./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/eca-rers2012/Problem14_label24_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/Problem14_label24_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 41d17b9aa5f2178c80003b4f705c8a61e02072b8 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 17:12:56,699 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 17:12:56,702 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 17:12:56,716 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 17:12:56,717 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 17:12:56,718 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 17:12:56,719 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 17:12:56,721 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 17:12:56,723 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 17:12:56,724 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 17:12:56,725 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 17:12:56,725 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 17:12:56,727 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 17:12:56,728 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 17:12:56,729 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 17:12:56,730 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 17:12:56,731 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 17:12:56,733 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 17:12:56,735 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 17:12:56,737 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 17:12:56,738 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 17:12:56,739 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 17:12:56,742 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 17:12:56,742 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 17:12:56,743 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 17:12:56,743 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 17:12:56,745 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 17:12:56,746 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 17:12:56,746 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 17:12:56,748 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 17:12:56,748 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 17:12:56,749 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 17:12:56,750 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 17:12:56,750 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 17:12:56,751 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 17:12:56,752 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 17:12:56,753 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 17:12:56,768 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 17:12:56,768 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 17:12:56,769 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 17:12:56,769 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 17:12:56,770 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 17:12:56,770 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 17:12:56,771 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 17:12:56,771 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 17:12:56,771 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 17:12:56,771 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 17:12:56,771 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 17:12:56,772 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 17:12:56,772 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 17:12:56,773 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 17:12:56,773 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 17:12:56,773 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 17:12:56,773 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 17:12:56,773 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 17:12:56,773 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 17:12:56,774 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 17:12:56,774 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 17:12:56,774 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 17:12:56,774 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 17:12:56,774 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 17:12:56,774 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 17:12:56,776 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 17:12:56,776 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 17:12:56,776 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 17:12:56,777 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 17:12:56,777 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 17:12:56,777 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 -> 41d17b9aa5f2178c80003b4f705c8a61e02072b8 [2018-11-28 17:12:56,817 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 17:12:56,834 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 17:12:56,838 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 17:12:56,840 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 17:12:56,840 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 17:12:56,841 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/eca-rers2012/Problem14_label24_true-unreach-call_false-termination.c [2018-11-28 17:12:56,894 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b33acb9f8/856ebfa693b44d1fb397639b4bced69b/FLAGcfe2000c8 [2018-11-28 17:12:57,491 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 17:12:57,494 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/eca-rers2012/Problem14_label24_true-unreach-call_false-termination.c [2018-11-28 17:12:57,514 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b33acb9f8/856ebfa693b44d1fb397639b4bced69b/FLAGcfe2000c8 [2018-11-28 17:12:57,707 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b33acb9f8/856ebfa693b44d1fb397639b4bced69b [2018-11-28 17:12:57,710 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 17:12:57,712 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 17:12:57,713 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 17:12:57,713 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 17:12:57,718 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 17:12:57,719 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:12:57" (1/1) ... [2018-11-28 17:12:57,722 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33a111ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:12:57, skipping insertion in model container [2018-11-28 17:12:57,722 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:12:57" (1/1) ... [2018-11-28 17:12:57,730 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 17:12:57,797 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 17:12:58,298 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 17:12:58,307 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 17:12:58,540 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 17:12:58,563 INFO L195 MainTranslator]: Completed translation [2018-11-28 17:12:58,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:12:58 WrapperNode [2018-11-28 17:12:58,563 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 17:12:58,565 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 17:12:58,565 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 17:12:58,565 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 17:12:58,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:12:58" (1/1) ... [2018-11-28 17:12:58,703 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:12:58" (1/1) ... [2018-11-28 17:12:58,724 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 17:12:58,725 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 17:12:58,725 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 17:12:58,725 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 17:12:58,738 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:12:58" (1/1) ... [2018-11-28 17:12:58,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:12:58" (1/1) ... [2018-11-28 17:12:58,751 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:12:58" (1/1) ... [2018-11-28 17:12:58,751 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:12:58" (1/1) ... [2018-11-28 17:12:58,815 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:12:58" (1/1) ... [2018-11-28 17:12:58,841 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:12:58" (1/1) ... [2018-11-28 17:12:58,861 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:12:58" (1/1) ... [2018-11-28 17:12:58,878 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 17:12:58,879 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 17:12:58,879 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 17:12:58,879 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 17:12:58,880 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:12:58" (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 17:12:58,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 17:12:58,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 17:12:58,966 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-28 17:12:58,967 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-28 17:12:58,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 17:12:58,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 17:12:58,967 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 17:12:58,967 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 17:13:02,716 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 17:13:02,716 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-28 17:13:02,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:13:02 BoogieIcfgContainer [2018-11-28 17:13:02,717 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 17:13:02,718 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 17:13:02,718 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 17:13:02,722 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 17:13:02,722 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:12:57" (1/3) ... [2018-11-28 17:13:02,723 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@607c3b6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:13:02, skipping insertion in model container [2018-11-28 17:13:02,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:12:58" (2/3) ... [2018-11-28 17:13:02,725 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@607c3b6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:13:02, skipping insertion in model container [2018-11-28 17:13:02,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:13:02" (3/3) ... [2018-11-28 17:13:02,727 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label24_true-unreach-call_false-termination.c [2018-11-28 17:13:02,739 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 17:13:02,750 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 17:13:02,765 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 17:13:02,801 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 17:13:02,802 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 17:13:02,802 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 17:13:02,802 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 17:13:02,802 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 17:13:02,803 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 17:13:02,803 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 17:13:02,803 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 17:13:02,803 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 17:13:02,833 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2018-11-28 17:13:02,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-28 17:13:02,842 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 17:13:02,843 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] [2018-11-28 17:13:02,845 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 17:13:02,852 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 17:13:02,852 INFO L82 PathProgramCache]: Analyzing trace with hash 2116109586, now seen corresponding path program 1 times [2018-11-28 17:13:02,855 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 17:13:02,855 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 17:13:02,903 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 17:13:02,903 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 17:13:02,903 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 17:13:02,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 17:13:03,261 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-28 17:13:03,359 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 17:13:03,363 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 17:13:03,363 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 17:13:03,369 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 17:13:03,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 17:13:03,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 17:13:03,392 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 3 states. [2018-11-28 17:13:05,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 17:13:05,098 INFO L93 Difference]: Finished difference Result 688 states and 1223 transitions. [2018-11-28 17:13:05,101 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 17:13:05,103 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-28 17:13:05,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 17:13:05,125 INFO L225 Difference]: With dead ends: 688 [2018-11-28 17:13:05,125 INFO L226 Difference]: Without dead ends: 372 [2018-11-28 17:13:05,134 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 17:13:05,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2018-11-28 17:13:05,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 372. [2018-11-28 17:13:05,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 372 states. [2018-11-28 17:13:05,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 602 transitions. [2018-11-28 17:13:05,267 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 602 transitions. Word has length 47 [2018-11-28 17:13:05,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 17:13:05,267 INFO L480 AbstractCegarLoop]: Abstraction has 372 states and 602 transitions. [2018-11-28 17:13:05,267 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 17:13:05,268 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 602 transitions. [2018-11-28 17:13:05,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-11-28 17:13:05,275 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 17:13:05,275 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, 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] [2018-11-28 17:13:05,275 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 17:13:05,276 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 17:13:05,277 INFO L82 PathProgramCache]: Analyzing trace with hash -1939521290, now seen corresponding path program 1 times [2018-11-28 17:13:05,277 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 17:13:05,277 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 17:13:05,279 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 17:13:05,279 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 17:13:05,279 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 17:13:05,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 17:13:05,617 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 17:13:05,617 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 17:13:05,618 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 17:13:05,620 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 17:13:05,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 17:13:05,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-28 17:13:05,622 INFO L87 Difference]: Start difference. First operand 372 states and 602 transitions. Second operand 6 states. [2018-11-28 17:13:07,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 17:13:07,662 INFO L93 Difference]: Finished difference Result 936 states and 1526 transitions. [2018-11-28 17:13:07,663 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 17:13:07,663 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 121 [2018-11-28 17:13:07,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 17:13:07,668 INFO L225 Difference]: With dead ends: 936 [2018-11-28 17:13:07,668 INFO L226 Difference]: Without dead ends: 570 [2018-11-28 17:13:07,670 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 17:13:07,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2018-11-28 17:13:07,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 562. [2018-11-28 17:13:07,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 562 states. [2018-11-28 17:13:07,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 814 transitions. [2018-11-28 17:13:07,704 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 814 transitions. Word has length 121 [2018-11-28 17:13:07,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 17:13:07,705 INFO L480 AbstractCegarLoop]: Abstraction has 562 states and 814 transitions. [2018-11-28 17:13:07,705 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 17:13:07,705 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 814 transitions. [2018-11-28 17:13:07,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-11-28 17:13:07,710 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 17:13:07,710 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, 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] [2018-11-28 17:13:07,710 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 17:13:07,711 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 17:13:07,711 INFO L82 PathProgramCache]: Analyzing trace with hash -2114473467, now seen corresponding path program 1 times [2018-11-28 17:13:07,711 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 17:13:07,711 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 17:13:07,712 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 17:13:07,712 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 17:13:07,712 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 17:13:07,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 17:13:07,943 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 17:13:07,944 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 17:13:07,944 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 17:13:07,944 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 17:13:07,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 17:13:07,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-28 17:13:07,945 INFO L87 Difference]: Start difference. First operand 562 states and 814 transitions. Second operand 4 states. [2018-11-28 17:13:11,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 17:13:11,581 INFO L93 Difference]: Finished difference Result 2216 states and 3272 transitions. [2018-11-28 17:13:11,583 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 17:13:11,583 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 130 [2018-11-28 17:13:11,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 17:13:11,593 INFO L225 Difference]: With dead ends: 2216 [2018-11-28 17:13:11,593 INFO L226 Difference]: Without dead ends: 1660 [2018-11-28 17:13:11,596 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-28 17:13:11,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1660 states. [2018-11-28 17:13:11,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1660 to 1476. [2018-11-28 17:13:11,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1476 states. [2018-11-28 17:13:11,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1476 states to 1476 states and 2051 transitions. [2018-11-28 17:13:11,653 INFO L78 Accepts]: Start accepts. Automaton has 1476 states and 2051 transitions. Word has length 130 [2018-11-28 17:13:11,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 17:13:11,653 INFO L480 AbstractCegarLoop]: Abstraction has 1476 states and 2051 transitions. [2018-11-28 17:13:11,654 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 17:13:11,654 INFO L276 IsEmpty]: Start isEmpty. Operand 1476 states and 2051 transitions. [2018-11-28 17:13:11,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-11-28 17:13:11,663 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 17:13:11,664 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-28 17:13:11,664 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 17:13:11,664 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 17:13:11,665 INFO L82 PathProgramCache]: Analyzing trace with hash 511372486, now seen corresponding path program 1 times [2018-11-28 17:13:11,666 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 17:13:11,666 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 17:13:11,667 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 17:13:11,668 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 17:13:11,668 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 17:13:11,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 17:13:12,022 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 10 [2018-11-28 17:13:12,221 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 80 proven. 70 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-28 17:13:12,221 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 17:13:12,222 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 17:13:12,233 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 17:13:12,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 17:13:12,334 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 17:13:12,747 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-11-28 17:13:12,767 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 17:13:12,768 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 10 [2018-11-28 17:13:12,769 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-28 17:13:12,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-28 17:13:12,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2018-11-28 17:13:12,771 INFO L87 Difference]: Start difference. First operand 1476 states and 2051 transitions. Second operand 10 states. [2018-11-28 17:13:18,783 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-11-28 17:13:19,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 17:13:19,170 INFO L93 Difference]: Finished difference Result 3618 states and 5191 transitions. [2018-11-28 17:13:19,170 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-11-28 17:13:19,171 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 233 [2018-11-28 17:13:19,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 17:13:19,187 INFO L225 Difference]: With dead ends: 3618 [2018-11-28 17:13:19,188 INFO L226 Difference]: Without dead ends: 2148 [2018-11-28 17:13:19,192 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 250 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 215 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=213, Invalid=779, Unknown=0, NotChecked=0, Total=992 [2018-11-28 17:13:19,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2148 states. [2018-11-28 17:13:19,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2148 to 1688. [2018-11-28 17:13:19,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1688 states. [2018-11-28 17:13:19,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1688 states to 1688 states and 2141 transitions. [2018-11-28 17:13:19,267 INFO L78 Accepts]: Start accepts. Automaton has 1688 states and 2141 transitions. Word has length 233 [2018-11-28 17:13:19,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 17:13:19,267 INFO L480 AbstractCegarLoop]: Abstraction has 1688 states and 2141 transitions. [2018-11-28 17:13:19,268 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-28 17:13:19,268 INFO L276 IsEmpty]: Start isEmpty. Operand 1688 states and 2141 transitions. [2018-11-28 17:13:19,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2018-11-28 17:13:19,275 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 17:13:19,276 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 17:13:19,276 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 17:13:19,276 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 17:13:19,277 INFO L82 PathProgramCache]: Analyzing trace with hash -1074149043, now seen corresponding path program 1 times [2018-11-28 17:13:19,277 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 17:13:19,277 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 17:13:19,278 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 17:13:19,278 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 17:13:19,278 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 17:13:19,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 17:13:20,016 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 221 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 17:13:20,016 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 17:13:20,017 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 17:13:20,026 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 17:13:20,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 17:13:20,125 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 17:13:20,530 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 8 DAG size of output: 3 [2018-11-28 17:13:20,605 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 221 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2018-11-28 17:13:20,624 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 17:13:20,624 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 14 [2018-11-28 17:13:20,629 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-28 17:13:20,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-28 17:13:20,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2018-11-28 17:13:20,630 INFO L87 Difference]: Start difference. First operand 1688 states and 2141 transitions. Second operand 14 states. [2018-11-28 17:13:28,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 17:13:28,981 INFO L93 Difference]: Finished difference Result 5333 states and 8311 transitions. [2018-11-28 17:13:28,982 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2018-11-28 17:13:28,982 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 342 [2018-11-28 17:13:28,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 17:13:28,983 INFO L225 Difference]: With dead ends: 5333 [2018-11-28 17:13:28,983 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 17:13:29,006 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 425 GetRequests, 371 SyntacticMatches, 1 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 848 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=531, Invalid=2439, Unknown=0, NotChecked=0, Total=2970 [2018-11-28 17:13:29,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 17:13:29,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 17:13:29,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 17:13:29,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 17:13:29,007 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 342 [2018-11-28 17:13:29,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 17:13:29,008 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 17:13:29,008 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-28 17:13:29,008 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 17:13:29,008 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 17:13:29,013 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 17:13:29,279 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 17:13:29,363 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 17:13:29,682 WARN L180 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 20 [2018-11-28 17:13:30,385 WARN L180 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 28 [2018-11-28 17:13:31,195 WARN L180 SmtUtils]: Spent 798.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 35 [2018-11-28 17:13:31,731 WARN L180 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 36 [2018-11-28 17:13:31,783 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 17:13:31,783 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (= |old(~a15~0)| ~a15~0)) [2018-11-28 17:13:31,783 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 17:13:31,784 INFO L448 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2018-11-28 17:13:31,784 INFO L448 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2018-11-28 17:13:31,784 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 17:13:31,784 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 17:13:31,784 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 17:13:31,784 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2018-11-28 17:13:31,784 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-28 17:13:31,784 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-28 17:13:31,784 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-28 17:13:31,785 INFO L448 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2018-11-28 17:13:31,785 INFO L448 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2018-11-28 17:13:31,785 INFO L448 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2018-11-28 17:13:31,785 INFO L448 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2018-11-28 17:13:31,785 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 17:13:31,785 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 17:13:31,785 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 17:13:31,785 INFO L448 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2018-11-28 17:13:31,785 INFO L448 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2018-11-28 17:13:31,785 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-28 17:13:31,786 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-28 17:13:31,786 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-28 17:13:31,786 INFO L448 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2018-11-28 17:13:31,786 INFO L448 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2018-11-28 17:13:31,786 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2018-11-28 17:13:31,786 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 17:13:31,786 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 17:13:31,786 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 17:13:31,786 INFO L448 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2018-11-28 17:13:31,787 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-28 17:13:31,787 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-28 17:13:31,787 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-28 17:13:31,787 INFO L448 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2018-11-28 17:13:31,787 INFO L448 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2018-11-28 17:13:31,787 INFO L448 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2018-11-28 17:13:31,787 INFO L448 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2018-11-28 17:13:31,787 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2018-11-28 17:13:31,787 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 17:13:31,787 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 17:13:31,788 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 17:13:31,788 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2018-11-28 17:13:31,788 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-28 17:13:31,788 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-28 17:13:31,788 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-28 17:13:31,788 INFO L448 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2018-11-28 17:13:31,788 INFO L448 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2018-11-28 17:13:31,788 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2018-11-28 17:13:31,788 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 17:13:31,788 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 17:13:31,789 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 17:13:31,789 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 127) no Hoare annotation was computed. [2018-11-28 17:13:31,789 INFO L448 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2018-11-28 17:13:31,789 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-28 17:13:31,789 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-28 17:13:31,789 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-28 17:13:31,789 INFO L448 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2018-11-28 17:13:31,789 INFO L448 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2018-11-28 17:13:31,789 INFO L448 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2018-11-28 17:13:31,790 INFO L448 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2018-11-28 17:13:31,790 INFO L448 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2018-11-28 17:13:31,790 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 17:13:31,790 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 17:13:31,790 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 17:13:31,790 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2018-11-28 17:13:31,790 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2018-11-28 17:13:31,790 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-28 17:13:31,790 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-28 17:13:31,790 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-28 17:13:31,791 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2018-11-28 17:13:31,791 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2018-11-28 17:13:31,791 INFO L448 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2018-11-28 17:13:31,791 INFO L448 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2018-11-28 17:13:31,791 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 17:13:31,791 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 17:13:31,791 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 17:13:31,791 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-28 17:13:31,791 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-28 17:13:31,791 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-28 17:13:31,792 INFO L448 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2018-11-28 17:13:31,794 INFO L448 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2018-11-28 17:13:31,794 INFO L448 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2018-11-28 17:13:31,794 INFO L448 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2018-11-28 17:13:31,794 INFO L448 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2018-11-28 17:13:31,794 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 17:13:31,794 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 17:13:31,794 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 17:13:31,795 INFO L448 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2018-11-28 17:13:31,795 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2018-11-28 17:13:31,795 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-28 17:13:31,795 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-28 17:13:31,795 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-28 17:13:31,795 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2018-11-28 17:13:31,795 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse2 (= ~a12~0 |old(~a12~0)|)) (.cse1 (= ~a21~0 |old(~a21~0)|)) (.cse3 (= |old(~a15~0)| ~a15~0))) (let ((.cse0 (and .cse2 (= ~a24~0 |old(~a24~0)|) .cse1 .cse3))) (and (or .cse0 (= 6 |old(~a15~0)|)) (or .cse0 (not (= 1 |old(~a24~0)|)) (and (<= |old(~a12~0)| 11) (< 0 (+ |old(~a12~0)| 43)))) (or (= 6 |old(~a21~0)|) (and .cse1 (and .cse2 (= |old(~a24~0)| ~a24~0) .cse3)))))) [2018-11-28 17:13:31,795 INFO L448 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2018-11-28 17:13:31,796 INFO L448 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2018-11-28 17:13:31,796 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 17:13:31,796 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 17:13:31,796 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 17:13:31,796 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-28 17:13:31,796 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-28 17:13:31,796 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-28 17:13:31,796 INFO L448 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2018-11-28 17:13:31,796 INFO L448 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2018-11-28 17:13:31,796 INFO L448 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2018-11-28 17:13:31,797 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2018-11-28 17:13:31,797 INFO L448 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2018-11-28 17:13:31,797 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 17:13:31,797 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 17:13:31,797 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 17:13:31,797 INFO L448 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2018-11-28 17:13:31,797 INFO L448 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2018-11-28 17:13:31,797 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-28 17:13:31,797 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-28 17:13:31,797 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-28 17:13:31,798 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2018-11-28 17:13:31,798 INFO L448 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2018-11-28 17:13:31,798 INFO L448 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2018-11-28 17:13:31,798 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 17:13:31,798 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 17:13:31,798 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 17:13:31,798 INFO L448 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2018-11-28 17:13:31,798 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-28 17:13:31,798 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-28 17:13:31,798 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-28 17:13:31,798 INFO L448 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2018-11-28 17:13:31,799 INFO L448 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2018-11-28 17:13:31,799 INFO L448 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2018-11-28 17:13:31,799 INFO L448 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2018-11-28 17:13:31,799 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 17:13:31,799 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 17:13:31,799 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 17:13:31,799 INFO L448 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2018-11-28 17:13:31,799 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-28 17:13:31,799 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-28 17:13:31,799 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-28 17:13:31,800 INFO L448 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2018-11-28 17:13:31,800 INFO L448 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2018-11-28 17:13:31,800 INFO L448 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2018-11-28 17:13:31,800 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2018-11-28 17:13:31,800 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 17:13:31,800 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 17:13:31,800 INFO L448 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2018-11-28 17:13:31,800 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-28 17:13:31,800 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-28 17:13:31,800 INFO L448 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2018-11-28 17:13:31,801 INFO L448 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2018-11-28 17:13:31,801 INFO L448 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2018-11-28 17:13:31,801 INFO L448 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2018-11-28 17:13:31,801 INFO L448 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2018-11-28 17:13:31,801 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 17:13:31,801 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 17:13:31,801 INFO L448 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2018-11-28 17:13:31,801 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-28 17:13:31,801 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-28 17:13:31,801 INFO L448 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2018-11-28 17:13:31,801 INFO L448 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2018-11-28 17:13:31,802 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2018-11-28 17:13:31,802 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 17:13:31,802 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 17:13:31,802 INFO L448 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2018-11-28 17:13:31,802 INFO L448 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2018-11-28 17:13:31,802 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-28 17:13:31,802 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-28 17:13:31,802 INFO L448 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2018-11-28 17:13:31,802 INFO L448 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2018-11-28 17:13:31,802 INFO L448 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2018-11-28 17:13:31,803 INFO L448 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2018-11-28 17:13:31,803 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 17:13:31,803 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 17:13:31,803 INFO L448 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2018-11-28 17:13:31,803 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2018-11-28 17:13:31,803 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-28 17:13:31,803 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-28 17:13:31,803 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2018-11-28 17:13:31,803 INFO L448 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2018-11-28 17:13:31,803 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2018-11-28 17:13:31,804 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 17:13:31,804 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 17:13:31,804 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2018-11-28 17:13:31,804 INFO L448 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2018-11-28 17:13:31,804 INFO L448 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2018-11-28 17:13:31,804 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-28 17:13:31,804 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-28 17:13:31,804 INFO L448 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2018-11-28 17:13:31,804 INFO L448 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2018-11-28 17:13:31,804 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 17:13:31,804 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 17:13:31,805 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-11-28 17:13:31,805 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2018-11-28 17:13:31,805 INFO L448 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2018-11-28 17:13:31,805 INFO L448 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2018-11-28 17:13:31,805 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2018-11-28 17:13:31,805 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-28 17:13:31,805 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-28 17:13:31,805 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-28 17:13:31,805 INFO L448 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2018-11-28 17:13:31,805 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2018-11-28 17:13:31,806 INFO L448 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2018-11-28 17:13:31,806 INFO L448 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2018-11-28 17:13:31,806 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 17:13:31,806 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 17:13:31,806 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 17:13:31,806 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2018-11-28 17:13:31,806 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-28 17:13:31,806 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-28 17:13:31,806 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-28 17:13:31,806 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2018-11-28 17:13:31,807 INFO L448 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2018-11-28 17:13:31,807 INFO L448 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2018-11-28 17:13:31,807 INFO L448 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2018-11-28 17:13:31,807 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 17:13:31,807 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 17:13:31,807 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 17:13:31,807 INFO L448 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2018-11-28 17:13:31,807 INFO L448 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2018-11-28 17:13:31,807 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-28 17:13:31,807 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-28 17:13:31,807 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-28 17:13:31,808 INFO L448 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2018-11-28 17:13:31,808 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2018-11-28 17:13:31,808 INFO L448 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2018-11-28 17:13:31,808 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 17:13:31,808 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 17:13:31,808 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 17:13:31,808 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2018-11-28 17:13:31,808 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-28 17:13:31,808 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-28 17:13:31,808 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-28 17:13:31,809 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2018-11-28 17:13:31,809 INFO L448 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2018-11-28 17:13:31,809 INFO L448 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2018-11-28 17:13:31,809 INFO L448 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2018-11-28 17:13:31,809 INFO L448 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2018-11-28 17:13:31,809 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 17:13:31,809 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 17:13:31,809 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2018-11-28 17:13:31,809 INFO L448 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2018-11-28 17:13:31,809 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-28 17:13:31,810 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-28 17:13:31,811 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-28 17:13:31,811 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2018-11-28 17:13:31,811 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 17:13:31,811 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~a15~0 9)) (not (= ~a24~0 2)) (= 7 ~a21~0) (<= (+ ~a12~0 49) 0) (not (= ~a15~0 6))) [2018-11-28 17:13:31,811 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 17:13:31,811 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 17:13:31,812 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (not (= 7 |old(~a21~0)|)) (= 2 |old(~a24~0)|) (< 0 (+ |old(~a12~0)| 49)) (and (= ~a12~0 |old(~a12~0)|) (= ~a21~0 |old(~a21~0)|) (= |old(~a15~0)| ~a15~0) (= |old(~a24~0)| ~a24~0)) (= 6 |old(~a15~0)|) (= 9 |old(~a15~0)|)) [2018-11-28 17:13:31,812 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2018-11-28 17:13:31,812 INFO L444 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (or (not (= 6 ~a21~0)) (not (= 7 |old(~a21~0)|)) (= 2 |old(~a24~0)|) (< 0 (+ |old(~a12~0)| 49)) (and (or (<= (+ ~a12~0 43) 0) (< 11 ~a12~0)) (= 1 ~a24~0)) (= 6 |old(~a15~0)|) (= 9 |old(~a15~0)|) (not (= ~a15~0 6))) [2018-11-28 17:13:31,812 INFO L448 ceAbstractionStarter]: For program point L888-1(line 888) no Hoare annotation was computed. [2018-11-28 17:13:31,812 INFO L448 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2018-11-28 17:13:31,812 INFO L444 ceAbstractionStarter]: At program point L880-2(lines 880 889) the Hoare annotation is: (or (not (= 6 ~a21~0)) (not (= 7 |old(~a21~0)|)) (= 2 |old(~a24~0)|) (< 0 (+ |old(~a12~0)| 49)) (and (or (<= (+ ~a12~0 43) 0) (< 11 ~a12~0)) (= 1 ~a24~0)) (= 6 |old(~a15~0)|) (= 9 |old(~a15~0)|) (not (= ~a15~0 6))) [2018-11-28 17:13:31,812 INFO L448 ceAbstractionStarter]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2018-11-28 17:13:31,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:13:31 BoogieIcfgContainer [2018-11-28 17:13:31,831 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 17:13:31,833 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 17:13:31,833 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 17:13:31,833 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 17:13:31,834 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:13:02" (3/4) ... [2018-11-28 17:13:31,841 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 17:13:31,853 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 17:13:31,853 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-28 17:13:31,853 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 17:13:31,895 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-28 17:13:31,896 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-28 17:13:31,939 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(6 == a21) || !(7 == \old(a21))) || 2 == \old(a24)) || 0 < \old(a12) + 49) || ((a12 + 43 <= 0 || 11 < a12) && 1 == a24)) || 6 == \old(a15)) || 9 == \old(a15)) || !(a15 == 6) [2018-11-28 17:13:32,131 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 17:13:32,131 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 17:13:32,132 INFO L168 Benchmark]: Toolchain (without parser) took 34421.56 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 474.5 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -182.6 MB). Peak memory consumption was 291.9 MB. Max. memory is 11.5 GB. [2018-11-28 17:13:32,134 INFO L168 Benchmark]: CDTParser took 0.19 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 17:13:32,134 INFO L168 Benchmark]: CACSL2BoogieTranslator took 851.08 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 909.7 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-28 17:13:32,134 INFO L168 Benchmark]: Boogie Procedure Inliner took 159.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 909.7 MB in the beginning and 1.1 GB in the end (delta: -205.3 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2018-11-28 17:13:32,135 INFO L168 Benchmark]: Boogie Preprocessor took 153.75 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 17:13:32,135 INFO L168 Benchmark]: RCFGBuilder took 3838.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 995.0 MB in the end (delta: 120.1 MB). Peak memory consumption was 120.1 MB. Max. memory is 11.5 GB. [2018-11-28 17:13:32,135 INFO L168 Benchmark]: TraceAbstraction took 29113.60 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 345.5 MB). Free memory was 988.2 MB in the beginning and 1.2 GB in the end (delta: -168.3 MB). Peak memory consumption was 177.2 MB. Max. memory is 11.5 GB. [2018-11-28 17:13:32,138 INFO L168 Benchmark]: Witness Printer took 298.60 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 26.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. [2018-11-28 17:13:32,140 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 851.08 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 909.7 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 159.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 909.7 MB in the beginning and 1.1 GB in the end (delta: -205.3 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 153.75 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 3838.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 995.0 MB in the end (delta: 120.1 MB). Peak memory consumption was 120.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 29113.60 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 345.5 MB). Free memory was 988.2 MB in the beginning and 1.2 GB in the end (delta: -168.3 MB). Peak memory consumption was 177.2 MB. Max. memory is 11.5 GB. * Witness Printer took 298.60 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 26.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 127]: 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: 880]: Loop Invariant Derived loop invariant: ((((((!(6 == a21) || !(7 == \old(a21))) || 2 == \old(a24)) || 0 < \old(a12) + 49) || ((a12 + 43 <= 0 || 11 < a12) && 1 == a24)) || 6 == \old(a15)) || 9 == \old(a15)) || !(a15 == 6) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. SAFE Result, 29.0s OverallTime, 5 OverallIterations, 4 TraceHistogramMax, 22.2s AutomataDifference, 0.0s DeadEndRemovalTime, 2.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 235 SDtfs, 5179 SDslu, 730 SDs, 0 SdLazy, 10639 SolverSat, 2393 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 727 GetRequests, 628 SyntacticMatches, 6 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1067 ImplicationChecksByTransitivity, 3.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1688occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 652 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 103 PreInvPairs, 251 NumberOfFragments, 215 HoareAnnotationTreeSize, 103 FomulaSimplifications, 20891 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1336 FormulaSimplificationTreeSizeReductionInter, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 1448 NumberOfCodeBlocks, 1448 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1441 ConstructedInterpolants, 0 QuantifiedInterpolants, 1803523 SizeOfPredicates, 3 NumberOfNonLiveVariables, 977 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 916/1142 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...