1 == a21) && 1 == a17) && a7 == \old(a7)) && a16 == 5)) || 13 == \old(a8)) || (((a21 <= 0 && 1 == a20) && a17 <= 0) && (!(1 == \old(a21)) || !(\old(a7) == 1)))) || !(1 == \old(a17))) || (((1 == a21 && (!(1 == \old(a21)) || !(\old(a7) == 1))) && !(a8 == 13)) && 1 == a17)) || (((a21 <= 0 && !(a16 == 6)) && a17 <= 0) && (!(1 == \old(a21)) || !(\old(a7) == 1))) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. SAFE Result, 32.9s OverallTime, 9 OverallIterations, 5 TraceHistogramMax, 20.8s AutomataDifference, 0.0s DeadEndRemovalTime, 7.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 329 SDtfs, 4429 SDslu, 543 SDs, 0 SdLazy, 8856 SolverSat, 1636 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 943 GetRequests, 838 SyntacticMatches, 6 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 384 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2604occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 9 MinimizatonAttempts, 1102 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 121 PreInvPairs, 197 NumberOfFragments, 730 HoareAnnotationTreeSize, 121 FomulaSimplifications, 59866 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 7 FomulaSimplificationsInter, 36950 FormulaSimplificationTreeSizeReductionInter, 6.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 2000 NumberOfCodeBlocks, 2000 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1986 ConstructedInterpolants, 0 QuantifiedInterpolants, 667073 SizeOfPredicates, 4 NumberOfNonLiveVariables, 2376 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 14 InterpolantComputations, 4 PerfectInterpolantSequences, 809/939 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...