./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label23_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ec2e23ff-c075-4006-807b-98a08c0c6191/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ec2e23ff-c075-4006-807b-98a08c0c6191/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ec2e23ff-c075-4006-807b-98a08c0c6191/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ec2e23ff-c075-4006-807b-98a08c0c6191/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label23_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ec2e23ff-c075-4006-807b-98a08c0c6191/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ec2e23ff-c075-4006-807b-98a08c0c6191/bin-2019/uautomizer --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 32be2810d9c37c4b52439355c8a9e3577edf70e1 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 15:00:27,623 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 15:00:27,625 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 15:00:27,633 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 15:00:27,633 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 15:00:27,634 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 15:00:27,635 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 15:00:27,636 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 15:00:27,637 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 15:00:27,638 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 15:00:27,639 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 15:00:27,640 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 15:00:27,640 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 15:00:27,641 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 15:00:27,642 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 15:00:27,642 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 15:00:27,643 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 15:00:27,644 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 15:00:27,646 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 15:00:27,647 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 15:00:27,648 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 15:00:27,648 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 15:00:27,650 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 15:00:27,650 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 15:00:27,651 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 15:00:27,651 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 15:00:27,652 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 15:00:27,653 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 15:00:27,653 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 15:00:27,654 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 15:00:27,654 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 15:00:27,659 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 15:00:27,659 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 15:00:27,659 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 15:00:27,660 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 15:00:27,660 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 15:00:27,661 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ec2e23ff-c075-4006-807b-98a08c0c6191/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 15:00:27,671 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 15:00:27,671 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 15:00:27,672 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 15:00:27,672 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 15:00:27,672 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 15:00:27,672 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 15:00:27,673 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 15:00:27,673 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 15:00:27,673 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 15:00:27,673 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 15:00:27,673 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 15:00:27,673 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 15:00:27,673 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 15:00:27,674 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 15:00:27,674 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 15:00:27,674 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 15:00:27,674 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 15:00:27,674 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 15:00:27,674 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 15:00:27,674 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 15:00:27,674 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 15:00:27,675 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 15:00:27,675 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 15:00:27,675 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 15:00:27,675 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 15:00:27,675 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 15:00:27,675 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 15:00:27,675 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 15:00:27,676 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 15:00:27,676 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 15:00:27,676 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_ec2e23ff-c075-4006-807b-98a08c0c6191/bin-2019/uautomizer 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 -> 32be2810d9c37c4b52439355c8a9e3577edf70e1 [2018-11-23 15:00:27,699 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 15:00:27,707 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 15:00:27,709 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 15:00:27,710 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 15:00:27,711 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 15:00:27,711 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ec2e23ff-c075-4006-807b-98a08c0c6191/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem01_label23_true-unreach-call_false-termination.c [2018-11-23 15:00:27,747 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ec2e23ff-c075-4006-807b-98a08c0c6191/bin-2019/uautomizer/data/03cd61c49/923a20d860f84608bf24990eed44a814/FLAGe577c0978 [2018-11-23 15:00:28,150 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 15:00:28,151 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ec2e23ff-c075-4006-807b-98a08c0c6191/sv-benchmarks/c/eca-rers2012/Problem01_label23_true-unreach-call_false-termination.c [2018-11-23 15:00:28,159 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ec2e23ff-c075-4006-807b-98a08c0c6191/bin-2019/uautomizer/data/03cd61c49/923a20d860f84608bf24990eed44a814/FLAGe577c0978 [2018-11-23 15:00:28,511 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ec2e23ff-c075-4006-807b-98a08c0c6191/bin-2019/uautomizer/data/03cd61c49/923a20d860f84608bf24990eed44a814 [2018-11-23 15:00:28,513 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 15:00:28,514 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 15:00:28,514 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 15:00:28,515 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 15:00:28,517 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 15:00:28,518 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:00:28" (1/1) ... [2018-11-23 15:00:28,520 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e42f8a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:00:28, skipping insertion in model container [2018-11-23 15:00:28,520 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:00:28" (1/1) ... [2018-11-23 15:00:28,526 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 15:00:28,559 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 15:00:28,818 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:00:28,822 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 15:00:28,888 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:00:28,900 INFO L195 MainTranslator]: Completed translation [2018-11-23 15:00:28,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:00:28 WrapperNode [2018-11-23 15:00:28,901 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 15:00:28,901 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 15:00:28,901 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 15:00:28,901 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 15:00:28,971 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:00:28" (1/1) ... [2018-11-23 15:00:28,984 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:00:28" (1/1) ... [2018-11-23 15:00:28,990 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 15:00:28,991 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 15:00:28,991 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 15:00:28,991 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 15:00:28,999 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:00:28" (1/1) ... [2018-11-23 15:00:28,999 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:00:28" (1/1) ... [2018-11-23 15:00:29,003 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:00:28" (1/1) ... [2018-11-23 15:00:29,003 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:00:28" (1/1) ... [2018-11-23 15:00:29,025 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:00:28" (1/1) ... [2018-11-23 15:00:29,033 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:00:28" (1/1) ... [2018-11-23 15:00:29,036 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:00:28" (1/1) ... [2018-11-23 15:00:29,041 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 15:00:29,041 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 15:00:29,041 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 15:00:29,041 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 15:00:29,042 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:00:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ec2e23ff-c075-4006-807b-98a08c0c6191/bin-2019/uautomizer/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 [2018-11-23 15:00:29,082 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 15:00:29,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 15:00:29,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 15:00:29,082 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 15:00:29,083 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 15:00:29,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 15:00:29,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 15:00:29,083 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 15:00:29,083 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 15:00:29,751 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 15:00:29,751 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 15:00:29,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:00:29 BoogieIcfgContainer [2018-11-23 15:00:29,752 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 15:00:29,752 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 15:00:29,753 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 15:00:29,756 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 15:00:29,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:00:28" (1/3) ... [2018-11-23 15:00:29,757 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7910aa92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:00:29, skipping insertion in model container [2018-11-23 15:00:29,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:00:28" (2/3) ... [2018-11-23 15:00:29,758 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7910aa92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:00:29, skipping insertion in model container [2018-11-23 15:00:29,758 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:00:29" (3/3) ... [2018-11-23 15:00:29,759 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label23_true-unreach-call_false-termination.c [2018-11-23 15:00:29,765 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 15:00:29,770 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 15:00:29,780 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 15:00:29,800 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 15:00:29,801 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 15:00:29,801 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 15:00:29,801 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 15:00:29,801 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 15:00:29,801 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 15:00:29,801 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 15:00:29,802 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 15:00:29,802 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 15:00:29,818 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2018-11-23 15:00:29,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-11-23 15:00:29,824 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:00:29,825 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:00:29,827 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:00:29,830 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:00:29,830 INFO L82 PathProgramCache]: Analyzing trace with hash 1083972551, now seen corresponding path program 1 times [2018-11-23 15:00:29,831 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:00:29,832 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:00:29,861 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:00:29,861 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:00:29,861 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:00:29,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:00:30,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:00:30,105 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:00:30,105 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 15:00:30,108 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 15:00:30,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 15:00:30,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 15:00:30,118 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2018-11-23 15:00:30,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:00:30,664 INFO L93 Difference]: Finished difference Result 547 states and 938 transitions. [2018-11-23 15:00:30,664 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 15:00:30,665 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 101 [2018-11-23 15:00:30,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:00:30,675 INFO L225 Difference]: With dead ends: 547 [2018-11-23 15:00:30,675 INFO L226 Difference]: Without dead ends: 338 [2018-11-23 15:00:30,678 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 15:00:30,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2018-11-23 15:00:30,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 338. [2018-11-23 15:00:30,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2018-11-23 15:00:30,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 560 transitions. [2018-11-23 15:00:30,716 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 560 transitions. Word has length 101 [2018-11-23 15:00:30,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:00:30,716 INFO L480 AbstractCegarLoop]: Abstraction has 338 states and 560 transitions. [2018-11-23 15:00:30,717 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 15:00:30,717 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 560 transitions. [2018-11-23 15:00:30,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-23 15:00:30,720 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:00:30,721 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:00:30,721 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:00:30,721 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:00:30,722 INFO L82 PathProgramCache]: Analyzing trace with hash -322237296, now seen corresponding path program 1 times [2018-11-23 15:00:30,726 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:00:30,727 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:00:30,727 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:00:30,728 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:00:30,728 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:00:30,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:00:30,828 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:00:30,829 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:00:30,829 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 15:00:30,830 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 15:00:30,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 15:00:30,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 15:00:30,831 INFO L87 Difference]: Start difference. First operand 338 states and 560 transitions. Second operand 6 states. [2018-11-23 15:00:31,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:00:31,487 INFO L93 Difference]: Finished difference Result 881 states and 1484 transitions. [2018-11-23 15:00:31,488 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 15:00:31,488 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 111 [2018-11-23 15:00:31,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:00:31,493 INFO L225 Difference]: With dead ends: 881 [2018-11-23 15:00:31,493 INFO L226 Difference]: Without dead ends: 549 [2018-11-23 15:00:31,496 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-23 15:00:31,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2018-11-23 15:00:31,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 536. [2018-11-23 15:00:31,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 536 states. [2018-11-23 15:00:31,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 824 transitions. [2018-11-23 15:00:31,521 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 824 transitions. Word has length 111 [2018-11-23 15:00:31,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:00:31,521 INFO L480 AbstractCegarLoop]: Abstraction has 536 states and 824 transitions. [2018-11-23 15:00:31,522 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 15:00:31,522 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 824 transitions. [2018-11-23 15:00:31,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-23 15:00:31,524 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:00:31,524 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:00:31,524 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:00:31,524 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:00:31,525 INFO L82 PathProgramCache]: Analyzing trace with hash -1277669234, now seen corresponding path program 1 times [2018-11-23 15:00:31,525 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:00:31,525 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:00:31,526 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:00:31,526 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:00:31,526 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:00:31,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:00:31,660 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:00:31,660 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:00:31,660 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ec2e23ff-c075-4006-807b-98a08c0c6191/bin-2019/uautomizer/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 [2018-11-23 15:00:31,667 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:00:31,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:00:31,713 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:00:31,772 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:00:31,789 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 15:00:31,790 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2018-11-23 15:00:31,790 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 15:00:31,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 15:00:31,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-11-23 15:00:31,791 INFO L87 Difference]: Start difference. First operand 536 states and 824 transitions. Second operand 8 states. [2018-11-23 15:00:32,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:00:32,686 INFO L93 Difference]: Finished difference Result 2008 states and 3276 transitions. [2018-11-23 15:00:32,687 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-23 15:00:32,687 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 112 [2018-11-23 15:00:32,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:00:32,691 INFO L225 Difference]: With dead ends: 2008 [2018-11-23 15:00:32,691 INFO L226 Difference]: Without dead ends: 985 [2018-11-23 15:00:32,695 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 118 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2018-11-23 15:00:32,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 985 states. [2018-11-23 15:00:32,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 985 to 966. [2018-11-23 15:00:32,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 966 states. [2018-11-23 15:00:32,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 966 states to 966 states and 1210 transitions. [2018-11-23 15:00:32,724 INFO L78 Accepts]: Start accepts. Automaton has 966 states and 1210 transitions. Word has length 112 [2018-11-23 15:00:32,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:00:32,724 INFO L480 AbstractCegarLoop]: Abstraction has 966 states and 1210 transitions. [2018-11-23 15:00:32,724 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 15:00:32,724 INFO L276 IsEmpty]: Start isEmpty. Operand 966 states and 1210 transitions. [2018-11-23 15:00:32,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-23 15:00:32,727 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:00:32,727 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:00:32,727 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:00:32,727 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:00:32,728 INFO L82 PathProgramCache]: Analyzing trace with hash -1148353872, now seen corresponding path program 1 times [2018-11-23 15:00:32,728 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:00:32,728 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:00:32,728 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:00:32,728 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:00:32,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:00:32,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:00:32,802 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:00:32,803 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:00:32,803 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 15:00:32,803 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 15:00:32,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 15:00:32,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 15:00:32,804 INFO L87 Difference]: Start difference. First operand 966 states and 1210 transitions. Second operand 3 states. [2018-11-23 15:00:33,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:00:33,192 INFO L93 Difference]: Finished difference Result 2804 states and 3608 transitions. [2018-11-23 15:00:33,193 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 15:00:33,193 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 127 [2018-11-23 15:00:33,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:00:33,199 INFO L225 Difference]: With dead ends: 2804 [2018-11-23 15:00:33,200 INFO L226 Difference]: Without dead ends: 1844 [2018-11-23 15:00:33,202 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 15:00:33,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1844 states. [2018-11-23 15:00:33,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1844 to 1836. [2018-11-23 15:00:33,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1836 states. [2018-11-23 15:00:33,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1836 states to 1836 states and 2267 transitions. [2018-11-23 15:00:33,245 INFO L78 Accepts]: Start accepts. Automaton has 1836 states and 2267 transitions. Word has length 127 [2018-11-23 15:00:33,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:00:33,246 INFO L480 AbstractCegarLoop]: Abstraction has 1836 states and 2267 transitions. [2018-11-23 15:00:33,246 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 15:00:33,246 INFO L276 IsEmpty]: Start isEmpty. Operand 1836 states and 2267 transitions. [2018-11-23 15:00:33,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-23 15:00:33,250 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:00:33,250 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, 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] [2018-11-23 15:00:33,251 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:00:33,251 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:00:33,251 INFO L82 PathProgramCache]: Analyzing trace with hash 257579638, now seen corresponding path program 1 times [2018-11-23 15:00:33,251 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:00:33,251 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:00:33,252 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:00:33,252 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:00:33,252 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:00:33,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:00:33,432 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 55 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:00:33,432 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 15:00:33,432 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ec2e23ff-c075-4006-807b-98a08c0c6191/bin-2019/uautomizer/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 [2018-11-23 15:00:33,441 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:00:33,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:00:33,504 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 15:00:33,555 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:00:33,581 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 15:00:33,581 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2018-11-23 15:00:33,582 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 15:00:33,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 15:00:33,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-11-23 15:00:33,582 INFO L87 Difference]: Start difference. First operand 1836 states and 2267 transitions. Second operand 8 states. [2018-11-23 15:00:34,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:00:34,907 INFO L93 Difference]: Finished difference Result 6886 states and 9224 transitions. [2018-11-23 15:00:34,908 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-23 15:00:34,908 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 164 [2018-11-23 15:00:34,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:00:34,909 INFO L225 Difference]: With dead ends: 6886 [2018-11-23 15:00:34,909 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 15:00:34,928 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 171 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2018-11-23 15:00:34,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 15:00:34,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 15:00:34,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 15:00:34,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 15:00:34,929 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 164 [2018-11-23 15:00:34,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:00:34,929 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 15:00:34,929 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 15:00:34,930 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 15:00:34,930 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 15:00:34,933 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 15:00:35,025 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:00:35,028 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:00:35,031 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:00:35,033 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:00:35,035 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:00:35,037 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:00:35,038 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:00:35,083 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:00:35,088 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:00:35,090 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:00:35,092 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:00:35,095 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:00:35,097 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:00:35,099 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 15:00:35,469 WARN L180 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 38 [2018-11-23 15:00:35,600 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 45 [2018-11-23 15:00:35,718 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 45 [2018-11-23 15:00:35,720 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 15:00:35,720 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a8~0)| ~a8~0) (= |old(~a17~0)| ~a17~0) (= |old(~a16~0)| ~a16~0)) [2018-11-23 15:00:35,720 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 15:00:35,720 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-23 15:00:35,720 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-23 15:00:35,720 INFO L448 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:00:35,720 INFO L448 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:00:35,720 INFO L448 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:00:35,721 INFO L448 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:00:35,721 INFO L448 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:00:35,721 INFO L448 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:00:35,721 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-23 15:00:35,721 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-23 15:00:35,721 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-23 15:00:35,721 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 461) no Hoare annotation was computed. [2018-11-23 15:00:35,721 INFO L448 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-23 15:00:35,721 INFO L448 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-23 15:00:35,721 INFO L448 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-23 15:00:35,721 INFO L448 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-23 15:00:35,722 INFO L448 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-23 15:00:35,722 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-23 15:00:35,722 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-23 15:00:35,722 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:00:35,722 INFO L448 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:00:35,722 INFO L448 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:00:35,722 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:00:35,722 INFO L448 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:00:35,722 INFO L448 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:00:35,722 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-23 15:00:35,722 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-23 15:00:35,722 INFO L448 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-23 15:00:35,723 INFO L448 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-23 15:00:35,723 INFO L448 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-23 15:00:35,723 INFO L448 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-23 15:00:35,723 INFO L448 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-23 15:00:35,723 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-23 15:00:35,723 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-23 15:00:35,723 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-23 15:00:35,723 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-23 15:00:35,723 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-23 15:00:35,723 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-23 15:00:35,723 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-23 15:00:35,723 INFO L448 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-11-23 15:00:35,724 INFO L448 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:00:35,724 INFO L448 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:00:35,724 INFO L448 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:00:35,724 INFO L448 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:00:35,724 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:00:35,724 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-23 15:00:35,724 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-23 15:00:35,724 INFO L448 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-23 15:00:35,724 INFO L448 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-23 15:00:35,724 INFO L448 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-23 15:00:35,724 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-23 15:00:35,724 INFO L448 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-23 15:00:35,724 INFO L448 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-23 15:00:35,725 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-23 15:00:35,725 INFO L448 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:00:35,725 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:00:35,725 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:00:35,725 INFO L448 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:00:35,725 INFO L448 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:00:35,725 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-23 15:00:35,725 INFO L448 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-23 15:00:35,725 INFO L448 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-23 15:00:35,725 INFO L448 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-23 15:00:35,725 INFO L448 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-23 15:00:35,725 INFO L448 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-23 15:00:35,725 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-23 15:00:35,726 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-23 15:00:35,726 INFO L448 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-23 15:00:35,726 INFO L448 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-23 15:00:35,726 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-23 15:00:35,726 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-23 15:00:35,726 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-23 15:00:35,726 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:00:35,726 INFO L448 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:00:35,726 INFO L448 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:00:35,726 INFO L448 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:00:35,726 INFO L448 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:00:35,726 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-23 15:00:35,726 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-23 15:00:35,726 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-23 15:00:35,727 INFO L448 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-23 15:00:35,727 INFO L448 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-23 15:00:35,727 INFO L448 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-23 15:00:35,727 INFO L448 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-23 15:00:35,727 INFO L448 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-23 15:00:35,727 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-23 15:00:35,727 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:00:35,727 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:00:35,727 INFO L448 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:00:35,727 INFO L448 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:00:35,727 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:00:35,727 INFO L448 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:00:35,727 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-23 15:00:35,728 INFO L448 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:00:35,728 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-23 15:00:35,728 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-23 15:00:35,728 INFO L448 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-23 15:00:35,728 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-23 15:00:35,728 INFO L448 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-23 15:00:35,728 INFO L448 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-23 15:00:35,728 INFO L448 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-23 15:00:35,728 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-23 15:00:35,728 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-23 15:00:35,728 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-23 15:00:35,728 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-23 15:00:35,728 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-23 15:00:35,728 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-23 15:00:35,729 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:00:35,729 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:00:35,729 INFO L448 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:00:35,729 INFO L448 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:00:35,729 INFO L448 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:00:35,729 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-23 15:00:35,729 INFO L448 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-23 15:00:35,729 INFO L448 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-23 15:00:35,729 INFO L448 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-23 15:00:35,729 INFO L448 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-23 15:00:35,729 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-23 15:00:35,729 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-23 15:00:35,729 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-23 15:00:35,730 INFO L448 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:00:35,730 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:00:35,730 INFO L448 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:00:35,730 INFO L448 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:00:35,730 INFO L448 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:00:35,730 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-23 15:00:35,730 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-23 15:00:35,730 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-23 15:00:35,730 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-23 15:00:35,730 INFO L448 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-23 15:00:35,730 INFO L448 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-23 15:00:35,730 INFO L448 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-23 15:00:35,730 INFO L448 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-23 15:00:35,730 INFO L448 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-23 15:00:35,730 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-23 15:00:35,730 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse0 (= |old(~a8~0)| ~a8~0)) (.cse1 (= |old(~a17~0)| ~a17~0)) (.cse2 (= |old(~a16~0)| ~a16~0))) (let ((.cse3 (and .cse0 .cse1 .cse2)) (.cse4 (= 4 |old(~a16~0)|))) (and (or (and .cse0 (not (= 1 ~a20~0)) .cse1 .cse2) (= 1 |old(~a20~0)|)) (or (< 13 |old(~a8~0)|) .cse3) (or .cse3 (< 0 |old(~a17~0)|)) (or .cse4 (= 1 |old(~a17~0)|) .cse3) (or (and .cse0 .cse2) (= 15 |old(~a8~0)|)) (or .cse3 (= 6 |old(~a16~0)|) .cse4)))) [2018-11-23 15:00:35,730 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-23 15:00:35,731 INFO L448 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:00:35,731 INFO L448 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:00:35,731 INFO L448 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:00:35,731 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:00:35,731 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-23 15:00:35,731 INFO L448 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:00:35,731 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:00:35,731 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-23 15:00:35,731 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-23 15:00:35,731 INFO L448 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-23 15:00:35,731 INFO L448 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-23 15:00:35,731 INFO L448 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-23 15:00:35,731 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-23 15:00:35,731 INFO L448 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-23 15:00:35,731 INFO L448 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-23 15:00:35,731 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-23 15:00:35,731 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-23 15:00:35,731 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-23 15:00:35,731 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-23 15:00:35,731 INFO L448 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:00:35,731 INFO L448 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:00:35,731 INFO L448 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:00:35,731 INFO L448 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:00:35,732 INFO L448 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:00:35,732 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-23 15:00:35,732 INFO L448 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:00:35,732 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-23 15:00:35,732 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-23 15:00:35,732 INFO L448 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-23 15:00:35,732 INFO L448 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-23 15:00:35,732 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-23 15:00:35,732 INFO L448 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-23 15:00:35,732 INFO L448 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-23 15:00:35,732 INFO L448 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-23 15:00:35,732 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-23 15:00:35,732 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-23 15:00:35,732 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-23 15:00:35,732 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-23 15:00:35,732 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-23 15:00:35,732 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-23 15:00:35,732 INFO L448 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:00:35,732 INFO L448 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:00:35,732 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:00:35,732 INFO L448 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:00:35,732 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:00:35,732 INFO L448 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 15:00:35,732 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-23 15:00:35,732 INFO L448 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-23 15:00:35,733 INFO L448 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-23 15:00:35,733 INFO L448 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-23 15:00:35,733 INFO L448 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-23 15:00:35,733 INFO L448 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-23 15:00:35,733 INFO L448 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-23 15:00:35,733 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-23 15:00:35,733 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-23 15:00:35,733 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-23 15:00:35,733 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 15:00:35,733 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~a16~0 6)) (<= 1 ~a17~0) (not (= ~a8~0 13)) (not (= ~a16~0 4))) [2018-11-23 15:00:35,733 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 15:00:35,733 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 15:00:35,733 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (and (= |old(~a8~0)| ~a8~0) (= |old(~a17~0)| ~a17~0) (= |old(~a16~0)| ~a16~0)) (= 6 |old(~a16~0)|) (= 4 |old(~a16~0)|) (= 13 |old(~a8~0)|) (< |old(~a17~0)| 1)) [2018-11-23 15:00:35,733 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-23 15:00:35,733 INFO L444 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (not (= ~a8~0 15)))) (let ((.cse3 (not (= ~a16~0 4))) (.cse2 (or (= |old(~a8~0)| ~a8~0) .cse0)) (.cse1 (not (= ~a8~0 13)))) (or (and .cse0 .cse1) (and (not (= 1 ~a20~0)) .cse2 .cse1) (= 6 |old(~a16~0)|) (and .cse2 (not (= ~a17~0 1)) .cse1 .cse3) (and (= |old(~a17~0)| ~a17~0) (and .cse2 (not (= ~a16~0 6)) .cse1 .cse3)) (= 13 |old(~a8~0)|) (< |old(~a17~0)| 1) (and (= 13 ~a8~0) (= |old(~a8~0)| 15)) (and .cse2 (<= ~a17~0 0) (= |old(~a17~0)| 1) .cse1) (= 4 |old(~a16~0)|)))) [2018-11-23 15:00:35,733 INFO L448 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-23 15:00:35,733 INFO L448 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-23 15:00:35,733 INFO L444 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse0 (not (= ~a8~0 15)))) (let ((.cse3 (not (= ~a16~0 4))) (.cse2 (or (= |old(~a8~0)| ~a8~0) .cse0)) (.cse1 (not (= ~a8~0 13)))) (or (and .cse0 .cse1) (and (not (= 1 ~a20~0)) .cse2 .cse1) (= 6 |old(~a16~0)|) (and .cse2 (not (= ~a17~0 1)) .cse1 .cse3) (and (= |old(~a17~0)| ~a17~0) (and .cse2 (not (= ~a16~0 6)) .cse1 .cse3)) (= 13 |old(~a8~0)|) (< |old(~a17~0)| 1) (and (= 13 ~a8~0) (= |old(~a8~0)| 15)) (and .cse2 (<= ~a17~0 0) (= |old(~a17~0)| 1) .cse1) (= 4 |old(~a16~0)|)))) [2018-11-23 15:00:35,733 INFO L448 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2018-11-23 15:00:35,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:00:35 BoogieIcfgContainer [2018-11-23 15:00:35,745 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 15:00:35,746 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 15:00:35,746 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 15:00:35,746 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 15:00:35,746 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:00:29" (3/4) ... [2018-11-23 15:00:35,749 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 15:00:35,756 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 15:00:35,756 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 15:00:35,757 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 15:00:35,765 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 15:00:35,766 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 15:00:35,786 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(a8 == 15) && !(a8 == 13)) || ((!(1 == a20) && (\old(a8) == a8 || !(a8 == 15))) && !(a8 == 13))) || 6 == \old(a16)) || ((((\old(a8) == a8 || !(a8 == 15)) && !(a17 == 1)) && !(a8 == 13)) && !(a16 == 4))) || (\old(a17) == a17 && (((\old(a8) == a8 || !(a8 == 15)) && !(a16 == 6)) && !(a8 == 13)) && !(a16 == 4))) || 13 == \old(a8)) || \old(a17) < 1) || (13 == a8 && \old(a8) == 15)) || ((((\old(a8) == a8 || !(a8 == 15)) && a17 <= 0) && \old(a17) == 1) && !(a8 == 13))) || 4 == \old(a16) [2018-11-23 15:00:35,848 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ec2e23ff-c075-4006-807b-98a08c0c6191/bin-2019/uautomizer/witness.graphml [2018-11-23 15:00:35,848 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 15:00:35,849 INFO L168 Benchmark]: Toolchain (without parser) took 7335.25 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 345.0 MB). Free memory was 951.1 MB in the beginning and 908.7 MB in the end (delta: 42.4 MB). Peak memory consumption was 387.4 MB. Max. memory is 11.5 GB. [2018-11-23 15:00:35,849 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 15:00:35,849 INFO L168 Benchmark]: CACSL2BoogieTranslator took 386.35 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 913.5 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-23 15:00:35,850 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 913.5 MB in the beginning and 1.2 GB in the end (delta: -243.7 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2018-11-23 15:00:35,850 INFO L168 Benchmark]: Boogie Preprocessor took 50.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-23 15:00:35,850 INFO L168 Benchmark]: RCFGBuilder took 710.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 108.2 MB). Peak memory consumption was 108.2 MB. Max. memory is 11.5 GB. [2018-11-23 15:00:35,850 INFO L168 Benchmark]: TraceAbstraction took 5993.00 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 180.9 MB). Free memory was 1.0 GB in the beginning and 925.1 MB in the end (delta: 120.5 MB). Peak memory consumption was 301.4 MB. Max. memory is 11.5 GB. [2018-11-23 15:00:35,850 INFO L168 Benchmark]: Witness Printer took 102.26 ms. Allocated memory is still 1.4 GB. Free memory was 925.1 MB in the beginning and 908.7 MB in the end (delta: 16.4 MB). Peak memory consumption was 16.4 MB. Max. memory is 11.5 GB. [2018-11-23 15:00:35,853 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 386.35 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 913.5 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 89.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 913.5 MB in the beginning and 1.2 GB in the end (delta: -243.7 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 50.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 710.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 108.2 MB). Peak memory consumption was 108.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5993.00 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 180.9 MB). Free memory was 1.0 GB in the beginning and 925.1 MB in the end (delta: 120.5 MB). Peak memory consumption was 301.4 MB. Max. memory is 11.5 GB. * Witness Printer took 102.26 ms. Allocated memory is still 1.4 GB. Free memory was 925.1 MB in the beginning and 908.7 MB in the end (delta: 16.4 MB). Peak memory consumption was 16.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 461]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((((((((!(a8 == 15) && !(a8 == 13)) || ((!(1 == a20) && (\old(a8) == a8 || !(a8 == 15))) && !(a8 == 13))) || 6 == \old(a16)) || ((((\old(a8) == a8 || !(a8 == 15)) && !(a17 == 1)) && !(a8 == 13)) && !(a16 == 4))) || (\old(a17) == a17 && (((\old(a8) == a8 || !(a8 == 15)) && !(a16 == 6)) && !(a8 == 13)) && !(a16 == 4))) || 13 == \old(a8)) || \old(a17) < 1) || (13 == a8 && \old(a8) == 15)) || ((((\old(a8) == a8 || !(a8 == 15)) && a17 <= 0) && \old(a17) == 1) && !(a8 == 13))) || 4 == \old(a16) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. SAFE Result, 5.9s OverallTime, 5 OverallIterations, 2 TraceHistogramMax, 3.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 660 SDtfs, 2727 SDslu, 472 SDs, 0 SdLazy, 4911 SolverSat, 943 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 332 GetRequests, 296 SyntacticMatches, 5 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1836occurred 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: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 40 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 104 PreInvPairs, 252 NumberOfFragments, 369 HoareAnnotationTreeSize, 104 FomulaSimplifications, 4180 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2753 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 891 NumberOfCodeBlocks, 891 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 884 ConstructedInterpolants, 0 QuantifiedInterpolants, 391881 SizeOfPredicates, 4 NumberOfNonLiveVariables, 746 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 156/166 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...