./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label02_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_03054880-b81e-4991-bd8d-cea08237638a/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_03054880-b81e-4991-bd8d-cea08237638a/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_03054880-b81e-4991-bd8d-cea08237638a/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_03054880-b81e-4991-bd8d-cea08237638a/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label02_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_03054880-b81e-4991-bd8d-cea08237638a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_03054880-b81e-4991-bd8d-cea08237638a/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 79f8d22fb07c95427dd318f6d0f74f02d2c9197f ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 22:16:34,581 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 22:16:34,582 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 22:16:34,589 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 22:16:34,589 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 22:16:34,589 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 22:16:34,590 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 22:16:34,591 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 22:16:34,591 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 22:16:34,592 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 22:16:34,592 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 22:16:34,592 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 22:16:34,593 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 22:16:34,593 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 22:16:34,594 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 22:16:34,594 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 22:16:34,594 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 22:16:34,595 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 22:16:34,596 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 22:16:34,597 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 22:16:34,597 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 22:16:34,598 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 22:16:34,599 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 22:16:34,599 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 22:16:34,599 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 22:16:34,600 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 22:16:34,600 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 22:16:34,600 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 22:16:34,601 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 22:16:34,601 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 22:16:34,602 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 22:16:34,602 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 22:16:34,602 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 22:16:34,602 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 22:16:34,603 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 22:16:34,603 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 22:16:34,603 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_03054880-b81e-4991-bd8d-cea08237638a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 22:16:34,610 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 22:16:34,610 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 22:16:34,611 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 22:16:34,611 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 22:16:34,611 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 22:16:34,611 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 22:16:34,611 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 22:16:34,611 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 22:16:34,611 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 22:16:34,611 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 22:16:34,611 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 22:16:34,612 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 22:16:34,612 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 22:16:34,612 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 22:16:34,612 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 22:16:34,612 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 22:16:34,612 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 22:16:34,612 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 22:16:34,612 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 22:16:34,612 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 22:16:34,613 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 22:16:34,613 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 22:16:34,613 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 22:16:34,613 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 22:16:34,613 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 22:16:34,613 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 22:16:34,613 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 22:16:34,613 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 22:16:34,613 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 22:16:34,613 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 22:16:34,614 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 22:16:34,614 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 22:16:34,614 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 22:16:34,614 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 22:16:34,614 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 22:16:34,614 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 22:16:34,614 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_03054880-b81e-4991-bd8d-cea08237638a/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 -> 79f8d22fb07c95427dd318f6d0f74f02d2c9197f [2018-12-02 22:16:34,632 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 22:16:34,641 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 22:16:34,644 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 22:16:34,645 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 22:16:34,645 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 22:16:34,646 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_03054880-b81e-4991-bd8d-cea08237638a/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label02_true-unreach-call_false-termination.c [2018-12-02 22:16:34,692 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_03054880-b81e-4991-bd8d-cea08237638a/bin-2019/utaipan/data/88d01607a/c3abe9a82d32406492b6a1dfafef00cd/FLAGa0197b0b3 [2018-12-02 22:16:35,079 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 22:16:35,080 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_03054880-b81e-4991-bd8d-cea08237638a/sv-benchmarks/c/eca-rers2012/Problem02_label02_true-unreach-call_false-termination.c [2018-12-02 22:16:35,086 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_03054880-b81e-4991-bd8d-cea08237638a/bin-2019/utaipan/data/88d01607a/c3abe9a82d32406492b6a1dfafef00cd/FLAGa0197b0b3 [2018-12-02 22:16:35,095 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_03054880-b81e-4991-bd8d-cea08237638a/bin-2019/utaipan/data/88d01607a/c3abe9a82d32406492b6a1dfafef00cd [2018-12-02 22:16:35,097 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 22:16:35,098 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 22:16:35,098 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 22:16:35,098 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 22:16:35,101 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 22:16:35,101 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:16:35" (1/1) ... [2018-12-02 22:16:35,103 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54724d61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:16:35, skipping insertion in model container [2018-12-02 22:16:35,103 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:16:35" (1/1) ... [2018-12-02 22:16:35,107 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 22:16:35,132 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 22:16:35,321 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 22:16:35,324 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 22:16:35,422 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 22:16:35,431 INFO L195 MainTranslator]: Completed translation [2018-12-02 22:16:35,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:16:35 WrapperNode [2018-12-02 22:16:35,431 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 22:16:35,432 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 22:16:35,432 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 22:16:35,432 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 22:16:35,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:16:35" (1/1) ... [2018-12-02 22:16:35,445 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:16:35" (1/1) ... [2018-12-02 22:16:35,449 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 22:16:35,450 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 22:16:35,450 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 22:16:35,450 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 22:16:35,455 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:16:35" (1/1) ... [2018-12-02 22:16:35,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:16:35" (1/1) ... [2018-12-02 22:16:35,458 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:16:35" (1/1) ... [2018-12-02 22:16:35,458 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:16:35" (1/1) ... [2018-12-02 22:16:35,472 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:16:35" (1/1) ... [2018-12-02 22:16:35,479 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:16:35" (1/1) ... [2018-12-02 22:16:35,481 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:16:35" (1/1) ... [2018-12-02 22:16:35,483 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 22:16:35,483 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 22:16:35,484 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 22:16:35,484 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 22:16:35,484 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:16:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_03054880-b81e-4991-bd8d-cea08237638a/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 [2018-12-02 22:16:35,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 22:16:35,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 22:16:35,516 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-02 22:16:35,516 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-02 22:16:35,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 22:16:35,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 22:16:35,516 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 22:16:35,516 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 22:16:36,056 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 22:16:36,057 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-02 22:16:36,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:16:36 BoogieIcfgContainer [2018-12-02 22:16:36,057 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 22:16:36,058 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 22:16:36,058 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 22:16:36,060 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 22:16:36,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 10:16:35" (1/3) ... [2018-12-02 22:16:36,061 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@520b3e7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:16:36, skipping insertion in model container [2018-12-02 22:16:36,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:16:35" (2/3) ... [2018-12-02 22:16:36,062 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@520b3e7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:16:36, skipping insertion in model container [2018-12-02 22:16:36,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:16:36" (3/3) ... [2018-12-02 22:16:36,063 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label02_true-unreach-call_false-termination.c [2018-12-02 22:16:36,072 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 22:16:36,078 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 22:16:36,091 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 22:16:36,114 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 22:16:36,114 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 22:16:36,114 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 22:16:36,114 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 22:16:36,115 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 22:16:36,115 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 22:16:36,115 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 22:16:36,115 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 22:16:36,129 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2018-12-02 22:16:36,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-02 22:16:36,135 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 22:16:36,135 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] [2018-12-02 22:16:36,137 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 22:16:36,140 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 22:16:36,140 INFO L82 PathProgramCache]: Analyzing trace with hash -1049075015, now seen corresponding path program 1 times [2018-12-02 22:16:36,142 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 22:16:36,171 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:16:36,171 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 22:16:36,171 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:16:36,171 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 22:16:36,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:16:36,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 22:16:36,405 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 22:16:36,405 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 22:16:36,405 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 22:16:36,408 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 22:16:36,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 22:16:36,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-02 22:16:36,418 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 4 states. [2018-12-02 22:16:37,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 22:16:37,068 INFO L93 Difference]: Finished difference Result 784 states and 1369 transitions. [2018-12-02 22:16:37,068 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 22:16:37,069 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 99 [2018-12-02 22:16:37,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 22:16:37,078 INFO L225 Difference]: With dead ends: 784 [2018-12-02 22:16:37,078 INFO L226 Difference]: Without dead ends: 472 [2018-12-02 22:16:37,081 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-02 22:16:37,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2018-12-02 22:16:37,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 321. [2018-12-02 22:16:37,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 321 states. [2018-12-02 22:16:37,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 468 transitions. [2018-12-02 22:16:37,116 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 468 transitions. Word has length 99 [2018-12-02 22:16:37,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 22:16:37,116 INFO L480 AbstractCegarLoop]: Abstraction has 321 states and 468 transitions. [2018-12-02 22:16:37,116 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 22:16:37,116 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 468 transitions. [2018-12-02 22:16:37,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-02 22:16:37,119 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 22:16:37,119 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] [2018-12-02 22:16:37,119 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 22:16:37,119 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 22:16:37,119 INFO L82 PathProgramCache]: Analyzing trace with hash 30248894, now seen corresponding path program 1 times [2018-12-02 22:16:37,119 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 22:16:37,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:16:37,120 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 22:16:37,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:16:37,120 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 22:16:37,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:16:37,185 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 22:16:37,185 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 22:16:37,185 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 22:16:37,185 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 22:16:37,186 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 22:16:37,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 22:16:37,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 22:16:37,187 INFO L87 Difference]: Start difference. First operand 321 states and 468 transitions. Second operand 3 states. [2018-12-02 22:16:37,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 22:16:37,432 INFO L93 Difference]: Finished difference Result 934 states and 1385 transitions. [2018-12-02 22:16:37,432 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 22:16:37,432 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 107 [2018-12-02 22:16:37,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 22:16:37,434 INFO L225 Difference]: With dead ends: 934 [2018-12-02 22:16:37,434 INFO L226 Difference]: Without dead ends: 619 [2018-12-02 22:16:37,435 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 22:16:37,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 619 states. [2018-12-02 22:16:37,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 619 to 614. [2018-12-02 22:16:37,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 614 states. [2018-12-02 22:16:37,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 861 transitions. [2018-12-02 22:16:37,455 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 861 transitions. Word has length 107 [2018-12-02 22:16:37,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 22:16:37,456 INFO L480 AbstractCegarLoop]: Abstraction has 614 states and 861 transitions. [2018-12-02 22:16:37,456 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 22:16:37,456 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 861 transitions. [2018-12-02 22:16:37,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-12-02 22:16:37,460 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 22:16:37,460 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 22:16:37,460 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 22:16:37,461 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 22:16:37,461 INFO L82 PathProgramCache]: Analyzing trace with hash 183684818, now seen corresponding path program 1 times [2018-12-02 22:16:37,461 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 22:16:37,462 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:16:37,462 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 22:16:37,462 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:16:37,462 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 22:16:37,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:16:37,549 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-02 22:16:37,550 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 22:16:37,550 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 22:16:37,551 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 137 with the following transitions: [2018-12-02 22:16:37,552 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [103], [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], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [471], [473], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-02 22:16:37,583 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 22:16:37,583 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 22:16:37,842 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 22:16:37,844 INFO L272 AbstractInterpreter]: Visited 100 different actions 100 times. Never merged. Never widened. Performed 1168 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1168 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 38 variables. [2018-12-02 22:16:37,849 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 22:16:37,849 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 22:16:38,091 INFO L227 lantSequenceWeakener]: Weakened 127 states. On average, predicates are now at 80.6% of their original sizes. [2018-12-02 22:16:38,091 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 22:16:38,113 INFO L418 sIntCurrentIteration]: We unified 135 AI predicates to 135 [2018-12-02 22:16:38,113 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 22:16:38,114 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 22:16:38,114 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2018-12-02 22:16:38,114 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 22:16:38,115 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 22:16:38,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 22:16:38,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-12-02 22:16:38,115 INFO L87 Difference]: Start difference. First operand 614 states and 861 transitions. Second operand 7 states. [2018-12-02 22:16:39,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 22:16:39,543 INFO L93 Difference]: Finished difference Result 1370 states and 1931 transitions. [2018-12-02 22:16:39,543 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 22:16:39,543 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 136 [2018-12-02 22:16:39,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 22:16:39,545 INFO L225 Difference]: With dead ends: 1370 [2018-12-02 22:16:39,545 INFO L226 Difference]: Without dead ends: 762 [2018-12-02 22:16:39,546 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 136 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-12-02 22:16:39,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 762 states. [2018-12-02 22:16:39,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 762 to 760. [2018-12-02 22:16:39,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 760 states. [2018-12-02 22:16:39,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 760 states and 1015 transitions. [2018-12-02 22:16:39,558 INFO L78 Accepts]: Start accepts. Automaton has 760 states and 1015 transitions. Word has length 136 [2018-12-02 22:16:39,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 22:16:39,559 INFO L480 AbstractCegarLoop]: Abstraction has 760 states and 1015 transitions. [2018-12-02 22:16:39,559 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 22:16:39,559 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states and 1015 transitions. [2018-12-02 22:16:39,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-02 22:16:39,560 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 22:16:39,560 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 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] [2018-12-02 22:16:39,560 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 22:16:39,561 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 22:16:39,561 INFO L82 PathProgramCache]: Analyzing trace with hash 1462241987, now seen corresponding path program 1 times [2018-12-02 22:16:39,561 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 22:16:39,561 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:16:39,561 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 22:16:39,561 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:16:39,561 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 22:16:39,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:16:39,638 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 42 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 22:16:39,639 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 22:16:39,639 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 22:16:39,639 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 146 with the following transitions: [2018-12-02 22:16:39,639 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [103], [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], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [471], [473], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-02 22:16:39,641 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 22:16:39,641 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 22:16:39,831 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 22:16:39,831 INFO L272 AbstractInterpreter]: Visited 104 different actions 305 times. Merged at 6 different actions 13 times. Never widened. Performed 3603 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3603 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-12-02 22:16:39,833 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 22:16:39,833 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 22:16:39,952 INFO L227 lantSequenceWeakener]: Weakened 142 states. On average, predicates are now at 84.06% of their original sizes. [2018-12-02 22:16:39,952 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 22:16:39,983 INFO L418 sIntCurrentIteration]: We unified 144 AI predicates to 144 [2018-12-02 22:16:39,983 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 22:16:39,984 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 22:16:39,984 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2018-12-02 22:16:39,984 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 22:16:39,984 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 22:16:39,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 22:16:39,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-02 22:16:39,984 INFO L87 Difference]: Start difference. First operand 760 states and 1015 transitions. Second operand 9 states. [2018-12-02 22:16:41,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 22:16:41,938 INFO L93 Difference]: Finished difference Result 2131 states and 2939 transitions. [2018-12-02 22:16:41,938 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-02 22:16:41,938 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 145 [2018-12-02 22:16:41,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 22:16:41,941 INFO L225 Difference]: With dead ends: 2131 [2018-12-02 22:16:41,941 INFO L226 Difference]: Without dead ends: 1377 [2018-12-02 22:16:41,943 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 152 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-12-02 22:16:41,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1377 states. [2018-12-02 22:16:41,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1377 to 1353. [2018-12-02 22:16:41,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1353 states. [2018-12-02 22:16:41,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1353 states to 1353 states and 1759 transitions. [2018-12-02 22:16:41,965 INFO L78 Accepts]: Start accepts. Automaton has 1353 states and 1759 transitions. Word has length 145 [2018-12-02 22:16:41,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 22:16:41,965 INFO L480 AbstractCegarLoop]: Abstraction has 1353 states and 1759 transitions. [2018-12-02 22:16:41,965 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 22:16:41,965 INFO L276 IsEmpty]: Start isEmpty. Operand 1353 states and 1759 transitions. [2018-12-02 22:16:41,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-12-02 22:16:41,968 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 22:16:41,968 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 22:16:41,968 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 22:16:41,968 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 22:16:41,968 INFO L82 PathProgramCache]: Analyzing trace with hash -1838882133, now seen corresponding path program 1 times [2018-12-02 22:16:41,968 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 22:16:41,969 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:16:41,969 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 22:16:41,969 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:16:41,969 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 22:16:41,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:16:42,057 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 101 proven. 22 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-02 22:16:42,057 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 22:16:42,058 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 22:16:42,058 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 201 with the following transitions: [2018-12-02 22:16:42,058 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], [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], [301], [306], [308], [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], [471], [473], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-02 22:16:42,061 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 22:16:42,061 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 22:16:42,190 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 22:16:42,191 INFO L272 AbstractInterpreter]: Visited 104 different actions 202 times. Merged at 4 different actions 4 times. Never widened. Performed 2306 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2306 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-12-02 22:16:42,193 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 22:16:42,193 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 22:16:42,346 INFO L227 lantSequenceWeakener]: Weakened 195 states. On average, predicates are now at 80.62% of their original sizes. [2018-12-02 22:16:42,346 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 22:16:42,395 INFO L418 sIntCurrentIteration]: We unified 199 AI predicates to 199 [2018-12-02 22:16:42,395 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 22:16:42,395 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 22:16:42,395 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-02 22:16:42,396 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 22:16:42,396 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 22:16:42,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 22:16:42,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 22:16:42,397 INFO L87 Difference]: Start difference. First operand 1353 states and 1759 transitions. Second operand 10 states. [2018-12-02 22:16:44,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 22:16:44,362 INFO L93 Difference]: Finished difference Result 2996 states and 3906 transitions. [2018-12-02 22:16:44,362 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-02 22:16:44,363 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 200 [2018-12-02 22:16:44,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 22:16:44,367 INFO L225 Difference]: With dead ends: 2996 [2018-12-02 22:16:44,367 INFO L226 Difference]: Without dead ends: 1649 [2018-12-02 22:16:44,370 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 209 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-12-02 22:16:44,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1649 states. [2018-12-02 22:16:44,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1649 to 1500. [2018-12-02 22:16:44,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1500 states. [2018-12-02 22:16:44,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1500 states to 1500 states and 1905 transitions. [2018-12-02 22:16:44,402 INFO L78 Accepts]: Start accepts. Automaton has 1500 states and 1905 transitions. Word has length 200 [2018-12-02 22:16:44,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 22:16:44,402 INFO L480 AbstractCegarLoop]: Abstraction has 1500 states and 1905 transitions. [2018-12-02 22:16:44,403 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 22:16:44,403 INFO L276 IsEmpty]: Start isEmpty. Operand 1500 states and 1905 transitions. [2018-12-02 22:16:44,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-12-02 22:16:44,407 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 22:16:44,407 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 22:16:44,407 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 22:16:44,407 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 22:16:44,407 INFO L82 PathProgramCache]: Analyzing trace with hash 1739595059, now seen corresponding path program 1 times [2018-12-02 22:16:44,407 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 22:16:44,408 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:16:44,408 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 22:16:44,408 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:16:44,408 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 22:16:44,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:16:44,492 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 130 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 22:16:44,492 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 22:16:44,492 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 22:16:44,492 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 205 with the following transitions: [2018-12-02 22:16:44,492 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], [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], [301], [306], [308], [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], [471], [473], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-02 22:16:44,494 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 22:16:44,494 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 22:16:44,620 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 22:16:44,620 INFO L272 AbstractInterpreter]: Visited 107 different actions 311 times. Merged at 7 different actions 16 times. Never widened. Performed 3848 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3848 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 2 different actions. Largest state had 38 variables. [2018-12-02 22:16:44,623 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 22:16:44,623 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 22:16:44,624 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 22:16:44,624 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_03054880-b81e-4991-bd8d-cea08237638a/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 [2018-12-02 22:16:44,632 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 22:16:44,632 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 22:16:44,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:16:44,687 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 22:16:44,740 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 130 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 22:16:44,740 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 22:16:44,842 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 130 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 22:16:44,867 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 22:16:44,868 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-02 22:16:44,868 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 22:16:44,868 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 22:16:44,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 22:16:44,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2018-12-02 22:16:44,869 INFO L87 Difference]: Start difference. First operand 1500 states and 1905 transitions. Second operand 9 states. [2018-12-02 22:16:46,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 22:16:46,375 INFO L93 Difference]: Finished difference Result 5643 states and 7481 transitions. [2018-12-02 22:16:46,375 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-12-02 22:16:46,375 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 204 [2018-12-02 22:16:46,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 22:16:46,381 INFO L225 Difference]: With dead ends: 5643 [2018-12-02 22:16:46,381 INFO L226 Difference]: Without dead ends: 2675 [2018-12-02 22:16:46,384 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 443 GetRequests, 417 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=184, Invalid=466, Unknown=0, NotChecked=0, Total=650 [2018-12-02 22:16:46,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2675 states. [2018-12-02 22:16:46,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2675 to 2530. [2018-12-02 22:16:46,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2530 states. [2018-12-02 22:16:46,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2530 states to 2530 states and 2966 transitions. [2018-12-02 22:16:46,420 INFO L78 Accepts]: Start accepts. Automaton has 2530 states and 2966 transitions. Word has length 204 [2018-12-02 22:16:46,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 22:16:46,420 INFO L480 AbstractCegarLoop]: Abstraction has 2530 states and 2966 transitions. [2018-12-02 22:16:46,420 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 22:16:46,420 INFO L276 IsEmpty]: Start isEmpty. Operand 2530 states and 2966 transitions. [2018-12-02 22:16:46,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-12-02 22:16:46,423 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 22:16:46,423 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 22:16:46,424 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 22:16:46,424 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 22:16:46,424 INFO L82 PathProgramCache]: Analyzing trace with hash -382493489, now seen corresponding path program 1 times [2018-12-02 22:16:46,424 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 22:16:46,425 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:16:46,425 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 22:16:46,425 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 22:16:46,425 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 22:16:46,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:16:46,526 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 113 proven. 53 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 22:16:46,527 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 22:16:46,527 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 22:16:46,527 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 219 with the following transitions: [2018-12-02 22:16:46,527 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], [131], [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], [301], [306], [308], [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], [471], [473], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-02 22:16:46,529 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 22:16:46,529 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 22:16:46,700 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 22:16:46,700 INFO L272 AbstractInterpreter]: Visited 107 different actions 414 times. Merged at 7 different actions 23 times. Never widened. Performed 5121 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5121 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 6 fixpoints after 2 different actions. Largest state had 38 variables. [2018-12-02 22:16:46,701 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 22:16:46,701 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 22:16:46,702 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 22:16:46,702 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_03054880-b81e-4991-bd8d-cea08237638a/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 [2018-12-02 22:16:46,708 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 22:16:46,708 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 22:16:46,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:16:46,751 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 22:16:46,794 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 102 proven. 2 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-02 22:16:46,795 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 22:16:46,849 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 123 proven. 36 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-02 22:16:46,864 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 22:16:46,864 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 5] total 15 [2018-12-02 22:16:46,864 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 22:16:46,864 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-02 22:16:46,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-02 22:16:46,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2018-12-02 22:16:46,865 INFO L87 Difference]: Start difference. First operand 2530 states and 2966 transitions. Second operand 13 states. [2018-12-02 22:16:47,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 22:16:47,701 INFO L93 Difference]: Finished difference Result 4832 states and 5818 transitions. [2018-12-02 22:16:47,701 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-12-02 22:16:47,701 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 218 [2018-12-02 22:16:47,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 22:16:47,701 INFO L225 Difference]: With dead ends: 4832 [2018-12-02 22:16:47,701 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 22:16:47,708 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 484 GetRequests, 449 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 275 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=357, Invalid=903, Unknown=0, NotChecked=0, Total=1260 [2018-12-02 22:16:47,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 22:16:47,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 22:16:47,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 22:16:47,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 22:16:47,709 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 218 [2018-12-02 22:16:47,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 22:16:47,709 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 22:16:47,709 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-02 22:16:47,709 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 22:16:47,709 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 22:16:47,713 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 22:16:47,783 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:16:47,783 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:16:47,784 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:16:47,784 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:16:47,785 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:16:47,796 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:16:47,797 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 22:16:48,327 WARN L180 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 72 [2018-12-02 22:16:48,434 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 50 [2018-12-02 22:16:48,519 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 22:16:48,519 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a11~0 |old(~a11~0)|) (= |old(~a17~0)| ~a17~0) (= ~a28~0 |old(~a28~0)|)) [2018-12-02 22:16:48,519 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 22:16:48,519 INFO L448 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 22:16:48,519 INFO L448 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 22:16:48,519 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 22:16:48,519 INFO L448 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 22:16:48,519 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 22:16:48,519 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-12-02 22:16:48,519 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-12-02 22:16:48,519 INFO L448 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-12-02 22:16:48,519 INFO L448 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-12-02 22:16:48,519 INFO L448 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-12-02 22:16:48,519 INFO L448 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-12-02 22:16:48,519 INFO L448 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-12-02 22:16:48,520 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-12-02 22:16:48,520 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-12-02 22:16:48,520 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 451) no Hoare annotation was computed. [2018-12-02 22:16:48,520 INFO L448 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-12-02 22:16:48,520 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-12-02 22:16:48,520 INFO L448 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-12-02 22:16:48,520 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-12-02 22:16:48,520 INFO L448 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 22:16:48,520 INFO L448 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 22:16:48,520 INFO L448 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 22:16:48,520 INFO L448 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 22:16:48,520 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-12-02 22:16:48,520 INFO L448 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 22:16:48,520 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-12-02 22:16:48,520 INFO L448 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-12-02 22:16:48,520 INFO L448 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-12-02 22:16:48,520 INFO L448 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-12-02 22:16:48,520 INFO L448 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-12-02 22:16:48,520 INFO L448 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-12-02 22:16:48,520 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-12-02 22:16:48,520 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-12-02 22:16:48,521 INFO L448 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-12-02 22:16:48,521 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-12-02 22:16:48,521 INFO L448 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-12-02 22:16:48,521 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-12-02 22:16:48,521 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-12-02 22:16:48,521 INFO L448 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-12-02 22:16:48,521 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-12-02 22:16:48,521 INFO L448 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 22:16:48,521 INFO L448 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 22:16:48,521 INFO L448 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 22:16:48,521 INFO L448 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 22:16:48,521 INFO L448 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 22:16:48,521 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-12-02 22:16:48,521 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-12-02 22:16:48,521 INFO L448 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-12-02 22:16:48,521 INFO L448 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-12-02 22:16:48,521 INFO L448 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-12-02 22:16:48,521 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-12-02 22:16:48,521 INFO L448 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-12-02 22:16:48,521 INFO L448 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-12-02 22:16:48,521 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-12-02 22:16:48,521 INFO L448 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-12-02 22:16:48,521 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-12-02 22:16:48,522 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 22:16:48,522 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 22:16:48,522 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 22:16:48,522 INFO L448 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 22:16:48,522 INFO L448 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 22:16:48,522 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-12-02 22:16:48,522 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-12-02 22:16:48,522 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-12-02 22:16:48,522 INFO L448 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-12-02 22:16:48,522 INFO L448 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-12-02 22:16:48,522 INFO L448 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-12-02 22:16:48,522 INFO L448 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-12-02 22:16:48,522 INFO L448 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-12-02 22:16:48,522 INFO L448 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-12-02 22:16:48,522 INFO L448 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-12-02 22:16:48,522 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-12-02 22:16:48,523 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-12-02 22:16:48,523 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-12-02 22:16:48,523 INFO L448 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 22:16:48,523 INFO L448 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 22:16:48,523 INFO L448 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 22:16:48,523 INFO L448 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 22:16:48,523 INFO L448 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 22:16:48,523 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-12-02 22:16:48,523 INFO L448 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-12-02 22:16:48,523 INFO L448 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-12-02 22:16:48,523 INFO L448 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-12-02 22:16:48,523 INFO L448 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-12-02 22:16:48,523 INFO L448 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-12-02 22:16:48,524 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-12-02 22:16:48,524 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-12-02 22:16:48,524 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-12-02 22:16:48,524 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-12-02 22:16:48,524 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-12-02 22:16:48,524 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-12-02 22:16:48,524 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-12-02 22:16:48,524 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-12-02 22:16:48,524 INFO L448 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-12-02 22:16:48,524 INFO L448 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-12-02 22:16:48,524 INFO L448 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 22:16:48,524 INFO L448 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 22:16:48,524 INFO L448 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 22:16:48,524 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 22:16:48,525 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-12-02 22:16:48,525 INFO L448 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 22:16:48,525 INFO L448 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-12-02 22:16:48,525 INFO L448 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-12-02 22:16:48,525 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-12-02 22:16:48,525 INFO L448 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-12-02 22:16:48,525 INFO L448 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-12-02 22:16:48,525 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-12-02 22:16:48,525 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-12-02 22:16:48,525 INFO L448 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-12-02 22:16:48,525 INFO L448 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-12-02 22:16:48,525 INFO L448 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-12-02 22:16:48,525 INFO L448 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-12-02 22:16:48,525 INFO L448 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-12-02 22:16:48,526 INFO L448 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-12-02 22:16:48,526 INFO L448 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-12-02 22:16:48,526 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-12-02 22:16:48,526 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-12-02 22:16:48,526 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-12-02 22:16:48,526 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-12-02 22:16:48,526 INFO L448 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 22:16:48,526 INFO L448 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 22:16:48,526 INFO L448 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 22:16:48,526 INFO L448 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 22:16:48,526 INFO L448 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 22:16:48,526 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 22:16:48,526 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-12-02 22:16:48,526 INFO L448 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-12-02 22:16:48,526 INFO L448 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-12-02 22:16:48,526 INFO L448 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-12-02 22:16:48,526 INFO L448 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-12-02 22:16:48,526 INFO L448 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-12-02 22:16:48,526 INFO L448 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-12-02 22:16:48,526 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-12-02 22:16:48,527 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-12-02 22:16:48,527 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-12-02 22:16:48,527 INFO L448 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-12-02 22:16:48,527 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 22:16:48,527 INFO L448 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 22:16:48,527 INFO L448 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 22:16:48,527 INFO L448 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 22:16:48,527 INFO L448 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 22:16:48,527 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 22:16:48,527 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-12-02 22:16:48,527 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-12-02 22:16:48,527 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-12-02 22:16:48,527 INFO L448 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-12-02 22:16:48,527 INFO L448 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-12-02 22:16:48,527 INFO L448 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-12-02 22:16:48,527 INFO L448 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-12-02 22:16:48,527 INFO L448 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-12-02 22:16:48,527 INFO L448 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-12-02 22:16:48,527 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-12-02 22:16:48,527 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-12-02 22:16:48,527 INFO L448 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-12-02 22:16:48,527 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-12-02 22:16:48,527 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-12-02 22:16:48,528 INFO L448 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 22:16:48,528 INFO L448 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 22:16:48,528 INFO L448 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 22:16:48,528 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse18 (= 1 |old(~a11~0)|)) (.cse13 (not (= 1 ~a21~0))) (.cse14 (not (= 1 |old(~a19~0)|))) (.cse15 (= 0 |old(~a28~0)|)) (.cse16 (not (= 8 |old(~a17~0)|))) (.cse17 (= |calculate_output_#in~input| 0))) (let ((.cse9 (< 7 |old(~a17~0)|)) (.cse10 (or .cse13 .cse14 .cse15 .cse16 .cse17)) (.cse11 (= ~a19~0 1)) (.cse12 (= |old(~a11~0)| |old(~a19~0)|)) (.cse7 (not .cse18)) (.cse8 (<= ~a17~0 |old(~a17~0)|)) (.cse1 (= 1 ~a11~0)) (.cse2 (= |old(~a17~0)| ~a17~0)) (.cse4 (= ~a28~0 |old(~a28~0)|)) (.cse5 (= 8 |old(~a28~0)|)) (.cse6 (< 8 |old(~a17~0)|)) (.cse3 (= 1 ~a25~0)) (.cse0 (not (= 1 |old(~a25~0)|)))) (and (or .cse0 (and .cse1 .cse2 .cse3 .cse4) .cse5 .cse6 .cse7) (or .cse0 (and .cse8 .cse1 .cse3) .cse7 .cse9) (or .cse10 .cse5 .cse11) (or .cse12 .cse0 .cse3 .cse7) (or .cse5 (and .cse1 .cse2 .cse4) .cse7 .cse9) (or .cse10 (and (not (= ~a28~0 0)) .cse1 (= ~a17~0 8) .cse11) .cse7) (or .cse13 .cse0 .cse14 .cse11 .cse15 .cse16 .cse17) (or .cse12 .cse7 (and .cse8 .cse1 (not (= 1 ~a19~0)))) (or .cse18 .cse6 (and (= ~a11~0 |old(~a11~0)|) .cse2 .cse4)) (or .cse13 .cse14 .cse15 (= ~a25~0 0) .cse5 (not (= 0 |old(~a11~0)|)) .cse16 .cse17 (not (= 0 |old(~a25~0)|))) (or .cse3 .cse6 (or .cse18 .cse0)) (or .cse3 .cse13 .cse0 .cse16 .cse17)))) [2018-12-02 22:16:48,528 INFO L448 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 22:16:48,528 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 22:16:48,528 INFO L448 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 22:16:48,528 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-12-02 22:16:48,528 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-12-02 22:16:48,528 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-12-02 22:16:48,528 INFO L448 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-12-02 22:16:48,528 INFO L448 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-12-02 22:16:48,528 INFO L448 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-12-02 22:16:48,528 INFO L448 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-12-02 22:16:48,528 INFO L448 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-12-02 22:16:48,528 INFO L448 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-12-02 22:16:48,528 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-12-02 22:16:48,528 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-12-02 22:16:48,529 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-12-02 22:16:48,529 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-12-02 22:16:48,529 INFO L448 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 22:16:48,529 INFO L448 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 22:16:48,529 INFO L448 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 22:16:48,529 INFO L448 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 22:16:48,529 INFO L448 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 22:16:48,529 INFO L448 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 22:16:48,529 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-12-02 22:16:48,529 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-12-02 22:16:48,529 INFO L448 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-12-02 22:16:48,529 INFO L448 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-12-02 22:16:48,529 INFO L448 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-12-02 22:16:48,529 INFO L448 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-12-02 22:16:48,529 INFO L448 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-12-02 22:16:48,529 INFO L448 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-12-02 22:16:48,529 INFO L448 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-12-02 22:16:48,529 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-12-02 22:16:48,529 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-12-02 22:16:48,529 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-12-02 22:16:48,529 INFO L448 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-12-02 22:16:48,529 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-12-02 22:16:48,529 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-12-02 22:16:48,529 INFO L448 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-12-02 22:16:48,529 INFO L448 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 22:16:48,529 INFO L448 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 22:16:48,530 INFO L448 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 22:16:48,530 INFO L448 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 22:16:48,530 INFO L448 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-12-02 22:16:48,530 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-12-02 22:16:48,530 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-12-02 22:16:48,530 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-12-02 22:16:48,530 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-12-02 22:16:48,530 INFO L448 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-12-02 22:16:48,530 INFO L448 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-12-02 22:16:48,530 INFO L448 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-12-02 22:16:48,530 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-12-02 22:16:48,530 INFO L448 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-12-02 22:16:48,530 INFO L448 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-12-02 22:16:48,530 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-12-02 22:16:48,530 INFO L448 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-12-02 22:16:48,530 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-12-02 22:16:48,530 INFO L448 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-12-02 22:16:48,530 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-12-02 22:16:48,530 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-12-02 22:16:48,530 INFO L448 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-12-02 22:16:48,530 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-12-02 22:16:48,530 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-12-02 22:16:48,530 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 22:16:48,530 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)) [2018-12-02 22:16:48,531 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 22:16:48,531 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 22:16:48,531 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)|)) (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 |old(~a28~0)|)) (not (= 0 |old(~a25~0)|))) [2018-12-02 22:16:48,531 INFO L444 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse3 (<= ~a17~0 7)) (.cse1 (or (not (= ~a19~0 ~a11~0)) (not (= 1 ~a19~0)))) (.cse0 (= 1 ~a11~0)) (.cse2 (<= ~a17~0 8))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a11~0)|)) (and (<= ~a17~0 |old(~a17~0)|) .cse0 .cse1) (and (= ~a11~0 |old(~a11~0)|) .cse2) (and (not (= ~a28~0 0)) .cse0 (= ~a17~0 8)) (not (= 1 |old(~a19~0)|)) (and .cse3 (not (= ~a28~0 8))) (not (= 8 |old(~a17~0)|)) (and .cse3 .cse1) (and .cse0 (= 1 ~a25~0) .cse2) (not (= 0 |old(~a25~0)|)))) [2018-12-02 22:16:48,531 INFO L448 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2018-12-02 22:16:48,531 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-12-02 22:16:48,531 INFO L444 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 7)) (.cse3 (or (not (= ~a19~0 ~a11~0)) (not (= 1 ~a19~0)))) (.cse2 (= 1 ~a11~0)) (.cse1 (= 1 ~a25~0)) (.cse5 (not (= ~a28~0 8))) (.cse4 (<= ~a17~0 8))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and .cse0 .cse1) (not (= 0 |old(~a11~0)|)) (and (<= ~a17~0 |old(~a17~0)|) .cse2 .cse3) (and (= ~a11~0 |old(~a11~0)|) .cse4) (and (not (= main_~input~0 0)) (not (= ~a28~0 0)) .cse2 (= ~a17~0 8)) (not (= 1 |old(~a19~0)|)) (and .cse0 .cse5) (not (= 8 |old(~a17~0)|)) (and .cse0 .cse3) (and .cse2 .cse1 .cse5 .cse4) (not (= 0 |old(~a25~0)|)))) [2018-12-02 22:16:48,531 INFO L448 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-12-02 22:16:48,531 INFO L448 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-12-02 22:16:48,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 10:16:48 BoogieIcfgContainer [2018-12-02 22:16:48,538 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 22:16:48,538 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 22:16:48,538 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 22:16:48,538 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 22:16:48,538 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:16:36" (3/4) ... [2018-12-02 22:16:48,541 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 22:16:48,545 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 22:16:48,545 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-02 22:16:48,546 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 22:16:48,551 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-02 22:16:48,551 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-02 22:16:48,570 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(1 == a21) || !(7 == \old(a28))) || !(0 == \old(a11))) || ((a17 <= \old(a17) && 1 == a11) && (!(a19 == a11) || !(1 == a19)))) || (a11 == \old(a11) && a17 <= 8)) || ((!(a28 == 0) && 1 == a11) && a17 == 8)) || !(1 == \old(a19))) || (a17 <= 7 && !(a28 == 8))) || !(8 == \old(a17))) || (a17 <= 7 && (!(a19 == a11) || !(1 == a19)))) || ((1 == a11 && 1 == a25) && a17 <= 8)) || !(0 == \old(a25)) [2018-12-02 22:16:48,639 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_03054880-b81e-4991-bd8d-cea08237638a/bin-2019/utaipan/witness.graphml [2018-12-02 22:16:48,640 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 22:16:48,640 INFO L168 Benchmark]: Toolchain (without parser) took 13542.97 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 605.6 MB). Free memory was 941.6 MB in the beginning and 1.3 GB in the end (delta: -380.4 MB). Peak memory consumption was 225.2 MB. Max. memory is 11.5 GB. [2018-12-02 22:16:48,641 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 22:16:48,641 INFO L168 Benchmark]: CACSL2BoogieTranslator took 333.36 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -156.2 MB). Peak memory consumption was 42.9 MB. Max. memory is 11.5 GB. [2018-12-02 22:16:48,641 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.55 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 22:16:48,641 INFO L168 Benchmark]: Boogie Preprocessor took 33.53 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-02 22:16:48,642 INFO L168 Benchmark]: RCFGBuilder took 573.76 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 985.7 MB in the end (delta: 106.7 MB). Peak memory consumption was 106.7 MB. Max. memory is 11.5 GB. [2018-12-02 22:16:48,642 INFO L168 Benchmark]: TraceAbstraction took 12479.78 ms. Allocated memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: 500.2 MB). Free memory was 985.7 MB in the beginning and 1.3 GB in the end (delta: -351.1 MB). Peak memory consumption was 698.3 MB. Max. memory is 11.5 GB. [2018-12-02 22:16:48,642 INFO L168 Benchmark]: Witness Printer took 101.75 ms. Allocated memory is still 1.6 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. [2018-12-02 22:16:48,644 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 333.36 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -156.2 MB). Peak memory consumption was 42.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.55 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.53 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 573.76 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 985.7 MB in the end (delta: 106.7 MB). Peak memory consumption was 106.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 12479.78 ms. Allocated memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: 500.2 MB). Free memory was 985.7 MB in the beginning and 1.3 GB in the end (delta: -351.1 MB). Peak memory consumption was 698.3 MB. Max. memory is 11.5 GB. * Witness Printer took 101.75 ms. Allocated memory is still 1.6 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 451]: 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))) || ((a17 <= \old(a17) && 1 == a11) && (!(a19 == a11) || !(1 == a19)))) || (a11 == \old(a11) && a17 <= 8)) || ((!(a28 == 0) && 1 == a11) && a17 == 8)) || !(1 == \old(a19))) || (a17 <= 7 && !(a28 == 8))) || !(8 == \old(a17))) || (a17 <= 7 && (!(a19 == a11) || !(1 == a19)))) || ((1 == a11 && 1 == a25) && a17 <= 8)) || !(0 == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. SAFE Result, 12.4s OverallTime, 7 OverallIterations, 4 TraceHistogramMax, 8.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 810 SDtfs, 5555 SDslu, 595 SDs, 0 SdLazy, 7162 SolverSat, 1734 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.3s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 1434 GetRequests, 1329 SyntacticMatches, 5 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 476 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2530occurred 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, 5 AbstIntIterations, 3 AbstIntStrong, 0.996589661127128 AbsIntWeakeningRatio, 0.24476987447698745 AbsIntAvgWeakeningVarsNumRemoved, 26.12133891213389 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 476 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 85 PreInvPairs, 147 NumberOfFragments, 551 HoareAnnotationTreeSize, 85 FomulaSimplifications, 3496 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2073 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1531 NumberOfCodeBlocks, 1531 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1942 ConstructedInterpolants, 0 QuantifiedInterpolants, 815253 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1028 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 11 InterpolantComputations, 2 PerfectInterpolantSequences, 1035/1172 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...