./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label33_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_9a8018e2-d64b-46fa-8bbd-a61ec3cd22f2/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9a8018e2-d64b-46fa-8bbd-a61ec3cd22f2/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9a8018e2-d64b-46fa-8bbd-a61ec3cd22f2/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9a8018e2-d64b-46fa-8bbd-a61ec3cd22f2/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label33_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9a8018e2-d64b-46fa-8bbd-a61ec3cd22f2/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9a8018e2-d64b-46fa-8bbd-a61ec3cd22f2/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ccce88d3eff0bd7768fa846786a2b108ea71b0c0 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 07:52:20,789 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 07:52:20,789 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 07:52:20,796 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 07:52:20,796 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 07:52:20,796 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 07:52:20,797 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 07:52:20,798 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 07:52:20,800 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 07:52:20,800 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 07:52:20,801 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 07:52:20,801 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 07:52:20,802 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 07:52:20,802 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 07:52:20,803 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 07:52:20,804 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 07:52:20,804 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 07:52:20,805 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 07:52:20,807 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 07:52:20,808 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 07:52:20,809 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 07:52:20,809 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 07:52:20,811 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 07:52:20,811 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 07:52:20,811 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 07:52:20,811 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 07:52:20,812 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 07:52:20,812 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 07:52:20,812 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 07:52:20,813 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 07:52:20,813 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 07:52:20,813 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 07:52:20,813 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 07:52:20,814 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 07:52:20,814 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 07:52:20,814 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 07:52:20,814 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9a8018e2-d64b-46fa-8bbd-a61ec3cd22f2/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 07:52:20,821 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 07:52:20,821 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 07:52:20,822 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 07:52:20,822 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 07:52:20,822 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 07:52:20,822 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 07:52:20,822 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 07:52:20,822 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 07:52:20,822 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 07:52:20,822 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 07:52:20,823 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 07:52:20,823 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 07:52:20,823 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 07:52:20,823 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 07:52:20,824 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 07:52:20,824 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 07:52:20,824 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 07:52:20,824 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 07:52:20,824 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 07:52:20,824 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 07:52:20,824 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 07:52:20,825 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 07:52:20,825 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 07:52:20,825 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 07:52:20,825 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 07:52:20,825 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 07:52:20,825 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 07:52:20,825 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 07:52:20,826 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 07:52:20,826 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 07:52:20,826 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 07:52:20,826 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 07:52:20,826 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 07:52:20,826 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 07:52:20,827 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 07:52:20,827 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 07:52:20,827 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_9a8018e2-d64b-46fa-8bbd-a61ec3cd22f2/bin-2019/utaipan 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 -> Taipan 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 -> ccce88d3eff0bd7768fa846786a2b108ea71b0c0 [2018-12-09 07:52:20,850 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 07:52:20,857 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 07:52:20,859 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 07:52:20,860 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 07:52:20,860 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 07:52:20,861 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9a8018e2-d64b-46fa-8bbd-a61ec3cd22f2/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label33_true-unreach-call_false-termination.c [2018-12-09 07:52:20,894 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9a8018e2-d64b-46fa-8bbd-a61ec3cd22f2/bin-2019/utaipan/data/b369755ef/d01eea0ed20749b6910696c0bc1605fc/FLAGeab08df2c [2018-12-09 07:52:21,206 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 07:52:21,206 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9a8018e2-d64b-46fa-8bbd-a61ec3cd22f2/sv-benchmarks/c/eca-rers2012/Problem02_label33_true-unreach-call_false-termination.c [2018-12-09 07:52:21,212 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9a8018e2-d64b-46fa-8bbd-a61ec3cd22f2/bin-2019/utaipan/data/b369755ef/d01eea0ed20749b6910696c0bc1605fc/FLAGeab08df2c [2018-12-09 07:52:21,619 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9a8018e2-d64b-46fa-8bbd-a61ec3cd22f2/bin-2019/utaipan/data/b369755ef/d01eea0ed20749b6910696c0bc1605fc [2018-12-09 07:52:21,621 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 07:52:21,622 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 07:52:21,622 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 07:52:21,622 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 07:52:21,624 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 07:52:21,625 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:52:21" (1/1) ... [2018-12-09 07:52:21,626 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10bb2a89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:52:21, skipping insertion in model container [2018-12-09 07:52:21,627 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:52:21" (1/1) ... [2018-12-09 07:52:21,631 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 07:52:21,654 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 07:52:21,822 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 07:52:21,825 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 07:52:21,928 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 07:52:21,941 INFO L195 MainTranslator]: Completed translation [2018-12-09 07:52:21,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:52:21 WrapperNode [2018-12-09 07:52:21,942 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 07:52:21,942 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 07:52:21,943 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 07:52:21,943 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 07:52:21,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:52:21" (1/1) ... [2018-12-09 07:52:21,961 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:52:21" (1/1) ... [2018-12-09 07:52:21,967 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 07:52:21,968 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 07:52:21,968 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 07:52:21,968 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 07:52:21,975 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:52:21" (1/1) ... [2018-12-09 07:52:21,975 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:52:21" (1/1) ... [2018-12-09 07:52:21,977 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:52:21" (1/1) ... [2018-12-09 07:52:21,977 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:52:21" (1/1) ... [2018-12-09 07:52:21,992 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:52:21" (1/1) ... [2018-12-09 07:52:21,999 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:52:21" (1/1) ... [2018-12-09 07:52:22,001 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:52:21" (1/1) ... [2018-12-09 07:52:22,004 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 07:52:22,004 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 07:52:22,005 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 07:52:22,005 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 07:52:22,005 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:52:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9a8018e2-d64b-46fa-8bbd-a61ec3cd22f2/bin-2019/utaipan/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 [2018-12-09 07:52:22,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 07:52:22,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 07:52:22,044 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-09 07:52:22,044 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-09 07:52:22,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 07:52:22,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 07:52:22,044 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 07:52:22,044 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 07:52:22,569 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 07:52:22,570 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-09 07:52:22,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:52:22 BoogieIcfgContainer [2018-12-09 07:52:22,570 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 07:52:22,570 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 07:52:22,570 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 07:52:22,572 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 07:52:22,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 07:52:21" (1/3) ... [2018-12-09 07:52:22,573 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c011d2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:52:22, skipping insertion in model container [2018-12-09 07:52:22,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:52:21" (2/3) ... [2018-12-09 07:52:22,573 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c011d2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:52:22, skipping insertion in model container [2018-12-09 07:52:22,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:52:22" (3/3) ... [2018-12-09 07:52:22,574 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label33_true-unreach-call_false-termination.c [2018-12-09 07:52:22,580 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 07:52:22,585 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 07:52:22,595 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 07:52:22,615 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 07:52:22,615 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 07:52:22,615 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 07:52:22,615 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 07:52:22,615 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 07:52:22,615 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 07:52:22,616 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 07:52:22,616 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 07:52:22,629 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2018-12-09 07:52:22,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-09 07:52:22,636 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 07:52:22,637 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 07:52:22,638 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 07:52:22,642 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 07:52:22,642 INFO L82 PathProgramCache]: Analyzing trace with hash -421614983, now seen corresponding path program 1 times [2018-12-09 07:52:22,643 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 07:52:22,673 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 07:52:22,674 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 07:52:22,674 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 07:52:22,674 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 07:52:22,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:52:22,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 07:52:22,898 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 07:52:22,899 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 07:52:22,899 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 07:52:22,902 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 07:52:22,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 07:52:22,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 07:52:22,912 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2018-12-09 07:52:23,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 07:52:23,363 INFO L93 Difference]: Finished difference Result 618 states and 1057 transitions. [2018-12-09 07:52:23,364 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 07:52:23,365 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 147 [2018-12-09 07:52:23,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 07:52:23,375 INFO L225 Difference]: With dead ends: 618 [2018-12-09 07:52:23,375 INFO L226 Difference]: Without dead ends: 320 [2018-12-09 07:52:23,379 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 [2018-12-09 07:52:23,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2018-12-09 07:52:23,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 319. [2018-12-09 07:52:23,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2018-12-09 07:52:23,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 466 transitions. [2018-12-09 07:52:23,428 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 466 transitions. Word has length 147 [2018-12-09 07:52:23,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 07:52:23,429 INFO L480 AbstractCegarLoop]: Abstraction has 319 states and 466 transitions. [2018-12-09 07:52:23,429 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 07:52:23,429 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 466 transitions. [2018-12-09 07:52:23,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-09 07:52:23,432 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 07:52:23,432 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 07:52:23,433 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 07:52:23,433 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 07:52:23,433 INFO L82 PathProgramCache]: Analyzing trace with hash 1995823486, now seen corresponding path program 1 times [2018-12-09 07:52:23,433 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 07:52:23,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 07:52:23,434 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 07:52:23,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 07:52:23,434 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 07:52:23,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:52:23,591 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 07:52:23,591 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 07:52:23,592 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 07:52:23,592 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 07:52:23,593 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 07:52:23,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 07:52:23,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-09 07:52:23,593 INFO L87 Difference]: Start difference. First operand 319 states and 466 transitions. Second operand 5 states. [2018-12-09 07:52:23,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 07:52:23,937 INFO L93 Difference]: Finished difference Result 719 states and 1091 transitions. [2018-12-09 07:52:23,937 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 07:52:23,937 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 155 [2018-12-09 07:52:23,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 07:52:23,939 INFO L225 Difference]: With dead ends: 719 [2018-12-09 07:52:23,939 INFO L226 Difference]: Without dead ends: 319 [2018-12-09 07:52:23,940 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-09 07:52:23,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2018-12-09 07:52:23,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 319. [2018-12-09 07:52:23,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2018-12-09 07:52:23,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 463 transitions. [2018-12-09 07:52:23,949 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 463 transitions. Word has length 155 [2018-12-09 07:52:23,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 07:52:23,949 INFO L480 AbstractCegarLoop]: Abstraction has 319 states and 463 transitions. [2018-12-09 07:52:23,950 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 07:52:23,950 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 463 transitions. [2018-12-09 07:52:23,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-12-09 07:52:23,951 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 07:52:23,951 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 07:52:23,952 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 07:52:23,952 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 07:52:23,952 INFO L82 PathProgramCache]: Analyzing trace with hash 789332991, now seen corresponding path program 1 times [2018-12-09 07:52:23,952 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 07:52:23,952 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 07:52:23,953 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 07:52:23,953 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 07:52:23,953 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 07:52:23,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:52:24,022 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 07:52:24,022 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 07:52:24,023 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 07:52:24,023 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 07:52:24,023 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 07:52:24,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 07:52:24,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 07:52:24,024 INFO L87 Difference]: Start difference. First operand 319 states and 463 transitions. Second operand 6 states. [2018-12-09 07:52:24,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 07:52:24,437 INFO L93 Difference]: Finished difference Result 941 states and 1396 transitions. [2018-12-09 07:52:24,437 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 07:52:24,437 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 180 [2018-12-09 07:52:24,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 07:52:24,440 INFO L225 Difference]: With dead ends: 941 [2018-12-09 07:52:24,440 INFO L226 Difference]: Without dead ends: 628 [2018-12-09 07:52:24,441 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 [2018-12-09 07:52:24,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 628 states. [2018-12-09 07:52:24,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 628 to 620. [2018-12-09 07:52:24,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 620 states. [2018-12-09 07:52:24,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 620 states and 883 transitions. [2018-12-09 07:52:24,457 INFO L78 Accepts]: Start accepts. Automaton has 620 states and 883 transitions. Word has length 180 [2018-12-09 07:52:24,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 07:52:24,457 INFO L480 AbstractCegarLoop]: Abstraction has 620 states and 883 transitions. [2018-12-09 07:52:24,457 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 07:52:24,457 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 883 transitions. [2018-12-09 07:52:24,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-12-09 07:52:24,459 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 07:52:24,459 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 07:52:24,459 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 07:52:24,460 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 07:52:24,460 INFO L82 PathProgramCache]: Analyzing trace with hash -24780807, now seen corresponding path program 1 times [2018-12-09 07:52:24,460 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 07:52:24,460 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 07:52:24,460 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 07:52:24,460 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 07:52:24,461 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 07:52:24,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:52:24,613 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 07:52:24,613 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 07:52:24,613 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 07:52:24,613 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 182 with the following transitions: [2018-12-09 07:52:24,615 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [123], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [811], [819], [827], [835], [843], [851], [855], [857], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 07:52:24,640 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 07:52:24,640 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 07:52:25,099 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 07:52:25,100 INFO L272 AbstractInterpreter]: Visited 150 different actions 294 times. Merged at 4 different actions 4 times. Never widened. Performed 3240 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3240 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-12-09 07:52:25,105 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 07:52:25,105 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 07:52:25,330 INFO L227 lantSequenceWeakener]: Weakened 178 states. On average, predicates are now at 83.05% of their original sizes. [2018-12-09 07:52:25,330 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 07:52:25,379 INFO L418 sIntCurrentIteration]: We unified 180 AI predicates to 180 [2018-12-09 07:52:25,379 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 07:52:25,380 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 07:52:25,380 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [7] total 15 [2018-12-09 07:52:25,380 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 07:52:25,380 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 07:52:25,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 07:52:25,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 07:52:25,381 INFO L87 Difference]: Start difference. First operand 620 states and 883 transitions. Second operand 10 states. [2018-12-09 07:52:28,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 07:52:28,679 INFO L93 Difference]: Finished difference Result 1826 states and 2602 transitions. [2018-12-09 07:52:28,679 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-12-09 07:52:28,679 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 181 [2018-12-09 07:52:28,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 07:52:28,683 INFO L225 Difference]: With dead ends: 1826 [2018-12-09 07:52:28,683 INFO L226 Difference]: Without dead ends: 1212 [2018-12-09 07:52:28,684 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 190 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-12-09 07:52:28,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1212 states. [2018-12-09 07:52:28,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1212 to 1206. [2018-12-09 07:52:28,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1206 states. [2018-12-09 07:52:28,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1206 states to 1206 states and 1565 transitions. [2018-12-09 07:52:28,712 INFO L78 Accepts]: Start accepts. Automaton has 1206 states and 1565 transitions. Word has length 181 [2018-12-09 07:52:28,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 07:52:28,712 INFO L480 AbstractCegarLoop]: Abstraction has 1206 states and 1565 transitions. [2018-12-09 07:52:28,712 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 07:52:28,712 INFO L276 IsEmpty]: Start isEmpty. Operand 1206 states and 1565 transitions. [2018-12-09 07:52:28,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-12-09 07:52:28,716 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 07:52:28,716 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 07:52:28,717 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 07:52:28,717 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 07:52:28,717 INFO L82 PathProgramCache]: Analyzing trace with hash 311324360, now seen corresponding path program 1 times [2018-12-09 07:52:28,717 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 07:52:28,718 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 07:52:28,718 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 07:52:28,718 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 07:52:28,718 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 07:52:28,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:52:28,797 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 66 proven. 22 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 07:52:28,797 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 07:52:28,797 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 07:52:28,798 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 212 with the following transitions: [2018-12-09 07:52:28,798 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [119], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [811], [819], [827], [835], [843], [851], [855], [857], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 07:52:28,801 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 07:52:28,801 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 07:52:28,912 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 07:52:28,912 INFO L272 AbstractInterpreter]: Visited 152 different actions 298 times. Merged at 4 different actions 4 times. Never widened. Performed 3199 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3199 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-12-09 07:52:28,914 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 07:52:28,914 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 07:52:29,070 INFO L227 lantSequenceWeakener]: Weakened 208 states. On average, predicates are now at 81.26% of their original sizes. [2018-12-09 07:52:29,070 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 07:52:29,121 INFO L418 sIntCurrentIteration]: We unified 210 AI predicates to 210 [2018-12-09 07:52:29,122 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 07:52:29,122 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 07:52:29,122 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-09 07:52:29,122 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 07:52:29,122 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 07:52:29,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 07:52:29,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 07:52:29,123 INFO L87 Difference]: Start difference. First operand 1206 states and 1565 transitions. Second operand 10 states. [2018-12-09 07:52:31,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 07:52:31,102 INFO L93 Difference]: Finished difference Result 2846 states and 3690 transitions. [2018-12-09 07:52:31,102 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-09 07:52:31,102 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 211 [2018-12-09 07:52:31,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 07:52:31,106 INFO L225 Difference]: With dead ends: 2846 [2018-12-09 07:52:31,106 INFO L226 Difference]: Without dead ends: 1646 [2018-12-09 07:52:31,108 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 220 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-12-09 07:52:31,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1646 states. [2018-12-09 07:52:31,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1646 to 1642. [2018-12-09 07:52:31,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1642 states. [2018-12-09 07:52:31,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1642 states to 1642 states and 2075 transitions. [2018-12-09 07:52:31,138 INFO L78 Accepts]: Start accepts. Automaton has 1642 states and 2075 transitions. Word has length 211 [2018-12-09 07:52:31,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 07:52:31,138 INFO L480 AbstractCegarLoop]: Abstraction has 1642 states and 2075 transitions. [2018-12-09 07:52:31,138 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 07:52:31,138 INFO L276 IsEmpty]: Start isEmpty. Operand 1642 states and 2075 transitions. [2018-12-09 07:52:31,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-12-09 07:52:31,143 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 07:52:31,144 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 07:52:31,144 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 07:52:31,144 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 07:52:31,144 INFO L82 PathProgramCache]: Analyzing trace with hash -432353472, now seen corresponding path program 1 times [2018-12-09 07:52:31,145 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 07:52:31,145 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 07:52:31,145 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 07:52:31,146 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 07:52:31,146 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 07:52:31,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:52:31,305 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 81 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 07:52:31,305 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 07:52:31,305 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 07:52:31,305 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 216 with the following transitions: [2018-12-09 07:52:31,306 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [119], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [811], [819], [827], [835], [843], [851], [855], [857], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 07:52:31,308 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 07:52:31,308 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 07:52:31,504 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 07:52:31,505 INFO L272 AbstractInterpreter]: Visited 153 different actions 454 times. Merged at 7 different actions 17 times. Never widened. Performed 5283 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5283 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 3 different actions. Largest state had 38 variables. [2018-12-09 07:52:31,506 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 07:52:31,507 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 07:52:31,507 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 07:52:31,507 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9a8018e2-d64b-46fa-8bbd-a61ec3cd22f2/bin-2019/utaipan/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 [2018-12-09 07:52:31,513 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 07:52:31,513 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 07:52:31,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:52:31,577 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 07:52:31,634 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 95 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 07:52:31,635 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 07:52:31,713 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 95 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 07:52:31,729 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 07:52:31,729 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5, 5] total 16 [2018-12-09 07:52:31,729 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 07:52:31,729 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-12-09 07:52:31,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-12-09 07:52:31,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2018-12-09 07:52:31,730 INFO L87 Difference]: Start difference. First operand 1642 states and 2075 transitions. Second operand 14 states. [2018-12-09 07:52:33,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 07:52:33,135 INFO L93 Difference]: Finished difference Result 4465 states and 5901 transitions. [2018-12-09 07:52:33,136 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-09 07:52:33,136 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 215 [2018-12-09 07:52:33,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 07:52:33,144 INFO L225 Difference]: With dead ends: 4465 [2018-12-09 07:52:33,144 INFO L226 Difference]: Without dead ends: 2233 [2018-12-09 07:52:33,148 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 476 GetRequests, 442 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2018-12-09 07:52:33,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2233 states. [2018-12-09 07:52:33,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2233 to 2081. [2018-12-09 07:52:33,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2081 states. [2018-12-09 07:52:33,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2081 states to 2081 states and 2450 transitions. [2018-12-09 07:52:33,188 INFO L78 Accepts]: Start accepts. Automaton has 2081 states and 2450 transitions. Word has length 215 [2018-12-09 07:52:33,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 07:52:33,188 INFO L480 AbstractCegarLoop]: Abstraction has 2081 states and 2450 transitions. [2018-12-09 07:52:33,188 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-12-09 07:52:33,188 INFO L276 IsEmpty]: Start isEmpty. Operand 2081 states and 2450 transitions. [2018-12-09 07:52:33,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-12-09 07:52:33,193 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 07:52:33,193 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-09 07:52:33,193 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 07:52:33,193 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 07:52:33,193 INFO L82 PathProgramCache]: Analyzing trace with hash -1761931304, now seen corresponding path program 1 times [2018-12-09 07:52:33,194 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 07:52:33,194 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 07:52:33,194 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 07:52:33,194 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 07:52:33,194 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 07:52:33,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:52:33,306 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 90 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 07:52:33,306 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 07:52:33,306 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 07:52:33,306 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 233 with the following transitions: [2018-12-09 07:52:33,306 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [324], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [811], [819], [827], [835], [843], [851], [855], [857], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 07:52:33,308 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 07:52:33,308 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 07:52:33,484 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 07:52:33,484 INFO L272 AbstractInterpreter]: Visited 152 different actions 447 times. Merged at 6 different actions 13 times. Never widened. Performed 5240 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5240 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-12-09 07:52:33,485 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 07:52:33,485 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 07:52:33,486 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 07:52:33,486 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9a8018e2-d64b-46fa-8bbd-a61ec3cd22f2/bin-2019/utaipan/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 [2018-12-09 07:52:33,491 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 07:52:33,491 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 07:52:33,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:52:33,529 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 07:52:33,554 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 07:52:33,554 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 07:52:33,583 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 07:52:33,597 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-09 07:52:33,598 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 7 [2018-12-09 07:52:33,598 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 07:52:33,598 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 07:52:33,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 07:52:33,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-09 07:52:33,598 INFO L87 Difference]: Start difference. First operand 2081 states and 2450 transitions. Second operand 3 states. [2018-12-09 07:52:33,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 07:52:33,802 INFO L93 Difference]: Finished difference Result 3270 states and 3935 transitions. [2018-12-09 07:52:33,802 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 07:52:33,802 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 232 [2018-12-09 07:52:33,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 07:52:33,803 INFO L225 Difference]: With dead ends: 3270 [2018-12-09 07:52:33,803 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 07:52:33,805 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 469 GetRequests, 464 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-09 07:52:33,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 07:52:33,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 07:52:33,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 07:52:33,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 07:52:33,806 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 232 [2018-12-09 07:52:33,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 07:52:33,806 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 07:52:33,806 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 07:52:33,806 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 07:52:33,806 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 07:52:33,809 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 07:52:33,834 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:52:34,194 WARN L180 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 63 [2018-12-09 07:52:34,324 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 07:52:34,325 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a11~0)| ~a11~0) (= |old(~a17~0)| ~a17~0) (= ~a28~0 |old(~a28~0)|)) [2018-12-09 07:52:34,325 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 07:52:34,325 INFO L448 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 07:52:34,325 INFO L448 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 07:52:34,325 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 07:52:34,325 INFO L448 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 07:52:34,325 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 07:52:34,325 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-12-09 07:52:34,325 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-12-09 07:52:34,325 INFO L448 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-12-09 07:52:34,325 INFO L448 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-12-09 07:52:34,326 INFO L448 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-12-09 07:52:34,326 INFO L448 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-12-09 07:52:34,326 INFO L448 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-12-09 07:52:34,326 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-12-09 07:52:34,326 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-12-09 07:52:34,326 INFO L448 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-12-09 07:52:34,326 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-12-09 07:52:34,326 INFO L448 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-12-09 07:52:34,326 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-12-09 07:52:34,326 INFO L448 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 07:52:34,326 INFO L448 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 07:52:34,326 INFO L448 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 07:52:34,326 INFO L448 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 07:52:34,326 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-12-09 07:52:34,326 INFO L448 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 07:52:34,326 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-12-09 07:52:34,326 INFO L448 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-12-09 07:52:34,327 INFO L448 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-12-09 07:52:34,327 INFO L448 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-12-09 07:52:34,327 INFO L448 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-12-09 07:52:34,327 INFO L448 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-12-09 07:52:34,327 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-12-09 07:52:34,327 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-12-09 07:52:34,327 INFO L448 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-12-09 07:52:34,327 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-12-09 07:52:34,327 INFO L448 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-12-09 07:52:34,327 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-12-09 07:52:34,327 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-12-09 07:52:34,327 INFO L448 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-12-09 07:52:34,327 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-12-09 07:52:34,327 INFO L448 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 07:52:34,327 INFO L448 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 07:52:34,327 INFO L448 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 07:52:34,327 INFO L448 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 07:52:34,328 INFO L448 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 07:52:34,328 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-12-09 07:52:34,328 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-12-09 07:52:34,328 INFO L448 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-12-09 07:52:34,328 INFO L448 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-12-09 07:52:34,328 INFO L448 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-12-09 07:52:34,328 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-12-09 07:52:34,328 INFO L448 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-12-09 07:52:34,328 INFO L448 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-12-09 07:52:34,328 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-12-09 07:52:34,328 INFO L448 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-12-09 07:52:34,328 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-12-09 07:52:34,328 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 07:52:34,328 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 07:52:34,328 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 07:52:34,328 INFO L448 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 07:52:34,328 INFO L448 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 07:52:34,329 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-12-09 07:52:34,329 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-12-09 07:52:34,329 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-12-09 07:52:34,329 INFO L448 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-12-09 07:52:34,329 INFO L448 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-12-09 07:52:34,329 INFO L448 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-12-09 07:52:34,329 INFO L448 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-12-09 07:52:34,329 INFO L448 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-12-09 07:52:34,329 INFO L448 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-12-09 07:52:34,329 INFO L448 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-12-09 07:52:34,329 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-12-09 07:52:34,329 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-12-09 07:52:34,329 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-12-09 07:52:34,329 INFO L448 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 07:52:34,329 INFO L448 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 07:52:34,329 INFO L448 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 07:52:34,329 INFO L448 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 07:52:34,329 INFO L448 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 07:52:34,330 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-12-09 07:52:34,330 INFO L448 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-12-09 07:52:34,330 INFO L448 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-12-09 07:52:34,330 INFO L448 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-12-09 07:52:34,330 INFO L448 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-12-09 07:52:34,330 INFO L448 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-12-09 07:52:34,330 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-12-09 07:52:34,330 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-12-09 07:52:34,330 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-12-09 07:52:34,330 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-12-09 07:52:34,330 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-12-09 07:52:34,330 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-12-09 07:52:34,330 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-12-09 07:52:34,330 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-12-09 07:52:34,330 INFO L448 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-12-09 07:52:34,330 INFO L448 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-12-09 07:52:34,330 INFO L448 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 07:52:34,330 INFO L448 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 07:52:34,331 INFO L448 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 07:52:34,331 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 07:52:34,331 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-12-09 07:52:34,331 INFO L448 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 07:52:34,331 INFO L448 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-12-09 07:52:34,331 INFO L448 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-12-09 07:52:34,331 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-12-09 07:52:34,331 INFO L448 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-12-09 07:52:34,331 INFO L448 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-12-09 07:52:34,331 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-12-09 07:52:34,331 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-12-09 07:52:34,331 INFO L448 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-12-09 07:52:34,331 INFO L448 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-12-09 07:52:34,331 INFO L448 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-12-09 07:52:34,331 INFO L448 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-12-09 07:52:34,331 INFO L448 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-12-09 07:52:34,331 INFO L448 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-12-09 07:52:34,331 INFO L448 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-12-09 07:52:34,332 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-12-09 07:52:34,332 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-12-09 07:52:34,332 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-12-09 07:52:34,332 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-12-09 07:52:34,332 INFO L448 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 07:52:34,332 INFO L448 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 07:52:34,332 INFO L448 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 07:52:34,332 INFO L448 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 07:52:34,332 INFO L448 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 07:52:34,332 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 07:52:34,332 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-12-09 07:52:34,332 INFO L448 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-12-09 07:52:34,332 INFO L448 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-12-09 07:52:34,332 INFO L448 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-12-09 07:52:34,332 INFO L448 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-12-09 07:52:34,332 INFO L448 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-12-09 07:52:34,332 INFO L448 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-12-09 07:52:34,332 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-12-09 07:52:34,332 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-12-09 07:52:34,333 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-12-09 07:52:34,333 INFO L448 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-12-09 07:52:34,333 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 07:52:34,333 INFO L448 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 07:52:34,333 INFO L448 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 07:52:34,333 INFO L448 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 07:52:34,333 INFO L448 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 07:52:34,333 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 07:52:34,333 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-12-09 07:52:34,333 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-12-09 07:52:34,333 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-12-09 07:52:34,333 INFO L448 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-12-09 07:52:34,333 INFO L448 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-12-09 07:52:34,333 INFO L448 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-12-09 07:52:34,333 INFO L448 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-12-09 07:52:34,333 INFO L448 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-12-09 07:52:34,333 INFO L448 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-12-09 07:52:34,333 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-12-09 07:52:34,333 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-12-09 07:52:34,334 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 595) no Hoare annotation was computed. [2018-12-09 07:52:34,334 INFO L448 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-12-09 07:52:34,334 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-12-09 07:52:34,334 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-12-09 07:52:34,334 INFO L448 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 07:52:34,334 INFO L448 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 07:52:34,334 INFO L448 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 07:52:34,334 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse13 (= |old(~a17~0)| ~a17~0)) (.cse14 (= ~a28~0 |old(~a28~0)|)) (.cse16 (= 1 |old(~a11~0)|)) (.cse3 (= 9 |old(~a28~0)|))) (let ((.cse6 (= 0 |old(~a28~0)|)) (.cse7 (not (= 0 |old(~a11~0)|))) (.cse9 (= |calculate_output_#in~input| 0)) (.cse2 (= 8 |old(~a28~0)|)) (.cse4 (< 7 |old(~a17~0)|)) (.cse11 (not (= 1 |old(~a25~0)|))) (.cse5 (not (= 1 |old(~a19~0)|))) (.cse8 (not (= 8 |old(~a17~0)|))) (.cse12 (not .cse3)) (.cse15 (not .cse16)) (.cse0 (not (= 1 ~a21~0))) (.cse10 (not (= |old(~a17~0)| 8))) (.cse1 (and (= |old(~a11~0)| ~a11~0) .cse13 .cse14))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 (= ~a25~0 0) .cse5 .cse6 .cse2 .cse7 .cse8 .cse9 (not (= 0 |old(~a25~0)|))) (or .cse1 (or .cse0 .cse2 .cse10)) (or .cse0 .cse5 .cse6 .cse7 .cse8 .cse9 (= ~a19~0 1)) (or (or .cse0 .cse11 .cse5 .cse7 .cse8 .cse12) (= ~a25~0 1) .cse9) (or .cse0 (and .cse13 .cse14 (= ~a11~0 1)) .cse2 .cse15 .cse4) (or .cse0 .cse11 .cse5 .cse8 (and (= 1 ~a25~0) (= 1 ~a19~0)) .cse12 .cse15) (or .cse0 .cse16 .cse10 .cse1)))) [2018-12-09 07:52:34,334 INFO L448 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 07:52:34,334 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 07:52:34,335 INFO L448 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 07:52:34,335 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-12-09 07:52:34,335 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-12-09 07:52:34,335 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-12-09 07:52:34,335 INFO L448 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-12-09 07:52:34,335 INFO L448 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-12-09 07:52:34,335 INFO L448 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-12-09 07:52:34,335 INFO L448 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-12-09 07:52:34,335 INFO L448 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-12-09 07:52:34,335 INFO L448 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-12-09 07:52:34,335 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-12-09 07:52:34,335 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-12-09 07:52:34,335 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-12-09 07:52:34,335 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-12-09 07:52:34,335 INFO L448 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 07:52:34,335 INFO L448 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 07:52:34,335 INFO L448 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 07:52:34,335 INFO L448 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 07:52:34,336 INFO L448 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 07:52:34,336 INFO L448 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 07:52:34,336 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-12-09 07:52:34,336 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-12-09 07:52:34,336 INFO L448 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-12-09 07:52:34,336 INFO L448 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-12-09 07:52:34,336 INFO L448 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-12-09 07:52:34,336 INFO L448 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-12-09 07:52:34,336 INFO L448 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-12-09 07:52:34,336 INFO L448 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-12-09 07:52:34,336 INFO L448 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-12-09 07:52:34,336 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-12-09 07:52:34,336 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-12-09 07:52:34,336 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-12-09 07:52:34,336 INFO L448 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-12-09 07:52:34,336 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-12-09 07:52:34,336 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-12-09 07:52:34,336 INFO L448 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-12-09 07:52:34,337 INFO L448 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 07:52:34,337 INFO L448 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 07:52:34,337 INFO L448 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 07:52:34,337 INFO L448 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 07:52:34,337 INFO L448 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 07:52:34,337 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-12-09 07:52:34,337 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-12-09 07:52:34,337 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-12-09 07:52:34,337 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-12-09 07:52:34,337 INFO L448 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-12-09 07:52:34,337 INFO L448 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-12-09 07:52:34,337 INFO L448 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-12-09 07:52:34,337 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-12-09 07:52:34,337 INFO L448 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-12-09 07:52:34,337 INFO L448 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-12-09 07:52:34,337 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-12-09 07:52:34,337 INFO L448 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-12-09 07:52:34,337 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-12-09 07:52:34,337 INFO L448 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-12-09 07:52:34,338 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-12-09 07:52:34,338 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-12-09 07:52:34,338 INFO L448 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-12-09 07:52:34,338 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-12-09 07:52:34,338 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-12-09 07:52:34,338 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 07:52:34,338 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a21~0 1)) [2018-12-09 07:52:34,338 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 07:52:34,338 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 07:52:34,338 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 1 |old(~a19~0)|)) (not (= 0 |old(~a11~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)) (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 |old(~a28~0)|))) [2018-12-09 07:52:34,338 INFO L444 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse1 (= ~a11~0 1)) (.cse0 (= |old(~a17~0)| ~a17~0)) (.cse2 (<= ~a17~0 7)) (.cse3 (not (= ~a28~0 8)))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a11~0)|)) (and .cse0 (not .cse1)) (and .cse2 .cse3 .cse1) (not (= 1 |old(~a19~0)|)) (and .cse0 .cse3) (not (= 8 |old(~a17~0)|)) (and .cse2 .cse3 (not (= ~a28~0 9))) (not (= 0 |old(~a25~0)|)))) [2018-12-09 07:52:34,338 INFO L448 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2018-12-09 07:52:34,338 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-12-09 07:52:34,339 INFO L444 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse1 (= ~a11~0 1)) (.cse0 (= |old(~a17~0)| ~a17~0)) (.cse2 (<= ~a17~0 7)) (.cse3 (not (= ~a28~0 8)))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a11~0)|)) (and .cse0 (not .cse1)) (and .cse2 .cse3 .cse1) (not (= 1 |old(~a19~0)|)) (and .cse0 .cse3) (not (= 8 |old(~a17~0)|)) (and .cse2 .cse3 (not (= ~a28~0 9))) (not (= 0 |old(~a25~0)|)))) [2018-12-09 07:52:34,339 INFO L448 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-12-09 07:52:34,339 INFO L448 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-12-09 07:52:34,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 07:52:34 BoogieIcfgContainer [2018-12-09 07:52:34,346 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 07:52:34,346 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 07:52:34,346 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 07:52:34,346 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 07:52:34,346 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:52:22" (3/4) ... [2018-12-09 07:52:34,349 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 07:52:34,352 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 07:52:34,352 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-09 07:52:34,352 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 07:52:34,359 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-09 07:52:34,359 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 07:52:34,376 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(1 == a21) || !(7 == \old(a28))) || !(0 == \old(a11))) || (\old(a17) == a17 && !(a11 == 1))) || ((a17 <= 7 && !(a28 == 8)) && a11 == 1)) || !(1 == \old(a19))) || (\old(a17) == a17 && !(a28 == 8))) || !(8 == \old(a17))) || ((a17 <= 7 && !(a28 == 8)) && !(a28 == 9))) || !(0 == \old(a25)) [2018-12-09 07:52:34,435 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_9a8018e2-d64b-46fa-8bbd-a61ec3cd22f2/bin-2019/utaipan/witness.graphml [2018-12-09 07:52:34,435 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 07:52:34,436 INFO L168 Benchmark]: Toolchain (without parser) took 12814.65 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 806.4 MB). Free memory was 940.6 MB in the beginning and 786.5 MB in the end (delta: 154.1 MB). Peak memory consumption was 960.4 MB. Max. memory is 11.5 GB. [2018-12-09 07:52:34,436 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 07:52:34,436 INFO L168 Benchmark]: CACSL2BoogieTranslator took 320.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -184.8 MB). Peak memory consumption was 37.5 MB. Max. memory is 11.5 GB. [2018-12-09 07:52:34,437 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.92 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. [2018-12-09 07:52:34,437 INFO L168 Benchmark]: Boogie Preprocessor took 36.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-09 07:52:34,437 INFO L168 Benchmark]: RCFGBuilder took 565.49 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: 99.3 MB). Peak memory consumption was 99.3 MB. Max. memory is 11.5 GB. [2018-12-09 07:52:34,437 INFO L168 Benchmark]: TraceAbstraction took 11775.44 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 663.2 MB). Free memory was 1.0 GB in the beginning and 802.9 MB in the end (delta: 216.4 MB). Peak memory consumption was 879.6 MB. Max. memory is 11.5 GB. [2018-12-09 07:52:34,437 INFO L168 Benchmark]: Witness Printer took 89.22 ms. Allocated memory is still 1.8 GB. Free memory was 802.9 MB in the beginning and 786.5 MB in the end (delta: 16.4 MB). Peak memory consumption was 16.4 MB. Max. memory is 11.5 GB. [2018-12-09 07:52:34,438 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 320.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -184.8 MB). Peak memory consumption was 37.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.92 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. * Boogie Preprocessor took 36.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 565.49 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: 99.3 MB). Peak memory consumption was 99.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 11775.44 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 663.2 MB). Free memory was 1.0 GB in the beginning and 802.9 MB in the end (delta: 216.4 MB). Peak memory consumption was 879.6 MB. Max. memory is 11.5 GB. * Witness Printer took 89.22 ms. Allocated memory is still 1.8 GB. Free memory was 802.9 MB in the beginning and 786.5 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: 595]: 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: 606]: Loop Invariant Derived loop invariant: ((((((((!(1 == a21) || !(7 == \old(a28))) || !(0 == \old(a11))) || (\old(a17) == a17 && !(a11 == 1))) || ((a17 <= 7 && !(a28 == 8)) && a11 == 1)) || !(1 == \old(a19))) || (\old(a17) == a17 && !(a28 == 8))) || !(8 == \old(a17))) || ((a17 <= 7 && !(a28 == 8)) && !(a28 == 9))) || !(0 == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. SAFE Result, 11.7s OverallTime, 7 OverallIterations, 4 TraceHistogramMax, 8.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 645 SDtfs, 4982 SDslu, 588 SDs, 0 SdLazy, 6494 SolverSat, 1312 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.0s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 1377 GetRequests, 1288 SyntacticMatches, 5 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 292 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2081occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.9s AbstIntTime, 4 AbstIntIterations, 2 AbstIntStrong, 0.9976965435788968 AbsIntWeakeningRatio, 0.16923076923076924 AbsIntAvgWeakeningVarsNumRemoved, 27.42820512820513 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 171 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 61 PreInvPairs, 101 NumberOfFragments, 419 HoareAnnotationTreeSize, 61 FomulaSimplifications, 1790 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1704 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1768 NumberOfCodeBlocks, 1768 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 2204 ConstructedInterpolants, 0 QuantifiedInterpolants, 1479042 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1009 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 11 InterpolantComputations, 5 PerfectInterpolantSequences, 673/758 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...