./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label16_true-unreach-call.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_6cd3ff41-b783-4ea5-a85a-a085a3405041/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6cd3ff41-b783-4ea5-a85a-a085a3405041/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6cd3ff41-b783-4ea5-a85a-a085a3405041/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6cd3ff41-b783-4ea5-a85a-a085a3405041/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label16_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6cd3ff41-b783-4ea5-a85a-a085a3405041/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6cd3ff41-b783-4ea5-a85a-a085a3405041/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 5985a693844a745b17f53ac09178823316d8edff .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 07:08:36,952 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 07:08:36,953 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 07:08:36,961 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 07:08:36,961 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 07:08:36,962 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 07:08:36,962 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 07:08:36,963 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 07:08:36,964 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 07:08:36,965 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 07:08:36,965 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 07:08:36,965 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 07:08:36,966 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 07:08:36,967 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 07:08:36,967 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 07:08:36,968 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 07:08:36,969 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 07:08:36,970 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 07:08:36,971 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 07:08:36,972 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 07:08:36,973 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 07:08:36,974 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 07:08:36,975 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 07:08:36,975 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 07:08:36,975 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 07:08:36,976 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 07:08:36,977 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 07:08:36,977 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 07:08:36,978 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 07:08:36,978 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 07:08:36,979 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 07:08:36,979 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 07:08:36,979 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 07:08:36,979 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 07:08:36,980 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 07:08:36,980 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 07:08:36,980 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6cd3ff41-b783-4ea5-a85a-a085a3405041/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 07:08:36,989 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 07:08:36,990 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 07:08:36,990 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 07:08:36,990 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 07:08:36,990 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 07:08:36,990 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 07:08:36,990 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 07:08:36,991 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 07:08:36,991 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 07:08:36,991 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 07:08:36,991 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 07:08:36,991 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 07:08:36,991 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 07:08:36,992 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 07:08:36,992 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 07:08:36,992 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 07:08:36,992 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 07:08:36,992 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 07:08:36,992 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 07:08:36,993 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 07:08:36,993 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 07:08:36,993 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 07:08:36,993 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 07:08:36,993 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 07:08:36,993 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 07:08:36,994 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 07:08:36,994 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 07:08:36,994 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 07:08:36,994 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 07:08:36,994 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 07:08:36,994 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 07:08:36,994 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 07:08:36,995 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 07:08:36,995 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 07:08:36,995 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 07:08:36,995 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 07:08:36,995 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_6cd3ff41-b783-4ea5-a85a-a085a3405041/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 -> 5985a693844a745b17f53ac09178823316d8edff [2018-12-02 07:08:37,020 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 07:08:37,029 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 07:08:37,032 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 07:08:37,033 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 07:08:37,033 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 07:08:37,034 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6cd3ff41-b783-4ea5-a85a-a085a3405041/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem16_label16_true-unreach-call.c [2018-12-02 07:08:37,078 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6cd3ff41-b783-4ea5-a85a-a085a3405041/bin-2019/utaipan/data/2f8de6077/e3387c20f22a4271857cf2cf3606dd58/FLAG83098aefa [2018-12-02 07:08:37,577 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 07:08:37,577 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6cd3ff41-b783-4ea5-a85a-a085a3405041/sv-benchmarks/c/eca-rers2012/Problem16_label16_true-unreach-call.c [2018-12-02 07:08:37,586 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6cd3ff41-b783-4ea5-a85a-a085a3405041/bin-2019/utaipan/data/2f8de6077/e3387c20f22a4271857cf2cf3606dd58/FLAG83098aefa [2018-12-02 07:08:37,595 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6cd3ff41-b783-4ea5-a85a-a085a3405041/bin-2019/utaipan/data/2f8de6077/e3387c20f22a4271857cf2cf3606dd58 [2018-12-02 07:08:37,597 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 07:08:37,598 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 07:08:37,598 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 07:08:37,598 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 07:08:37,600 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 07:08:37,601 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:08:37" (1/1) ... [2018-12-02 07:08:37,603 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@403c9f8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:08:37, skipping insertion in model container [2018-12-02 07:08:37,603 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:08:37" (1/1) ... [2018-12-02 07:08:37,607 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 07:08:37,653 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 07:08:38,008 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 07:08:38,011 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 07:08:38,188 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 07:08:38,198 INFO L195 MainTranslator]: Completed translation [2018-12-02 07:08:38,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:08:38 WrapperNode [2018-12-02 07:08:38,199 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 07:08:38,199 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 07:08:38,199 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 07:08:38,199 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 07:08:38,204 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:08:38" (1/1) ... [2018-12-02 07:08:38,223 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:08:38" (1/1) ... [2018-12-02 07:08:38,229 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 07:08:38,230 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 07:08:38,230 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 07:08:38,230 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 07:08:38,237 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:08:38" (1/1) ... [2018-12-02 07:08:38,237 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:08:38" (1/1) ... [2018-12-02 07:08:38,242 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:08:38" (1/1) ... [2018-12-02 07:08:38,243 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:08:38" (1/1) ... [2018-12-02 07:08:38,278 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:08:38" (1/1) ... [2018-12-02 07:08:38,289 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:08:38" (1/1) ... [2018-12-02 07:08:38,298 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:08:38" (1/1) ... [2018-12-02 07:08:38,306 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 07:08:38,307 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 07:08:38,307 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 07:08:38,307 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 07:08:38,307 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:08:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6cd3ff41-b783-4ea5-a85a-a085a3405041/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 07:08:38,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 07:08:38,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 07:08:38,348 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-12-02 07:08:38,349 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-12-02 07:08:38,349 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-02 07:08:38,349 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-02 07:08:38,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 07:08:38,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 07:08:38,349 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 07:08:38,349 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 07:08:39,662 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 07:08:39,662 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-02 07:08:39,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:08:39 BoogieIcfgContainer [2018-12-02 07:08:39,663 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 07:08:39,663 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 07:08:39,663 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 07:08:39,665 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 07:08:39,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:08:37" (1/3) ... [2018-12-02 07:08:39,666 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1618aa5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:08:39, skipping insertion in model container [2018-12-02 07:08:39,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:08:38" (2/3) ... [2018-12-02 07:08:39,667 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1618aa5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:08:39, skipping insertion in model container [2018-12-02 07:08:39,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:08:39" (3/3) ... [2018-12-02 07:08:39,668 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label16_true-unreach-call.c [2018-12-02 07:08:39,674 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 07:08:39,679 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 07:08:39,689 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 07:08:39,710 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 07:08:39,711 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 07:08:39,711 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 07:08:39,711 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 07:08:39,711 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 07:08:39,711 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 07:08:39,711 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 07:08:39,711 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 07:08:39,728 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states. [2018-12-02 07:08:39,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-02 07:08:39,733 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 07:08:39,733 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] [2018-12-02 07:08:39,735 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 07:08:39,738 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:08:39,738 INFO L82 PathProgramCache]: Analyzing trace with hash 1899898085, now seen corresponding path program 1 times [2018-12-02 07:08:39,740 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 07:08:39,770 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:08:39,770 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:08:39,770 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:08:39,771 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 07:08:39,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:08:39,904 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 07:08:39,906 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 07:08:39,906 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 07:08:39,906 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 07:08:39,911 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 07:08:39,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 07:08:39,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 07:08:39,925 INFO L87 Difference]: Start difference. First operand 409 states. Second operand 3 states. [2018-12-02 07:08:41,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 07:08:41,080 INFO L93 Difference]: Finished difference Result 1153 states and 2141 transitions. [2018-12-02 07:08:41,081 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 07:08:41,082 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-12-02 07:08:41,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 07:08:41,092 INFO L225 Difference]: With dead ends: 1153 [2018-12-02 07:08:41,092 INFO L226 Difference]: Without dead ends: 682 [2018-12-02 07:08:41,096 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 07:08:41,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2018-12-02 07:08:41,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 682. [2018-12-02 07:08:41,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 682 states. [2018-12-02 07:08:41,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 1154 transitions. [2018-12-02 07:08:41,145 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 1154 transitions. Word has length 48 [2018-12-02 07:08:41,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 07:08:41,145 INFO L480 AbstractCegarLoop]: Abstraction has 682 states and 1154 transitions. [2018-12-02 07:08:41,145 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 07:08:41,145 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 1154 transitions. [2018-12-02 07:08:41,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-12-02 07:08:41,148 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 07:08:41,148 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:08:41,148 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 07:08:41,148 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:08:41,148 INFO L82 PathProgramCache]: Analyzing trace with hash 301606541, now seen corresponding path program 1 times [2018-12-02 07:08:41,149 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 07:08:41,149 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:08:41,149 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:08:41,149 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:08:41,149 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 07:08:41,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:08:41,267 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 07:08:41,267 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 07:08:41,268 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 07:08:41,268 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 07:08:41,269 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 07:08:41,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 07:08:41,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-02 07:08:41,269 INFO L87 Difference]: Start difference. First operand 682 states and 1154 transitions. Second operand 6 states. [2018-12-02 07:08:44,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 07:08:44,465 INFO L93 Difference]: Finished difference Result 2808 states and 4912 transitions. [2018-12-02 07:08:44,465 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-02 07:08:44,465 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 123 [2018-12-02 07:08:44,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 07:08:44,475 INFO L225 Difference]: With dead ends: 2808 [2018-12-02 07:08:44,475 INFO L226 Difference]: Without dead ends: 2132 [2018-12-02 07:08:44,477 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-12-02 07:08:44,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2132 states. [2018-12-02 07:08:44,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2132 to 2087. [2018-12-02 07:08:44,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2087 states. [2018-12-02 07:08:44,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2087 states to 2087 states and 3381 transitions. [2018-12-02 07:08:44,531 INFO L78 Accepts]: Start accepts. Automaton has 2087 states and 3381 transitions. Word has length 123 [2018-12-02 07:08:44,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 07:08:44,531 INFO L480 AbstractCegarLoop]: Abstraction has 2087 states and 3381 transitions. [2018-12-02 07:08:44,532 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 07:08:44,532 INFO L276 IsEmpty]: Start isEmpty. Operand 2087 states and 3381 transitions. [2018-12-02 07:08:44,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-02 07:08:44,533 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 07:08:44,533 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:08:44,533 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 07:08:44,534 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:08:44,534 INFO L82 PathProgramCache]: Analyzing trace with hash 1614630469, now seen corresponding path program 1 times [2018-12-02 07:08:44,534 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 07:08:44,535 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:08:44,535 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:08:44,535 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:08:44,535 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 07:08:44,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:08:44,637 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 07:08:44,637 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 07:08:44,637 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 07:08:44,637 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 07:08:44,638 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 07:08:44,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 07:08:44,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 07:08:44,638 INFO L87 Difference]: Start difference. First operand 2087 states and 3381 transitions. Second operand 6 states. [2018-12-02 07:08:45,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 07:08:45,885 INFO L93 Difference]: Finished difference Result 5623 states and 9425 transitions. [2018-12-02 07:08:45,886 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 07:08:45,886 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 127 [2018-12-02 07:08:45,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 07:08:45,902 INFO L225 Difference]: With dead ends: 5623 [2018-12-02 07:08:45,902 INFO L226 Difference]: Without dead ends: 3542 [2018-12-02 07:08:45,907 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-12-02 07:08:45,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3542 states. [2018-12-02 07:08:45,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3542 to 3503. [2018-12-02 07:08:45,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3503 states. [2018-12-02 07:08:45,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3503 states to 3503 states and 5697 transitions. [2018-12-02 07:08:45,966 INFO L78 Accepts]: Start accepts. Automaton has 3503 states and 5697 transitions. Word has length 127 [2018-12-02 07:08:45,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 07:08:45,966 INFO L480 AbstractCegarLoop]: Abstraction has 3503 states and 5697 transitions. [2018-12-02 07:08:45,966 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 07:08:45,967 INFO L276 IsEmpty]: Start isEmpty. Operand 3503 states and 5697 transitions. [2018-12-02 07:08:45,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-02 07:08:45,969 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 07:08:45,969 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:08:45,969 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 07:08:45,969 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:08:45,969 INFO L82 PathProgramCache]: Analyzing trace with hash 939099681, now seen corresponding path program 1 times [2018-12-02 07:08:45,969 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 07:08:45,970 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:08:45,970 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:08:45,970 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:08:45,970 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 07:08:45,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:08:46,069 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 07:08:46,070 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 07:08:46,070 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 07:08:46,070 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 07:08:46,070 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 07:08:46,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 07:08:46,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 07:08:46,071 INFO L87 Difference]: Start difference. First operand 3503 states and 5697 transitions. Second operand 6 states. [2018-12-02 07:08:47,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 07:08:47,259 INFO L93 Difference]: Finished difference Result 7817 states and 13132 transitions. [2018-12-02 07:08:47,260 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 07:08:47,260 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 129 [2018-12-02 07:08:47,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 07:08:47,270 INFO L225 Difference]: With dead ends: 7817 [2018-12-02 07:08:47,270 INFO L226 Difference]: Without dead ends: 4320 [2018-12-02 07:08:47,276 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-02 07:08:47,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4320 states. [2018-12-02 07:08:47,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4320 to 4279. [2018-12-02 07:08:47,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4279 states. [2018-12-02 07:08:47,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4279 states to 4279 states and 6768 transitions. [2018-12-02 07:08:47,336 INFO L78 Accepts]: Start accepts. Automaton has 4279 states and 6768 transitions. Word has length 129 [2018-12-02 07:08:47,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 07:08:47,336 INFO L480 AbstractCegarLoop]: Abstraction has 4279 states and 6768 transitions. [2018-12-02 07:08:47,336 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 07:08:47,336 INFO L276 IsEmpty]: Start isEmpty. Operand 4279 states and 6768 transitions. [2018-12-02 07:08:47,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-12-02 07:08:47,337 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 07:08:47,337 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:08:47,337 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 07:08:47,338 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:08:47,338 INFO L82 PathProgramCache]: Analyzing trace with hash 1902020488, now seen corresponding path program 1 times [2018-12-02 07:08:47,338 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 07:08:47,338 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:08:47,338 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:08:47,338 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:08:47,338 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 07:08:47,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:08:47,409 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 07:08:47,409 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 07:08:47,410 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 07:08:47,410 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 07:08:47,410 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 07:08:47,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 07:08:47,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 07:08:47,410 INFO L87 Difference]: Start difference. First operand 4279 states and 6768 transitions. Second operand 6 states. [2018-12-02 07:08:48,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 07:08:48,657 INFO L93 Difference]: Finished difference Result 11663 states and 19030 transitions. [2018-12-02 07:08:48,657 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 07:08:48,657 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 132 [2018-12-02 07:08:48,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 07:08:48,681 INFO L225 Difference]: With dead ends: 11663 [2018-12-02 07:08:48,681 INFO L226 Difference]: Without dead ends: 7390 [2018-12-02 07:08:48,690 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-02 07:08:48,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7390 states. [2018-12-02 07:08:48,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7390 to 7362. [2018-12-02 07:08:48,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7362 states. [2018-12-02 07:08:48,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7362 states to 7362 states and 10905 transitions. [2018-12-02 07:08:48,800 INFO L78 Accepts]: Start accepts. Automaton has 7362 states and 10905 transitions. Word has length 132 [2018-12-02 07:08:48,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 07:08:48,800 INFO L480 AbstractCegarLoop]: Abstraction has 7362 states and 10905 transitions. [2018-12-02 07:08:48,800 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 07:08:48,800 INFO L276 IsEmpty]: Start isEmpty. Operand 7362 states and 10905 transitions. [2018-12-02 07:08:48,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-12-02 07:08:48,801 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 07:08:48,801 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:08:48,801 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 07:08:48,801 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:08:48,801 INFO L82 PathProgramCache]: Analyzing trace with hash -1440393839, now seen corresponding path program 1 times [2018-12-02 07:08:48,802 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 07:08:48,802 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:08:48,802 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:08:48,802 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:08:48,802 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 07:08:48,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:08:48,872 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 07:08:48,872 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 07:08:48,872 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 07:08:48,873 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 07:08:48,873 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 07:08:48,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 07:08:48,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 07:08:48,873 INFO L87 Difference]: Start difference. First operand 7362 states and 10905 transitions. Second operand 6 states. [2018-12-02 07:08:50,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 07:08:50,091 INFO L93 Difference]: Finished difference Result 16133 states and 24072 transitions. [2018-12-02 07:08:50,091 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 07:08:50,092 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 137 [2018-12-02 07:08:50,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 07:08:50,116 INFO L225 Difference]: With dead ends: 16133 [2018-12-02 07:08:50,116 INFO L226 Difference]: Without dead ends: 8777 [2018-12-02 07:08:50,126 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-02 07:08:50,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8777 states. [2018-12-02 07:08:50,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8777 to 7746. [2018-12-02 07:08:50,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7746 states. [2018-12-02 07:08:50,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7746 states to 7746 states and 10527 transitions. [2018-12-02 07:08:50,226 INFO L78 Accepts]: Start accepts. Automaton has 7746 states and 10527 transitions. Word has length 137 [2018-12-02 07:08:50,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 07:08:50,226 INFO L480 AbstractCegarLoop]: Abstraction has 7746 states and 10527 transitions. [2018-12-02 07:08:50,226 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 07:08:50,226 INFO L276 IsEmpty]: Start isEmpty. Operand 7746 states and 10527 transitions. [2018-12-02 07:08:50,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-02 07:08:50,227 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 07:08:50,227 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:08:50,227 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 07:08:50,227 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:08:50,227 INFO L82 PathProgramCache]: Analyzing trace with hash -37681811, now seen corresponding path program 1 times [2018-12-02 07:08:50,227 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 07:08:50,228 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:08:50,228 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:08:50,228 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:08:50,228 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 07:08:50,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:08:50,274 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 07:08:50,274 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 07:08:50,274 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 07:08:50,275 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 140 with the following transitions: [2018-12-02 07:08:50,276 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [471], [473], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [760], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 07:08:50,301 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 07:08:50,301 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 07:08:50,628 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 07:08:50,629 INFO L272 AbstractInterpreter]: Visited 98 different actions 281 times. Merged at 4 different actions 7 times. Never widened. Performed 2536 root evaluator evaluations with a maximum evaluation depth of 7. Performed 2536 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-02 07:08:50,634 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:08:50,634 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 07:08:50,778 INFO L227 lantSequenceWeakener]: Weakened 136 states. On average, predicates are now at 80.99% of their original sizes. [2018-12-02 07:08:50,778 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 07:08:50,812 INFO L418 sIntCurrentIteration]: We unified 138 AI predicates to 138 [2018-12-02 07:08:50,812 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 07:08:50,813 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 07:08:50,813 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [4] total 12 [2018-12-02 07:08:50,813 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 07:08:50,813 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 07:08:50,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 07:08:50,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 07:08:50,814 INFO L87 Difference]: Start difference. First operand 7746 states and 10527 transitions. Second operand 10 states. [2018-12-02 07:10:31,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 07:10:31,842 INFO L93 Difference]: Finished difference Result 17964 states and 24291 transitions. [2018-12-02 07:10:31,842 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-02 07:10:31,842 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 139 [2018-12-02 07:10:31,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 07:10:31,862 INFO L225 Difference]: With dead ends: 17964 [2018-12-02 07:10:31,862 INFO L226 Difference]: Without dead ends: 10224 [2018-12-02 07:10:31,872 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 148 GetRequests, 130 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 07:10:31,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10224 states. [2018-12-02 07:10:32,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10224 to 9115. [2018-12-02 07:10:32,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9115 states. [2018-12-02 07:10:32,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9115 states to 9115 states and 11918 transitions. [2018-12-02 07:10:32,024 INFO L78 Accepts]: Start accepts. Automaton has 9115 states and 11918 transitions. Word has length 139 [2018-12-02 07:10:32,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 07:10:32,024 INFO L480 AbstractCegarLoop]: Abstraction has 9115 states and 11918 transitions. [2018-12-02 07:10:32,024 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 07:10:32,024 INFO L276 IsEmpty]: Start isEmpty. Operand 9115 states and 11918 transitions. [2018-12-02 07:10:32,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 532 [2018-12-02 07:10:32,030 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 07:10:32,030 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 07:10:32,031 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 07:10:32,031 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:10:32,031 INFO L82 PathProgramCache]: Analyzing trace with hash 99438209, now seen corresponding path program 1 times [2018-12-02 07:10:32,031 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 07:10:32,031 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:10:32,031 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:10:32,032 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:10:32,032 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 07:10:32,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:10:32,252 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 354 proven. 2 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2018-12-02 07:10:32,252 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 07:10:32,252 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 07:10:32,253 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 532 with the following transitions: [2018-12-02 07:10:32,253 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [471], [473], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 07:10:32,258 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 07:10:32,258 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 07:10:32,705 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 07:10:32,705 INFO L272 AbstractInterpreter]: Visited 249 different actions 987 times. Merged at 7 different actions 23 times. Never widened. Performed 11587 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11587 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 6 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-02 07:10:32,708 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:10:32,709 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 07:10:32,709 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 07:10:32,709 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6cd3ff41-b783-4ea5-a85a-a085a3405041/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 07:10:32,716 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:10:32,716 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 07:10:32,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:10:32,804 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 07:10:32,947 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 354 proven. 2 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2018-12-02 07:10:32,947 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 07:10:33,145 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 354 proven. 2 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2018-12-02 07:10:33,161 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 07:10:33,161 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-12-02 07:10:33,161 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 07:10:33,162 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 07:10:33,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 07:10:33,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-12-02 07:10:33,162 INFO L87 Difference]: Start difference. First operand 9115 states and 11918 transitions. Second operand 9 states. [2018-12-02 07:10:35,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 07:10:35,585 INFO L93 Difference]: Finished difference Result 23983 states and 33421 transitions. [2018-12-02 07:10:35,585 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-02 07:10:35,585 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 531 [2018-12-02 07:10:35,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 07:10:35,618 INFO L225 Difference]: With dead ends: 23983 [2018-12-02 07:10:35,618 INFO L226 Difference]: Without dead ends: 14874 [2018-12-02 07:10:35,632 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1083 GetRequests, 1065 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2018-12-02 07:10:35,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14874 states. [2018-12-02 07:10:35,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14874 to 13116. [2018-12-02 07:10:35,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13116 states. [2018-12-02 07:10:35,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13116 states to 13116 states and 17216 transitions. [2018-12-02 07:10:35,838 INFO L78 Accepts]: Start accepts. Automaton has 13116 states and 17216 transitions. Word has length 531 [2018-12-02 07:10:35,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 07:10:35,839 INFO L480 AbstractCegarLoop]: Abstraction has 13116 states and 17216 transitions. [2018-12-02 07:10:35,839 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 07:10:35,839 INFO L276 IsEmpty]: Start isEmpty. Operand 13116 states and 17216 transitions. [2018-12-02 07:10:35,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 874 [2018-12-02 07:10:35,862 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 07:10:35,862 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-02 07:10:35,862 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 07:10:35,862 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:10:35,862 INFO L82 PathProgramCache]: Analyzing trace with hash -1440315744, now seen corresponding path program 1 times [2018-12-02 07:10:35,862 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 07:10:35,863 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:10:35,863 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:10:35,863 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:10:35,863 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 07:10:35,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:10:37,121 INFO L134 CoverageAnalysis]: Checked inductivity of 1219 backedges. 409 proven. 660 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2018-12-02 07:10:37,121 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 07:10:37,121 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 07:10:37,121 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 874 with the following transitions: [2018-12-02 07:10:37,122 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [471], [473], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1392], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 07:10:37,127 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 07:10:37,127 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 07:10:37,349 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 07:10:37,349 INFO L272 AbstractInterpreter]: Visited 259 different actions 512 times. Merged at 4 different actions 4 times. Never widened. Performed 5487 root evaluator evaluations with a maximum evaluation depth of 15. Performed 5487 inverse root evaluator evaluations with a maximum inverse evaluation depth of 15. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-02 07:10:37,353 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:10:37,353 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 07:10:37,827 INFO L227 lantSequenceWeakener]: Weakened 870 states. On average, predicates are now at 77.46% of their original sizes. [2018-12-02 07:10:37,827 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 07:10:37,877 INFO L418 sIntCurrentIteration]: We unified 872 AI predicates to 872 [2018-12-02 07:10:37,877 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 07:10:37,878 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 07:10:37,878 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [14] total 22 [2018-12-02 07:10:37,878 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 07:10:37,878 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 07:10:37,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 07:10:37,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 07:10:37,879 INFO L87 Difference]: Start difference. First operand 13116 states and 17216 transitions. Second operand 10 states. [2018-12-02 07:11:34,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 07:11:34,798 INFO L93 Difference]: Finished difference Result 26904 states and 35152 transitions. [2018-12-02 07:11:34,798 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-02 07:11:34,798 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 873 [2018-12-02 07:11:34,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 07:11:34,824 INFO L225 Difference]: With dead ends: 26904 [2018-12-02 07:11:34,824 INFO L226 Difference]: Without dead ends: 13794 [2018-12-02 07:11:34,841 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 880 GetRequests, 864 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-12-02 07:11:34,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13794 states. [2018-12-02 07:11:34,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13794 to 13792. [2018-12-02 07:11:34,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13792 states. [2018-12-02 07:11:35,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13792 states to 13792 states and 17920 transitions. [2018-12-02 07:11:35,010 INFO L78 Accepts]: Start accepts. Automaton has 13792 states and 17920 transitions. Word has length 873 [2018-12-02 07:11:35,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 07:11:35,010 INFO L480 AbstractCegarLoop]: Abstraction has 13792 states and 17920 transitions. [2018-12-02 07:11:35,011 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 07:11:35,011 INFO L276 IsEmpty]: Start isEmpty. Operand 13792 states and 17920 transitions. [2018-12-02 07:11:35,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 882 [2018-12-02 07:11:35,028 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 07:11:35,029 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 07:11:35,029 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 07:11:35,029 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:11:35,029 INFO L82 PathProgramCache]: Analyzing trace with hash -1585976816, now seen corresponding path program 1 times [2018-12-02 07:11:35,029 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 07:11:35,030 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:11:35,030 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:11:35,030 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:11:35,030 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 07:11:35,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:11:35,634 INFO L134 CoverageAnalysis]: Checked inductivity of 1227 backedges. 451 proven. 578 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2018-12-02 07:11:35,634 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 07:11:35,634 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 07:11:35,634 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 882 with the following transitions: [2018-12-02 07:11:35,635 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [471], [473], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1385], [1389], [1392], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 07:11:35,637 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 07:11:35,638 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 07:11:35,932 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 07:11:35,932 INFO L272 AbstractInterpreter]: Visited 259 different actions 764 times. Merged at 4 different actions 7 times. Never widened. Performed 8948 root evaluator evaluations with a maximum evaluation depth of 15. Performed 8948 inverse root evaluator evaluations with a maximum inverse evaluation depth of 15. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-02 07:11:35,936 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:11:35,936 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 07:11:36,348 INFO L227 lantSequenceWeakener]: Weakened 878 states. On average, predicates are now at 80.17% of their original sizes. [2018-12-02 07:11:36,348 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 07:11:36,380 INFO L418 sIntCurrentIteration]: We unified 880 AI predicates to 880 [2018-12-02 07:11:36,380 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 07:11:36,380 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 07:11:36,380 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2018-12-02 07:11:36,380 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 07:11:36,380 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 07:11:36,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 07:11:36,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-02 07:11:36,381 INFO L87 Difference]: Start difference. First operand 13792 states and 17920 transitions. Second operand 9 states. [2018-12-02 07:12:19,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 07:12:19,558 INFO L93 Difference]: Finished difference Result 27252 states and 35517 transitions. [2018-12-02 07:12:19,558 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-02 07:12:19,558 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 881 [2018-12-02 07:12:19,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 07:12:19,583 INFO L225 Difference]: With dead ends: 27252 [2018-12-02 07:12:19,583 INFO L226 Difference]: Without dead ends: 14142 [2018-12-02 07:12:19,596 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 887 GetRequests, 873 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-12-02 07:12:19,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14142 states. [2018-12-02 07:12:19,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14142 to 14135. [2018-12-02 07:12:19,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14135 states. [2018-12-02 07:12:19,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14135 states to 14135 states and 18288 transitions. [2018-12-02 07:12:19,755 INFO L78 Accepts]: Start accepts. Automaton has 14135 states and 18288 transitions. Word has length 881 [2018-12-02 07:12:19,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 07:12:19,756 INFO L480 AbstractCegarLoop]: Abstraction has 14135 states and 18288 transitions. [2018-12-02 07:12:19,756 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 07:12:19,756 INFO L276 IsEmpty]: Start isEmpty. Operand 14135 states and 18288 transitions. [2018-12-02 07:12:19,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 965 [2018-12-02 07:12:19,765 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 07:12:19,765 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-02 07:12:19,765 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 07:12:19,765 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:12:19,765 INFO L82 PathProgramCache]: Analyzing trace with hash -938021096, now seen corresponding path program 1 times [2018-12-02 07:12:19,765 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 07:12:19,766 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:12:19,766 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:12:19,766 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:12:19,766 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 07:12:19,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:12:20,854 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 306 proven. 572 refuted. 0 times theorem prover too weak. 746 trivial. 0 not checked. [2018-12-02 07:12:20,854 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 07:12:20,855 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 07:12:20,855 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 965 with the following transitions: [2018-12-02 07:12:20,855 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [471], [473], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [760], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1392], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 07:12:20,857 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 07:12:20,857 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 07:12:21,325 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 07:12:21,325 INFO L272 AbstractInterpreter]: Visited 261 different actions 1303 times. Merged at 9 different actions 41 times. Never widened. Performed 15879 root evaluator evaluations with a maximum evaluation depth of 15. Performed 15879 inverse root evaluator evaluations with a maximum inverse evaluation depth of 15. Found 13 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-02 07:12:21,326 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:12:21,326 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 07:12:21,326 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 07:12:21,326 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6cd3ff41-b783-4ea5-a85a-a085a3405041/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 07:12:21,332 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:12:21,332 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 07:12:21,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:12:21,441 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 07:12:21,708 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 1017 proven. 2 refuted. 0 times theorem prover too weak. 605 trivial. 0 not checked. [2018-12-02 07:12:21,708 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 07:12:22,103 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 306 proven. 572 refuted. 0 times theorem prover too weak. 746 trivial. 0 not checked. [2018-12-02 07:12:22,119 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 07:12:22,119 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 18 [2018-12-02 07:12:22,119 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 07:12:22,120 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-02 07:12:22,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-02 07:12:22,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=240, Unknown=0, NotChecked=0, Total=306 [2018-12-02 07:12:22,120 INFO L87 Difference]: Start difference. First operand 14135 states and 18288 transitions. Second operand 15 states. [2018-12-02 07:12:27,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 07:12:27,600 INFO L93 Difference]: Finished difference Result 30245 states and 39106 transitions. [2018-12-02 07:12:27,601 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-12-02 07:12:27,601 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 964 [2018-12-02 07:12:27,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 07:12:27,624 INFO L225 Difference]: With dead ends: 30245 [2018-12-02 07:12:27,624 INFO L226 Difference]: Without dead ends: 15016 [2018-12-02 07:12:27,644 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2000 GetRequests, 1948 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 760 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=629, Invalid=2233, Unknown=0, NotChecked=0, Total=2862 [2018-12-02 07:12:27,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15016 states. [2018-12-02 07:12:27,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15016 to 14264. [2018-12-02 07:12:27,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14264 states. [2018-12-02 07:12:27,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14264 states to 14264 states and 16052 transitions. [2018-12-02 07:12:27,810 INFO L78 Accepts]: Start accepts. Automaton has 14264 states and 16052 transitions. Word has length 964 [2018-12-02 07:12:27,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 07:12:27,810 INFO L480 AbstractCegarLoop]: Abstraction has 14264 states and 16052 transitions. [2018-12-02 07:12:27,810 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-02 07:12:27,810 INFO L276 IsEmpty]: Start isEmpty. Operand 14264 states and 16052 transitions. [2018-12-02 07:12:27,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 977 [2018-12-02 07:12:27,819 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 07:12:27,819 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 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 07:12:27,819 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 07:12:27,820 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:12:27,820 INFO L82 PathProgramCache]: Analyzing trace with hash 1399044912, now seen corresponding path program 1 times [2018-12-02 07:12:27,820 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 07:12:27,820 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:12:27,820 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:12:27,820 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:12:27,820 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 07:12:27,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:12:28,274 INFO L134 CoverageAnalysis]: Checked inductivity of 1760 backedges. 767 proven. 2 refuted. 0 times theorem prover too weak. 991 trivial. 0 not checked. [2018-12-02 07:12:28,275 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 07:12:28,275 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 07:12:28,275 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 977 with the following transitions: [2018-12-02 07:12:28,275 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [471], [473], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 07:12:28,277 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 07:12:28,277 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 07:12:28,742 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 07:12:28,742 INFO L272 AbstractInterpreter]: Visited 251 different actions 1003 times. Merged at 9 different actions 31 times. Widened at 1 different actions 1 times. Performed 11753 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11753 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 10 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-02 07:12:28,746 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:12:28,746 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 07:12:28,746 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 07:12:28,746 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6cd3ff41-b783-4ea5-a85a-a085a3405041/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 07:12:28,751 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:12:28,751 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 07:12:28,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:12:28,866 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 07:12:29,157 INFO L134 CoverageAnalysis]: Checked inductivity of 1760 backedges. 767 proven. 2 refuted. 0 times theorem prover too weak. 991 trivial. 0 not checked. [2018-12-02 07:12:29,157 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 07:12:29,475 INFO L134 CoverageAnalysis]: Checked inductivity of 1760 backedges. 767 proven. 2 refuted. 0 times theorem prover too weak. 991 trivial. 0 not checked. [2018-12-02 07:12:29,490 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 07:12:29,490 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 11 [2018-12-02 07:12:29,490 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 07:12:29,491 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 07:12:29,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 07:12:29,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-12-02 07:12:29,491 INFO L87 Difference]: Start difference. First operand 14264 states and 16052 transitions. Second operand 10 states. [2018-12-02 07:12:30,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 07:12:30,864 INFO L93 Difference]: Finished difference Result 29909 states and 33934 transitions. [2018-12-02 07:12:30,864 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-02 07:12:30,864 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 976 [2018-12-02 07:12:30,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 07:12:30,893 INFO L225 Difference]: With dead ends: 29909 [2018-12-02 07:12:30,894 INFO L226 Difference]: Without dead ends: 16327 [2018-12-02 07:12:30,916 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1983 GetRequests, 1959 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=139, Invalid=323, Unknown=0, NotChecked=0, Total=462 [2018-12-02 07:12:30,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16327 states. [2018-12-02 07:12:31,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16327 to 16287. [2018-12-02 07:12:31,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16287 states. [2018-12-02 07:12:31,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16287 states to 16287 states and 17959 transitions. [2018-12-02 07:12:31,078 INFO L78 Accepts]: Start accepts. Automaton has 16287 states and 17959 transitions. Word has length 976 [2018-12-02 07:12:31,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 07:12:31,079 INFO L480 AbstractCegarLoop]: Abstraction has 16287 states and 17959 transitions. [2018-12-02 07:12:31,079 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 07:12:31,079 INFO L276 IsEmpty]: Start isEmpty. Operand 16287 states and 17959 transitions. [2018-12-02 07:12:31,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 996 [2018-12-02 07:12:31,088 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 07:12:31,088 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-02 07:12:31,088 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 07:12:31,088 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:12:31,088 INFO L82 PathProgramCache]: Analyzing trace with hash -423808070, now seen corresponding path program 1 times [2018-12-02 07:12:31,088 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 07:12:31,089 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:12:31,089 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:12:31,089 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:12:31,089 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 07:12:31,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:12:31,547 INFO L134 CoverageAnalysis]: Checked inductivity of 2049 backedges. 756 proven. 142 refuted. 0 times theorem prover too weak. 1151 trivial. 0 not checked. [2018-12-02 07:12:31,547 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 07:12:31,547 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 07:12:31,547 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 996 with the following transitions: [2018-12-02 07:12:31,548 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [471], [473], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [676], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 07:12:31,549 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 07:12:31,549 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 07:12:31,948 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 07:12:31,949 INFO L272 AbstractInterpreter]: Visited 252 different actions 1012 times. Merged at 10 different actions 36 times. Never widened. Performed 11802 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11802 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 12 fixpoints after 4 different actions. Largest state had 24 variables. [2018-12-02 07:12:31,950 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:12:31,950 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 07:12:31,950 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 07:12:31,950 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6cd3ff41-b783-4ea5-a85a-a085a3405041/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 07:12:31,956 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:12:31,956 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 07:12:32,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:12:32,057 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 07:12:32,324 INFO L134 CoverageAnalysis]: Checked inductivity of 2049 backedges. 1323 proven. 2 refuted. 0 times theorem prover too weak. 724 trivial. 0 not checked. [2018-12-02 07:12:32,324 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 07:12:32,655 INFO L134 CoverageAnalysis]: Checked inductivity of 2049 backedges. 756 proven. 142 refuted. 0 times theorem prover too weak. 1151 trivial. 0 not checked. [2018-12-02 07:12:32,670 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 07:12:32,671 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-02 07:12:32,671 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 07:12:32,671 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 07:12:32,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 07:12:32,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-12-02 07:12:32,672 INFO L87 Difference]: Start difference. First operand 16287 states and 17959 transitions. Second operand 9 states. [2018-12-02 07:12:34,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 07:12:34,640 INFO L93 Difference]: Finished difference Result 36226 states and 40708 transitions. [2018-12-02 07:12:34,640 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-02 07:12:34,640 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 995 [2018-12-02 07:12:34,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 07:12:34,671 INFO L225 Difference]: With dead ends: 36226 [2018-12-02 07:12:34,671 INFO L226 Difference]: Without dead ends: 20621 [2018-12-02 07:12:34,691 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2013 GetRequests, 1994 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=113, Invalid=229, Unknown=0, NotChecked=0, Total=342 [2018-12-02 07:12:34,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20621 states. [2018-12-02 07:12:34,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20621 to 18995. [2018-12-02 07:12:34,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18995 states. [2018-12-02 07:12:34,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18995 states to 18995 states and 20709 transitions. [2018-12-02 07:12:34,897 INFO L78 Accepts]: Start accepts. Automaton has 18995 states and 20709 transitions. Word has length 995 [2018-12-02 07:12:34,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 07:12:34,898 INFO L480 AbstractCegarLoop]: Abstraction has 18995 states and 20709 transitions. [2018-12-02 07:12:34,898 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 07:12:34,898 INFO L276 IsEmpty]: Start isEmpty. Operand 18995 states and 20709 transitions. [2018-12-02 07:12:34,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1054 [2018-12-02 07:12:34,908 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 07:12:34,909 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-02 07:12:34,909 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 07:12:34,909 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:12:34,909 INFO L82 PathProgramCache]: Analyzing trace with hash -1738042410, now seen corresponding path program 1 times [2018-12-02 07:12:34,909 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 07:12:34,910 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:12:34,910 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:12:34,910 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:12:34,910 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 07:12:34,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:12:35,273 INFO L134 CoverageAnalysis]: Checked inductivity of 2271 backedges. 261 proven. 0 refuted. 0 times theorem prover too weak. 2010 trivial. 0 not checked. [2018-12-02 07:12:35,273 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 07:12:35,274 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 07:12:35,274 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 07:12:35,274 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 07:12:35,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 07:12:35,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-02 07:12:35,274 INFO L87 Difference]: Start difference. First operand 18995 states and 20709 transitions. Second operand 4 states. [2018-12-02 07:12:36,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 07:12:36,693 INFO L93 Difference]: Finished difference Result 36103 states and 38949 transitions. [2018-12-02 07:12:36,694 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 07:12:36,694 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1053 [2018-12-02 07:12:36,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 07:12:36,714 INFO L225 Difference]: With dead ends: 36103 [2018-12-02 07:12:36,714 INFO L226 Difference]: Without dead ends: 17451 [2018-12-02 07:12:36,733 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-02 07:12:36,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17451 states. [2018-12-02 07:12:36,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17451 to 15072. [2018-12-02 07:12:36,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15072 states. [2018-12-02 07:12:36,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15072 states to 15072 states and 15834 transitions. [2018-12-02 07:12:36,862 INFO L78 Accepts]: Start accepts. Automaton has 15072 states and 15834 transitions. Word has length 1053 [2018-12-02 07:12:36,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 07:12:36,863 INFO L480 AbstractCegarLoop]: Abstraction has 15072 states and 15834 transitions. [2018-12-02 07:12:36,863 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 07:12:36,863 INFO L276 IsEmpty]: Start isEmpty. Operand 15072 states and 15834 transitions. [2018-12-02 07:12:36,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1075 [2018-12-02 07:12:36,872 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 07:12:36,872 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 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 07:12:36,872 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 07:12:36,873 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:12:36,873 INFO L82 PathProgramCache]: Analyzing trace with hash 459646137, now seen corresponding path program 1 times [2018-12-02 07:12:36,873 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 07:12:36,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:12:36,873 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:12:36,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:12:36,873 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 07:12:36,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:12:37,549 INFO L134 CoverageAnalysis]: Checked inductivity of 2128 backedges. 976 proven. 583 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2018-12-02 07:12:37,550 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 07:12:37,550 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 07:12:37,550 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1075 with the following transitions: [2018-12-02 07:12:37,550 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [471], [473], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [676], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1396], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 07:12:37,553 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 07:12:37,553 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 07:12:38,028 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 07:12:38,028 INFO L272 AbstractInterpreter]: Visited 263 different actions 1057 times. Merged at 10 different actions 37 times. Widened at 1 different actions 1 times. Performed 12545 root evaluator evaluations with a maximum evaluation depth of 18. Performed 12545 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 12 fixpoints after 4 different actions. Largest state had 24 variables. [2018-12-02 07:12:38,029 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:12:38,029 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 07:12:38,029 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 07:12:38,029 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6cd3ff41-b783-4ea5-a85a-a085a3405041/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 07:12:38,035 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:12:38,035 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 07:12:38,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:12:38,146 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 07:12:38,400 INFO L134 CoverageAnalysis]: Checked inductivity of 2128 backedges. 261 proven. 0 refuted. 0 times theorem prover too weak. 1867 trivial. 0 not checked. [2018-12-02 07:12:38,400 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 07:12:38,704 INFO L134 CoverageAnalysis]: Checked inductivity of 2128 backedges. 261 proven. 0 refuted. 0 times theorem prover too weak. 1867 trivial. 0 not checked. [2018-12-02 07:12:38,720 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-02 07:12:38,720 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 9 [2018-12-02 07:12:38,720 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 07:12:38,721 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 07:12:38,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 07:12:38,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-12-02 07:12:38,721 INFO L87 Difference]: Start difference. First operand 15072 states and 15834 transitions. Second operand 3 states. [2018-12-02 07:12:39,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 07:12:39,320 INFO L93 Difference]: Finished difference Result 29462 states and 30976 transitions. [2018-12-02 07:12:39,320 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 07:12:39,320 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1074 [2018-12-02 07:12:39,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 07:12:39,336 INFO L225 Difference]: With dead ends: 29462 [2018-12-02 07:12:39,336 INFO L226 Difference]: Without dead ends: 15072 [2018-12-02 07:12:39,346 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2160 GetRequests, 2149 SyntacticMatches, 4 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-12-02 07:12:39,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15072 states. [2018-12-02 07:12:39,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15072 to 15072. [2018-12-02 07:12:39,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15072 states. [2018-12-02 07:12:39,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15072 states to 15072 states and 15698 transitions. [2018-12-02 07:12:39,459 INFO L78 Accepts]: Start accepts. Automaton has 15072 states and 15698 transitions. Word has length 1074 [2018-12-02 07:12:39,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 07:12:39,460 INFO L480 AbstractCegarLoop]: Abstraction has 15072 states and 15698 transitions. [2018-12-02 07:12:39,460 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 07:12:39,460 INFO L276 IsEmpty]: Start isEmpty. Operand 15072 states and 15698 transitions. [2018-12-02 07:12:39,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1472 [2018-12-02 07:12:39,474 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 07:12:39,474 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-02 07:12:39,474 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 07:12:39,474 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:12:39,475 INFO L82 PathProgramCache]: Analyzing trace with hash -2061493303, now seen corresponding path program 1 times [2018-12-02 07:12:39,475 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 07:12:39,475 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:12:39,475 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:12:39,475 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:12:39,475 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 07:12:39,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:12:40,127 INFO L134 CoverageAnalysis]: Checked inductivity of 3916 backedges. 305 proven. 0 refuted. 0 times theorem prover too weak. 3611 trivial. 0 not checked. [2018-12-02 07:12:40,127 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 07:12:40,128 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 07:12:40,128 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 07:12:40,128 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 07:12:40,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 07:12:40,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-02 07:12:40,128 INFO L87 Difference]: Start difference. First operand 15072 states and 15698 transitions. Second operand 4 states. [2018-12-02 07:12:41,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 07:12:41,196 INFO L93 Difference]: Finished difference Result 37570 states and 39260 transitions. [2018-12-02 07:12:41,196 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 07:12:41,196 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1471 [2018-12-02 07:12:41,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 07:12:41,222 INFO L225 Difference]: With dead ends: 37570 [2018-12-02 07:12:41,222 INFO L226 Difference]: Without dead ends: 22841 [2018-12-02 07:12:41,234 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-02 07:12:41,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22841 states. [2018-12-02 07:12:41,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22841 to 19802. [2018-12-02 07:12:41,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19802 states. [2018-12-02 07:12:41,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19802 states to 19802 states and 20625 transitions. [2018-12-02 07:12:41,400 INFO L78 Accepts]: Start accepts. Automaton has 19802 states and 20625 transitions. Word has length 1471 [2018-12-02 07:12:41,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 07:12:41,401 INFO L480 AbstractCegarLoop]: Abstraction has 19802 states and 20625 transitions. [2018-12-02 07:12:41,401 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 07:12:41,401 INFO L276 IsEmpty]: Start isEmpty. Operand 19802 states and 20625 transitions. [2018-12-02 07:12:41,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1687 [2018-12-02 07:12:41,420 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 07:12:41,420 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-02 07:12:41,421 INFO L423 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 07:12:41,421 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:12:41,421 INFO L82 PathProgramCache]: Analyzing trace with hash -1963474763, now seen corresponding path program 1 times [2018-12-02 07:12:41,421 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 07:12:41,422 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:12:41,422 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:12:41,422 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:12:41,422 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 07:12:41,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:12:43,269 INFO L134 CoverageAnalysis]: Checked inductivity of 5197 backedges. 1998 proven. 669 refuted. 0 times theorem prover too weak. 2530 trivial. 0 not checked. [2018-12-02 07:12:43,269 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 07:12:43,270 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 07:12:43,270 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1687 with the following transitions: [2018-12-02 07:12:43,270 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [471], [473], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1036], [1037], [1041], [1045], [1049], [1053], [1056], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1412], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 07:12:43,272 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 07:12:43,272 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 07:12:44,035 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 07:12:44,036 INFO L272 AbstractInterpreter]: Visited 288 different actions 1154 times. Merged at 10 different actions 34 times. Widened at 1 different actions 1 times. Performed 13869 root evaluator evaluations with a maximum evaluation depth of 22. Performed 13869 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 13 fixpoints after 7 different actions. Largest state had 24 variables. [2018-12-02 07:12:44,037 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:12:44,037 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 07:12:44,037 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 07:12:44,037 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6cd3ff41-b783-4ea5-a85a-a085a3405041/bin-2019/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 07:12:44,043 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:12:44,043 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 07:12:44,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:12:44,215 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 07:12:45,230 INFO L134 CoverageAnalysis]: Checked inductivity of 5197 backedges. 3593 proven. 2 refuted. 0 times theorem prover too weak. 1602 trivial. 0 not checked. [2018-12-02 07:12:45,230 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 07:12:47,540 INFO L134 CoverageAnalysis]: Checked inductivity of 5197 backedges. 1169 proven. 575 refuted. 0 times theorem prover too weak. 3453 trivial. 0 not checked. [2018-12-02 07:12:47,556 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 07:12:47,556 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 5, 5] total 19 [2018-12-02 07:12:47,556 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 07:12:47,557 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-12-02 07:12:47,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-12-02 07:12:47,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-12-02 07:12:47,558 INFO L87 Difference]: Start difference. First operand 19802 states and 20625 transitions. Second operand 17 states. [2018-12-02 07:12:55,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 07:12:55,305 INFO L93 Difference]: Finished difference Result 39710 states and 41484 transitions. [2018-12-02 07:12:55,306 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-12-02 07:12:55,306 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 1686 [2018-12-02 07:12:55,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 07:12:55,306 INFO L225 Difference]: With dead ends: 39710 [2018-12-02 07:12:55,307 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 07:12:55,326 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3456 GetRequests, 3401 SyntacticMatches, 5 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 682 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=483, Invalid=2169, Unknown=0, NotChecked=0, Total=2652 [2018-12-02 07:12:55,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 07:12:55,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 07:12:55,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 07:12:55,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 07:12:55,326 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1686 [2018-12-02 07:12:55,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 07:12:55,326 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 07:12:55,326 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-12-02 07:12:55,326 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 07:12:55,326 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 07:12:55,329 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 07:12:55,345 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:12:55,370 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:12:55,376 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:12:55,386 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:12:55,392 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:12:55,423 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:12:55,438 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:12:55,460 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:12:55,470 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:12:55,480 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:12:55,482 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:12:55,492 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:12:55,571 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:12:55,602 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:12:55,686 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:12:55,693 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:12:55,766 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:12:55,908 WARN L180 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 458 [2018-12-02 07:12:55,942 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:12:55,946 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:12:55,971 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:12:55,971 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:12:55,972 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:12:55,977 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:12:55,983 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:12:56,001 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:12:56,002 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:12:56,002 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:12:56,011 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:12:56,031 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:12:56,039 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:12:56,049 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:12:56,049 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:12:56,049 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:12:56,085 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:12:56,089 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:12:56,090 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:12:56,090 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:12:56,094 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:12:56,127 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:12:56,140 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:12:56,147 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:12:56,186 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:12:56,202 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:12:56,249 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:12:56,275 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:12:56,281 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:12:56,284 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:12:56,304 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:12:56,347 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:12:56,383 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:12:56,404 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:12:56,419 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:12:56,428 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:12:56,447 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:12:56,452 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:12:56,454 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:12:56,480 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:12:56,495 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:12:56,495 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:12:56,500 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:12:56,513 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:12:56,522 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:12:56,523 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:12:56,530 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:12:56,631 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:12:56,659 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:12:56,742 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:12:56,825 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 07:12:56,970 WARN L180 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 556 DAG size of output: 479 [2018-12-02 07:12:58,964 WARN L180 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 438 DAG size of output: 90 [2018-12-02 07:13:01,970 WARN L180 SmtUtils]: Spent 2.96 s on a formula simplification. DAG size of input: 446 DAG size of output: 93 [2018-12-02 07:13:03,994 WARN L180 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 428 DAG size of output: 98 [2018-12-02 07:13:05,831 WARN L180 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 448 DAG size of output: 118 [2018-12-02 07:13:11,405 WARN L180 SmtUtils]: Spent 5.56 s on a formula simplification. DAG size of input: 461 DAG size of output: 86 [2018-12-02 07:13:11,408 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 07:13:11,408 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a16~0)| ~a16~0) (= ~a18~0 |old(~a18~0)|) (= |old(~a15~0)| ~a15~0) (= |old(~a12~0)| ~a12~0)) [2018-12-02 07:13:11,408 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 07:13:11,408 INFO L448 ceAbstractionStarter]: For program point L1497(lines 1497 1763) no Hoare annotation was computed. [2018-12-02 07:13:11,408 INFO L448 ceAbstractionStarter]: For program point calculate_output2EXIT(lines 1494 1765) no Hoare annotation was computed. [2018-12-02 07:13:11,408 INFO L448 ceAbstractionStarter]: For program point L1687(lines 1687 1763) no Hoare annotation was computed. [2018-12-02 07:13:11,408 INFO L448 ceAbstractionStarter]: For program point L1704(lines 1704 1763) no Hoare annotation was computed. [2018-12-02 07:13:11,408 INFO L448 ceAbstractionStarter]: For program point L1638(lines 1638 1763) no Hoare annotation was computed. [2018-12-02 07:13:11,409 INFO L448 ceAbstractionStarter]: For program point L1663(lines 1663 1763) no Hoare annotation was computed. [2018-12-02 07:13:11,409 INFO L448 ceAbstractionStarter]: For program point L1597(lines 1597 1763) no Hoare annotation was computed. [2018-12-02 07:13:11,409 INFO L448 ceAbstractionStarter]: For program point L1721(lines 1721 1763) no Hoare annotation was computed. [2018-12-02 07:13:11,409 INFO L448 ceAbstractionStarter]: For program point L1622(lines 1622 1763) no Hoare annotation was computed. [2018-12-02 07:13:11,409 INFO L448 ceAbstractionStarter]: For program point L1746(lines 1746 1763) no Hoare annotation was computed. [2018-12-02 07:13:11,409 INFO L448 ceAbstractionStarter]: For program point L1515(lines 1515 1763) no Hoare annotation was computed. [2018-12-02 07:13:11,409 INFO L448 ceAbstractionStarter]: For program point L1573(lines 1573 1763) no Hoare annotation was computed. [2018-12-02 07:13:11,409 INFO L448 ceAbstractionStarter]: For program point L1540(lines 1540 1763) no Hoare annotation was computed. [2018-12-02 07:13:11,409 INFO L448 ceAbstractionStarter]: For program point L1656(lines 1656 1763) no Hoare annotation was computed. [2018-12-02 07:13:11,409 INFO L448 ceAbstractionStarter]: For program point L1739(lines 1739 1763) no Hoare annotation was computed. [2018-12-02 07:13:11,409 INFO L448 ceAbstractionStarter]: For program point L1566(lines 1566 1763) no Hoare annotation was computed. [2018-12-02 07:13:11,409 INFO L448 ceAbstractionStarter]: For program point L1591(lines 1591 1763) no Hoare annotation was computed. [2018-12-02 07:13:11,410 INFO L448 ceAbstractionStarter]: For program point L1715(lines 1715 1763) no Hoare annotation was computed. [2018-12-02 07:13:11,410 INFO L448 ceAbstractionStarter]: For program point L1682(lines 1682 1763) no Hoare annotation was computed. [2018-12-02 07:13:11,410 INFO L448 ceAbstractionStarter]: For program point L1616(lines 1616 1763) no Hoare annotation was computed. [2018-12-02 07:13:11,410 INFO L448 ceAbstractionStarter]: For program point L1699(lines 1699 1763) no Hoare annotation was computed. [2018-12-02 07:13:11,410 INFO L448 ceAbstractionStarter]: For program point L1633(lines 1633 1763) no Hoare annotation was computed. [2018-12-02 07:13:11,410 INFO L448 ceAbstractionStarter]: For program point L1534(lines 1534 1763) no Hoare annotation was computed. [2018-12-02 07:13:11,410 INFO L448 ceAbstractionStarter]: For program point L1757(lines 1757 1763) no Hoare annotation was computed. [2018-12-02 07:13:11,410 INFO L448 ceAbstractionStarter]: For program point L1559(lines 1559 1763) no Hoare annotation was computed. [2018-12-02 07:13:11,410 INFO L448 ceAbstractionStarter]: For program point L1675(lines 1675 1763) no Hoare annotation was computed. [2018-12-02 07:13:11,410 INFO L448 ceAbstractionStarter]: For program point L1609(lines 1609 1763) no Hoare annotation was computed. [2018-12-02 07:13:11,410 INFO L448 ceAbstractionStarter]: For program point L1510(lines 1510 1763) no Hoare annotation was computed. [2018-12-02 07:13:11,410 INFO L448 ceAbstractionStarter]: For program point L1733(lines 1733 1763) no Hoare annotation was computed. [2018-12-02 07:13:11,411 INFO L444 ceAbstractionStarter]: At program point calculate_output2ENTRY(lines 1494 1765) the Hoare annotation is: (let ((.cse11 (= |old(~a15~0)| ~a15~0)) (.cse12 (= ~a16~0 |old(~a16~0)|)) (.cse6 (= ~a18~0 |old(~a18~0)|)) (.cse7 (= |old(~a12~0)| ~a12~0)) (.cse2 (= 7 |old(~a12~0)|)) (.cse23 (= 5 |old(~a12~0)|)) (.cse19 (= 8 |old(~a16~0)|)) (.cse24 (= 3 |old(~a15~0)|))) (let ((.cse17 (not .cse24)) (.cse5 (= |old(~a16~0)| ~a16~0)) (.cse4 (< 7 |old(~a12~0)|)) (.cse0 (and .cse24 .cse23 .cse19)) (.cse15 (< 8 |old(~a16~0)|)) (.cse3 (= 4 |old(~a15~0)|)) (.cse14 (< 0 (+ |old(~a18~0)| 87))) (.cse20 (not .cse2)) (.cse22 (not (= 8 |old(~a12~0)|))) (.cse9 (<= (+ |old(~a18~0)| 79) 0)) (.cse1 (= 12 |old(~a16~0)|)) (.cse21 (= 10 |old(~a16~0)|)) (.cse16 (not (= 9 |old(~a12~0)|))) (.cse8 (not .cse19)) (.cse18 (not .cse23)) (.cse13 (and .cse11 .cse12 .cse6 .cse7)) (.cse10 (< |old(~a15~0)| 4))) (and (or (or .cse0 (or .cse1 .cse2 .cse3 .cse4)) (and (and (and .cse5 .cse6) (= ~a15~0 |old(~a15~0)|)) .cse7)) (or .cse8 (or .cse9 .cse4 .cse10) (and (and .cse11 .cse12 .cse6) .cse7)) (or .cse13 .cse14 .cse15 .cse16 .cse10) (or (and (and .cse5 .cse6 .cse11) .cse7) .cse17 (and .cse9 (< 0 (+ |old(~a18~0)| 156))) .cse16) (or .cse17 .cse18 .cse13 .cse19) (or .cse1 .cse2 .cse13 .cse19 .cse4) (or (or .cse1 .cse20 .cse9 .cse21 .cse10) (and (and .cse11 .cse6) .cse5 .cse7)) (or .cse8 .cse13 .cse14 .cse4 .cse10) (or .cse13 .cse22 .cse14 .cse15) (or .cse13 .cse3 .cse9 .cse21 .cse19 .cse4) (or .cse13 .cse9 .cse15 .cse16) (or .cse13 (or .cse1 .cse22 .cse21 .cse19)) (or .cse0 .cse2 .cse3 .cse13 (< (+ |old(~a18~0)| 78) 0) .cse15) (or .cse13 .cse3 .cse20 .cse21 .cse19) (or .cse13 .cse3 .cse22) (or (or .cse1 .cse21 .cse14) .cse20 .cse13) (or .cse8 .cse13 .cse22 .cse9) (or .cse1 .cse13 .cse21 .cse19 .cse16 .cse10) (or .cse8 .cse18 .cse13 .cse10)))) [2018-12-02 07:13:11,411 INFO L448 ceAbstractionStarter]: For program point L1527(lines 1527 1763) no Hoare annotation was computed. [2018-12-02 07:13:11,411 INFO L448 ceAbstractionStarter]: For program point L1651(lines 1651 1763) no Hoare annotation was computed. [2018-12-02 07:13:11,411 INFO L448 ceAbstractionStarter]: For program point L1585(lines 1585 1763) no Hoare annotation was computed. [2018-12-02 07:13:11,411 INFO L448 ceAbstractionStarter]: For program point L1709(lines 1709 1763) no Hoare annotation was computed. [2018-12-02 07:13:11,411 INFO L448 ceAbstractionStarter]: For program point L1503(lines 1503 1763) no Hoare annotation was computed. [2018-12-02 07:13:11,411 INFO L448 ceAbstractionStarter]: For program point L1693(lines 1693 1763) no Hoare annotation was computed. [2018-12-02 07:13:11,411 INFO L448 ceAbstractionStarter]: For program point L1553(lines 1553 1763) no Hoare annotation was computed. [2018-12-02 07:13:11,411 INFO L448 ceAbstractionStarter]: For program point calculate_output2FINAL(lines 1494 1765) no Hoare annotation was computed. [2018-12-02 07:13:11,412 INFO L448 ceAbstractionStarter]: For program point L1669(lines 1669 1763) no Hoare annotation was computed. [2018-12-02 07:13:11,412 INFO L448 ceAbstractionStarter]: For program point L1603(lines 1603 1763) no Hoare annotation was computed. [2018-12-02 07:13:11,412 INFO L448 ceAbstractionStarter]: For program point L1727(lines 1727 1763) no Hoare annotation was computed. [2018-12-02 07:13:11,412 INFO L448 ceAbstractionStarter]: For program point L1628(lines 1628 1763) no Hoare annotation was computed. [2018-12-02 07:13:11,412 INFO L448 ceAbstractionStarter]: For program point L1752(lines 1752 1763) no Hoare annotation was computed. [2018-12-02 07:13:11,412 INFO L448 ceAbstractionStarter]: For program point L1521(lines 1521 1763) no Hoare annotation was computed. [2018-12-02 07:13:11,412 INFO L448 ceAbstractionStarter]: For program point L1645(lines 1645 1763) no Hoare annotation was computed. [2018-12-02 07:13:11,412 INFO L448 ceAbstractionStarter]: For program point L1579(lines 1579 1763) no Hoare annotation was computed. [2018-12-02 07:13:11,412 INFO L448 ceAbstractionStarter]: For program point L1546(lines 1546 1763) no Hoare annotation was computed. [2018-12-02 07:13:11,412 INFO L448 ceAbstractionStarter]: For program point L894(lines 894 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,412 INFO L448 ceAbstractionStarter]: For program point L828(lines 828 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,412 INFO L448 ceAbstractionStarter]: For program point L696(lines 696 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,413 INFO L448 ceAbstractionStarter]: For program point L1291(lines 1291 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,413 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 07:13:11,413 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 07:13:11,413 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 07:13:11,413 INFO L448 ceAbstractionStarter]: For program point L961(lines 961 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,413 INFO L448 ceAbstractionStarter]: For program point L763(lines 763 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,413 INFO L448 ceAbstractionStarter]: For program point L631(lines 631 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,413 INFO L448 ceAbstractionStarter]: For program point L367(lines 367 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,413 INFO L448 ceAbstractionStarter]: For program point L1358(lines 1358 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,413 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,413 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-12-02 07:13:11,413 INFO L448 ceAbstractionStarter]: For program point L1160(lines 1160 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,413 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-12-02 07:13:11,414 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-12-02 07:13:11,414 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 133) no Hoare annotation was computed. [2018-12-02 07:13:11,414 INFO L444 ceAbstractionStarter]: At program point L1491(line 1491) the Hoare annotation is: (let ((.cse4 (= |old(~a15~0)| ~a15~0)) (.cse5 (= ~a16~0 |old(~a16~0)|)) (.cse6 (= ~a18~0 |old(~a18~0)|)) (.cse7 (= |old(~a12~0)| ~a12~0)) (.cse17 (= 8 |old(~a16~0)|)) (.cse15 (= 7 |old(~a12~0)|)) (.cse24 (+ |old(~a18~0)| 87))) (let ((.cse14 (= |old(~a16~0)| ~a16~0)) (.cse9 (< 0 .cse24)) (.cse2 (< 7 |old(~a12~0)|)) (.cse20 (not (= 5 |old(~a12~0)|))) (.cse18 (not .cse15)) (.cse21 (not (= 3 |old(~a15~0)|))) (.cse22 (= |calculate_output_#in~input| 0)) (.cse23 (not (= calculate_output_~input 0))) (.cse0 (not .cse17)) (.cse19 (not (= 8 |old(~a12~0)|))) (.cse1 (<= (+ |old(~a18~0)| 79) 0)) (.cse16 (= 4 |old(~a15~0)|)) (.cse10 (< 8 |old(~a16~0)|)) (.cse12 (= 12 |old(~a16~0)|)) (.cse8 (and .cse4 .cse5 .cse6 .cse7)) (.cse13 (= 10 |old(~a16~0)|)) (.cse11 (not (= 9 |old(~a12~0)|))) (.cse3 (< |old(~a15~0)| 4))) (and (or .cse0 (or .cse1 .cse2 .cse3) (and (and .cse4 .cse5 .cse6) .cse7)) (or .cse8 .cse9 .cse10 .cse11 .cse3) (or (or .cse12 .cse13 .cse9) .cse8 .cse2) (or (and (and (and .cse14 .cse6) (or (not (= 5 ~a12~0)) (not (= 8 ~a16~0)) (not (= ~a15~0 3))) (= ~a15~0 |old(~a15~0)|)) .cse7) (or .cse12 .cse15 .cse16 .cse2)) (or .cse12 .cse15 .cse8 .cse17 .cse2) (or (or .cse12 .cse18 .cse1 .cse13 .cse3) (and (and .cse4 .cse6) .cse14 .cse7)) (or .cse8 .cse19 .cse9 .cse10) (or .cse8 .cse16 .cse1 .cse13 .cse17 .cse2) (or .cse0 .cse20 .cse8) (or .cse8 .cse1 .cse10 .cse11) (or .cse21 .cse20 .cse22 .cse8) (or .cse23 (or .cse21 .cse20 (= 0 |old(~a16~0)|) .cse22)) (or (or .cse12 .cse19 .cse13 .cse17) .cse8) (or .cse8 .cse16 .cse18 .cse13 .cse17) (or .cse8 .cse16 .cse19) (or .cse21 .cse8 (and .cse1 (< 0 (+ |old(~a18~0)| 156))) .cse11) (or (or .cse21 (not (= 6 |old(~a12~0)|))) (not (= .cse24 0)) (not (= 11 |old(~a16~0)|)) .cse22 .cse23) (or .cse0 .cse8 .cse19 .cse1) (or .cse15 .cse8 .cse16 (< (+ |old(~a18~0)| 78) 0) .cse10) (or .cse12 .cse8 .cse13 .cse17 .cse11 .cse3)))) [2018-12-02 07:13:11,414 INFO L448 ceAbstractionStarter]: For program point L434(lines 434 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,414 INFO L448 ceAbstractionStarter]: For program point L1491-1(line 1491) no Hoare annotation was computed. [2018-12-02 07:13:11,414 INFO L448 ceAbstractionStarter]: For program point L1227(lines 1227 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,415 INFO L448 ceAbstractionStarter]: For program point L567(lines 567 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,415 INFO L448 ceAbstractionStarter]: For program point L501(lines 501 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,415 INFO L448 ceAbstractionStarter]: For program point L303(lines 303 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,415 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 07:13:11,415 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 07:13:11,415 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 07:13:11,415 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-12-02 07:13:11,415 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-12-02 07:13:11,415 INFO L448 ceAbstractionStarter]: For program point L1097(lines 1097 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,415 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-12-02 07:13:11,415 INFO L448 ceAbstractionStarter]: For program point L1031(lines 1031 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,415 INFO L448 ceAbstractionStarter]: For program point L899(lines 899 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,415 INFO L448 ceAbstractionStarter]: For program point L1428(lines 1428 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,416 INFO L448 ceAbstractionStarter]: For program point L834(lines 834 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,416 INFO L448 ceAbstractionStarter]: For program point L636(lines 636 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,416 INFO L448 ceAbstractionStarter]: For program point L1297(lines 1297 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,416 INFO L448 ceAbstractionStarter]: For program point L240(lines 240 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,416 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 07:13:11,416 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 07:13:11,416 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 07:13:11,416 INFO L448 ceAbstractionStarter]: For program point L967(lines 967 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,416 INFO L448 ceAbstractionStarter]: For program point L769(lines 769 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,416 INFO L448 ceAbstractionStarter]: For program point L703(lines 703 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,416 INFO L448 ceAbstractionStarter]: For program point L373(lines 373 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,416 INFO L448 ceAbstractionStarter]: For program point L1364(lines 1364 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,417 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-12-02 07:13:11,417 INFO L448 ceAbstractionStarter]: For program point L1166(lines 1166 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,417 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-12-02 07:13:11,417 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-12-02 07:13:11,417 INFO L448 ceAbstractionStarter]: For program point L440(lines 440 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,417 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,417 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,417 INFO L448 ceAbstractionStarter]: For program point L1234(lines 1234 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,417 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 07:13:11,417 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 07:13:11,417 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 07:13:11,417 INFO L448 ceAbstractionStarter]: For program point L1036(lines 1036 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,417 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,418 INFO L448 ceAbstractionStarter]: For program point L508(lines 508 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,418 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-12-02 07:13:11,418 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-12-02 07:13:11,418 INFO L448 ceAbstractionStarter]: For program point L1103(lines 1103 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,418 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-12-02 07:13:11,418 INFO L448 ceAbstractionStarter]: For program point L905(lines 905 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,418 INFO L448 ceAbstractionStarter]: For program point L641(lines 641 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,418 INFO L448 ceAbstractionStarter]: For program point L443(lines 443 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,418 INFO L448 ceAbstractionStarter]: For program point L1434(lines 1434 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,418 INFO L448 ceAbstractionStarter]: For program point L840(lines 840 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,418 INFO L448 ceAbstractionStarter]: For program point L1303(lines 1303 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,418 INFO L448 ceAbstractionStarter]: For program point L246(lines 246 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,419 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 07:13:11,419 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 07:13:11,419 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 07:13:11,419 INFO L448 ceAbstractionStarter]: For program point L775(lines 775 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,419 INFO L448 ceAbstractionStarter]: For program point L1370(lines 1370 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,419 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-12-02 07:13:11,419 INFO L448 ceAbstractionStarter]: For program point L1172(lines 1172 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,419 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-12-02 07:13:11,419 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-12-02 07:13:11,419 INFO L448 ceAbstractionStarter]: For program point L974(lines 974 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,419 INFO L448 ceAbstractionStarter]: For program point L578(lines 578 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,419 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,419 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,420 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 07:13:11,420 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 07:13:11,420 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 07:13:11,420 INFO L448 ceAbstractionStarter]: For program point L1042(lines 1042 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,420 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 23 1492) no Hoare annotation was computed. [2018-12-02 07:13:11,420 INFO L448 ceAbstractionStarter]: For program point L778(lines 778 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,420 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,420 INFO L448 ceAbstractionStarter]: For program point L1241(lines 1241 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,420 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-12-02 07:13:11,420 INFO L448 ceAbstractionStarter]: For program point L1175(lines 1175 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,420 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-12-02 07:13:11,420 INFO L448 ceAbstractionStarter]: For program point L1109(lines 1109 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,420 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-12-02 07:13:11,421 INFO L448 ceAbstractionStarter]: For program point L515(lines 515 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,421 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,421 INFO L448 ceAbstractionStarter]: For program point L1440(lines 1440 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,421 INFO L448 ceAbstractionStarter]: For program point L912(lines 912 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,421 INFO L448 ceAbstractionStarter]: For program point L846(lines 846 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,421 INFO L448 ceAbstractionStarter]: For program point L648(lines 648 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,421 INFO L448 ceAbstractionStarter]: For program point L1375(lines 1375 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,421 INFO L448 ceAbstractionStarter]: For program point L1309(lines 1309 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,421 INFO L448 ceAbstractionStarter]: For program point L252(lines 252 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,421 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 07:13:11,421 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 07:13:11,421 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 07:13:11,422 INFO L448 ceAbstractionStarter]: For program point L979(lines 979 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,422 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-12-02 07:13:11,422 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-12-02 07:13:11,422 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-12-02 07:13:11,422 INFO L448 ceAbstractionStarter]: For program point L584(lines 584 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,422 INFO L448 ceAbstractionStarter]: For program point L386(lines 386 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,422 INFO L448 ceAbstractionStarter]: For program point L717(lines 717 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,422 INFO L448 ceAbstractionStarter]: For program point L321(lines 321 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,422 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 07:13:11,422 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 07:13:11,422 INFO L448 ceAbstractionStarter]: For program point L1114(lines 1114 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,422 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 07:13:11,422 INFO L448 ceAbstractionStarter]: For program point L1048(lines 1048 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,423 INFO L448 ceAbstractionStarter]: For program point L784(lines 784 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,423 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,423 INFO L448 ceAbstractionStarter]: For program point L1247(lines 1247 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,423 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-12-02 07:13:11,423 INFO L448 ceAbstractionStarter]: For program point L1181(lines 1181 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,423 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-12-02 07:13:11,423 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-12-02 07:13:11,423 INFO L448 ceAbstractionStarter]: For program point L917(lines 917 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,423 INFO L448 ceAbstractionStarter]: For program point L851(lines 851 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,423 INFO L448 ceAbstractionStarter]: For program point L521(lines 521 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,423 INFO L448 ceAbstractionStarter]: For program point L1446(lines 1446 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,423 INFO L448 ceAbstractionStarter]: For program point L1314(lines 1314 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,423 INFO L448 ceAbstractionStarter]: For program point L257(lines 257 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,424 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 23 1492) the Hoare annotation is: (let ((.cse13 (= 8 |old(~a16~0)|)) (.cse12 (= 7 |old(~a12~0)|)) (.cse20 (= |old(~a15~0)| ~a15~0)) (.cse21 (= ~a16~0 |old(~a16~0)|)) (.cse18 (= ~a18~0 |old(~a18~0)|)) (.cse19 (= |old(~a12~0)| ~a12~0))) (let ((.cse7 (and (and .cse20 .cse21 .cse18) .cse19)) (.cse2 (<= (+ |old(~a18~0)| 79) 0)) (.cse15 (not .cse12)) (.cse1 (not (= 3 |old(~a15~0)|))) (.cse17 (not (= 5 |old(~a12~0)|))) (.cse9 (< 8 |old(~a16~0)|)) (.cse4 (not .cse13)) (.cse16 (not (= 8 |old(~a12~0)|))) (.cse8 (< 0 (+ |old(~a18~0)| 87))) (.cse14 (= 4 |old(~a15~0)|)) (.cse5 (< 7 |old(~a12~0)|)) (.cse10 (= 12 |old(~a16~0)|)) (.cse0 (and .cse20 .cse21 .cse18 .cse19)) (.cse11 (= 10 |old(~a16~0)|)) (.cse3 (not (= 9 |old(~a12~0)|))) (.cse6 (< |old(~a15~0)| 4))) (and (or .cse0 .cse1 (and .cse2 (< 0 (+ |old(~a18~0)| 156))) .cse3) (or .cse4 (or .cse2 .cse5 .cse6) .cse7) (or .cse0 .cse8 .cse9 .cse3 .cse6) (or (or .cse10 .cse11 .cse8) .cse0 .cse5) (or .cse2 .cse9 .cse0 .cse3) (or .cse10 .cse0 .cse12 .cse13 .cse5) (or .cse0 .cse14 .cse2 .cse11 .cse13 .cse5) (or (or .cse10 .cse15 .cse2 .cse11 .cse6) .cse7) (or .cse14 .cse16 .cse0) (or .cse4 .cse17 .cse0) (or (or .cse10 .cse16 .cse11 .cse13) .cse0) (or .cse4 .cse0 .cse16 .cse2) (or .cse14 .cse15 .cse11 .cse13 .cse0) (or .cse1 .cse17 .cse0 (= |calculate_output_#in~input| 0)) (or .cse12 .cse0 .cse14 (< (+ |old(~a18~0)| 78) 0) .cse9) (or .cse4 .cse0 .cse16 .cse8) (or (and (and (and (= |old(~a16~0)| ~a16~0) .cse18) (= ~a15~0 |old(~a15~0)|)) .cse19) (or .cse10 .cse12 .cse14 .cse5)) (or .cse10 .cse0 .cse11 .cse13 .cse3 .cse6)))) [2018-12-02 07:13:11,424 INFO L448 ceAbstractionStarter]: For program point L1381(lines 1381 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,424 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 07:13:11,424 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 07:13:11,424 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 07:13:11,424 INFO L448 ceAbstractionStarter]: For program point L655(lines 655 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,424 INFO L448 ceAbstractionStarter]: For program point L589(lines 589 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,424 INFO L448 ceAbstractionStarter]: For program point L457(lines 457 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,425 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,425 INFO L448 ceAbstractionStarter]: For program point L1250(lines 1250 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,425 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-12-02 07:13:11,425 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-12-02 07:13:11,425 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-12-02 07:13:11,425 INFO L448 ceAbstractionStarter]: For program point L986(lines 986 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,425 INFO L448 ceAbstractionStarter]: For program point L1449(lines 1449 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,425 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,425 INFO L448 ceAbstractionStarter]: For program point L723(lines 723 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,425 INFO L448 ceAbstractionStarter]: For program point L327(lines 327 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,425 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 07:13:11,425 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 07:13:11,425 INFO L448 ceAbstractionStarter]: For program point L1120(lines 1120 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,426 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 07:13:11,426 INFO L448 ceAbstractionStarter]: For program point L922(lines 922 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,426 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,426 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-12-02 07:13:11,426 INFO L448 ceAbstractionStarter]: For program point L1187(lines 1187 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,426 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-02 07:13:11,426 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-12-02 07:13:11,426 INFO L448 ceAbstractionStarter]: For program point L1055(lines 1055 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,426 INFO L448 ceAbstractionStarter]: For program point L857(lines 857 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,426 INFO L448 ceAbstractionStarter]: For program point L527(lines 527 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,426 INFO L448 ceAbstractionStarter]: For program point L1386(lines 1386 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,426 INFO L448 ceAbstractionStarter]: For program point L594(lines 594 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,426 INFO L448 ceAbstractionStarter]: For program point L1321(lines 1321 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,426 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 07:13:11,427 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 07:13:11,427 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 07:13:11,427 INFO L448 ceAbstractionStarter]: For program point L661(lines 661 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,427 INFO L448 ceAbstractionStarter]: For program point L463(lines 463 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,427 INFO L448 ceAbstractionStarter]: For program point L1256(lines 1256 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,427 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-12-02 07:13:11,427 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-12-02 07:13:11,427 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-12-02 07:13:11,427 INFO L448 ceAbstractionStarter]: For program point L728(lines 728 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,427 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,427 INFO L448 ceAbstractionStarter]: For program point L1125(lines 1125 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,427 INFO L448 ceAbstractionStarter]: For program point L993(lines 993 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,427 INFO L448 ceAbstractionStarter]: For program point L1456(lines 1456 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,427 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,427 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 07:13:11,427 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 07:13:11,428 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 07:13:11,428 INFO L448 ceAbstractionStarter]: For program point L796(lines 796 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,428 INFO L448 ceAbstractionStarter]: For program point L664(lines 664 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,428 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,428 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-12-02 07:13:11,428 INFO L448 ceAbstractionStarter]: For program point L1193(lines 1193 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,428 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-12-02 07:13:11,428 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-12-02 07:13:11,428 INFO L448 ceAbstractionStarter]: For program point L1061(lines 1061 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,428 INFO L448 ceAbstractionStarter]: For program point L929(lines 929 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,428 INFO L448 ceAbstractionStarter]: For program point L863(lines 863 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,428 INFO L448 ceAbstractionStarter]: For program point L533(lines 533 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,429 INFO L448 ceAbstractionStarter]: For program point L1392(lines 1392 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,429 INFO L448 ceAbstractionStarter]: For program point L600(lines 600 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,429 INFO L448 ceAbstractionStarter]: For program point L1327(lines 1327 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,429 INFO L448 ceAbstractionStarter]: For program point L204-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 07:13:11,429 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 07:13:11,429 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 07:13:11,429 INFO L448 ceAbstractionStarter]: For program point L469(lines 469 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,429 INFO L448 ceAbstractionStarter]: For program point L1262(lines 1262 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,429 INFO L448 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2018-12-02 07:13:11,429 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-02 07:13:11,429 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-12-02 07:13:11,429 INFO L448 ceAbstractionStarter]: For program point L734(lines 734 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,429 INFO L448 ceAbstractionStarter]: For program point L1461(lines 1461 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,429 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,429 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,430 INFO L448 ceAbstractionStarter]: For program point L1131(lines 1131 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,430 INFO L448 ceAbstractionStarter]: For program point L999(lines 999 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,430 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 07:13:11,430 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 07:13:11,430 INFO L448 ceAbstractionStarter]: For program point L802(lines 802 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,430 INFO L448 ceAbstractionStarter]: For program point L670(lines 670 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,430 INFO L448 ceAbstractionStarter]: For program point L538(lines 538 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,430 INFO L448 ceAbstractionStarter]: For program point L1397(lines 1397 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,430 INFO L448 ceAbstractionStarter]: For program point L274(lines 274 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,430 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-12-02 07:13:11,430 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-12-02 07:13:11,430 INFO L448 ceAbstractionStarter]: For program point L1067(lines 1067 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,430 INFO L448 ceAbstractionStarter]: For program point L935(lines 935 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,430 INFO L448 ceAbstractionStarter]: For program point L869(lines 869 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,430 INFO L448 ceAbstractionStarter]: For program point L1200(lines 1200 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,431 INFO L448 ceAbstractionStarter]: For program point L606(lines 606 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,431 INFO L448 ceAbstractionStarter]: For program point L1267(lines 1267 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,431 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 07:13:11,431 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 07:13:11,431 INFO L448 ceAbstractionStarter]: For program point L1466(lines 1466 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,431 INFO L448 ceAbstractionStarter]: For program point L1334(lines 1334 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,431 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-12-02 07:13:11,431 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-12-02 07:13:11,431 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,431 INFO L448 ceAbstractionStarter]: For program point L1137(lines 1137 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,431 INFO L448 ceAbstractionStarter]: For program point L1005(lines 1005 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,431 INFO L448 ceAbstractionStarter]: For program point L741(lines 741 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,431 INFO L448 ceAbstractionStarter]: For program point L543(lines 543 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,431 INFO L448 ceAbstractionStarter]: For program point L411(lines 411 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,431 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,431 INFO L448 ceAbstractionStarter]: For program point L279(lines 279 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,431 INFO L448 ceAbstractionStarter]: For program point L213(lines 213 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,432 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 07:13:11,432 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 07:13:11,432 INFO L448 ceAbstractionStarter]: For program point L808(lines 808 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,432 INFO L448 ceAbstractionStarter]: For program point L1403(lines 1403 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,432 INFO L448 ceAbstractionStarter]: For program point L1205(lines 1205 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,432 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-12-02 07:13:11,432 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-12-02 07:13:11,432 INFO L448 ceAbstractionStarter]: For program point L1073(lines 1073 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,432 INFO L448 ceAbstractionStarter]: For program point L875(lines 875 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,432 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,432 INFO L448 ceAbstractionStarter]: For program point L942(lines 942 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,432 INFO L448 ceAbstractionStarter]: For program point L612(lines 612 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,432 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 07:13:11,432 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 07:13:11,432 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 23 1492) no Hoare annotation was computed. [2018-12-02 07:13:11,432 INFO L448 ceAbstractionStarter]: For program point L1472(lines 1472 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,432 INFO L448 ceAbstractionStarter]: For program point L1274(lines 1274 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,432 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-12-02 07:13:11,433 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-12-02 07:13:11,433 INFO L448 ceAbstractionStarter]: For program point L746(lines 746 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,433 INFO L448 ceAbstractionStarter]: For program point L680(lines 680 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,433 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,433 INFO L448 ceAbstractionStarter]: For program point L350(lines 350 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,433 INFO L448 ceAbstractionStarter]: For program point L1341(lines 1341 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,433 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,433 INFO L448 ceAbstractionStarter]: For program point L1143(lines 1143 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,433 INFO L448 ceAbstractionStarter]: For program point L1011(lines 1011 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,433 INFO L448 ceAbstractionStarter]: For program point L483(lines 483 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,433 INFO L448 ceAbstractionStarter]: For program point L417(lines 417 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,433 INFO L448 ceAbstractionStarter]: For program point L285(lines 285 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,433 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 07:13:11,433 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 07:13:11,433 INFO L448 ceAbstractionStarter]: For program point L1409(lines 1409 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,433 INFO L448 ceAbstractionStarter]: For program point L1211(lines 1211 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,433 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-02 07:13:11,433 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-12-02 07:13:11,433 INFO L448 ceAbstractionStarter]: For program point L1079(lines 1079 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,433 INFO L448 ceAbstractionStarter]: For program point L815(lines 815 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,434 INFO L448 ceAbstractionStarter]: For program point L948(lines 948 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,434 INFO L448 ceAbstractionStarter]: For program point L882(lines 882 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,434 INFO L448 ceAbstractionStarter]: For program point L618(lines 618 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,434 INFO L448 ceAbstractionStarter]: For program point L1477(lines 1477 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,434 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 07:13:11,434 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 07:13:11,434 INFO L448 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2018-12-02 07:13:11,434 INFO L448 ceAbstractionStarter]: For program point L24-2(lines 23 1492) no Hoare annotation was computed. [2018-12-02 07:13:11,434 INFO L448 ceAbstractionStarter]: For program point L1280(lines 1280 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,434 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,434 INFO L448 ceAbstractionStarter]: For program point L1214(lines 1214 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,434 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-12-02 07:13:11,434 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-12-02 07:13:11,434 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-12-02 07:13:11,434 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,434 INFO L448 ceAbstractionStarter]: For program point L686(lines 686 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,434 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,434 INFO L448 ceAbstractionStarter]: For program point L356(lines 356 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,434 INFO L448 ceAbstractionStarter]: For program point L1347(lines 1347 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,435 INFO L448 ceAbstractionStarter]: For program point L290(lines 290 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,435 INFO L448 ceAbstractionStarter]: For program point L1149(lines 1149 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,435 INFO L448 ceAbstractionStarter]: For program point L489(lines 489 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,435 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 07:13:11,435 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 07:13:11,435 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 07:13:11,435 INFO L448 ceAbstractionStarter]: For program point L1018(lines 1018 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,435 INFO L448 ceAbstractionStarter]: For program point L424(lines 424 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,435 INFO L448 ceAbstractionStarter]: For program point L1415(lines 1415 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,435 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-12-02 07:13:11,435 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-12-02 07:13:11,435 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-12-02 07:13:11,435 INFO L448 ceAbstractionStarter]: For program point L1086(lines 1086 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,435 INFO L448 ceAbstractionStarter]: For program point L954(lines 954 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,435 INFO L448 ceAbstractionStarter]: For program point L888(lines 888 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,435 INFO L448 ceAbstractionStarter]: For program point L822(lines 822 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,435 INFO L448 ceAbstractionStarter]: For program point L624(lines 624 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,435 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 07:13:11,435 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 07:13:11,435 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 07:13:11,436 INFO L448 ceAbstractionStarter]: For program point L691(lines 691 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,436 INFO L448 ceAbstractionStarter]: For program point L1484(lines 1484 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,436 INFO L448 ceAbstractionStarter]: For program point L427(lines 427 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,436 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,436 INFO L448 ceAbstractionStarter]: For program point L1286(lines 1286 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,436 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,436 INFO L448 ceAbstractionStarter]: For program point L1220(lines 1220 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,436 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-12-02 07:13:11,436 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-12-02 07:13:11,436 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-12-02 07:13:11,436 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,436 INFO L448 ceAbstractionStarter]: For program point L560(lines 560 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,436 INFO L448 ceAbstractionStarter]: For program point L1353(lines 1353 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,436 INFO L448 ceAbstractionStarter]: For program point L1155(lines 1155 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,436 INFO L448 ceAbstractionStarter]: For program point L495(lines 495 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,436 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,436 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 07:13:11,436 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 07:13:11,436 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 07:13:11,436 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-12-02 07:13:11,437 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-12-02 07:13:11,437 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-12-02 07:13:11,437 INFO L448 ceAbstractionStarter]: For program point L1025(lines 1025 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,437 INFO L448 ceAbstractionStarter]: For program point L1422(lines 1422 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,437 INFO L448 ceAbstractionStarter]: For program point L1092(lines 1092 1490) no Hoare annotation was computed. [2018-12-02 07:13:11,437 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 07:13:11,437 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a16~0 11) (= ~a15~0 3) (= ~a12~0 5) (= (+ ~a18~0 87) 0)) [2018-12-02 07:13:11,437 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 07:13:11,437 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 07:13:11,437 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 1767 1783) the Hoare annotation is: (or (not (= 3 |old(~a15~0)|)) (not (= 5 |old(~a12~0)|)) (not (= 11 |old(~a16~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (and (= |old(~a15~0)| ~a15~0) (= ~a16~0 |old(~a16~0)|) (= ~a18~0 |old(~a18~0)|) (= |old(~a12~0)| ~a12~0))) [2018-12-02 07:13:11,437 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 1767 1783) no Hoare annotation was computed. [2018-12-02 07:13:11,437 INFO L444 ceAbstractionStarter]: At program point L1781(line 1781) the Hoare annotation is: (let ((.cse11 (not (= ~a16~0 10))) (.cse14 (not (= ~a16~0 8))) (.cse2 (not (= ~a12~0 7)))) (let ((.cse13 (= ~a15~0 3)) (.cse7 (= ~a12~0 9)) (.cse10 (and .cse11 .cse14 .cse2)) (.cse3 (<= ~a12~0 7)) (.cse6 (<= 4 ~a15~0)) (.cse4 (<= ~a16~0 8)) (.cse5 (< 0 (+ ~a18~0 79))) (.cse0 (not (= ~a15~0 4))) (.cse12 (= 7 ~a12~0)) (.cse9 (= 8 ~a12~0)) (.cse8 (<= (+ ~a18~0 87) 0)) (.cse1 (not (= ~a16~0 12)))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= 11 |old(~a16~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (and (and .cse2 .cse3 .cse4) .cse5) (and .cse6 .cse4 .cse7 .cse5) (not (= 3 |old(~a15~0)|)) (and .cse8 .cse3 .cse4) (and .cse9 (and .cse10 .cse1)) (and (= 5 ~a12~0) .cse4) (and (and .cse8 .cse11 .cse1) .cse12) (not (= 5 |old(~a12~0)|)) (and .cse8 .cse6 .cse4 .cse7) (and (not (= main_~input~0 0)) .cse13 (= ~a12~0 5)) (and (and .cse0 .cse2 .cse4) (<= 135 ~a18~0)) (and .cse14 .cse1 .cse2 .cse3) (and (= 9 ~a12~0) .cse13 (or (<= (+ ~a18~0 156) 0) .cse5)) (and .cse10 .cse6 .cse1 .cse7) (and (and .cse0 .cse10) .cse3 .cse5) (and (and .cse11 .cse14 .cse1 .cse12) .cse5) (and .cse0 .cse9) (and .cse9 .cse5 .cse11 .cse1) (and .cse6 .cse4 .cse12 .cse5) (and .cse11 .cse0 .cse14 .cse12) (and .cse9 .cse8 .cse11 .cse1)))) [2018-12-02 07:13:11,437 INFO L448 ceAbstractionStarter]: For program point L1781-1(line 1781) no Hoare annotation was computed. [2018-12-02 07:13:11,437 INFO L448 ceAbstractionStarter]: For program point L1778(line 1778) no Hoare annotation was computed. [2018-12-02 07:13:11,438 INFO L444 ceAbstractionStarter]: At program point L1773-2(lines 1773 1782) the Hoare annotation is: (let ((.cse12 (not (= ~a16~0 10))) (.cse15 (not (= ~a16~0 8))) (.cse2 (not (= ~a12~0 7)))) (let ((.cse11 (= 5 ~a12~0)) (.cse14 (= ~a15~0 3)) (.cse7 (= ~a12~0 9)) (.cse10 (and .cse12 .cse15 .cse2)) (.cse3 (<= ~a12~0 7)) (.cse6 (<= 4 ~a15~0)) (.cse4 (<= ~a16~0 8)) (.cse5 (< 0 (+ ~a18~0 79))) (.cse0 (not (= ~a15~0 4))) (.cse13 (= 7 ~a12~0)) (.cse9 (= 8 ~a12~0)) (.cse8 (<= (+ ~a18~0 87) 0)) (.cse1 (not (= ~a16~0 12)))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= 11 |old(~a16~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (and (and .cse2 .cse3 .cse4) .cse5) (and .cse6 .cse4 .cse7 .cse5) (not (= 3 |old(~a15~0)|)) (and .cse8 .cse3 .cse4) (and .cse9 (and .cse10 .cse1)) (and .cse11 .cse4) (and (and .cse8 .cse12 .cse1) .cse13) (not (= 5 |old(~a12~0)|)) (and .cse8 .cse6 .cse4 .cse7) (and .cse14 .cse11) (and (and .cse0 .cse2 .cse4) (<= 135 ~a18~0)) (and .cse15 .cse1 .cse2 .cse3) (and (= 9 ~a12~0) .cse14 (or (<= (+ ~a18~0 156) 0) .cse5)) (and .cse10 .cse6 .cse1 .cse7) (and (and .cse0 .cse10) .cse3 .cse5) (and (and .cse12 .cse15 .cse1 .cse13) .cse5) (and .cse0 .cse9) (and .cse9 .cse5 .cse12 .cse1) (and .cse6 .cse4 .cse13 .cse5) (and .cse12 .cse0 .cse15 .cse13) (and .cse9 .cse8 .cse12 .cse1)))) [2018-12-02 07:13:11,438 INFO L448 ceAbstractionStarter]: For program point L1773-3(lines 1767 1783) no Hoare annotation was computed. [2018-12-02 07:13:11,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 07:13:11 BoogieIcfgContainer [2018-12-02 07:13:11,447 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 07:13:11,447 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 07:13:11,447 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 07:13:11,447 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 07:13:11,447 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:08:39" (3/4) ... [2018-12-02 07:13:11,450 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 07:13:11,453 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 07:13:11,454 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output2 [2018-12-02 07:13:11,454 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-02 07:13:11,454 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 07:13:11,465 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-12-02 07:13:11,466 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-02 07:13:11,485 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((((((!(a15 == 4) && !(a16 == 12)) && !(a12 == 7)) && a12 <= 7) || !(11 == \old(a16))) || !(\old(a18) + 87 == 0)) || (((!(a12 == 7) && a12 <= 7) && a16 <= 8) && 0 < a18 + 79)) || (((4 <= a15 && a16 <= 8) && a12 == 9) && 0 < a18 + 79)) || !(3 == \old(a15))) || ((a18 + 87 <= 0 && a12 <= 7) && a16 <= 8)) || (8 == a12 && ((!(a16 == 10) && !(a16 == 8)) && !(a12 == 7)) && !(a16 == 12))) || (5 == a12 && a16 <= 8)) || (((a18 + 87 <= 0 && !(a16 == 10)) && !(a16 == 12)) && 7 == a12)) || !(5 == \old(a12))) || (((a18 + 87 <= 0 && 4 <= a15) && a16 <= 8) && a12 == 9)) || (a15 == 3 && 5 == a12)) || (((!(a15 == 4) && !(a12 == 7)) && a16 <= 8) && 135 <= a18)) || (((!(a16 == 8) && !(a16 == 12)) && !(a12 == 7)) && a12 <= 7)) || ((9 == a12 && a15 == 3) && (a18 + 156 <= 0 || 0 < a18 + 79))) || (((((!(a16 == 10) && !(a16 == 8)) && !(a12 == 7)) && 4 <= a15) && !(a16 == 12)) && a12 == 9)) || (((!(a15 == 4) && (!(a16 == 10) && !(a16 == 8)) && !(a12 == 7)) && a12 <= 7) && 0 < a18 + 79)) || ((((!(a16 == 10) && !(a16 == 8)) && !(a16 == 12)) && 7 == a12) && 0 < a18 + 79)) || (!(a15 == 4) && 8 == a12)) || (((8 == a12 && 0 < a18 + 79) && !(a16 == 10)) && !(a16 == 12))) || (((4 <= a15 && a16 <= 8) && 7 == a12) && 0 < a18 + 79)) || (((!(a16 == 10) && !(a15 == 4)) && !(a16 == 8)) && 7 == a12)) || (((8 == a12 && a18 + 87 <= 0) && !(a16 == 10)) && !(a16 == 12)) [2018-12-02 07:13:11,571 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6cd3ff41-b783-4ea5-a85a-a085a3405041/bin-2019/utaipan/witness.graphml [2018-12-02 07:13:11,571 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 07:13:11,572 INFO L168 Benchmark]: Toolchain (without parser) took 273974.88 ms. Allocated memory was 1.0 GB in the beginning and 5.2 GB in the end (delta: 4.2 GB). Free memory was 947.0 MB in the beginning and 1.8 GB in the end (delta: -866.2 MB). Peak memory consumption was 3.3 GB. Max. memory is 11.5 GB. [2018-12-02 07:13:11,572 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 07:13:11,572 INFO L168 Benchmark]: CACSL2BoogieTranslator took 600.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.5 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -179.1 MB). Peak memory consumption was 73.4 MB. Max. memory is 11.5 GB. [2018-12-02 07:13:11,572 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-12-02 07:13:11,573 INFO L168 Benchmark]: Boogie Preprocessor took 76.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-12-02 07:13:11,573 INFO L168 Benchmark]: RCFGBuilder took 1356.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 866.2 MB in the end (delta: 246.2 MB). Peak memory consumption was 246.2 MB. Max. memory is 11.5 GB. [2018-12-02 07:13:11,573 INFO L168 Benchmark]: TraceAbstraction took 271783.42 ms. Allocated memory was 1.2 GB in the beginning and 5.2 GB in the end (delta: 4.0 GB). Free memory was 866.2 MB in the beginning and 1.9 GB in the end (delta: -1.0 GB). Peak memory consumption was 3.9 GB. Max. memory is 11.5 GB. [2018-12-02 07:13:11,573 INFO L168 Benchmark]: Witness Printer took 124.38 ms. Allocated memory is still 5.2 GB. Free memory was 1.9 GB in the beginning and 1.8 GB in the end (delta: 75.8 MB). Peak memory consumption was 75.8 MB. Max. memory is 11.5 GB. [2018-12-02 07:13:11,574 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 600.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.5 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -179.1 MB). Peak memory consumption was 73.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 76.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1356.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 866.2 MB in the end (delta: 246.2 MB). Peak memory consumption was 246.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 271783.42 ms. Allocated memory was 1.2 GB in the beginning and 5.2 GB in the end (delta: 4.0 GB). Free memory was 866.2 MB in the beginning and 1.9 GB in the end (delta: -1.0 GB). Peak memory consumption was 3.9 GB. Max. memory is 11.5 GB. * Witness Printer took 124.38 ms. Allocated memory is still 5.2 GB. Free memory was 1.9 GB in the beginning and 1.8 GB in the end (delta: 75.8 MB). Peak memory consumption was 75.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 133]: 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: 1773]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((!(a15 == 4) && !(a16 == 12)) && !(a12 == 7)) && a12 <= 7) || !(11 == \old(a16))) || !(\old(a18) + 87 == 0)) || (((!(a12 == 7) && a12 <= 7) && a16 <= 8) && 0 < a18 + 79)) || (((4 <= a15 && a16 <= 8) && a12 == 9) && 0 < a18 + 79)) || !(3 == \old(a15))) || ((a18 + 87 <= 0 && a12 <= 7) && a16 <= 8)) || (8 == a12 && ((!(a16 == 10) && !(a16 == 8)) && !(a12 == 7)) && !(a16 == 12))) || (5 == a12 && a16 <= 8)) || (((a18 + 87 <= 0 && !(a16 == 10)) && !(a16 == 12)) && 7 == a12)) || !(5 == \old(a12))) || (((a18 + 87 <= 0 && 4 <= a15) && a16 <= 8) && a12 == 9)) || (a15 == 3 && 5 == a12)) || (((!(a15 == 4) && !(a12 == 7)) && a16 <= 8) && 135 <= a18)) || (((!(a16 == 8) && !(a16 == 12)) && !(a12 == 7)) && a12 <= 7)) || ((9 == a12 && a15 == 3) && (a18 + 156 <= 0 || 0 < a18 + 79))) || (((((!(a16 == 10) && !(a16 == 8)) && !(a12 == 7)) && 4 <= a15) && !(a16 == 12)) && a12 == 9)) || (((!(a15 == 4) && (!(a16 == 10) && !(a16 == 8)) && !(a12 == 7)) && a12 <= 7) && 0 < a18 + 79)) || ((((!(a16 == 10) && !(a16 == 8)) && !(a16 == 12)) && 7 == a12) && 0 < a18 + 79)) || (!(a15 == 4) && 8 == a12)) || (((8 == a12 && 0 < a18 + 79) && !(a16 == 10)) && !(a16 == 12))) || (((4 <= a15 && a16 <= 8) && 7 == a12) && 0 < a18 + 79)) || (((!(a16 == 10) && !(a15 == 4)) && !(a16 == 8)) && 7 == a12)) || (((8 == a12 && a18 + 87 <= 0) && !(a16 == 10)) && !(a16 == 12)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 409 locations, 1 error locations. SAFE Result, 271.7s OverallTime, 17 OverallIterations, 9 TraceHistogramMax, 233.0s AutomataDifference, 0.0s DeadEndRemovalTime, 16.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2311 SDtfs, 26119 SDslu, 1799 SDs, 0 SdLazy, 48808 SolverSat, 7791 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 210.2s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 14675 GetRequests, 14402 SyntacticMatches, 22 SemanticMatches, 251 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1768 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19802occurred in iteration=16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 3.9s AbstIntTime, 9 AbstIntIterations, 3 AbstIntStrong, 0.9983557729465985 AbsIntWeakeningRatio, 0.050793650793650794 AbsIntAvgWeakeningVarsNumRemoved, 16.224338624338625 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 2.0s AutomataMinimizationTime, 17 MinimizatonAttempts, 11896 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 2365 PreInvPairs, 2661 NumberOfFragments, 2452 HoareAnnotationTreeSize, 2365 FomulaSimplifications, 601773 FormulaSimplificationTreeSizeReduction, 1.6s HoareSimplificationTime, 9 FomulaSimplificationsInter, 292801 FormulaSimplificationTreeSizeReductionInter, 14.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 8.4s InterpolantComputationTime, 17565 NumberOfCodeBlocks, 17565 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 23762 ConstructedInterpolants, 0 QuantifiedInterpolants, 78215515 SizeOfPredicates, 4 NumberOfNonLiveVariables, 8163 ConjunctsInSsa, 27 ConjunctsInUnsatCore, 29 InterpolantComputations, 10 PerfectInterpolantSequences, 44050/48599 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...