./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label28_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_21a080c8-afcb-4b9d-89fa-1053e747def8/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_21a080c8-afcb-4b9d-89fa-1053e747def8/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_21a080c8-afcb-4b9d-89fa-1053e747def8/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_21a080c8-afcb-4b9d-89fa-1053e747def8/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label28_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_21a080c8-afcb-4b9d-89fa-1053e747def8/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_21a080c8-afcb-4b9d-89fa-1053e747def8/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 3b05d579dd12f755368a6bf22b0fd6149bd3ba2b ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 07:21:50,813 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 07:21:50,814 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 07:21:50,821 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 07:21:50,821 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 07:21:50,822 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 07:21:50,822 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 07:21:50,823 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 07:21:50,824 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 07:21:50,825 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 07:21:50,825 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 07:21:50,825 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 07:21:50,826 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 07:21:50,826 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 07:21:50,827 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 07:21:50,827 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 07:21:50,828 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 07:21:50,829 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 07:21:50,830 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 07:21:50,830 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 07:21:50,831 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 07:21:50,832 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 07:21:50,833 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 07:21:50,834 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 07:21:50,834 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 07:21:50,834 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 07:21:50,835 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 07:21:50,835 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 07:21:50,836 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 07:21:50,836 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 07:21:50,837 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 07:21:50,837 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 07:21:50,837 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 07:21:50,837 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 07:21:50,838 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 07:21:50,838 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 07:21:50,839 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_21a080c8-afcb-4b9d-89fa-1053e747def8/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 07:21:50,848 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 07:21:50,849 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 07:21:50,849 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 07:21:50,849 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 07:21:50,849 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 07:21:50,850 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 07:21:50,850 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 07:21:50,850 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 07:21:50,850 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 07:21:50,850 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 07:21:50,850 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 07:21:50,850 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 07:21:50,851 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 07:21:50,851 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 07:21:50,851 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 07:21:50,851 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 07:21:50,851 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 07:21:50,852 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 07:21:50,852 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 07:21:50,852 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 07:21:50,852 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 07:21:50,852 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 07:21:50,852 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 07:21:50,852 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 07:21:50,852 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 07:21:50,853 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 07:21:50,853 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 07:21:50,853 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 07:21:50,853 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 07:21:50,853 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 07:21:50,853 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 07:21:50,853 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 07:21:50,853 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 07:21:50,854 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 07:21:50,854 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 07:21:50,854 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 07:21:50,854 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 07:21:50,854 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_21a080c8-afcb-4b9d-89fa-1053e747def8/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 -> 3b05d579dd12f755368a6bf22b0fd6149bd3ba2b [2018-11-23 07:21:50,877 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 07:21:50,884 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 07:21:50,886 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 07:21:50,887 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 07:21:50,888 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 07:21:50,888 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_21a080c8-afcb-4b9d-89fa-1053e747def8/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem01_label28_true-unreach-call_false-termination.c [2018-11-23 07:21:50,923 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_21a080c8-afcb-4b9d-89fa-1053e747def8/bin-2019/utaipan/data/174c681f6/0771bfba828f4584b92bd85a029fac58/FLAG8aeaa6daa [2018-11-23 07:21:51,376 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 07:21:51,376 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_21a080c8-afcb-4b9d-89fa-1053e747def8/sv-benchmarks/c/eca-rers2012/Problem01_label28_true-unreach-call_false-termination.c [2018-11-23 07:21:51,385 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_21a080c8-afcb-4b9d-89fa-1053e747def8/bin-2019/utaipan/data/174c681f6/0771bfba828f4584b92bd85a029fac58/FLAG8aeaa6daa [2018-11-23 07:21:51,397 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_21a080c8-afcb-4b9d-89fa-1053e747def8/bin-2019/utaipan/data/174c681f6/0771bfba828f4584b92bd85a029fac58 [2018-11-23 07:21:51,399 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 07:21:51,400 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 07:21:51,401 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 07:21:51,401 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 07:21:51,404 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 07:21:51,405 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:21:51" (1/1) ... [2018-11-23 07:21:51,407 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e234a26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:21:51, skipping insertion in model container [2018-11-23 07:21:51,407 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:21:51" (1/1) ... [2018-11-23 07:21:51,415 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 07:21:51,449 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 07:21:51,672 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:21:51,674 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 07:21:51,738 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:21:51,750 INFO L195 MainTranslator]: Completed translation [2018-11-23 07:21:51,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:21:51 WrapperNode [2018-11-23 07:21:51,751 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 07:21:51,751 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 07:21:51,751 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 07:21:51,751 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 07:21:51,804 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:21:51" (1/1) ... [2018-11-23 07:21:51,816 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:21:51" (1/1) ... [2018-11-23 07:21:51,822 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 07:21:51,822 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 07:21:51,822 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 07:21:51,822 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 07:21:51,830 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:21:51" (1/1) ... [2018-11-23 07:21:51,830 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:21:51" (1/1) ... [2018-11-23 07:21:51,833 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:21:51" (1/1) ... [2018-11-23 07:21:51,833 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:21:51" (1/1) ... [2018-11-23 07:21:51,856 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:21:51" (1/1) ... [2018-11-23 07:21:51,864 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:21:51" (1/1) ... [2018-11-23 07:21:51,868 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:21:51" (1/1) ... [2018-11-23 07:21:51,873 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 07:21:51,873 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 07:21:51,873 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 07:21:51,873 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 07:21:51,874 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:21:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_21a080c8-afcb-4b9d-89fa-1053e747def8/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 [2018-11-23 07:21:51,920 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 07:21:51,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 07:21:51,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 07:21:51,920 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 07:21:51,921 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 07:21:51,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 07:21:51,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 07:21:51,921 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 07:21:51,921 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 07:21:52,648 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 07:21:52,648 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 07:21:52,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:21:52 BoogieIcfgContainer [2018-11-23 07:21:52,649 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 07:21:52,649 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 07:21:52,649 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 07:21:52,651 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 07:21:52,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 07:21:51" (1/3) ... [2018-11-23 07:21:52,652 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@318e3581 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 07:21:52, skipping insertion in model container [2018-11-23 07:21:52,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:21:51" (2/3) ... [2018-11-23 07:21:52,652 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@318e3581 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 07:21:52, skipping insertion in model container [2018-11-23 07:21:52,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:21:52" (3/3) ... [2018-11-23 07:21:52,654 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label28_true-unreach-call_false-termination.c [2018-11-23 07:21:52,660 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 07:21:52,665 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 07:21:52,675 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 07:21:52,697 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 07:21:52,697 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 07:21:52,698 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 07:21:52,698 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 07:21:52,698 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 07:21:52,698 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 07:21:52,698 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 07:21:52,698 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 07:21:52,714 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2018-11-23 07:21:52,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-23 07:21:52,721 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:21:52,721 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:21:52,723 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:21:52,726 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:21:52,727 INFO L82 PathProgramCache]: Analyzing trace with hash -199989281, now seen corresponding path program 1 times [2018-11-23 07:21:52,729 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:21:52,767 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:21:52,767 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:21:52,767 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:21:52,767 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:21:52,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:21:53,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:21:53,061 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:21:53,061 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 07:21:53,061 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:21:53,065 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 07:21:53,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 07:21:53,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 07:21:53,075 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 4 states. [2018-11-23 07:21:53,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:21:53,857 INFO L93 Difference]: Finished difference Result 698 states and 1223 transitions. [2018-11-23 07:21:53,857 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 07:21:53,858 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 99 [2018-11-23 07:21:53,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:21:53,871 INFO L225 Difference]: With dead ends: 698 [2018-11-23 07:21:53,871 INFO L226 Difference]: Without dead ends: 485 [2018-11-23 07:21:53,874 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 07:21:53,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2018-11-23 07:21:53,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 338. [2018-11-23 07:21:53,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2018-11-23 07:21:53,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 563 transitions. [2018-11-23 07:21:53,922 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 563 transitions. Word has length 99 [2018-11-23 07:21:53,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:21:53,923 INFO L480 AbstractCegarLoop]: Abstraction has 338 states and 563 transitions. [2018-11-23 07:21:53,923 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 07:21:53,923 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 563 transitions. [2018-11-23 07:21:53,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-23 07:21:53,927 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:21:53,927 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:21:53,928 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:21:53,928 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:21:53,928 INFO L82 PathProgramCache]: Analyzing trace with hash 732624616, now seen corresponding path program 1 times [2018-11-23 07:21:53,928 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:21:53,929 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:21:53,929 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:21:53,929 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:21:53,929 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:21:53,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:21:53,997 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:21:53,998 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:21:53,998 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 07:21:53,998 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:21:53,999 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 07:21:54,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 07:21:54,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 07:21:54,000 INFO L87 Difference]: Start difference. First operand 338 states and 563 transitions. Second operand 6 states. [2018-11-23 07:21:54,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:21:54,602 INFO L93 Difference]: Finished difference Result 1062 states and 1857 transitions. [2018-11-23 07:21:54,602 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 07:21:54,602 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 109 [2018-11-23 07:21:54,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:21:54,607 INFO L225 Difference]: With dead ends: 1062 [2018-11-23 07:21:54,607 INFO L226 Difference]: Without dead ends: 730 [2018-11-23 07:21:54,608 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-23 07:21:54,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 730 states. [2018-11-23 07:21:54,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 730 to 715. [2018-11-23 07:21:54,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 715 states. [2018-11-23 07:21:54,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 715 states to 715 states and 1159 transitions. [2018-11-23 07:21:54,638 INFO L78 Accepts]: Start accepts. Automaton has 715 states and 1159 transitions. Word has length 109 [2018-11-23 07:21:54,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:21:54,639 INFO L480 AbstractCegarLoop]: Abstraction has 715 states and 1159 transitions. [2018-11-23 07:21:54,639 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 07:21:54,639 INFO L276 IsEmpty]: Start isEmpty. Operand 715 states and 1159 transitions. [2018-11-23 07:21:54,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-23 07:21:54,643 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:21:54,643 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:21:54,643 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:21:54,643 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:21:54,643 INFO L82 PathProgramCache]: Analyzing trace with hash -1967237378, now seen corresponding path program 1 times [2018-11-23 07:21:54,644 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:21:54,644 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:21:54,644 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:21:54,645 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:21:54,645 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:21:54,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:21:54,733 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:21:54,733 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:21:54,733 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 07:21:54,733 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:21:54,734 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 07:21:54,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 07:21:54,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 07:21:54,734 INFO L87 Difference]: Start difference. First operand 715 states and 1159 transitions. Second operand 6 states. [2018-11-23 07:21:55,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:21:55,288 INFO L93 Difference]: Finished difference Result 2151 states and 3611 transitions. [2018-11-23 07:21:55,289 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 07:21:55,289 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 122 [2018-11-23 07:21:55,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:21:55,295 INFO L225 Difference]: With dead ends: 2151 [2018-11-23 07:21:55,295 INFO L226 Difference]: Without dead ends: 1442 [2018-11-23 07:21:55,297 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-23 07:21:55,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1442 states. [2018-11-23 07:21:55,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1442 to 1428. [2018-11-23 07:21:55,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1428 states. [2018-11-23 07:21:55,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1428 states to 1428 states and 2218 transitions. [2018-11-23 07:21:55,328 INFO L78 Accepts]: Start accepts. Automaton has 1428 states and 2218 transitions. Word has length 122 [2018-11-23 07:21:55,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:21:55,328 INFO L480 AbstractCegarLoop]: Abstraction has 1428 states and 2218 transitions. [2018-11-23 07:21:55,328 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 07:21:55,328 INFO L276 IsEmpty]: Start isEmpty. Operand 1428 states and 2218 transitions. [2018-11-23 07:21:55,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-23 07:21:55,331 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:21:55,332 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] [2018-11-23 07:21:55,332 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:21:55,332 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:21:55,332 INFO L82 PathProgramCache]: Analyzing trace with hash 1893643415, now seen corresponding path program 1 times [2018-11-23 07:21:55,332 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:21:55,333 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:21:55,333 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:21:55,333 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:21:55,333 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:21:55,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:21:55,402 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 37 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 07:21:55,402 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:21:55,402 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 07:21:55,403 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 134 with the following transitions: [2018-11-23 07:21:55,404 INFO L202 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], [437], [439], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 07:21:55,432 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 07:21:55,432 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 07:21:55,855 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 07:21:55,856 INFO L272 AbstractInterpreter]: Visited 103 different actions 199 times. Merged at 3 different actions 3 times. Never widened. Performed 2872 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2872 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-23 07:21:55,861 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:21:55,861 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 07:21:56,077 INFO L227 lantSequenceWeakener]: Weakened 130 states. On average, predicates are now at 81.57% of their original sizes. [2018-11-23 07:21:56,077 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 07:21:56,132 INFO L415 sIntCurrentIteration]: We unified 132 AI predicates to 132 [2018-11-23 07:21:56,132 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 07:21:56,132 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 07:21:56,133 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-23 07:21:56,133 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:21:56,133 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 07:21:56,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 07:21:56,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 07:21:56,133 INFO L87 Difference]: Start difference. First operand 1428 states and 2218 transitions. Second operand 10 states. [2018-11-23 07:22:00,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:22:00,071 INFO L93 Difference]: Finished difference Result 4943 states and 7781 transitions. [2018-11-23 07:22:00,071 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-23 07:22:00,071 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 133 [2018-11-23 07:22:00,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:22:00,080 INFO L225 Difference]: With dead ends: 4943 [2018-11-23 07:22:00,080 INFO L226 Difference]: Without dead ends: 3521 [2018-11-23 07:22:00,086 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 142 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-23 07:22:00,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3521 states. [2018-11-23 07:22:00,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3521 to 3481. [2018-11-23 07:22:00,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3481 states. [2018-11-23 07:22:00,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3481 states to 3481 states and 4492 transitions. [2018-11-23 07:22:00,201 INFO L78 Accepts]: Start accepts. Automaton has 3481 states and 4492 transitions. Word has length 133 [2018-11-23 07:22:00,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:22:00,202 INFO L480 AbstractCegarLoop]: Abstraction has 3481 states and 4492 transitions. [2018-11-23 07:22:00,202 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 07:22:00,202 INFO L276 IsEmpty]: Start isEmpty. Operand 3481 states and 4492 transitions. [2018-11-23 07:22:00,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-11-23 07:22:00,206 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:22:00,207 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] [2018-11-23 07:22:00,207 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:22:00,207 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:22:00,207 INFO L82 PathProgramCache]: Analyzing trace with hash 114736532, now seen corresponding path program 1 times [2018-11-23 07:22:00,207 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:22:00,208 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:22:00,208 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:22:00,208 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:22:00,208 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:22:00,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:22:00,306 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 47 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 07:22:00,306 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:22:00,306 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 07:22:00,306 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 146 with the following transitions: [2018-11-23 07:22:00,307 INFO L202 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], [437], [439], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 07:22:00,311 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 07:22:00,311 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 07:22:00,454 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 07:22:00,454 INFO L272 AbstractInterpreter]: Visited 104 different actions 202 times. Merged at 4 different actions 4 times. Never widened. Performed 2767 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2767 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-23 07:22:00,458 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:22:00,458 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 07:22:00,633 INFO L227 lantSequenceWeakener]: Weakened 142 states. On average, predicates are now at 81.55% of their original sizes. [2018-11-23 07:22:00,633 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 07:22:00,680 INFO L415 sIntCurrentIteration]: We unified 144 AI predicates to 144 [2018-11-23 07:22:00,680 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 07:22:00,681 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 07:22:00,681 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-23 07:22:00,681 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:22:00,681 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 07:22:00,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 07:22:00,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 07:22:00,682 INFO L87 Difference]: Start difference. First operand 3481 states and 4492 transitions. Second operand 10 states. [2018-11-23 07:22:03,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:22:03,137 INFO L93 Difference]: Finished difference Result 6960 states and 9044 transitions. [2018-11-23 07:22:03,137 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-23 07:22:03,137 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 145 [2018-11-23 07:22:03,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:22:03,144 INFO L225 Difference]: With dead ends: 6960 [2018-11-23 07:22:03,144 INFO L226 Difference]: Without dead ends: 3620 [2018-11-23 07:22:03,149 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 152 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-11-23 07:22:03,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3620 states. [2018-11-23 07:22:03,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3620 to 3618. [2018-11-23 07:22:03,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3618 states. [2018-11-23 07:22:03,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3618 states to 3618 states and 4645 transitions. [2018-11-23 07:22:03,197 INFO L78 Accepts]: Start accepts. Automaton has 3618 states and 4645 transitions. Word has length 145 [2018-11-23 07:22:03,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:22:03,197 INFO L480 AbstractCegarLoop]: Abstraction has 3618 states and 4645 transitions. [2018-11-23 07:22:03,197 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 07:22:03,197 INFO L276 IsEmpty]: Start isEmpty. Operand 3618 states and 4645 transitions. [2018-11-23 07:22:03,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-23 07:22:03,202 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:22:03,202 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] [2018-11-23 07:22:03,203 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:22:03,203 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:22:03,203 INFO L82 PathProgramCache]: Analyzing trace with hash 1787569115, now seen corresponding path program 1 times [2018-11-23 07:22:03,203 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:22:03,204 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:22:03,204 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:22:03,204 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:22:03,204 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:22:03,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:22:03,264 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 59 proven. 14 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-23 07:22:03,264 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:22:03,264 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 07:22:03,265 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 157 with the following transitions: [2018-11-23 07:22:03,265 INFO L202 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], [437], [439], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 07:22:03,268 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 07:22:03,268 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 07:22:03,419 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 07:22:03,419 INFO L272 AbstractInterpreter]: Visited 105 different actions 313 times. Merged at 6 different actions 18 times. Never widened. Performed 4452 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4452 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 3 different actions. Largest state had 42 variables. [2018-11-23 07:22:03,422 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:22:03,422 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 07:22:03,543 INFO L227 lantSequenceWeakener]: Weakened 153 states. On average, predicates are now at 82.99% of their original sizes. [2018-11-23 07:22:03,543 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 07:22:03,590 INFO L415 sIntCurrentIteration]: We unified 155 AI predicates to 155 [2018-11-23 07:22:03,590 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 07:22:03,590 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 07:22:03,590 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [5] total 13 [2018-11-23 07:22:03,590 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:22:03,590 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 07:22:03,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 07:22:03,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 07:22:03,591 INFO L87 Difference]: Start difference. First operand 3618 states and 4645 transitions. Second operand 10 states. [2018-11-23 07:22:07,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:22:07,464 INFO L93 Difference]: Finished difference Result 8378 states and 11039 transitions. [2018-11-23 07:22:07,464 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-23 07:22:07,464 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 156 [2018-11-23 07:22:07,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:22:07,477 INFO L225 Difference]: With dead ends: 8378 [2018-11-23 07:22:07,477 INFO L226 Difference]: Without dead ends: 5038 [2018-11-23 07:22:07,486 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 166 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2018-11-23 07:22:07,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5038 states. [2018-11-23 07:22:07,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5038 to 4984. [2018-11-23 07:22:07,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4984 states. [2018-11-23 07:22:07,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4984 states to 4984 states and 6281 transitions. [2018-11-23 07:22:07,578 INFO L78 Accepts]: Start accepts. Automaton has 4984 states and 6281 transitions. Word has length 156 [2018-11-23 07:22:07,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:22:07,578 INFO L480 AbstractCegarLoop]: Abstraction has 4984 states and 6281 transitions. [2018-11-23 07:22:07,579 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 07:22:07,579 INFO L276 IsEmpty]: Start isEmpty. Operand 4984 states and 6281 transitions. [2018-11-23 07:22:07,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-23 07:22:07,584 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:22:07,585 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] [2018-11-23 07:22:07,585 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:22:07,585 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:22:07,585 INFO L82 PathProgramCache]: Analyzing trace with hash -43835950, now seen corresponding path program 1 times [2018-11-23 07:22:07,585 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:22:07,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:22:07,586 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:22:07,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:22:07,586 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:22:07,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:22:07,701 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 87 proven. 15 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-23 07:22:07,702 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:22:07,702 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 07:22:07,702 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 179 with the following transitions: [2018-11-23 07:22:07,702 INFO L202 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], [437], [439], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 07:22:07,705 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 07:22:07,705 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 07:22:07,849 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 07:22:07,849 INFO L272 AbstractInterpreter]: Visited 104 different actions 202 times. Merged at 4 different actions 4 times. Never widened. Performed 2832 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2832 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-23 07:22:07,858 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:22:07,858 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 07:22:08,039 INFO L227 lantSequenceWeakener]: Weakened 175 states. On average, predicates are now at 81.55% of their original sizes. [2018-11-23 07:22:08,039 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 07:22:08,110 INFO L415 sIntCurrentIteration]: We unified 177 AI predicates to 177 [2018-11-23 07:22:08,110 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 07:22:08,110 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 07:22:08,110 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-23 07:22:08,110 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 07:22:08,111 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 07:22:08,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 07:22:08,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 07:22:08,111 INFO L87 Difference]: Start difference. First operand 4984 states and 6281 transitions. Second operand 10 states. [2018-11-23 07:22:10,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:22:10,353 INFO L93 Difference]: Finished difference Result 10149 states and 12902 transitions. [2018-11-23 07:22:10,354 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-23 07:22:10,354 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 178 [2018-11-23 07:22:10,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:22:10,367 INFO L225 Difference]: With dead ends: 10149 [2018-11-23 07:22:10,367 INFO L226 Difference]: Without dead ends: 5443 [2018-11-23 07:22:10,376 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 186 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-11-23 07:22:10,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5443 states. [2018-11-23 07:22:10,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5443 to 5441. [2018-11-23 07:22:10,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5441 states. [2018-11-23 07:22:10,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5441 states to 5441 states and 6792 transitions. [2018-11-23 07:22:10,465 INFO L78 Accepts]: Start accepts. Automaton has 5441 states and 6792 transitions. Word has length 178 [2018-11-23 07:22:10,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:22:10,466 INFO L480 AbstractCegarLoop]: Abstraction has 5441 states and 6792 transitions. [2018-11-23 07:22:10,466 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 07:22:10,466 INFO L276 IsEmpty]: Start isEmpty. Operand 5441 states and 6792 transitions. [2018-11-23 07:22:10,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-11-23 07:22:10,473 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:22:10,473 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] [2018-11-23 07:22:10,473 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:22:10,473 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:22:10,473 INFO L82 PathProgramCache]: Analyzing trace with hash -1511373843, now seen corresponding path program 1 times [2018-11-23 07:22:10,473 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:22:10,474 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:22:10,475 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:22:10,476 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:22:10,476 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:22:10,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:22:10,609 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 84 proven. 43 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-23 07:22:10,609 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:22:10,609 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 07:22:10,609 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 187 with the following transitions: [2018-11-23 07:22:10,609 INFO L202 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], [437], [439], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 07:22:10,612 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 07:22:10,612 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 07:22:10,823 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 07:22:10,823 INFO L272 AbstractInterpreter]: Visited 106 different actions 424 times. Merged at 8 different actions 33 times. Widened at 1 different actions 1 times. Performed 6194 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6194 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 8 fixpoints after 3 different actions. Largest state had 42 variables. [2018-11-23 07:22:10,826 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:22:10,827 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 07:22:10,827 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:22:10,827 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_21a080c8-afcb-4b9d-89fa-1053e747def8/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 [2018-11-23 07:22:10,835 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:22:10,835 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 07:22:10,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:22:10,923 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 07:22:11,012 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 101 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-11-23 07:22:11,012 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 07:22:11,222 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 89 proven. 36 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-23 07:22:11,247 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 07:22:11,248 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-11-23 07:22:11,248 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 07:22:11,249 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-23 07:22:11,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-23 07:22:11,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-11-23 07:22:11,249 INFO L87 Difference]: Start difference. First operand 5441 states and 6792 transitions. Second operand 11 states. [2018-11-23 07:22:12,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:22:12,653 INFO L93 Difference]: Finished difference Result 13266 states and 17647 transitions. [2018-11-23 07:22:12,654 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-23 07:22:12,654 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 186 [2018-11-23 07:22:12,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:22:12,677 INFO L225 Difference]: With dead ends: 13266 [2018-11-23 07:22:12,677 INFO L226 Difference]: Without dead ends: 8423 [2018-11-23 07:22:12,688 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 395 GetRequests, 375 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=111, Invalid=269, Unknown=0, NotChecked=0, Total=380 [2018-11-23 07:22:12,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8423 states. [2018-11-23 07:22:12,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8423 to 8020. [2018-11-23 07:22:12,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8020 states. [2018-11-23 07:22:12,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8020 states to 8020 states and 10223 transitions. [2018-11-23 07:22:12,819 INFO L78 Accepts]: Start accepts. Automaton has 8020 states and 10223 transitions. Word has length 186 [2018-11-23 07:22:12,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:22:12,819 INFO L480 AbstractCegarLoop]: Abstraction has 8020 states and 10223 transitions. [2018-11-23 07:22:12,819 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-23 07:22:12,819 INFO L276 IsEmpty]: Start isEmpty. Operand 8020 states and 10223 transitions. [2018-11-23 07:22:12,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-11-23 07:22:12,829 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:22:12,830 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 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] [2018-11-23 07:22:12,830 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:22:12,830 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:22:12,830 INFO L82 PathProgramCache]: Analyzing trace with hash 1078058091, now seen corresponding path program 1 times [2018-11-23 07:22:12,830 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 07:22:12,831 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:22:12,831 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:22:12,831 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:22:12,831 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 07:22:12,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:22:12,921 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 95 proven. 36 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-23 07:22:12,922 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:22:12,922 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 07:22:12,922 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 190 with the following transitions: [2018-11-23 07:22:12,923 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [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], [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], [437], [439], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 07:22:12,925 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 07:22:12,925 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 07:22:13,101 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 07:22:13,101 INFO L272 AbstractInterpreter]: Visited 106 different actions 316 times. Merged at 6 different actions 20 times. Never widened. Performed 4620 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4620 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 3 different actions. Largest state had 42 variables. [2018-11-23 07:22:13,106 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:22:13,106 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 07:22:13,106 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 07:22:13,107 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_21a080c8-afcb-4b9d-89fa-1053e747def8/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 [2018-11-23 07:22:13,113 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:22:13,113 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 07:22:13,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:22:13,163 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 07:22:13,215 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 113 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-11-23 07:22:13,215 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 07:22:13,262 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 95 proven. 36 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-23 07:22:13,277 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 07:22:13,277 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 12 [2018-11-23 07:22:13,277 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 07:22:13,277 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 07:22:13,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 07:22:13,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2018-11-23 07:22:13,278 INFO L87 Difference]: Start difference. First operand 8020 states and 10223 transitions. Second operand 9 states. [2018-11-23 07:22:15,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:22:15,107 INFO L93 Difference]: Finished difference Result 23924 states and 31806 transitions. [2018-11-23 07:22:15,108 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-23 07:22:15,108 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 189 [2018-11-23 07:22:15,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:22:15,109 INFO L225 Difference]: With dead ends: 23924 [2018-11-23 07:22:15,109 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 07:22:15,234 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 424 GetRequests, 393 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 205 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=235, Invalid=821, Unknown=0, NotChecked=0, Total=1056 [2018-11-23 07:22:15,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 07:22:15,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 07:22:15,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 07:22:15,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 07:22:15,235 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 189 [2018-11-23 07:22:15,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:22:15,235 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 07:22:15,235 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 07:22:15,235 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 07:22:15,235 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 07:22:15,239 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 07:22:15,540 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,541 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,543 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,544 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,546 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,547 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,547 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,549 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,551 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,556 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,557 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,558 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,559 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,562 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,563 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,570 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,576 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,578 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,584 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,585 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,588 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,589 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,591 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,592 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,594 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,596 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,597 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,600 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,604 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,606 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,607 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,609 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,611 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,612 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,613 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,615 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,616 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,617 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,621 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,623 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,626 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,628 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,631 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,632 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,634 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,638 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,640 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,641 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,646 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,647 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,648 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,653 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,656 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,657 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,658 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,659 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,661 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,663 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,665 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,666 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,668 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,670 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,678 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,680 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,689 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,691 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,693 WARN L180 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 100 [2018-11-23 07:22:15,703 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,705 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,710 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,714 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,722 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,772 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,807 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,808 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,809 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,810 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,810 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,811 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,812 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,812 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,813 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,815 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,816 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,817 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,819 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,820 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,822 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,824 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,826 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,833 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,842 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,843 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,845 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,846 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,848 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,849 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,850 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,853 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,854 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,856 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,858 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,859 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,861 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,865 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,866 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,872 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,875 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,878 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,880 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,881 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,886 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,887 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,889 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,895 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,895 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,896 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,900 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,901 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,903 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,904 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,906 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,908 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,909 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,914 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,916 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,921 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,923 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,924 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,926 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,928 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,930 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,932 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,935 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,938 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,939 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,941 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,943 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,945 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,946 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,950 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,951 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,955 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,958 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,960 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,964 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,973 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,975 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,977 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,979 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,982 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 07:22:15,983 WARN L180 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 129 [2018-11-23 07:22:17,017 WARN L180 SmtUtils]: Spent 924.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 73 [2018-11-23 07:22:17,189 WARN L180 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 56 [2018-11-23 07:22:17,396 WARN L180 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 53 [2018-11-23 07:22:17,398 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 07:22:17,398 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) (= |old(~a16~0)| ~a16~0)) [2018-11-23 07:22:17,398 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 07:22:17,398 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-23 07:22:17,398 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-23 07:22:17,398 INFO L448 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:22:17,398 INFO L448 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:22:17,398 INFO L448 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:22:17,398 INFO L448 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:22:17,398 INFO L448 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:22:17,398 INFO L448 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:22:17,398 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-23 07:22:17,398 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-23 07:22:17,398 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-23 07:22:17,398 INFO L448 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-23 07:22:17,399 INFO L448 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-23 07:22:17,399 INFO L448 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-23 07:22:17,399 INFO L448 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-23 07:22:17,399 INFO L448 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-23 07:22:17,399 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-23 07:22:17,399 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-23 07:22:17,399 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:22:17,399 INFO L448 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:22:17,399 INFO L448 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:22:17,399 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:22:17,399 INFO L448 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:22:17,399 INFO L448 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:22:17,399 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-23 07:22:17,399 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-23 07:22:17,399 INFO L448 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-23 07:22:17,399 INFO L448 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-23 07:22:17,399 INFO L448 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-23 07:22:17,399 INFO L448 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-23 07:22:17,399 INFO L448 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-23 07:22:17,399 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-23 07:22:17,399 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-23 07:22:17,399 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-23 07:22:17,399 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-23 07:22:17,399 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-23 07:22:17,399 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-23 07:22:17,399 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-23 07:22:17,400 INFO L448 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-11-23 07:22:17,400 INFO L448 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:22:17,400 INFO L448 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:22:17,400 INFO L448 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:22:17,400 INFO L448 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:22:17,400 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:22:17,400 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-23 07:22:17,400 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-23 07:22:17,400 INFO L448 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-23 07:22:17,400 INFO L448 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-23 07:22:17,400 INFO L448 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-23 07:22:17,400 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-23 07:22:17,400 INFO L448 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-23 07:22:17,400 INFO L448 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-23 07:22:17,400 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-23 07:22:17,400 INFO L448 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:22:17,400 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:22:17,400 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:22:17,400 INFO L448 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:22:17,400 INFO L448 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:22:17,401 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-23 07:22:17,401 INFO L448 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-23 07:22:17,401 INFO L448 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-23 07:22:17,401 INFO L448 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-23 07:22:17,401 INFO L448 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-23 07:22:17,401 INFO L448 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-23 07:22:17,401 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-23 07:22:17,401 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-23 07:22:17,401 INFO L448 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-23 07:22:17,401 INFO L448 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-23 07:22:17,401 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-23 07:22:17,401 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-23 07:22:17,401 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-23 07:22:17,401 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:22:17,401 INFO L448 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:22:17,401 INFO L448 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:22:17,402 INFO L448 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:22:17,402 INFO L448 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:22:17,402 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-23 07:22:17,402 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-23 07:22:17,402 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-23 07:22:17,402 INFO L448 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-23 07:22:17,402 INFO L448 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-23 07:22:17,402 INFO L448 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-23 07:22:17,402 INFO L448 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-23 07:22:17,402 INFO L448 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-23 07:22:17,402 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-23 07:22:17,402 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:22:17,402 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:22:17,402 INFO L448 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:22:17,402 INFO L448 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:22:17,403 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:22:17,403 INFO L448 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:22:17,403 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-23 07:22:17,403 INFO L448 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:22:17,403 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-23 07:22:17,403 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-23 07:22:17,403 INFO L448 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-23 07:22:17,403 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-23 07:22:17,403 INFO L448 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-23 07:22:17,403 INFO L448 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-23 07:22:17,403 INFO L448 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-23 07:22:17,403 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-23 07:22:17,403 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-23 07:22:17,403 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-23 07:22:17,403 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-23 07:22:17,403 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-23 07:22:17,404 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-23 07:22:17,404 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:22:17,404 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:22:17,404 INFO L448 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:22:17,404 INFO L448 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:22:17,404 INFO L448 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:22:17,404 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-23 07:22:17,404 INFO L448 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-23 07:22:17,404 INFO L448 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-23 07:22:17,404 INFO L448 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-23 07:22:17,404 INFO L448 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-23 07:22:17,404 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-23 07:22:17,404 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-23 07:22:17,404 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-23 07:22:17,405 INFO L448 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:22:17,405 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:22:17,405 INFO L448 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:22:17,405 INFO L448 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:22:17,405 INFO L448 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:22:17,405 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-23 07:22:17,405 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-23 07:22:17,405 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-23 07:22:17,405 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-23 07:22:17,405 INFO L448 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-23 07:22:17,405 INFO L448 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-23 07:22:17,405 INFO L448 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-23 07:22:17,405 INFO L448 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-23 07:22:17,405 INFO L448 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-23 07:22:17,405 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-23 07:22:17,406 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse10 (= ~a17~0 1)) (.cse11 (= ~a21~0 1)) (.cse23 (= 1 |old(~a20~0)|)) (.cse12 (= ~a7~0 |old(~a7~0)|)) (.cse13 (= |old(~a8~0)| ~a8~0)) (.cse22 (= |old(~a20~0)| ~a20~0)) (.cse9 (= |old(~a16~0)| ~a16~0))) (let ((.cse16 (= 13 |old(~a8~0)|)) (.cse1 (and .cse12 .cse13 .cse22 .cse9)) (.cse17 (and (= |old(~a7~0)| |old(~a20~0)|) .cse23)) (.cse5 (= 0 |old(~a16~0)|)) (.cse15 (and .cse10 .cse11)) (.cse8 (= 0 |old(~a8~0)|)) (.cse14 (not (= 1 |old(~a17~0)|))) (.cse7 (= |calculate_output_#in~input| 0)) (.cse0 (= 6 |old(~a16~0)|)) (.cse18 (not (= 0 |old(~a7~0)|))) (.cse2 (not (= 1 |old(~a21~0)|))) (.cse4 (not .cse23)) (.cse19 (not (= 15 |old(~a8~0)|))) (.cse6 (not (= 8 ~a12~0))) (.cse3 (< 13 |old(~a8~0)|)) (.cse20 (< |old(~a20~0)| 1)) (.cse21 (not (= 1 |old(~a7~0)|)))) (and (or .cse0 .cse1) (or .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (and .cse9 .cse10 .cse11 .cse12 .cse13 (= ~a20~0 1)) .cse14) (or .cse2 .cse15 .cse16 .cse5 .cse6 .cse7 .cse8 .cse17 .cse14) (or .cse0 .cse18 .cse2 .cse6 .cse7 .cse4 .cse19 .cse5 .cse11) (or .cse16 .cse1 .cse17) (or .cse2 .cse5 .cse6 .cse20 .cse21 .cse7 .cse8 .cse17 .cse15 .cse14) (or .cse0 .cse2 .cse5 .cse15 .cse6 .cse7 .cse8 .cse14) (or .cse7 (and .cse11 (= ~a17~0 0)) (or (not .cse0) .cse18 .cse2 .cse4 .cse19 (not (= 0 |old(~a17~0)|)) .cse6)) (or .cse3 .cse20 .cse21 (and (= 1 ~a7~0) .cse13 .cse22 .cse9))))) [2018-11-23 07:22:17,406 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-23 07:22:17,406 INFO L448 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:22:17,406 INFO L448 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:22:17,406 INFO L448 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:22:17,406 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:22:17,406 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-23 07:22:17,406 INFO L448 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:22:17,406 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:22:17,406 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-23 07:22:17,407 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-23 07:22:17,407 INFO L448 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-23 07:22:17,407 INFO L448 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-23 07:22:17,407 INFO L448 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-23 07:22:17,407 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-23 07:22:17,407 INFO L448 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-23 07:22:17,407 INFO L448 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-23 07:22:17,407 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-23 07:22:17,407 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-23 07:22:17,407 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 455) no Hoare annotation was computed. [2018-11-23 07:22:17,407 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-23 07:22:17,407 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-23 07:22:17,407 INFO L448 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:22:17,407 INFO L448 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:22:17,408 INFO L448 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:22:17,408 INFO L448 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:22:17,408 INFO L448 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:22:17,408 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-23 07:22:17,408 INFO L448 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:22:17,408 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-23 07:22:17,408 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-23 07:22:17,408 INFO L448 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-23 07:22:17,408 INFO L448 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-23 07:22:17,408 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-23 07:22:17,408 INFO L448 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-23 07:22:17,408 INFO L448 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-23 07:22:17,408 INFO L448 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-23 07:22:17,408 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-23 07:22:17,408 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-23 07:22:17,409 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-23 07:22:17,409 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-23 07:22:17,409 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-23 07:22:17,409 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-23 07:22:17,409 INFO L448 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:22:17,409 INFO L448 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:22:17,409 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:22:17,409 INFO L448 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:22:17,409 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:22:17,409 INFO L448 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 07:22:17,409 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-23 07:22:17,409 INFO L448 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-23 07:22:17,409 INFO L448 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-23 07:22:17,409 INFO L448 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-23 07:22:17,409 INFO L448 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-23 07:22:17,409 INFO L448 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-23 07:22:17,410 INFO L448 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-23 07:22:17,410 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-23 07:22:17,410 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-23 07:22:17,410 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-23 07:22:17,410 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 07:22:17,410 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)) [2018-11-23 07:22:17,410 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 07:22:17,410 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 07:22:17,410 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)|))) [2018-11-23 07:22:17,410 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-23 07:22:17,410 INFO L444 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (or (not (= 1 ~a20~0)) (not (= ~a20~0 ~a7~0))))) (or (not (= 1 |old(~a21~0)|)) (not (= 8 ~a12~0)) (and (not (= main_~input~0 0)) (= ~a17~0 1) .cse0 (= ~a21~0 1) (= ~a20~0 1)) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (not (= ~a16~0 6)) (and .cse0 (not (= ~a8~0 13))) (not (= 0 |old(~a7~0)|)) (and (<= ~a8~0 13) (= 1 ~a7~0) (<= 1 ~a20~0)) (not (= 1 |old(~a17~0)|)) (not (= 15 |old(~a8~0)|)))) [2018-11-23 07:22:17,410 INFO L448 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-23 07:22:17,410 INFO L448 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-23 07:22:17,410 INFO L444 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse0 (or (not (= 1 ~a20~0)) (not (= ~a20~0 ~a7~0))))) (or (not (= 1 |old(~a21~0)|)) (not (= 8 ~a12~0)) (not (= 1 |old(~a20~0)|)) (and .cse0 (= ~a17~0 1) (= ~a20~0 1) (= ~a21~0 1)) (not (= 5 |old(~a16~0)|)) (not (= ~a16~0 6)) (not (= 0 |old(~a7~0)|)) (and .cse0 (not (= ~a8~0 13))) (and (<= ~a8~0 13) (= 1 ~a7~0) (<= 1 ~a20~0)) (not (= 1 |old(~a17~0)|)) (not (= 15 |old(~a8~0)|)))) [2018-11-23 07:22:17,410 INFO L448 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2018-11-23 07:22:17,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 07:22:17 BoogieIcfgContainer [2018-11-23 07:22:17,419 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 07:22:17,420 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 07:22:17,420 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 07:22:17,420 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 07:22:17,420 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:21:52" (3/4) ... [2018-11-23 07:22:17,423 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 07:22:17,428 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 07:22:17,428 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 07:22:17,428 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 07:22:17,438 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 07:22:17,439 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 07:22:17,463 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(1 == \old(a21)) || !(8 == a12)) || !(1 == \old(a20))) || ((((!(1 == a20) || !(a20 == a7)) && a17 == 1) && a20 == 1) && a21 == 1)) || !(5 == \old(a16))) || !(a16 == 6)) || !(0 == \old(a7))) || ((!(1 == a20) || !(a20 == a7)) && !(a8 == 13))) || ((a8 <= 13 && 1 == a7) && 1 <= a20)) || !(1 == \old(a17))) || !(15 == \old(a8)) [2018-11-23 07:22:17,531 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_21a080c8-afcb-4b9d-89fa-1053e747def8/bin-2019/utaipan/witness.graphml [2018-11-23 07:22:17,531 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 07:22:17,531 INFO L168 Benchmark]: Toolchain (without parser) took 26131.95 ms. Allocated memory was 1.0 GB in the beginning and 2.5 GB in the end (delta: 1.5 GB). Free memory was 956.6 MB in the beginning and 1.3 GB in the end (delta: -342.5 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-11-23 07:22:17,532 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 07:22:17,532 INFO L168 Benchmark]: CACSL2BoogieTranslator took 350.04 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 921.6 MB in the end (delta: 35.0 MB). Peak memory consumption was 35.0 MB. Max. memory is 11.5 GB. [2018-11-23 07:22:17,532 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 921.6 MB in the beginning and 1.1 GB in the end (delta: -211.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2018-11-23 07:22:17,532 INFO L168 Benchmark]: Boogie Preprocessor took 50.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 07:22:17,533 INFO L168 Benchmark]: RCFGBuilder took 775.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 107.1 MB). Peak memory consumption was 107.1 MB. Max. memory is 11.5 GB. [2018-11-23 07:22:17,533 INFO L168 Benchmark]: TraceAbstraction took 24770.08 ms. Allocated memory was 1.2 GB in the beginning and 2.5 GB in the end (delta: 1.3 GB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -278.6 MB). Peak memory consumption was 1.0 GB. Max. memory is 11.5 GB. [2018-11-23 07:22:17,533 INFO L168 Benchmark]: Witness Printer took 111.26 ms. Allocated memory is still 2.5 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 07:22:17,534 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 350.04 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 921.6 MB in the end (delta: 35.0 MB). Peak memory consumption was 35.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 70.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 921.6 MB in the beginning and 1.1 GB in the end (delta: -211.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 50.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 775.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 107.1 MB). Peak memory consumption was 107.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 24770.08 ms. Allocated memory was 1.2 GB in the beginning and 2.5 GB in the end (delta: 1.3 GB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -278.6 MB). Peak memory consumption was 1.0 GB. Max. memory is 11.5 GB. * Witness Printer took 111.26 ms. Allocated memory is still 2.5 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 455]: 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))) || ((((!(1 == a20) || !(a20 == a7)) && a17 == 1) && a20 == 1) && a21 == 1)) || !(5 == \old(a16))) || !(a16 == 6)) || !(0 == \old(a7))) || ((!(1 == a20) || !(a20 == a7)) && !(a8 == 13))) || ((a8 <= 13 && 1 == a7) && 1 <= a20)) || !(1 == \old(a17))) || !(15 == \old(a8)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. SAFE Result, 24.7s OverallTime, 9 OverallIterations, 5 TraceHistogramMax, 17.9s AutomataDifference, 0.0s DeadEndRemovalTime, 2.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 1315 SDtfs, 10288 SDslu, 2542 SDs, 0 SdLazy, 13108 SolverSat, 2715 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.6s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 1491 GetRequests, 1350 SyntacticMatches, 6 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 467 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8020occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.3s AbstIntTime, 6 AbstIntIterations, 4 AbstIntStrong, 0.9962566903227599 AbsIntWeakeningRatio, 0.26973684210526316 AbsIntAvgWeakeningVarsNumRemoved, 27.970394736842106 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 9 MinimizatonAttempts, 677 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 283 PreInvPairs, 555 NumberOfFragments, 545 HoareAnnotationTreeSize, 283 FomulaSimplifications, 32851 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 7 FomulaSimplificationsInter, 15873 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1692 NumberOfCodeBlocks, 1692 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2054 ConstructedInterpolants, 0 QuantifiedInterpolants, 715669 SizeOfPredicates, 2 NumberOfNonLiveVariables, 1149 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 13 InterpolantComputations, 3 PerfectInterpolantSequences, 1110/1311 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...