./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/eca-rers2012/Problem10_label45_true-unreach-call.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/Problem10_label45_true-unreach-call.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 70545f5392ebc5e90051a936a28b8141bae29fb0 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:03:37,654 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 17:03:37,656 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 17:03:37,668 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 17:03:37,669 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 17:03:37,670 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 17:03:37,671 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 17:03:37,673 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 17:03:37,675 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 17:03:37,676 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 17:03:37,677 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 17:03:37,677 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 17:03:37,679 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 17:03:37,680 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 17:03:37,681 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 17:03:37,682 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 17:03:37,683 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 17:03:37,685 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 17:03:37,688 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 17:03:37,690 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 17:03:37,691 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 17:03:37,692 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 17:03:37,695 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 17:03:37,696 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 17:03:37,696 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 17:03:37,697 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 17:03:37,698 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 17:03:37,700 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 17:03:37,701 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 17:03:37,702 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 17:03:37,703 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 17:03:37,703 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 17:03:37,704 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 17:03:37,704 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 17:03:37,705 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 17:03:37,707 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 17:03:37,707 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 17:03:37,723 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 17:03:37,724 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 17:03:37,725 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 17:03:37,725 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 17:03:37,726 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 17:03:37,726 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 17:03:37,726 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 17:03:37,726 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 17:03:37,726 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 17:03:37,727 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 17:03:37,728 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 17:03:37,728 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 17:03:37,728 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 17:03:37,728 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 17:03:37,729 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 17:03:37,729 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 17:03:37,729 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 17:03:37,730 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 17:03:37,730 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 17:03:37,730 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 17:03:37,730 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 17:03:37,730 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 17:03:37,731 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 17:03:37,731 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 17:03:37,731 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 17:03:37,731 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 17:03:37,731 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 17:03:37,731 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 17:03:37,732 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 17:03:37,733 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 17:03:37,734 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 -> 70545f5392ebc5e90051a936a28b8141bae29fb0 [2018-11-28 17:03:37,770 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 17:03:37,783 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 17:03:37,787 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 17:03:37,789 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 17:03:37,789 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 17:03:37,790 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/eca-rers2012/Problem10_label45_true-unreach-call.c [2018-11-28 17:03:37,852 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32c2f0858/16837692dbfa4102ba81bda81da077a8/FLAG813c5e2ed [2018-11-28 17:03:38,360 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 17:03:38,361 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/eca-rers2012/Problem10_label45_true-unreach-call.c [2018-11-28 17:03:38,379 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32c2f0858/16837692dbfa4102ba81bda81da077a8/FLAG813c5e2ed [2018-11-28 17:03:38,646 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32c2f0858/16837692dbfa4102ba81bda81da077a8 [2018-11-28 17:03:38,649 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 17:03:38,651 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 17:03:38,652 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 17:03:38,652 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 17:03:38,656 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 17:03:38,657 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:03:38" (1/1) ... [2018-11-28 17:03:38,660 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cf3e19e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:38, skipping insertion in model container [2018-11-28 17:03:38,660 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:03:38" (1/1) ... [2018-11-28 17:03:38,668 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 17:03:38,724 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 17:03:39,123 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 17:03:39,130 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 17:03:39,280 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 17:03:39,299 INFO L195 MainTranslator]: Completed translation [2018-11-28 17:03:39,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:39 WrapperNode [2018-11-28 17:03:39,300 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 17:03:39,303 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 17:03:39,303 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 17:03:39,303 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 17:03:39,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:39" (1/1) ... [2018-11-28 17:03:39,420 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:39" (1/1) ... [2018-11-28 17:03:39,431 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 17:03:39,431 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 17:03:39,431 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 17:03:39,432 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 17:03:39,442 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:39" (1/1) ... [2018-11-28 17:03:39,442 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:39" (1/1) ... [2018-11-28 17:03:39,446 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:39" (1/1) ... [2018-11-28 17:03:39,447 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:39" (1/1) ... [2018-11-28 17:03:39,489 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:39" (1/1) ... [2018-11-28 17:03:39,511 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:39" (1/1) ... [2018-11-28 17:03:39,519 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:39" (1/1) ... [2018-11-28 17:03:39,535 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 17:03:39,535 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 17:03:39,535 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 17:03:39,535 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 17:03:39,538 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:39" (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 17:03:39,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 17:03:39,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 17:03:39,620 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-28 17:03:39,620 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-28 17:03:39,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 17:03:39,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 17:03:39,620 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 17:03:39,621 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 17:03:42,794 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 17:03:42,795 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-28 17:03:42,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:03:42 BoogieIcfgContainer [2018-11-28 17:03:42,795 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 17:03:42,797 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 17:03:42,797 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 17:03:42,801 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 17:03:42,801 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:03:38" (1/3) ... [2018-11-28 17:03:42,802 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6779c1ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:03:42, skipping insertion in model container [2018-11-28 17:03:42,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:03:39" (2/3) ... [2018-11-28 17:03:42,802 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6779c1ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:03:42, skipping insertion in model container [2018-11-28 17:03:42,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:03:42" (3/3) ... [2018-11-28 17:03:42,804 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label45_true-unreach-call.c [2018-11-28 17:03:42,815 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 17:03:42,825 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 17:03:42,842 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 17:03:42,878 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 17:03:42,879 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 17:03:42,879 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 17:03:42,879 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 17:03:42,881 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 17:03:42,881 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 17:03:42,881 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 17:03:42,881 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 17:03:42,881 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 17:03:42,913 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2018-11-28 17:03:42,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-28 17:03:42,922 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 17:03:42,923 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] [2018-11-28 17:03:42,925 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 17:03:42,931 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 17:03:42,932 INFO L82 PathProgramCache]: Analyzing trace with hash 312365279, now seen corresponding path program 1 times [2018-11-28 17:03:42,933 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 17:03:42,934 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 17:03:42,979 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 17:03:42,979 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 17:03:42,979 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 17:03:43,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 17:03:43,353 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 17:03:43,356 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 17:03:43,358 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 17:03:43,364 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 17:03:43,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 17:03:43,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 17:03:43,383 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 3 states. [2018-11-28 17:03:45,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 17:03:45,101 INFO L93 Difference]: Finished difference Result 571 states and 989 transitions. [2018-11-28 17:03:45,104 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 17:03:45,106 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2018-11-28 17:03:45,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 17:03:45,123 INFO L225 Difference]: With dead ends: 571 [2018-11-28 17:03:45,123 INFO L226 Difference]: Without dead ends: 294 [2018-11-28 17:03:45,132 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 17:03:45,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2018-11-28 17:03:45,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 294. [2018-11-28 17:03:45,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2018-11-28 17:03:45,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 421 transitions. [2018-11-28 17:03:45,216 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 421 transitions. Word has length 44 [2018-11-28 17:03:45,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 17:03:45,217 INFO L480 AbstractCegarLoop]: Abstraction has 294 states and 421 transitions. [2018-11-28 17:03:45,217 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 17:03:45,218 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 421 transitions. [2018-11-28 17:03:45,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-11-28 17:03:45,223 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 17:03:45,224 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:03:45,224 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 17:03:45,224 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 17:03:45,225 INFO L82 PathProgramCache]: Analyzing trace with hash -78490639, now seen corresponding path program 1 times [2018-11-28 17:03:45,225 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 17:03:45,225 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 17:03:45,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 17:03:45,227 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 17:03:45,227 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 17:03:45,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 17:03:45,564 WARN L180 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-28 17:03:45,696 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 17:03:45,696 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 17:03:45,696 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 17:03:45,699 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 17:03:45,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 17:03:45,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-28 17:03:45,700 INFO L87 Difference]: Start difference. First operand 294 states and 421 transitions. Second operand 6 states. [2018-11-28 17:03:47,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 17:03:47,645 INFO L93 Difference]: Finished difference Result 741 states and 1061 transitions. [2018-11-28 17:03:47,646 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 17:03:47,647 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 113 [2018-11-28 17:03:47,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 17:03:47,653 INFO L225 Difference]: With dead ends: 741 [2018-11-28 17:03:47,653 INFO L226 Difference]: Without dead ends: 453 [2018-11-28 17:03:47,656 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-28 17:03:47,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2018-11-28 17:03:47,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 445. [2018-11-28 17:03:47,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 445 states. [2018-11-28 17:03:47,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 606 transitions. [2018-11-28 17:03:47,692 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 606 transitions. Word has length 113 [2018-11-28 17:03:47,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 17:03:47,693 INFO L480 AbstractCegarLoop]: Abstraction has 445 states and 606 transitions. [2018-11-28 17:03:47,693 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 17:03:47,693 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 606 transitions. [2018-11-28 17:03:47,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-11-28 17:03:47,698 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 17:03:47,699 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:03:47,699 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 17:03:47,699 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 17:03:47,699 INFO L82 PathProgramCache]: Analyzing trace with hash -681057027, now seen corresponding path program 1 times [2018-11-28 17:03:47,700 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 17:03:47,700 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 17:03:47,701 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 17:03:47,701 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 17:03:47,701 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 17:03:47,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 17:03:48,100 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 20 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 17:03:48,100 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 17:03:48,101 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 17:03:48,112 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 17:03:48,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 17:03:48,199 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 17:03:50,095 WARN L180 SmtUtils]: Spent 1.53 s on a formula simplification that was a NOOP. DAG size: 35 [2018-11-28 17:03:50,404 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 13 [2018-11-28 17:03:50,560 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 3 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 17:03:50,592 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 17:03:50,593 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 11 [2018-11-28 17:03:50,594 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-28 17:03:50,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-28 17:03:50,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2018-11-28 17:03:50,594 INFO L87 Difference]: Start difference. First operand 445 states and 606 transitions. Second operand 11 states. [2018-11-28 17:03:51,087 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-11-28 17:03:57,467 WARN L180 SmtUtils]: Spent 2.93 s on a formula simplification. DAG size of input: 60 DAG size of output: 50 [2018-11-28 17:03:59,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 17:03:59,869 INFO L93 Difference]: Finished difference Result 1713 states and 2486 transitions. [2018-11-28 17:03:59,870 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-28 17:03:59,871 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 123 [2018-11-28 17:03:59,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 17:03:59,888 INFO L225 Difference]: With dead ends: 1713 [2018-11-28 17:03:59,889 INFO L226 Difference]: Without dead ends: 1224 [2018-11-28 17:03:59,893 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 123 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=120, Invalid=300, Unknown=0, NotChecked=0, Total=420 [2018-11-28 17:03:59,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1224 states. [2018-11-28 17:04:00,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1224 to 1190. [2018-11-28 17:04:00,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1190 states. [2018-11-28 17:04:00,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1190 states to 1190 states and 1617 transitions. [2018-11-28 17:04:00,020 INFO L78 Accepts]: Start accepts. Automaton has 1190 states and 1617 transitions. Word has length 123 [2018-11-28 17:04:00,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 17:04:00,024 INFO L480 AbstractCegarLoop]: Abstraction has 1190 states and 1617 transitions. [2018-11-28 17:04:00,024 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-28 17:04:00,024 INFO L276 IsEmpty]: Start isEmpty. Operand 1190 states and 1617 transitions. [2018-11-28 17:04:00,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-11-28 17:04:00,040 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 17:04:00,040 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:04:00,040 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 17:04:00,040 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 17:04:00,042 INFO L82 PathProgramCache]: Analyzing trace with hash 844100826, now seen corresponding path program 1 times [2018-11-28 17:04:00,042 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 17:04:00,042 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 17:04:00,043 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 17:04:00,043 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 17:04:00,043 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 17:04:00,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 17:04:00,362 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-28 17:04:00,772 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 17:04:00,772 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 17:04:00,772 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 17:04:00,773 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 17:04:00,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 17:04:00,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-28 17:04:00,774 INFO L87 Difference]: Start difference. First operand 1190 states and 1617 transitions. Second operand 6 states. [2018-11-28 17:04:02,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 17:04:02,803 INFO L93 Difference]: Finished difference Result 3016 states and 4355 transitions. [2018-11-28 17:04:02,809 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 17:04:02,809 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 166 [2018-11-28 17:04:02,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 17:04:02,826 INFO L225 Difference]: With dead ends: 3016 [2018-11-28 17:04:02,826 INFO L226 Difference]: Without dead ends: 1832 [2018-11-28 17:04:02,831 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-28 17:04:02,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1832 states. [2018-11-28 17:04:02,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1832 to 1786. [2018-11-28 17:04:02,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1786 states. [2018-11-28 17:04:02,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1786 states to 1786 states and 2370 transitions. [2018-11-28 17:04:02,922 INFO L78 Accepts]: Start accepts. Automaton has 1786 states and 2370 transitions. Word has length 166 [2018-11-28 17:04:02,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 17:04:02,922 INFO L480 AbstractCegarLoop]: Abstraction has 1786 states and 2370 transitions. [2018-11-28 17:04:02,922 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 17:04:02,923 INFO L276 IsEmpty]: Start isEmpty. Operand 1786 states and 2370 transitions. [2018-11-28 17:04:02,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-28 17:04:02,926 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 17:04:02,926 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:04:02,927 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 17:04:02,927 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 17:04:02,927 INFO L82 PathProgramCache]: Analyzing trace with hash -218804626, now seen corresponding path program 1 times [2018-11-28 17:04:02,927 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 17:04:02,928 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 17:04:02,928 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 17:04:02,929 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 17:04:02,929 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 17:04:02,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 17:04:03,192 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-28 17:04:03,271 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 17:04:03,271 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 17:04:03,271 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 17:04:03,281 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 17:04:03,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 17:04:03,344 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 17:04:03,417 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 17:04:03,436 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 17:04:03,437 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2018-11-28 17:04:03,437 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 17:04:03,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 17:04:03,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-11-28 17:04:03,438 INFO L87 Difference]: Start difference. First operand 1786 states and 2370 transitions. Second operand 5 states. [2018-11-28 17:04:04,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 17:04:04,743 INFO L93 Difference]: Finished difference Result 3266 states and 4517 transitions. [2018-11-28 17:04:04,743 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 17:04:04,744 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 172 [2018-11-28 17:04:04,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 17:04:04,745 INFO L225 Difference]: With dead ends: 3266 [2018-11-28 17:04:04,745 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 17:04:04,753 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 174 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-11-28 17:04:04,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 17:04:04,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 17:04:04,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 17:04:04,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 17:04:04,754 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 172 [2018-11-28 17:04:04,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 17:04:04,754 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 17:04:04,755 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 17:04:04,755 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 17:04:04,755 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 17:04:04,760 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 17:04:04,860 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 17:04:04,860 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 17:04:04,871 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 17:04:04,871 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 17:04:04,889 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 17:04:04,896 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 17:04:04,913 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 17:04:04,914 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 17:04:04,919 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 17:04:04,919 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 17:04:04,940 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 17:04:04,947 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 17:04:05,663 WARN L180 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 40 [2018-11-28 17:04:05,795 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 41 [2018-11-28 17:04:05,922 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 41 [2018-11-28 17:04:05,924 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 17:04:05,925 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a19~0)| ~a19~0) (= |old(~a10~0)| ~a10~0) (= ~a1~0 |old(~a1~0)|)) [2018-11-28 17:04:05,925 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 17:04:05,925 INFO L448 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-11-28 17:04:05,925 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:05,925 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:05,925 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:05,925 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:05,926 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:05,926 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:05,926 INFO L448 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-11-28 17:04:05,926 INFO L448 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-11-28 17:04:05,926 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-28 17:04:05,926 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-28 17:04:05,926 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-28 17:04:05,926 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-28 17:04:05,926 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-28 17:04:05,927 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-28 17:04:05,927 INFO L448 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-11-28 17:04:05,927 INFO L448 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-11-28 17:04:05,927 INFO L448 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-11-28 17:04:05,927 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:05,927 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:05,927 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:05,927 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:05,927 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:05,928 INFO L448 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-11-28 17:04:05,928 INFO L448 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-11-28 17:04:05,928 INFO L448 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-11-28 17:04:05,928 INFO L448 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-11-28 17:04:05,928 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-28 17:04:05,928 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-28 17:04:05,928 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-28 17:04:05,928 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-28 17:04:05,928 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-28 17:04:05,929 INFO L448 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-11-28 17:04:05,929 INFO L448 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-11-28 17:04:05,929 INFO L448 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-11-28 17:04:05,929 INFO L448 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-11-28 17:04:05,929 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-11-28 17:04:05,929 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:05,929 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:05,929 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:05,929 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:05,929 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:05,930 INFO L448 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-11-28 17:04:05,930 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-28 17:04:05,930 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-28 17:04:05,930 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-28 17:04:05,930 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-28 17:04:05,930 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-28 17:04:05,930 INFO L448 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-11-28 17:04:05,930 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-11-28 17:04:05,930 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-11-28 17:04:05,931 INFO L448 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-11-28 17:04:05,931 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:05,931 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:05,931 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:05,931 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:05,931 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:05,931 INFO L448 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-11-28 17:04:05,931 INFO L448 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-11-28 17:04:05,931 INFO L448 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-11-28 17:04:05,932 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-28 17:04:05,932 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-28 17:04:05,932 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-28 17:04:05,932 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-28 17:04:05,932 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-28 17:04:05,932 INFO L448 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-11-28 17:04:05,932 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-11-28 17:04:05,932 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-11-28 17:04:05,932 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-11-28 17:04:05,932 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-11-28 17:04:05,933 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:05,933 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:05,933 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:05,933 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:05,933 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:05,933 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-28 17:04:05,933 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-28 17:04:05,933 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-28 17:04:05,933 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-28 17:04:05,934 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-28 17:04:05,934 INFO L448 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-11-28 17:04:05,934 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-11-28 17:04:05,934 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-11-28 17:04:05,934 INFO L448 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-11-28 17:04:05,934 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:05,934 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:05,934 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:05,934 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:05,935 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:05,935 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:05,935 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:05,935 INFO L448 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-11-28 17:04:05,935 INFO L448 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-11-28 17:04:05,935 INFO L448 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-11-28 17:04:05,935 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-11-28 17:04:05,935 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-28 17:04:05,935 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-28 17:04:05,936 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-28 17:04:05,936 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-28 17:04:05,936 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-28 17:04:05,936 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-11-28 17:04:05,936 INFO L448 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-11-28 17:04:05,936 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-11-28 17:04:05,936 INFO L448 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-11-28 17:04:05,936 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:05,936 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:05,937 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:05,937 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:05,937 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-11-28 17:04:05,937 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:05,937 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:05,937 INFO L448 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-11-28 17:04:05,937 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-11-28 17:04:05,937 INFO L448 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-11-28 17:04:05,937 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-28 17:04:05,937 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-28 17:04:05,937 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-28 17:04:05,938 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-28 17:04:05,938 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-28 17:04:05,938 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-28 17:04:05,938 INFO L448 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-11-28 17:04:05,938 INFO L448 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-11-28 17:04:05,938 INFO L448 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-11-28 17:04:05,938 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-11-28 17:04:05,938 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:05,938 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:05,939 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:05,939 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:05,939 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:05,939 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:05,939 INFO L448 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-11-28 17:04:05,939 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-11-28 17:04:05,939 INFO L448 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-11-28 17:04:05,939 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-28 17:04:05,939 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-28 17:04:05,939 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-28 17:04:05,940 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-28 17:04:05,940 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-28 17:04:05,940 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-28 17:04:05,940 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-11-28 17:04:05,940 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-11-28 17:04:05,940 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse0 (= |old(~a10~0)| ~a10~0)) (.cse1 (= ~a1~0 |old(~a1~0)|))) (let ((.cse2 (= 8 |old(~a19~0)|)) (.cse4 (= 10 |old(~a19~0)|)) (.cse3 (and (= |old(~a19~0)| ~a19~0) .cse0 .cse1))) (and (or (and (= 8 ~a19~0) .cse0 .cse1) (not .cse2) (not (= 14 ~a4~0)) (not (= 0 ~a12~0)) (<= |old(~a1~0)| 218)) (or (= 4 |old(~a10~0)|) .cse3 (< |old(~a19~0)| 9)) (or .cse4 .cse3 .cse2) (or .cse4 .cse3 (= 1 |old(~a10~0)|))))) [2018-11-28 17:04:05,940 INFO L448 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-11-28 17:04:05,940 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-11-28 17:04:05,941 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-11-28 17:04:05,941 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:05,941 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:05,941 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:05,941 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:05,941 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:05,941 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:05,941 INFO L448 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-11-28 17:04:05,941 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-28 17:04:05,941 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-28 17:04:05,942 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-28 17:04:05,942 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-28 17:04:05,942 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-28 17:04:05,942 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-28 17:04:05,942 INFO L448 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-11-28 17:04:05,942 INFO L448 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-11-28 17:04:05,942 INFO L448 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-11-28 17:04:05,942 INFO L448 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-11-28 17:04:05,942 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 118) no Hoare annotation was computed. [2018-11-28 17:04:05,943 INFO L448 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-11-28 17:04:05,943 INFO L448 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-11-28 17:04:05,943 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:05,943 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:05,943 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:05,943 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:05,943 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:05,943 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:05,943 INFO L448 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-11-28 17:04:05,944 INFO L448 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-11-28 17:04:05,944 INFO L448 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-11-28 17:04:05,944 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-28 17:04:05,944 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-28 17:04:05,944 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-28 17:04:05,944 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-28 17:04:05,944 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-28 17:04:05,944 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-28 17:04:05,944 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-11-28 17:04:05,944 INFO L448 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-11-28 17:04:05,945 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-11-28 17:04:05,945 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:05,945 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:05,945 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:05,945 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:05,945 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:05,945 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2018-11-28 17:04:05,945 INFO L448 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-11-28 17:04:05,945 INFO L448 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-11-28 17:04:05,945 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-11-28 17:04:05,946 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-28 17:04:05,946 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-28 17:04:05,946 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-28 17:04:05,946 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-28 17:04:05,946 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-28 17:04:05,946 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-28 17:04:05,946 INFO L448 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-11-28 17:04:05,946 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-11-28 17:04:05,946 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-11-28 17:04:05,947 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 17:04:05,947 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= 23 ~a1~0) (not (= ~a19~0 10)) (= ~a12~0 0) (not (= ~a10~0 1)) (= ~a4~0 14) (not (= ~a10~0 4)) (<= 9 ~a19~0)) [2018-11-28 17:04:05,947 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 17:04:05,947 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 17:04:05,947 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (and (= |old(~a19~0)| ~a19~0) (= |old(~a10~0)| ~a10~0) (= ~a1~0 |old(~a1~0)|)) (= 4 |old(~a10~0)|) (< |old(~a1~0)| 23) (= 10 |old(~a19~0)|) (not (= 14 ~a4~0)) (not (= 0 ~a12~0)) (= 1 |old(~a10~0)|) (< |old(~a19~0)| 9)) [2018-11-28 17:04:05,947 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2018-11-28 17:04:05,947 INFO L444 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (not (= ~a10~0 4)))) (or (= 4 |old(~a10~0)|) (< |old(~a1~0)| 23) (= 10 |old(~a19~0)|) (not (= 14 ~a4~0)) (and (not (= ~a19~0 10)) (not (= ~a10~0 1))) (and (not (= ~a19~0 8)) .cse0) (not (= 0 ~a12~0)) (and (< 218 ~a1~0) .cse0) (= 1 |old(~a10~0)|) (< |old(~a19~0)| 9))) [2018-11-28 17:04:05,947 INFO L448 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2018-11-28 17:04:05,948 INFO L448 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-11-28 17:04:05,948 INFO L444 ceAbstractionStarter]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (not (= ~a10~0 4)))) (or (= 4 |old(~a10~0)|) (< |old(~a1~0)| 23) (= 10 |old(~a19~0)|) (not (= 14 ~a4~0)) (and (not (= ~a19~0 10)) (not (= ~a10~0 1))) (and (not (= ~a19~0 8)) .cse0) (not (= 0 ~a12~0)) (and (< 218 ~a1~0) .cse0) (= 1 |old(~a10~0)|) (< |old(~a19~0)| 9))) [2018-11-28 17:04:05,948 INFO L448 ceAbstractionStarter]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2018-11-28 17:04:05,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:04:05 BoogieIcfgContainer [2018-11-28 17:04:05,966 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 17:04:05,966 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 17:04:05,966 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 17:04:05,966 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 17:04:05,967 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:03:42" (3/4) ... [2018-11-28 17:04:05,971 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 17:04:05,979 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 17:04:05,979 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-28 17:04:05,980 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 17:04:05,994 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-28 17:04:05,996 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-28 17:04:06,034 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((4 == \old(a10) || \old(a1) < 23) || 10 == \old(a19)) || !(14 == a4)) || (!(a19 == 10) && !(a10 == 1))) || (!(a19 == 8) && !(a10 == 4))) || !(0 == a12)) || (218 < a1 && !(a10 == 4))) || 1 == \old(a10)) || \old(a19) < 9 [2018-11-28 17:04:06,245 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 17:04:06,249 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 17:04:06,251 INFO L168 Benchmark]: Toolchain (without parser) took 27600.73 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 315.1 MB). Free memory was 951.4 MB in the beginning and 923.9 MB in the end (delta: 27.5 MB). Peak memory consumption was 342.6 MB. Max. memory is 11.5 GB. [2018-11-28 17:04:06,251 INFO L168 Benchmark]: CDTParser took 0.18 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 17:04:06,252 INFO L168 Benchmark]: CACSL2BoogieTranslator took 648.15 ms. Allocated memory is still 1.0 GB. Free memory was 946.0 MB in the beginning and 919.1 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-11-28 17:04:06,253 INFO L168 Benchmark]: Boogie Procedure Inliner took 128.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 919.1 MB in the beginning and 1.1 GB in the end (delta: -205.6 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. [2018-11-28 17:04:06,253 INFO L168 Benchmark]: Boogie Preprocessor took 103.53 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 17:04:06,254 INFO L168 Benchmark]: RCFGBuilder took 3260.61 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: 100.1 MB). Peak memory consumption was 100.1 MB. Max. memory is 11.5 GB. [2018-11-28 17:04:06,254 INFO L168 Benchmark]: TraceAbstraction took 23168.89 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 177.2 MB). Free memory was 1.0 GB in the beginning and 942.6 MB in the end (delta: 82.1 MB). Peak memory consumption was 259.3 MB. Max. memory is 11.5 GB. [2018-11-28 17:04:06,254 INFO L168 Benchmark]: Witness Printer took 282.99 ms. Allocated memory is still 1.3 GB. Free memory was 942.6 MB in the beginning and 923.9 MB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. [2018-11-28 17:04:06,260 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 648.15 ms. Allocated memory is still 1.0 GB. Free memory was 946.0 MB in the beginning and 919.1 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 128.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 919.1 MB in the beginning and 1.1 GB in the end (delta: -205.6 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 103.53 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 3260.61 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: 100.1 MB). Peak memory consumption was 100.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 23168.89 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 177.2 MB). Free memory was 1.0 GB in the beginning and 942.6 MB in the end (delta: 82.1 MB). Peak memory consumption was 259.3 MB. Max. memory is 11.5 GB. * Witness Printer took 282.99 ms. Allocated memory is still 1.3 GB. Free memory was 942.6 MB in the beginning and 923.9 MB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 118]: 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: 582]: Loop Invariant Derived loop invariant: ((((((((4 == \old(a10) || \old(a1) < 23) || 10 == \old(a19)) || !(14 == a4)) || (!(a19 == 10) && !(a10 == 1))) || (!(a19 == 8) && !(a10 == 4))) || !(0 == a12)) || (218 < a1 && !(a10 == 4))) || 1 == \old(a10)) || \old(a19) < 9 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. SAFE Result, 23.0s OverallTime, 5 OverallIterations, 2 TraceHistogramMax, 16.3s AutomataDifference, 0.0s DeadEndRemovalTime, 1.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 148 SDtfs, 2169 SDslu, 259 SDs, 0 SdLazy, 4748 SolverSat, 783 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 350 GetRequests, 303 SyntacticMatches, 8 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 6.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1786occurred 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: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 88 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 53 PreInvPairs, 119 NumberOfFragments, 256 HoareAnnotationTreeSize, 53 FomulaSimplifications, 6406 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1423 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 913 NumberOfCodeBlocks, 913 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 906 ConstructedInterpolants, 40 QuantifiedInterpolants, 517022 SizeOfPredicates, 5 NumberOfNonLiveVariables, 569 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 7 InterpolantComputations, 4 PerfectInterpolantSequences, 137/222 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...