./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label10_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c2a3ac3f-0682-4fbc-b866-8a6be616791d/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c2a3ac3f-0682-4fbc-b866-8a6be616791d/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c2a3ac3f-0682-4fbc-b866-8a6be616791d/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c2a3ac3f-0682-4fbc-b866-8a6be616791d/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label10_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c2a3ac3f-0682-4fbc-b866-8a6be616791d/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c2a3ac3f-0682-4fbc-b866-8a6be616791d/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 d90d90ab0f83213f6e486d9f5a42850d0f82e05d .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 04:09:09,885 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 04:09:09,886 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 04:09:09,894 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 04:09:09,895 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 04:09:09,895 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 04:09:09,896 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 04:09:09,897 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 04:09:09,898 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 04:09:09,899 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 04:09:09,900 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 04:09:09,900 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 04:09:09,900 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 04:09:09,901 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 04:09:09,902 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 04:09:09,902 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 04:09:09,903 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 04:09:09,904 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 04:09:09,906 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 04:09:09,907 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 04:09:09,908 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 04:09:09,908 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 04:09:09,910 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 04:09:09,910 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 04:09:09,910 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 04:09:09,911 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 04:09:09,912 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 04:09:09,912 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 04:09:09,913 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 04:09:09,914 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 04:09:09,914 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 04:09:09,914 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 04:09:09,914 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 04:09:09,914 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 04:09:09,915 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 04:09:09,915 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 04:09:09,916 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c2a3ac3f-0682-4fbc-b866-8a6be616791d/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 04:09:09,926 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 04:09:09,926 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 04:09:09,927 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 04:09:09,927 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 04:09:09,927 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 04:09:09,927 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 04:09:09,927 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 04:09:09,928 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 04:09:09,928 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 04:09:09,928 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 04:09:09,928 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 04:09:09,928 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 04:09:09,928 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 04:09:09,928 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 04:09:09,929 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 04:09:09,929 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 04:09:09,929 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 04:09:09,929 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 04:09:09,929 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 04:09:09,929 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 04:09:09,929 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 04:09:09,930 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 04:09:09,930 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 04:09:09,930 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 04:09:09,930 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 04:09:09,930 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 04:09:09,930 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 04:09:09,930 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 04:09:09,930 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 04:09:09,930 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 04:09:09,930 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 04:09:09,931 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 04:09:09,931 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 04:09:09,931 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 04:09:09,931 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 04:09:09,931 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 04:09:09,931 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_c2a3ac3f-0682-4fbc-b866-8a6be616791d/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 -> d90d90ab0f83213f6e486d9f5a42850d0f82e05d [2018-12-02 04:09:09,949 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 04:09:09,957 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 04:09:09,960 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 04:09:09,961 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 04:09:09,961 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 04:09:09,962 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c2a3ac3f-0682-4fbc-b866-8a6be616791d/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem01_label10_true-unreach-call_false-termination.c [2018-12-02 04:09:09,999 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c2a3ac3f-0682-4fbc-b866-8a6be616791d/bin-2019/utaipan/data/8e5fbf7c2/be76c72c171941fab8a222d9cc59fa8f/FLAG5c748809b [2018-12-02 04:09:10,424 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 04:09:10,424 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c2a3ac3f-0682-4fbc-b866-8a6be616791d/sv-benchmarks/c/eca-rers2012/Problem01_label10_true-unreach-call_false-termination.c [2018-12-02 04:09:10,431 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c2a3ac3f-0682-4fbc-b866-8a6be616791d/bin-2019/utaipan/data/8e5fbf7c2/be76c72c171941fab8a222d9cc59fa8f/FLAG5c748809b [2018-12-02 04:09:10,439 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c2a3ac3f-0682-4fbc-b866-8a6be616791d/bin-2019/utaipan/data/8e5fbf7c2/be76c72c171941fab8a222d9cc59fa8f [2018-12-02 04:09:10,441 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 04:09:10,442 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 04:09:10,443 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 04:09:10,443 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 04:09:10,445 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 04:09:10,445 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:09:10" (1/1) ... [2018-12-02 04:09:10,447 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ba821c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:09:10, skipping insertion in model container [2018-12-02 04:09:10,447 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:09:10" (1/1) ... [2018-12-02 04:09:10,451 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 04:09:10,475 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 04:09:10,655 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 04:09:10,658 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 04:09:10,757 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 04:09:10,770 INFO L195 MainTranslator]: Completed translation [2018-12-02 04:09:10,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:09:10 WrapperNode [2018-12-02 04:09:10,770 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 04:09:10,771 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 04:09:10,771 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 04:09:10,771 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 04:09:10,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:09:10" (1/1) ... [2018-12-02 04:09:10,790 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:09:10" (1/1) ... [2018-12-02 04:09:10,797 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 04:09:10,797 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 04:09:10,797 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 04:09:10,798 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 04:09:10,806 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:09:10" (1/1) ... [2018-12-02 04:09:10,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:09:10" (1/1) ... [2018-12-02 04:09:10,809 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:09:10" (1/1) ... [2018-12-02 04:09:10,809 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:09:10" (1/1) ... [2018-12-02 04:09:10,829 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:09:10" (1/1) ... [2018-12-02 04:09:10,837 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:09:10" (1/1) ... [2018-12-02 04:09:10,841 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:09:10" (1/1) ... [2018-12-02 04:09:10,847 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 04:09:10,847 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 04:09:10,847 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 04:09:10,847 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 04:09:10,848 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:09:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c2a3ac3f-0682-4fbc-b866-8a6be616791d/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 04:09:10,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 04:09:10,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 04:09:10,884 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-02 04:09:10,884 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-02 04:09:10,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 04:09:10,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 04:09:10,885 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 04:09:10,885 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 04:09:11,398 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 04:09:11,398 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-02 04:09:11,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:09:11 BoogieIcfgContainer [2018-12-02 04:09:11,399 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 04:09:11,399 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 04:09:11,399 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 04:09:11,402 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 04:09:11,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 04:09:10" (1/3) ... [2018-12-02 04:09:11,403 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1defa1f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:09:11, skipping insertion in model container [2018-12-02 04:09:11,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:09:10" (2/3) ... [2018-12-02 04:09:11,404 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1defa1f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:09:11, skipping insertion in model container [2018-12-02 04:09:11,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:09:11" (3/3) ... [2018-12-02 04:09:11,405 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label10_true-unreach-call_false-termination.c [2018-12-02 04:09:11,414 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 04:09:11,421 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 04:09:11,434 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 04:09:11,461 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 04:09:11,462 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 04:09:11,462 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 04:09:11,462 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 04:09:11,462 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 04:09:11,462 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 04:09:11,462 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 04:09:11,462 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 04:09:11,480 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2018-12-02 04:09:11,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-02 04:09:11,487 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:09:11,487 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 04:09:11,489 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:09:11,492 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:09:11,492 INFO L82 PathProgramCache]: Analyzing trace with hash 262180542, now seen corresponding path program 1 times [2018-12-02 04:09:11,494 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:09:11,524 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:09:11,524 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:09:11,524 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:09:11,525 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:09:11,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:09:11,744 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 04:09:11,745 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 04:09:11,746 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 04:09:11,746 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 04:09:11,749 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 04:09:11,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 04:09:11,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 04:09:11,759 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2018-12-02 04:09:12,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:09:12,170 INFO L93 Difference]: Finished difference Result 547 states and 938 transitions. [2018-12-02 04:09:12,171 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 04:09:12,171 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 116 [2018-12-02 04:09:12,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:09:12,182 INFO L225 Difference]: With dead ends: 547 [2018-12-02 04:09:12,182 INFO L226 Difference]: Without dead ends: 278 [2018-12-02 04:09:12,186 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 04:09:12,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2018-12-02 04:09:12,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2018-12-02 04:09:12,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2018-12-02 04:09:12,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 406 transitions. [2018-12-02 04:09:12,227 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 406 transitions. Word has length 116 [2018-12-02 04:09:12,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:09:12,228 INFO L480 AbstractCegarLoop]: Abstraction has 278 states and 406 transitions. [2018-12-02 04:09:12,228 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 04:09:12,228 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 406 transitions. [2018-12-02 04:09:12,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-12-02 04:09:12,232 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:09:12,232 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-02 04:09:12,232 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:09:12,233 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:09:12,233 INFO L82 PathProgramCache]: Analyzing trace with hash -363877541, now seen corresponding path program 1 times [2018-12-02 04:09:12,233 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:09:12,234 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:09:12,234 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:09:12,234 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:09:12,235 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:09:12,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:09:12,341 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 04:09:12,341 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 04:09:12,341 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 04:09:12,341 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 04:09:12,343 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 04:09:12,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 04:09:12,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 04:09:12,343 INFO L87 Difference]: Start difference. First operand 278 states and 406 transitions. Second operand 5 states. [2018-12-02 04:09:12,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:09:12,769 INFO L93 Difference]: Finished difference Result 840 states and 1253 transitions. [2018-12-02 04:09:12,769 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 04:09:12,769 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 125 [2018-12-02 04:09:12,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:09:12,772 INFO L225 Difference]: With dead ends: 840 [2018-12-02 04:09:12,772 INFO L226 Difference]: Without dead ends: 568 [2018-12-02 04:09:12,773 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-02 04:09:12,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 568 states. [2018-12-02 04:09:12,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 568 to 558. [2018-12-02 04:09:12,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 558 states. [2018-12-02 04:09:12,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 787 transitions. [2018-12-02 04:09:12,793 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 787 transitions. Word has length 125 [2018-12-02 04:09:12,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:09:12,793 INFO L480 AbstractCegarLoop]: Abstraction has 558 states and 787 transitions. [2018-12-02 04:09:12,793 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 04:09:12,793 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 787 transitions. [2018-12-02 04:09:12,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-12-02 04:09:12,795 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:09:12,795 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:09:12,795 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:09:12,795 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:09:12,795 INFO L82 PathProgramCache]: Analyzing trace with hash 403851526, now seen corresponding path program 1 times [2018-12-02 04:09:12,796 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:09:12,796 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:09:12,796 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:09:12,796 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:09:12,796 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:09:12,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:09:12,855 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 37 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 04:09:12,855 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 04:09:12,855 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 04:09:12,856 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 151 with the following transitions: [2018-12-02 04:09:12,857 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [573], [575], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-02 04:09:12,882 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 04:09:12,882 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 04:09:13,251 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 04:09:13,252 INFO L272 AbstractInterpreter]: Visited 120 different actions 233 times. Merged at 3 different actions 3 times. Never widened. Performed 3217 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3217 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-12-02 04:09:13,257 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:09:13,257 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 04:09:13,462 INFO L227 lantSequenceWeakener]: Weakened 147 states. On average, predicates are now at 81.87% of their original sizes. [2018-12-02 04:09:13,462 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 04:09:13,516 INFO L418 sIntCurrentIteration]: We unified 149 AI predicates to 149 [2018-12-02 04:09:13,516 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 04:09:13,516 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 04:09:13,516 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-02 04:09:13,516 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 04:09:13,517 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 04:09:13,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 04:09:13,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 04:09:13,517 INFO L87 Difference]: Start difference. First operand 558 states and 787 transitions. Second operand 10 states. [2018-12-02 04:09:16,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:09:16,226 INFO L93 Difference]: Finished difference Result 1901 states and 2750 transitions. [2018-12-02 04:09:16,226 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-02 04:09:16,226 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 150 [2018-12-02 04:09:16,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:09:16,229 INFO L225 Difference]: With dead ends: 1901 [2018-12-02 04:09:16,229 INFO L226 Difference]: Without dead ends: 1349 [2018-12-02 04:09:16,230 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 159 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-12-02 04:09:16,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1349 states. [2018-12-02 04:09:16,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1349 to 697. [2018-12-02 04:09:16,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 697 states. [2018-12-02 04:09:16,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 697 states and 938 transitions. [2018-12-02 04:09:16,254 INFO L78 Accepts]: Start accepts. Automaton has 697 states and 938 transitions. Word has length 150 [2018-12-02 04:09:16,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:09:16,255 INFO L480 AbstractCegarLoop]: Abstraction has 697 states and 938 transitions. [2018-12-02 04:09:16,255 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 04:09:16,255 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 938 transitions. [2018-12-02 04:09:16,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-12-02 04:09:16,258 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:09:16,258 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 04:09:16,258 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:09:16,259 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:09:16,259 INFO L82 PathProgramCache]: Analyzing trace with hash 72858025, now seen corresponding path program 1 times [2018-12-02 04:09:16,259 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:09:16,260 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:09:16,260 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:09:16,260 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:09:16,260 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:09:16,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:09:16,364 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 47 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 04:09:16,364 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 04:09:16,365 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 04:09:16,365 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 163 with the following transitions: [2018-12-02 04:09:16,365 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [573], [575], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-02 04:09:16,368 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 04:09:16,368 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 04:09:16,487 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 04:09:16,488 INFO L272 AbstractInterpreter]: Visited 121 different actions 236 times. Merged at 4 different actions 4 times. Never widened. Performed 3112 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3112 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-12-02 04:09:16,490 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:09:16,490 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 04:09:16,627 INFO L227 lantSequenceWeakener]: Weakened 159 states. On average, predicates are now at 81.83% of their original sizes. [2018-12-02 04:09:16,627 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 04:09:16,667 INFO L418 sIntCurrentIteration]: We unified 161 AI predicates to 161 [2018-12-02 04:09:16,667 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 04:09:16,668 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 04:09:16,668 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-02 04:09:16,668 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 04:09:16,668 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 04:09:16,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 04:09:16,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 04:09:16,669 INFO L87 Difference]: Start difference. First operand 697 states and 938 transitions. Second operand 10 states. [2018-12-02 04:09:18,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:09:18,333 INFO L93 Difference]: Finished difference Result 1662 states and 2203 transitions. [2018-12-02 04:09:18,333 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-02 04:09:18,333 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 162 [2018-12-02 04:09:18,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:09:18,336 INFO L225 Difference]: With dead ends: 1662 [2018-12-02 04:09:18,336 INFO L226 Difference]: Without dead ends: 971 [2018-12-02 04:09:18,337 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 169 GetRequests, 153 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 04:09:18,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 971 states. [2018-12-02 04:09:18,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 971 to 969. [2018-12-02 04:09:18,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 969 states. [2018-12-02 04:09:18,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 969 states to 969 states and 1235 transitions. [2018-12-02 04:09:18,359 INFO L78 Accepts]: Start accepts. Automaton has 969 states and 1235 transitions. Word has length 162 [2018-12-02 04:09:18,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:09:18,359 INFO L480 AbstractCegarLoop]: Abstraction has 969 states and 1235 transitions. [2018-12-02 04:09:18,359 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 04:09:18,359 INFO L276 IsEmpty]: Start isEmpty. Operand 969 states and 1235 transitions. [2018-12-02 04:09:18,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-12-02 04:09:18,362 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:09:18,362 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2018-12-02 04:09:18,362 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:09:18,363 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:09:18,363 INFO L82 PathProgramCache]: Analyzing trace with hash -2049914302, now seen corresponding path program 1 times [2018-12-02 04:09:18,363 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:09:18,363 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:09:18,364 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:09:18,364 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:09:18,364 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:09:18,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:09:18,418 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 59 proven. 14 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-02 04:09:18,418 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 04:09:18,419 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 04:09:18,419 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 174 with the following transitions: [2018-12-02 04:09:18,419 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [17], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [573], [575], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-02 04:09:18,422 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 04:09:18,422 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 04:09:18,620 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 04:09:18,620 INFO L272 AbstractInterpreter]: Visited 122 different actions 364 times. Merged at 6 different actions 18 times. Never widened. Performed 4986 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4986 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 3 different actions. Largest state had 42 variables. [2018-12-02 04:09:18,622 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:09:18,622 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 04:09:18,743 INFO L227 lantSequenceWeakener]: Weakened 170 states. On average, predicates are now at 83.31% of their original sizes. [2018-12-02 04:09:18,743 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 04:09:18,776 INFO L418 sIntCurrentIteration]: We unified 172 AI predicates to 172 [2018-12-02 04:09:18,777 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 04:09:18,777 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 04:09:18,777 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [5] total 13 [2018-12-02 04:09:18,777 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 04:09:18,777 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 04:09:18,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 04:09:18,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 04:09:18,777 INFO L87 Difference]: Start difference. First operand 969 states and 1235 transitions. Second operand 10 states. [2018-12-02 04:09:21,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:09:21,437 INFO L93 Difference]: Finished difference Result 2235 states and 2926 transitions. [2018-12-02 04:09:21,437 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-02 04:09:21,437 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 173 [2018-12-02 04:09:21,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:09:21,440 INFO L225 Difference]: With dead ends: 2235 [2018-12-02 04:09:21,440 INFO L226 Difference]: Without dead ends: 1544 [2018-12-02 04:09:21,441 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 183 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2018-12-02 04:09:21,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1544 states. [2018-12-02 04:09:21,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1544 to 1388. [2018-12-02 04:09:21,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1388 states. [2018-12-02 04:09:21,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1388 states to 1388 states and 1732 transitions. [2018-12-02 04:09:21,462 INFO L78 Accepts]: Start accepts. Automaton has 1388 states and 1732 transitions. Word has length 173 [2018-12-02 04:09:21,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:09:21,462 INFO L480 AbstractCegarLoop]: Abstraction has 1388 states and 1732 transitions. [2018-12-02 04:09:21,462 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 04:09:21,462 INFO L276 IsEmpty]: Start isEmpty. Operand 1388 states and 1732 transitions. [2018-12-02 04:09:21,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-12-02 04:09:21,464 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:09:21,464 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:09:21,464 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:09:21,464 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:09:21,465 INFO L82 PathProgramCache]: Analyzing trace with hash -949215957, now seen corresponding path program 1 times [2018-12-02 04:09:21,465 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:09:21,465 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:09:21,465 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:09:21,465 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:09:21,465 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:09:21,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:09:21,528 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 87 proven. 15 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-02 04:09:21,529 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 04:09:21,529 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 04:09:21,529 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 196 with the following transitions: [2018-12-02 04:09:21,529 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [573], [575], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-02 04:09:21,531 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 04:09:21,531 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 04:09:21,625 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 04:09:21,625 INFO L272 AbstractInterpreter]: Visited 121 different actions 236 times. Merged at 4 different actions 4 times. Never widened. Performed 3174 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3174 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-12-02 04:09:21,626 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:09:21,627 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 04:09:21,746 INFO L227 lantSequenceWeakener]: Weakened 192 states. On average, predicates are now at 81.79% of their original sizes. [2018-12-02 04:09:21,746 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 04:09:21,799 INFO L418 sIntCurrentIteration]: We unified 194 AI predicates to 194 [2018-12-02 04:09:21,799 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 04:09:21,800 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 04:09:21,800 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-02 04:09:21,800 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 04:09:21,800 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 04:09:21,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 04:09:21,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 04:09:21,800 INFO L87 Difference]: Start difference. First operand 1388 states and 1732 transitions. Second operand 10 states. [2018-12-02 04:09:24,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:09:24,371 INFO L93 Difference]: Finished difference Result 2772 states and 3550 transitions. [2018-12-02 04:09:24,371 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-02 04:09:24,371 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 195 [2018-12-02 04:09:24,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:09:24,374 INFO L225 Difference]: With dead ends: 2772 [2018-12-02 04:09:24,374 INFO L226 Difference]: Without dead ends: 1662 [2018-12-02 04:09:24,375 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 203 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-12-02 04:09:24,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1662 states. [2018-12-02 04:09:24,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1662 to 1660. [2018-12-02 04:09:24,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1660 states. [2018-12-02 04:09:24,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1660 states to 1660 states and 2046 transitions. [2018-12-02 04:09:24,396 INFO L78 Accepts]: Start accepts. Automaton has 1660 states and 2046 transitions. Word has length 195 [2018-12-02 04:09:24,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:09:24,397 INFO L480 AbstractCegarLoop]: Abstraction has 1660 states and 2046 transitions. [2018-12-02 04:09:24,397 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 04:09:24,397 INFO L276 IsEmpty]: Start isEmpty. Operand 1660 states and 2046 transitions. [2018-12-02 04:09:24,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-12-02 04:09:24,399 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:09:24,399 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 04:09:24,399 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:09:24,399 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:09:24,399 INFO L82 PathProgramCache]: Analyzing trace with hash -1061646224, now seen corresponding path program 1 times [2018-12-02 04:09:24,400 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:09:24,400 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:09:24,400 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:09:24,400 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:09:24,400 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:09:24,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:09:24,473 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 84 proven. 43 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-02 04:09:24,473 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 04:09:24,473 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 04:09:24,473 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 204 with the following transitions: [2018-12-02 04:09:24,473 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [573], [575], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-02 04:09:24,475 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 04:09:24,475 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 04:09:24,742 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 04:09:24,742 INFO L272 AbstractInterpreter]: Visited 123 different actions 492 times. Merged at 8 different actions 33 times. Widened at 1 different actions 1 times. Performed 6957 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6957 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 8 fixpoints after 3 different actions. Largest state had 42 variables. [2018-12-02 04:09:24,744 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:09:24,744 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 04:09:24,744 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 04:09:24,744 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c2a3ac3f-0682-4fbc-b866-8a6be616791d/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 04:09:24,751 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:09:24,751 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 04:09:24,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:09:24,819 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 04:09:24,875 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 101 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-12-02 04:09:24,876 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 04:09:24,943 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 89 proven. 36 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-02 04:09:24,969 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 04:09:24,970 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-12-02 04:09:24,970 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 04:09:24,970 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-02 04:09:24,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-02 04:09:24,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-12-02 04:09:24,971 INFO L87 Difference]: Start difference. First operand 1660 states and 2046 transitions. Second operand 11 states. [2018-12-02 04:09:26,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:09:26,068 INFO L93 Difference]: Finished difference Result 4728 states and 6227 transitions. [2018-12-02 04:09:26,068 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-02 04:09:26,068 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 203 [2018-12-02 04:09:26,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:09:26,074 INFO L225 Difference]: With dead ends: 4728 [2018-12-02 04:09:26,074 INFO L226 Difference]: Without dead ends: 3481 [2018-12-02 04:09:26,076 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 429 GetRequests, 409 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=111, Invalid=269, Unknown=0, NotChecked=0, Total=380 [2018-12-02 04:09:26,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3481 states. [2018-12-02 04:09:26,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3481 to 3070. [2018-12-02 04:09:26,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3070 states. [2018-12-02 04:09:26,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3070 states to 3070 states and 3823 transitions. [2018-12-02 04:09:26,115 INFO L78 Accepts]: Start accepts. Automaton has 3070 states and 3823 transitions. Word has length 203 [2018-12-02 04:09:26,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:09:26,116 INFO L480 AbstractCegarLoop]: Abstraction has 3070 states and 3823 transitions. [2018-12-02 04:09:26,116 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-02 04:09:26,116 INFO L276 IsEmpty]: Start isEmpty. Operand 3070 states and 3823 transitions. [2018-12-02 04:09:26,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-12-02 04:09:26,120 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:09:26,120 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 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, 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] [2018-12-02 04:09:26,120 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:09:26,120 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:09:26,120 INFO L82 PathProgramCache]: Analyzing trace with hash -1638505872, now seen corresponding path program 1 times [2018-12-02 04:09:26,120 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:09:26,121 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:09:26,121 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:09:26,121 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:09:26,121 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:09:26,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:09:26,192 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 134 proven. 2 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-02 04:09:26,192 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 04:09:26,192 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 04:09:26,193 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 213 with the following transitions: [2018-12-02 04:09:26,193 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [173], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [573], [575], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-02 04:09:26,194 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 04:09:26,194 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 04:09:26,341 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 04:09:26,341 INFO L272 AbstractInterpreter]: Visited 122 different actions 358 times. Merged at 6 different actions 12 times. Never widened. Performed 4757 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4757 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 2 different actions. Largest state had 42 variables. [2018-12-02 04:09:26,342 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:09:26,342 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 04:09:26,484 INFO L227 lantSequenceWeakener]: Weakened 209 states. On average, predicates are now at 83.41% of their original sizes. [2018-12-02 04:09:26,484 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 04:09:26,521 INFO L418 sIntCurrentIteration]: We unified 211 AI predicates to 211 [2018-12-02 04:09:26,521 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 04:09:26,521 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 04:09:26,521 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-02 04:09:26,521 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 04:09:26,522 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 04:09:26,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 04:09:26,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 04:09:26,522 INFO L87 Difference]: Start difference. First operand 3070 states and 3823 transitions. Second operand 10 states. [2018-12-02 04:09:28,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:09:28,083 INFO L93 Difference]: Finished difference Result 6284 states and 7892 transitions. [2018-12-02 04:09:28,083 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-02 04:09:28,083 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 212 [2018-12-02 04:09:28,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:09:28,089 INFO L225 Difference]: With dead ends: 6284 [2018-12-02 04:09:28,089 INFO L226 Difference]: Without dead ends: 3764 [2018-12-02 04:09:28,092 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 219 GetRequests, 203 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 04:09:28,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3764 states. [2018-12-02 04:09:28,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3764 to 3624. [2018-12-02 04:09:28,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3624 states. [2018-12-02 04:09:28,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3624 states to 3624 states and 4468 transitions. [2018-12-02 04:09:28,133 INFO L78 Accepts]: Start accepts. Automaton has 3624 states and 4468 transitions. Word has length 212 [2018-12-02 04:09:28,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:09:28,133 INFO L480 AbstractCegarLoop]: Abstraction has 3624 states and 4468 transitions. [2018-12-02 04:09:28,133 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 04:09:28,133 INFO L276 IsEmpty]: Start isEmpty. Operand 3624 states and 4468 transitions. [2018-12-02 04:09:28,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-12-02 04:09:28,137 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:09:28,138 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 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, 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] [2018-12-02 04:09:28,138 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:09:28,138 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:09:28,138 INFO L82 PathProgramCache]: Analyzing trace with hash -7324983, now seen corresponding path program 1 times [2018-12-02 04:09:28,138 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:09:28,139 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:09:28,139 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:09:28,139 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:09:28,139 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:09:28,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:09:28,179 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 110 proven. 20 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-12-02 04:09:28,179 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 04:09:28,179 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 04:09:28,179 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 224 with the following transitions: [2018-12-02 04:09:28,179 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [17], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [173], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [573], [575], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-02 04:09:28,181 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 04:09:28,181 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 04:09:28,480 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 04:09:28,480 INFO L272 AbstractInterpreter]: Visited 124 different actions 621 times. Merged at 9 different actions 44 times. Widened at 1 different actions 1 times. Performed 8927 root evaluator evaluations with a maximum evaluation depth of 3. Performed 8927 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 13 fixpoints after 3 different actions. Largest state had 42 variables. [2018-12-02 04:09:28,482 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:09:28,482 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 04:09:28,482 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 04:09:28,482 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c2a3ac3f-0682-4fbc-b866-8a6be616791d/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 04:09:28,490 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:09:28,490 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 04:09:28,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:09:28,541 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 04:09:28,617 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 73 proven. 2 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-12-02 04:09:28,617 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 04:09:28,675 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 110 proven. 20 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-12-02 04:09:28,690 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 04:09:28,690 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2018-12-02 04:09:28,690 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 04:09:28,690 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 04:09:28,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 04:09:28,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-12-02 04:09:28,691 INFO L87 Difference]: Start difference. First operand 3624 states and 4468 transitions. Second operand 8 states. [2018-12-02 04:09:30,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:09:30,620 INFO L93 Difference]: Finished difference Result 10882 states and 14082 transitions. [2018-12-02 04:09:30,621 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-12-02 04:09:30,621 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 223 [2018-12-02 04:09:30,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:09:30,636 INFO L225 Difference]: With dead ends: 10882 [2018-12-02 04:09:30,636 INFO L226 Difference]: Without dead ends: 7788 [2018-12-02 04:09:30,642 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 485 GetRequests, 458 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=181, Invalid=631, Unknown=0, NotChecked=0, Total=812 [2018-12-02 04:09:30,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7788 states. [2018-12-02 04:09:30,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7788 to 7333. [2018-12-02 04:09:30,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7333 states. [2018-12-02 04:09:30,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7333 states to 7333 states and 8469 transitions. [2018-12-02 04:09:30,729 INFO L78 Accepts]: Start accepts. Automaton has 7333 states and 8469 transitions. Word has length 223 [2018-12-02 04:09:30,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:09:30,729 INFO L480 AbstractCegarLoop]: Abstraction has 7333 states and 8469 transitions. [2018-12-02 04:09:30,729 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 04:09:30,729 INFO L276 IsEmpty]: Start isEmpty. Operand 7333 states and 8469 transitions. [2018-12-02 04:09:30,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2018-12-02 04:09:30,736 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:09:30,737 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 04:09:30,737 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:09:30,737 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:09:30,737 INFO L82 PathProgramCache]: Analyzing trace with hash -1244426434, now seen corresponding path program 1 times [2018-12-02 04:09:30,737 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:09:30,738 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:09:30,738 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:09:30,738 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:09:30,738 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:09:30,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:09:30,832 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 158 proven. 45 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-02 04:09:30,833 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 04:09:30,833 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 04:09:30,833 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 229 with the following transitions: [2018-12-02 04:09:30,833 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [105], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [573], [575], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-02 04:09:30,834 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 04:09:30,834 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 04:09:31,058 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 04:09:31,058 INFO L272 AbstractInterpreter]: Visited 123 different actions 484 times. Merged at 8 different actions 25 times. Never widened. Performed 6999 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6999 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 7 fixpoints after 4 different actions. Largest state had 42 variables. [2018-12-02 04:09:31,060 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:09:31,060 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 04:09:31,060 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 04:09:31,060 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c2a3ac3f-0682-4fbc-b866-8a6be616791d/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 04:09:31,066 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:09:31,066 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 04:09:31,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:09:31,117 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 04:09:31,156 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 144 proven. 19 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-12-02 04:09:31,156 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 04:09:31,216 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 161 proven. 2 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-12-02 04:09:31,233 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 04:09:31,234 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 4, 4] total 12 [2018-12-02 04:09:31,234 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 04:09:31,234 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-02 04:09:31,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-02 04:09:31,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2018-12-02 04:09:31,234 INFO L87 Difference]: Start difference. First operand 7333 states and 8469 transitions. Second operand 11 states. [2018-12-02 04:09:32,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:09:32,849 INFO L93 Difference]: Finished difference Result 15777 states and 19474 transitions. [2018-12-02 04:09:32,849 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-12-02 04:09:32,849 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 228 [2018-12-02 04:09:32,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:09:32,849 INFO L225 Difference]: With dead ends: 15777 [2018-12-02 04:09:32,849 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 04:09:32,872 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 512 GetRequests, 471 SyntacticMatches, 3 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 428 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=304, Invalid=1256, Unknown=0, NotChecked=0, Total=1560 [2018-12-02 04:09:32,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 04:09:32,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 04:09:32,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 04:09:32,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 04:09:32,873 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 228 [2018-12-02 04:09:32,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:09:32,873 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 04:09:32,873 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-02 04:09:32,873 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 04:09:32,873 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 04:09:32,877 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 04:09:32,912 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:09:33,017 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:09:33,059 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:09:33,080 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:09:33,139 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:09:33,157 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:09:33,217 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:09:33,245 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:09:33,248 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:09:33,251 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:09:33,257 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:09:33,275 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:09:33,308 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:09:33,322 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:09:33,335 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:09:33,346 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:09:33,351 WARN L180 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 134 [2018-12-02 04:09:33,364 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:09:33,368 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:09:33,370 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:09:33,426 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:09:33,428 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:09:33,436 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:09:33,442 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:09:33,457 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:09:33,490 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:09:33,505 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:09:33,523 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:09:33,540 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:09:33,543 WARN L180 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 147 [2018-12-02 04:09:35,009 WARN L180 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 287 DAG size of output: 107 [2018-12-02 04:09:35,349 WARN L180 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 67 [2018-12-02 04:09:35,655 WARN L180 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 64 [2018-12-02 04:09:35,656 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 04:09:35,656 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= |old(~a20~0)| ~a20~0) (<= ~a21~0 |old(~a21~0)|) (= ~a16~0 |old(~a16~0)|)) [2018-12-02 04:09:35,656 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 04:09:35,656 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-12-02 04:09:35,656 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-12-02 04:09:35,657 INFO L448 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 04:09:35,657 INFO L448 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 04:09:35,657 INFO L448 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 04:09:35,657 INFO L448 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 04:09:35,657 INFO L448 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 04:09:35,657 INFO L448 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 04:09:35,657 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-12-02 04:09:35,657 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-12-02 04:09:35,657 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-12-02 04:09:35,657 INFO L448 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-12-02 04:09:35,657 INFO L448 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-12-02 04:09:35,657 INFO L448 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-12-02 04:09:35,657 INFO L448 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-12-02 04:09:35,657 INFO L448 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-12-02 04:09:35,657 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-12-02 04:09:35,657 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-12-02 04:09:35,657 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 04:09:35,657 INFO L448 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 04:09:35,657 INFO L448 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 04:09:35,657 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 04:09:35,657 INFO L448 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 04:09:35,657 INFO L448 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 04:09:35,657 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-12-02 04:09:35,657 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-12-02 04:09:35,658 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 506) no Hoare annotation was computed. [2018-12-02 04:09:35,658 INFO L448 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-12-02 04:09:35,658 INFO L448 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-12-02 04:09:35,658 INFO L448 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-12-02 04:09:35,658 INFO L448 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-12-02 04:09:35,658 INFO L448 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-12-02 04:09:35,658 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-12-02 04:09:35,658 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-12-02 04:09:35,658 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-12-02 04:09:35,658 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-12-02 04:09:35,658 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-12-02 04:09:35,658 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-12-02 04:09:35,658 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-12-02 04:09:35,658 INFO L448 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-12-02 04:09:35,658 INFO L448 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 04:09:35,658 INFO L448 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 04:09:35,658 INFO L448 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 04:09:35,658 INFO L448 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 04:09:35,658 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 04:09:35,658 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-12-02 04:09:35,658 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-12-02 04:09:35,658 INFO L448 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-12-02 04:09:35,658 INFO L448 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-12-02 04:09:35,659 INFO L448 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-12-02 04:09:35,659 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-12-02 04:09:35,659 INFO L448 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-12-02 04:09:35,659 INFO L448 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-12-02 04:09:35,659 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-12-02 04:09:35,659 INFO L448 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 04:09:35,659 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 04:09:35,659 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 04:09:35,659 INFO L448 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 04:09:35,659 INFO L448 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 04:09:35,659 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-12-02 04:09:35,659 INFO L448 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-12-02 04:09:35,659 INFO L448 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-12-02 04:09:35,659 INFO L448 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-12-02 04:09:35,659 INFO L448 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-12-02 04:09:35,659 INFO L448 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-12-02 04:09:35,659 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-12-02 04:09:35,659 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-12-02 04:09:35,659 INFO L448 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-12-02 04:09:35,659 INFO L448 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-12-02 04:09:35,659 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-12-02 04:09:35,659 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-12-02 04:09:35,659 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-12-02 04:09:35,659 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 04:09:35,659 INFO L448 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 04:09:35,660 INFO L448 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 04:09:35,660 INFO L448 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 04:09:35,660 INFO L448 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 04:09:35,660 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-12-02 04:09:35,660 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-12-02 04:09:35,660 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-12-02 04:09:35,660 INFO L448 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-12-02 04:09:35,660 INFO L448 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-12-02 04:09:35,660 INFO L448 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-12-02 04:09:35,660 INFO L448 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-12-02 04:09:35,660 INFO L448 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-12-02 04:09:35,660 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-12-02 04:09:35,660 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-12-02 04:09:35,660 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-12-02 04:09:35,660 INFO L448 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 04:09:35,660 INFO L448 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 04:09:35,660 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 04:09:35,660 INFO L448 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 04:09:35,660 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-12-02 04:09:35,660 INFO L448 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 04:09:35,660 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-12-02 04:09:35,660 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-12-02 04:09:35,660 INFO L448 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-12-02 04:09:35,660 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-12-02 04:09:35,660 INFO L448 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-12-02 04:09:35,661 INFO L448 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-12-02 04:09:35,661 INFO L448 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-12-02 04:09:35,661 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-12-02 04:09:35,661 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-12-02 04:09:35,661 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-12-02 04:09:35,661 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-12-02 04:09:35,661 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-12-02 04:09:35,661 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-12-02 04:09:35,661 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 04:09:35,661 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 04:09:35,661 INFO L448 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 04:09:35,661 INFO L448 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 04:09:35,661 INFO L448 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 04:09:35,661 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-12-02 04:09:35,661 INFO L448 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-12-02 04:09:35,661 INFO L448 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-12-02 04:09:35,661 INFO L448 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-12-02 04:09:35,661 INFO L448 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-12-02 04:09:35,661 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-12-02 04:09:35,661 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-12-02 04:09:35,661 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-12-02 04:09:35,661 INFO L448 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 04:09:35,661 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 04:09:35,661 INFO L448 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 04:09:35,661 INFO L448 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 04:09:35,661 INFO L448 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 04:09:35,662 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-12-02 04:09:35,662 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-12-02 04:09:35,662 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-12-02 04:09:35,662 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-12-02 04:09:35,662 INFO L448 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-12-02 04:09:35,662 INFO L448 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-12-02 04:09:35,662 INFO L448 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-12-02 04:09:35,662 INFO L448 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-12-02 04:09:35,662 INFO L448 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-12-02 04:09:35,662 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-12-02 04:09:35,662 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse4 (= 1 |old(~a20~0)|))) (let ((.cse21 (= 1 |old(~a7~0)|)) (.cse26 (= ~a17~0 1)) (.cse16 (= ~a21~0 1)) (.cse11 (not (= 1 |old(~a21~0)|))) (.cse12 (not .cse4)) (.cse31 (= 0 |old(~a16~0)|)) (.cse15 (not (= 8 ~a12~0))) (.cse9 (= |calculate_output_#in~input| 0)) (.cse20 (not (= 1 |old(~a17~0)|))) (.cse29 (<= ~a21~0 |old(~a21~0)|)) (.cse30 (= ~a16~0 |old(~a16~0)|)) (.cse1 (= ~a7~0 |old(~a7~0)|)) (.cse2 (= |old(~a8~0)| ~a8~0)) (.cse3 (= |old(~a20~0)| ~a20~0))) (let ((.cse24 (and .cse1 .cse2 .cse3)) (.cse8 (< 0 |old(~a21~0)|)) (.cse25 (and .cse1 .cse2 .cse3 .cse29 .cse30)) (.cse18 (not (= 4 |old(~a16~0)|))) (.cse6 (< 13 |old(~a8~0)|)) (.cse28 (or .cse11 .cse12 .cse31 .cse15 .cse9 .cse20)) (.cse17 (= ~a17~0 0)) (.cse14 (not (= 0 |old(~a17~0)|))) (.cse27 (not (= 5 |old(~a16~0)|))) (.cse0 (= 6 |old(~a16~0)|)) (.cse10 (not (= 0 |old(~a7~0)|))) (.cse13 (not (= 15 |old(~a8~0)|))) (.cse22 (and .cse26 .cse16)) (.cse23 (= 0 |old(~a8~0)|)) (.cse5 (and (= 1 ~a7~0) .cse2 .cse3 .cse29 .cse30)) (.cse7 (not .cse21)) (.cse19 (= 13 |old(~a8~0)|))) (and (or .cse0 (= |old(~a7~0)| 1) (and .cse1 .cse2 .cse3 (not (= ~a16~0 6))) .cse4) (or .cse5 .cse6 (< |old(~a20~0)| 1) .cse7 .cse8) (or .cse9 (or (not .cse0) .cse10 .cse11 .cse12 .cse13 .cse14 .cse15) (and .cse16 .cse17)) (or .cse11 .cse18 .cse19 .cse15 .cse9 .cse20 .cse21 .cse22 .cse23) (or .cse21 .cse24 .cse18) (or .cse25 .cse8 .cse0) (or .cse10 .cse26 .cse13 .cse27 .cse28) (or (and .cse29 .cse30 .cse24) .cse12 .cse8) (or (or .cse11 .cse13 .cse27) .cse15 .cse9 .cse4 .cse20 .cse21 .cse22) (or .cse21 .cse25 .cse19) (or .cse21 (and .cse29 .cse30) .cse18) (or .cse6 (or .cse28 .cse23) (and .cse1 (and (not (= ~a16~0 0)) .cse2 .cse26 (= ~a20~0 1) .cse16))) (or .cse0 .cse19 .cse5 .cse7) (or .cse9 (or (and .cse17 .cse16) .cse22) (or .cse10 .cse11 .cse13 .cse14 .cse27 .cse15)) (or .cse0 .cse10 .cse11 .cse15 .cse9 .cse12 .cse13 .cse16 .cse31) (or .cse11 .cse21 .cse22 .cse19 .cse31 .cse15 .cse9 .cse23 (< 0 |old(~a20~0)|) .cse20) (or .cse5 .cse7 (or .cse12 .cse19)))))) [2018-12-02 04:09:35,662 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-12-02 04:09:35,662 INFO L448 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 04:09:35,662 INFO L448 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 04:09:35,662 INFO L448 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 04:09:35,662 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 04:09:35,662 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-12-02 04:09:35,662 INFO L448 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 04:09:35,662 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-12-02 04:09:35,662 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-12-02 04:09:35,663 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-12-02 04:09:35,663 INFO L448 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-12-02 04:09:35,663 INFO L448 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-12-02 04:09:35,663 INFO L448 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-12-02 04:09:35,663 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-12-02 04:09:35,663 INFO L448 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-12-02 04:09:35,663 INFO L448 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-12-02 04:09:35,663 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-12-02 04:09:35,663 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-12-02 04:09:35,663 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-12-02 04:09:35,663 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-12-02 04:09:35,663 INFO L448 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 04:09:35,663 INFO L448 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 04:09:35,663 INFO L448 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 04:09:35,663 INFO L448 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 04:09:35,663 INFO L448 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 04:09:35,663 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-12-02 04:09:35,663 INFO L448 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 04:09:35,663 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-12-02 04:09:35,663 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-12-02 04:09:35,663 INFO L448 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-12-02 04:09:35,663 INFO L448 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-12-02 04:09:35,663 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-12-02 04:09:35,663 INFO L448 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-12-02 04:09:35,663 INFO L448 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-12-02 04:09:35,663 INFO L448 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-12-02 04:09:35,664 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-12-02 04:09:35,664 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-12-02 04:09:35,664 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-12-02 04:09:35,664 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-12-02 04:09:35,664 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-12-02 04:09:35,664 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-12-02 04:09:35,664 INFO L448 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 04:09:35,664 INFO L448 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 04:09:35,664 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 04:09:35,664 INFO L448 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 04:09:35,664 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 04:09:35,664 INFO L448 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 04:09:35,664 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-12-02 04:09:35,664 INFO L448 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-12-02 04:09:35,664 INFO L448 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-12-02 04:09:35,664 INFO L448 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-12-02 04:09:35,664 INFO L448 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-12-02 04:09:35,664 INFO L448 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-12-02 04:09:35,664 INFO L448 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-12-02 04:09:35,664 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-12-02 04:09:35,664 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-12-02 04:09:35,664 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-12-02 04:09:35,664 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 04:09:35,664 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a7~0 0) (= ~a8~0 15) (= ~a17~0 1) (= ~a12~0 8) (= ~a21~0 1) (= ~a20~0 1) (= ~a16~0 5)) [2018-12-02 04:09:35,664 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 04:09:35,665 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 04:09:35,665 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a21~0)|)) (not (= 1 |old(~a20~0)|)) (not (= 15 |old(~a8~0)|)) (not (= 5 |old(~a16~0)|)) (and (= ~a17~0 1) (= ~a21~0 1) (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= ~a20~0 1) (= ~a16~0 5)) (not (= 8 ~a12~0)) (not (= 1 |old(~a17~0)|))) [2018-12-02 04:09:35,665 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-12-02 04:09:35,665 INFO L444 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (not (= ~a7~0 1))) (.cse4 (not (= ~a16~0 6))) (.cse1 (not (= ~a8~0 13))) (.cse3 (= ~a20~0 1)) (.cse2 (<= ~a21~0 0)) (.cse5 (= |old(~a20~0)| ~a20~0))) (or (not (= 1 |old(~a21~0)|)) (not (= 8 ~a12~0)) (not (= 1 |old(~a20~0)|)) (and .cse0 .cse1) (not (= 5 |old(~a16~0)|)) (and .cse0 (= ~a16~0 4)) (and (<= ~a8~0 13) (= 1 ~a7~0) .cse2 (<= 1 ~a20~0)) (and (= ~a7~0 |old(~a7~0)|) (not .cse3) .cse4) (and .cse2 .cse4) (and .cse4 .cse1) (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a17~0)|)) (not (= 15 |old(~a8~0)|)) (and .cse5 .cse1) (and (not (= ~a16~0 0)) (not (= main_~input~0 0)) (= ~a17~0 1) (= ~a21~0 1) .cse3) (and .cse2 .cse5))) [2018-12-02 04:09:35,665 INFO L448 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-12-02 04:09:35,665 INFO L448 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-12-02 04:09:35,665 INFO L444 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse0 (not (= ~a7~0 1))) (.cse4 (not (= ~a16~0 6))) (.cse3 (= ~a20~0 1)) (.cse1 (not (= ~a8~0 13))) (.cse2 (<= ~a21~0 0)) (.cse5 (= |old(~a20~0)| ~a20~0))) (or (not (= 1 |old(~a21~0)|)) (not (= 8 ~a12~0)) (not (= 1 |old(~a20~0)|)) (and .cse0 .cse1) (not (= 5 |old(~a16~0)|)) (and .cse0 (= ~a16~0 4)) (and (<= ~a8~0 13) (= 1 ~a7~0) .cse2 (<= 1 ~a20~0)) (and (= ~a7~0 |old(~a7~0)|) (not .cse3) .cse4) (and .cse2 .cse4) (and .cse4 .cse1) (not (= 0 |old(~a7~0)|)) (and (not (= ~a16~0 0)) (= ~a17~0 1) (= ~a21~0 1) .cse3) (not (= 1 |old(~a17~0)|)) (not (= 15 |old(~a8~0)|)) (and .cse5 .cse1) (and .cse2 .cse5))) [2018-12-02 04:09:35,665 INFO L448 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2018-12-02 04:09:35,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 04:09:35 BoogieIcfgContainer [2018-12-02 04:09:35,672 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 04:09:35,672 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 04:09:35,672 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 04:09:35,672 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 04:09:35,673 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:09:11" (3/4) ... [2018-12-02 04:09:35,675 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 04:09:35,679 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 04:09:35,679 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-02 04:09:35,679 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 04:09:35,685 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-02 04:09:35,685 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-02 04:09:35,702 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((!(1 == \old(a21)) || !(8 == a12)) || !(1 == \old(a20))) || (!(a7 == 1) && !(a8 == 13))) || !(5 == \old(a16))) || (!(a7 == 1) && a16 == 4)) || (((a8 <= 13 && 1 == a7) && a21 <= 0) && 1 <= a20)) || ((a7 == \old(a7) && !(a20 == 1)) && !(a16 == 6))) || (a21 <= 0 && !(a16 == 6))) || (!(a16 == 6) && !(a8 == 13))) || !(0 == \old(a7))) || (((!(a16 == 0) && a17 == 1) && a21 == 1) && a20 == 1)) || !(1 == \old(a17))) || !(15 == \old(a8))) || (\old(a20) == a20 && !(a8 == 13))) || (a21 <= 0 && \old(a20) == a20) [2018-12-02 04:09:35,747 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c2a3ac3f-0682-4fbc-b866-8a6be616791d/bin-2019/utaipan/witness.graphml [2018-12-02 04:09:35,747 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 04:09:35,747 INFO L168 Benchmark]: Toolchain (without parser) took 25305.86 ms. Allocated memory was 1.0 GB in the beginning and 2.4 GB in the end (delta: 1.4 GB). Free memory was 946.3 MB in the beginning and 906.4 MB in the end (delta: 39.9 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. [2018-12-02 04:09:35,748 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 04:09:35,748 INFO L168 Benchmark]: CACSL2BoogieTranslator took 327.71 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.3 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -138.9 MB). Peak memory consumption was 32.8 MB. Max. memory is 11.5 GB. [2018-12-02 04:09:35,748 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.57 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 04:09:35,748 INFO L168 Benchmark]: Boogie Preprocessor took 49.45 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2018-12-02 04:09:35,748 INFO L168 Benchmark]: RCFGBuilder took 551.65 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 973.3 MB in the end (delta: 104.8 MB). Peak memory consumption was 104.8 MB. Max. memory is 11.5 GB. [2018-12-02 04:09:35,748 INFO L168 Benchmark]: TraceAbstraction took 24272.73 ms. Allocated memory was 1.1 GB in the beginning and 2.4 GB in the end (delta: 1.3 GB). Free memory was 973.3 MB in the beginning and 936.1 MB in the end (delta: 37.2 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2018-12-02 04:09:35,749 INFO L168 Benchmark]: Witness Printer took 74.60 ms. Allocated memory is still 2.4 GB. Free memory was 936.1 MB in the beginning and 906.4 MB in the end (delta: 29.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 11.5 GB. [2018-12-02 04:09:35,750 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 327.71 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.3 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -138.9 MB). Peak memory consumption was 32.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.57 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 49.45 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 551.65 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 973.3 MB in the end (delta: 104.8 MB). Peak memory consumption was 104.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 24272.73 ms. Allocated memory was 1.1 GB in the beginning and 2.4 GB in the end (delta: 1.3 GB). Free memory was 973.3 MB in the beginning and 936.1 MB in the end (delta: 37.2 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. * Witness Printer took 74.60 ms. Allocated memory is still 2.4 GB. Free memory was 936.1 MB in the beginning and 906.4 MB in the end (delta: 29.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 506]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((((((((((((!(1 == \old(a21)) || !(8 == a12)) || !(1 == \old(a20))) || (!(a7 == 1) && !(a8 == 13))) || !(5 == \old(a16))) || (!(a7 == 1) && a16 == 4)) || (((a8 <= 13 && 1 == a7) && a21 <= 0) && 1 <= a20)) || ((a7 == \old(a7) && !(a20 == 1)) && !(a16 == 6))) || (a21 <= 0 && !(a16 == 6))) || (!(a16 == 6) && !(a8 == 13))) || !(0 == \old(a7))) || (((!(a16 == 0) && a17 == 1) && a21 == 1) && a20 == 1)) || !(1 == \old(a17))) || !(15 == \old(a8))) || (\old(a20) == a20 && !(a8 == 13))) || (a21 <= 0 && \old(a20) == a20) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. SAFE Result, 24.2s OverallTime, 10 OverallIterations, 6 TraceHistogramMax, 16.7s AutomataDifference, 0.0s DeadEndRemovalTime, 2.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 580 SDtfs, 8767 SDslu, 901 SDs, 0 SdLazy, 12288 SolverSat, 2052 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.0s Time, PredicateUnifierStatistics: 10 DeclaredPredicates, 2373 GetRequests, 2189 SyntacticMatches, 8 SemanticMatches, 176 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 869 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7333occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.7s AbstIntTime, 8 AbstIntIterations, 5 AbstIntStrong, 0.9965996330541701 AbsIntWeakeningRatio, 0.237880496054115 AbsIntAvgWeakeningVarsNumRemoved, 27.92108229988726 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 1828 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 293 PreInvPairs, 629 NumberOfFragments, 867 HoareAnnotationTreeSize, 293 FomulaSimplifications, 68169 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 7 FomulaSimplificationsInter, 16280 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 2441 NumberOfCodeBlocks, 2441 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 3079 ConstructedInterpolants, 0 QuantifiedInterpolants, 1135458 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1859 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 16 InterpolantComputations, 2 PerfectInterpolantSequences, 2024/2261 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...