./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label22_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_76c0c812-116c-4e81-a9e9-9a819fcb8cc8/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_76c0c812-116c-4e81-a9e9-9a819fcb8cc8/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_76c0c812-116c-4e81-a9e9-9a819fcb8cc8/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_76c0c812-116c-4e81-a9e9-9a819fcb8cc8/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label22_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_76c0c812-116c-4e81-a9e9-9a819fcb8cc8/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_76c0c812-116c-4e81-a9e9-9a819fcb8cc8/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 03d2eba0c96e405e42abc242d8ae37d66c66f111 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 22:25:38,814 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 22:25:38,815 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 22:25:38,821 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 22:25:38,821 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 22:25:38,822 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 22:25:38,823 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 22:25:38,824 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 22:25:38,825 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 22:25:38,825 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 22:25:38,826 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 22:25:38,826 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 22:25:38,826 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 22:25:38,827 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 22:25:38,828 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 22:25:38,828 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 22:25:38,829 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 22:25:38,830 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 22:25:38,831 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 22:25:38,832 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 22:25:38,833 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 22:25:38,834 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 22:25:38,835 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 22:25:38,835 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 22:25:38,835 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 22:25:38,836 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 22:25:38,836 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 22:25:38,837 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 22:25:38,837 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 22:25:38,838 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 22:25:38,838 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 22:25:38,838 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 22:25:38,839 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 22:25:38,839 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 22:25:38,839 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 22:25:38,840 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 22:25:38,840 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_76c0c812-116c-4e81-a9e9-9a819fcb8cc8/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-01 22:25:38,847 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 22:25:38,848 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 22:25:38,848 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 22:25:38,848 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-01 22:25:38,848 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-01 22:25:38,849 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-01 22:25:38,849 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-01 22:25:38,849 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-01 22:25:38,849 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-01 22:25:38,849 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-01 22:25:38,849 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-01 22:25:38,849 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-01 22:25:38,850 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-01 22:25:38,850 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 22:25:38,850 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 22:25:38,850 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 22:25:38,850 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 22:25:38,851 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 22:25:38,851 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 22:25:38,851 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 22:25:38,851 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 22:25:38,851 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 22:25:38,851 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 22:25:38,851 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 22:25:38,851 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 22:25:38,851 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-01 22:25:38,852 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 22:25:38,852 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-01 22:25:38,852 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 22:25:38,852 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 22:25:38,852 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 22:25:38,852 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 22:25:38,852 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-01 22:25:38,852 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 22:25:38,853 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 22:25:38,853 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-01 22:25:38,853 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_76c0c812-116c-4e81-a9e9-9a819fcb8cc8/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 -> 03d2eba0c96e405e42abc242d8ae37d66c66f111 [2018-12-01 22:25:38,871 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 22:25:38,879 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 22:25:38,882 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 22:25:38,883 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 22:25:38,883 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 22:25:38,884 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_76c0c812-116c-4e81-a9e9-9a819fcb8cc8/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label22_true-unreach-call_false-termination.c [2018-12-01 22:25:38,924 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_76c0c812-116c-4e81-a9e9-9a819fcb8cc8/bin-2019/utaipan/data/3f811e9ed/2e7a346353f54d74aee652580c29d9a9/FLAGea9d55767 [2018-12-01 22:25:39,344 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 22:25:39,345 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_76c0c812-116c-4e81-a9e9-9a819fcb8cc8/sv-benchmarks/c/eca-rers2012/Problem02_label22_true-unreach-call_false-termination.c [2018-12-01 22:25:39,351 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_76c0c812-116c-4e81-a9e9-9a819fcb8cc8/bin-2019/utaipan/data/3f811e9ed/2e7a346353f54d74aee652580c29d9a9/FLAGea9d55767 [2018-12-01 22:25:39,680 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_76c0c812-116c-4e81-a9e9-9a819fcb8cc8/bin-2019/utaipan/data/3f811e9ed/2e7a346353f54d74aee652580c29d9a9 [2018-12-01 22:25:39,686 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 22:25:39,688 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 22:25:39,690 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 22:25:39,691 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 22:25:39,697 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 22:25:39,699 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 10:25:39" (1/1) ... [2018-12-01 22:25:39,704 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c8dc319 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:25:39, skipping insertion in model container [2018-12-01 22:25:39,704 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 10:25:39" (1/1) ... [2018-12-01 22:25:39,718 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 22:25:39,748 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 22:25:39,915 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 22:25:39,918 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 22:25:39,964 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 22:25:40,015 INFO L195 MainTranslator]: Completed translation [2018-12-01 22:25:40,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:25:40 WrapperNode [2018-12-01 22:25:40,016 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 22:25:40,016 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 22:25:40,016 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 22:25:40,017 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 22:25:40,022 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:25:40" (1/1) ... [2018-12-01 22:25:40,033 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:25:40" (1/1) ... [2018-12-01 22:25:40,039 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 22:25:40,040 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 22:25:40,040 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 22:25:40,040 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 22:25:40,046 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:25:40" (1/1) ... [2018-12-01 22:25:40,046 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:25:40" (1/1) ... [2018-12-01 22:25:40,049 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:25:40" (1/1) ... [2018-12-01 22:25:40,049 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:25:40" (1/1) ... [2018-12-01 22:25:40,072 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:25:40" (1/1) ... [2018-12-01 22:25:40,083 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:25:40" (1/1) ... [2018-12-01 22:25:40,087 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:25:40" (1/1) ... [2018-12-01 22:25:40,092 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 22:25:40,092 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 22:25:40,093 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 22:25:40,093 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 22:25:40,094 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:25:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_76c0c812-116c-4e81-a9e9-9a819fcb8cc8/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 22:25:40,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-01 22:25:40,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-01 22:25:40,138 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-01 22:25:40,138 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-01 22:25:40,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 22:25:40,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 22:25:40,138 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-01 22:25:40,138 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-01 22:25:40,727 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 22:25:40,727 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-01 22:25:40,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:25:40 BoogieIcfgContainer [2018-12-01 22:25:40,728 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 22:25:40,729 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-01 22:25:40,729 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-01 22:25:40,731 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-01 22:25:40,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 10:25:39" (1/3) ... [2018-12-01 22:25:40,732 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52682416 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 10:25:40, skipping insertion in model container [2018-12-01 22:25:40,732 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:25:40" (2/3) ... [2018-12-01 22:25:40,732 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52682416 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 10:25:40, skipping insertion in model container [2018-12-01 22:25:40,732 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:25:40" (3/3) ... [2018-12-01 22:25:40,734 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label22_true-unreach-call_false-termination.c [2018-12-01 22:25:40,741 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-01 22:25:40,748 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-01 22:25:40,761 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-01 22:25:40,787 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-01 22:25:40,787 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-01 22:25:40,787 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-01 22:25:40,788 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-01 22:25:40,788 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-01 22:25:40,788 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-01 22:25:40,788 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-01 22:25:40,788 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-01 22:25:40,807 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2018-12-01 22:25:40,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-01 22:25:40,815 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:25:40,816 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:25:40,817 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:25:40,822 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:25:40,822 INFO L82 PathProgramCache]: Analyzing trace with hash -1125290487, now seen corresponding path program 1 times [2018-12-01 22:25:40,824 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:25:40,865 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:25:40,865 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:25:40,865 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:25:40,865 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:25:40,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:25:41,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:25:41,097 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:25:41,098 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 22:25:41,098 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:25:41,101 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 22:25:41,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 22:25:41,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 22:25:41,111 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2018-12-01 22:25:41,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:25:41,543 INFO L93 Difference]: Finished difference Result 623 states and 1065 transitions. [2018-12-01 22:25:41,544 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 22:25:41,544 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 103 [2018-12-01 22:25:41,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:25:41,553 INFO L225 Difference]: With dead ends: 623 [2018-12-01 22:25:41,554 INFO L226 Difference]: Without dead ends: 325 [2018-12-01 22:25:41,557 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 22:25:41,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2018-12-01 22:25:41,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 321. [2018-12-01 22:25:41,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 321 states. [2018-12-01 22:25:41,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 473 transitions. [2018-12-01 22:25:41,601 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 473 transitions. Word has length 103 [2018-12-01 22:25:41,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:25:41,601 INFO L480 AbstractCegarLoop]: Abstraction has 321 states and 473 transitions. [2018-12-01 22:25:41,601 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 22:25:41,601 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 473 transitions. [2018-12-01 22:25:41,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-12-01 22:25:41,604 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:25:41,604 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:25:41,604 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:25:41,604 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:25:41,604 INFO L82 PathProgramCache]: Analyzing trace with hash 93763940, now seen corresponding path program 1 times [2018-12-01 22:25:41,604 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:25:41,605 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:25:41,605 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:25:41,605 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:25:41,605 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:25:41,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:25:41,678 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:25:41,679 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:25:41,679 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-01 22:25:41,679 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:25:41,680 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-01 22:25:41,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-01 22:25:41,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-01 22:25:41,680 INFO L87 Difference]: Start difference. First operand 321 states and 473 transitions. Second operand 6 states. [2018-12-01 22:25:42,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:25:42,091 INFO L93 Difference]: Finished difference Result 955 states and 1447 transitions. [2018-12-01 22:25:42,092 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-01 22:25:42,092 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 123 [2018-12-01 22:25:42,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:25:42,096 INFO L225 Difference]: With dead ends: 955 [2018-12-01 22:25:42,096 INFO L226 Difference]: Without dead ends: 640 [2018-12-01 22:25:42,097 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-01 22:25:42,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 640 states. [2018-12-01 22:25:42,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 640 to 623. [2018-12-01 22:25:42,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 623 states. [2018-12-01 22:25:42,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 623 states and 903 transitions. [2018-12-01 22:25:42,120 INFO L78 Accepts]: Start accepts. Automaton has 623 states and 903 transitions. Word has length 123 [2018-12-01 22:25:42,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:25:42,121 INFO L480 AbstractCegarLoop]: Abstraction has 623 states and 903 transitions. [2018-12-01 22:25:42,121 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-01 22:25:42,121 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 903 transitions. [2018-12-01 22:25:42,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-12-01 22:25:42,124 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:25:42,124 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:25:42,124 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:25:42,124 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:25:42,125 INFO L82 PathProgramCache]: Analyzing trace with hash 1391612558, now seen corresponding path program 1 times [2018-12-01 22:25:42,125 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:25:42,125 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:25:42,126 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:25:42,126 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:25:42,126 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:25:42,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:25:42,212 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:25:42,213 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:25:42,213 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 22:25:42,213 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:25:42,214 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 22:25:42,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 22:25:42,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 22:25:42,214 INFO L87 Difference]: Start difference. First operand 623 states and 903 transitions. Second operand 3 states. [2018-12-01 22:25:42,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:25:42,488 INFO L93 Difference]: Finished difference Result 1679 states and 2464 transitions. [2018-12-01 22:25:42,488 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 22:25:42,489 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 124 [2018-12-01 22:25:42,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:25:42,492 INFO L225 Difference]: With dead ends: 1679 [2018-12-01 22:25:42,492 INFO L226 Difference]: Without dead ends: 1062 [2018-12-01 22:25:42,494 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 22:25:42,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1062 states. [2018-12-01 22:25:42,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1062 to 918. [2018-12-01 22:25:42,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 918 states. [2018-12-01 22:25:42,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 918 states and 1260 transitions. [2018-12-01 22:25:42,514 INFO L78 Accepts]: Start accepts. Automaton has 918 states and 1260 transitions. Word has length 124 [2018-12-01 22:25:42,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:25:42,514 INFO L480 AbstractCegarLoop]: Abstraction has 918 states and 1260 transitions. [2018-12-01 22:25:42,514 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 22:25:42,514 INFO L276 IsEmpty]: Start isEmpty. Operand 918 states and 1260 transitions. [2018-12-01 22:25:42,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-01 22:25:42,516 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:25:42,517 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:25:42,517 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:25:42,517 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:25:42,517 INFO L82 PathProgramCache]: Analyzing trace with hash -379164823, now seen corresponding path program 1 times [2018-12-01 22:25:42,517 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:25:42,518 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:25:42,518 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:25:42,518 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:25:42,518 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:25:42,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:25:42,580 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 26 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:25:42,580 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:25:42,580 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-01 22:25:42,581 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 132 with the following transitions: [2018-12-01 22:25:42,582 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [45], [50], [52], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [503], [505], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-01 22:25:42,611 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-01 22:25:42,611 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-01 22:25:42,869 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-01 22:25:42,870 INFO L272 AbstractInterpreter]: Visited 104 different actions 104 times. Never merged. Never widened. Performed 1197 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1197 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 38 variables. [2018-12-01 22:25:42,875 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:25:42,875 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-01 22:25:43,063 INFO L227 lantSequenceWeakener]: Weakened 120 states. On average, predicates are now at 80.67% of their original sizes. [2018-12-01 22:25:43,063 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-01 22:25:43,100 INFO L418 sIntCurrentIteration]: We unified 130 AI predicates to 130 [2018-12-01 22:25:43,100 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-01 22:25:43,101 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-01 22:25:43,101 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-12-01 22:25:43,101 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:25:43,102 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-01 22:25:43,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-01 22:25:43,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-01 22:25:43,102 INFO L87 Difference]: Start difference. First operand 918 states and 1260 transitions. Second operand 6 states. [2018-12-01 22:25:45,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:25:45,169 INFO L93 Difference]: Finished difference Result 1978 states and 2728 transitions. [2018-12-01 22:25:45,169 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-01 22:25:45,169 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 131 [2018-12-01 22:25:45,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:25:45,173 INFO L225 Difference]: With dead ends: 1978 [2018-12-01 22:25:45,173 INFO L226 Difference]: Without dead ends: 1066 [2018-12-01 22:25:45,175 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 131 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-01 22:25:45,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1066 states. [2018-12-01 22:25:45,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1066 to 1064. [2018-12-01 22:25:45,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1064 states. [2018-12-01 22:25:45,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1064 states to 1064 states and 1417 transitions. [2018-12-01 22:25:45,196 INFO L78 Accepts]: Start accepts. Automaton has 1064 states and 1417 transitions. Word has length 131 [2018-12-01 22:25:45,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:25:45,197 INFO L480 AbstractCegarLoop]: Abstraction has 1064 states and 1417 transitions. [2018-12-01 22:25:45,197 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-01 22:25:45,197 INFO L276 IsEmpty]: Start isEmpty. Operand 1064 states and 1417 transitions. [2018-12-01 22:25:45,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-12-01 22:25:45,199 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:25:45,199 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:25:45,199 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:25:45,200 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:25:45,200 INFO L82 PathProgramCache]: Analyzing trace with hash 793765979, now seen corresponding path program 1 times [2018-12-01 22:25:45,200 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:25:45,200 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:25:45,201 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:25:45,201 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:25:45,201 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:25:45,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:25:45,269 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 36 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:25:45,270 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:25:45,270 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-01 22:25:45,270 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 137 with the following transitions: [2018-12-01 22:25:45,270 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [45], [50], [52], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [503], [505], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-01 22:25:45,273 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-01 22:25:45,273 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-01 22:25:45,400 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-01 22:25:45,400 INFO L272 AbstractInterpreter]: Visited 107 different actions 208 times. Merged at 4 different actions 4 times. Never widened. Performed 2414 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2414 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-12-01 22:25:45,402 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:25:45,403 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-01 22:25:45,550 INFO L227 lantSequenceWeakener]: Weakened 131 states. On average, predicates are now at 82.29% of their original sizes. [2018-12-01 22:25:45,550 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-01 22:25:45,598 INFO L418 sIntCurrentIteration]: We unified 135 AI predicates to 135 [2018-12-01 22:25:45,598 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-01 22:25:45,598 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-01 22:25:45,598 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-01 22:25:45,599 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:25:45,599 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-01 22:25:45,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-01 22:25:45,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-01 22:25:45,599 INFO L87 Difference]: Start difference. First operand 1064 states and 1417 transitions. Second operand 10 states. [2018-12-01 22:25:48,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:25:48,196 INFO L93 Difference]: Finished difference Result 2723 states and 3767 transitions. [2018-12-01 22:25:48,196 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-12-01 22:25:48,196 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 136 [2018-12-01 22:25:48,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:25:48,199 INFO L225 Difference]: With dead ends: 2723 [2018-12-01 22:25:48,199 INFO L226 Difference]: Without dead ends: 1665 [2018-12-01 22:25:48,201 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 145 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-12-01 22:25:48,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1665 states. [2018-12-01 22:25:48,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1665 to 1658. [2018-12-01 22:25:48,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1658 states. [2018-12-01 22:25:48,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1658 states to 1658 states and 2149 transitions. [2018-12-01 22:25:48,222 INFO L78 Accepts]: Start accepts. Automaton has 1658 states and 2149 transitions. Word has length 136 [2018-12-01 22:25:48,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:25:48,222 INFO L480 AbstractCegarLoop]: Abstraction has 1658 states and 2149 transitions. [2018-12-01 22:25:48,222 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-01 22:25:48,222 INFO L276 IsEmpty]: Start isEmpty. Operand 1658 states and 2149 transitions. [2018-12-01 22:25:48,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-12-01 22:25:48,224 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:25:48,224 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:25:48,225 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:25:48,225 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:25:48,225 INFO L82 PathProgramCache]: Analyzing trace with hash -293226280, now seen corresponding path program 1 times [2018-12-01 22:25:48,225 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:25:48,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:25:48,226 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:25:48,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:25:48,226 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:25:48,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:25:48,296 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 31 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 22:25:48,296 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:25:48,297 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-01 22:25:48,297 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 141 with the following transitions: [2018-12-01 22:25:48,297 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [45], [50], [52], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [503], [505], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-01 22:25:48,300 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-01 22:25:48,300 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-01 22:25:48,456 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-01 22:25:48,456 INFO L272 AbstractInterpreter]: Visited 108 different actions 319 times. Merged at 6 different actions 15 times. Never widened. Performed 3726 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3726 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-12-01 22:25:48,457 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:25:48,457 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-01 22:25:48,603 INFO L227 lantSequenceWeakener]: Weakened 135 states. On average, predicates are now at 84.27% of their original sizes. [2018-12-01 22:25:48,604 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-01 22:25:48,634 INFO L418 sIntCurrentIteration]: We unified 139 AI predicates to 139 [2018-12-01 22:25:48,634 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-01 22:25:48,635 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-01 22:25:48,635 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2018-12-01 22:25:48,635 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:25:48,635 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-01 22:25:48,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-01 22:25:48,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-01 22:25:48,635 INFO L87 Difference]: Start difference. First operand 1658 states and 2149 transitions. Second operand 9 states. [2018-12-01 22:25:50,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:25:50,242 INFO L93 Difference]: Finished difference Result 3794 states and 5065 transitions. [2018-12-01 22:25:50,242 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-01 22:25:50,242 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 140 [2018-12-01 22:25:50,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:25:50,245 INFO L225 Difference]: With dead ends: 3794 [2018-12-01 22:25:50,245 INFO L226 Difference]: Without dead ends: 2142 [2018-12-01 22:25:50,247 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 147 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-12-01 22:25:50,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2142 states. [2018-12-01 22:25:50,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2142 to 2114. [2018-12-01 22:25:50,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2114 states. [2018-12-01 22:25:50,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2114 states to 2114 states and 2737 transitions. [2018-12-01 22:25:50,273 INFO L78 Accepts]: Start accepts. Automaton has 2114 states and 2737 transitions. Word has length 140 [2018-12-01 22:25:50,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:25:50,273 INFO L480 AbstractCegarLoop]: Abstraction has 2114 states and 2737 transitions. [2018-12-01 22:25:50,273 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-01 22:25:50,273 INFO L276 IsEmpty]: Start isEmpty. Operand 2114 states and 2737 transitions. [2018-12-01 22:25:50,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-12-01 22:25:50,275 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:25:50,276 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:25:50,276 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:25:50,276 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:25:50,276 INFO L82 PathProgramCache]: Analyzing trace with hash 381716831, now seen corresponding path program 1 times [2018-12-01 22:25:50,276 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:25:50,276 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:25:50,277 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:25:50,277 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:25:50,277 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:25:50,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:25:50,336 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 64 proven. 18 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 22:25:50,336 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:25:50,336 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-01 22:25:50,336 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 168 with the following transitions: [2018-12-01 22:25:50,337 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [45], [50], [52], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [127], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [503], [505], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-01 22:25:50,339 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-01 22:25:50,340 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-01 22:25:50,473 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-01 22:25:50,473 INFO L272 AbstractInterpreter]: Visited 109 different actions 320 times. Merged at 6 different actions 15 times. Never widened. Performed 3785 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3785 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-12-01 22:25:50,474 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:25:50,475 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-01 22:25:50,475 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:25:50,475 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_76c0c812-116c-4e81-a9e9-9a819fcb8cc8/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-01 22:25:50,481 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:25:50,481 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-01 22:25:50,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:25:50,532 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 22:25:50,587 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 71 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-01 22:25:50,587 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-01 22:25:50,634 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 64 proven. 18 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 22:25:50,659 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-01 22:25:50,659 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-01 22:25:50,660 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-01 22:25:50,660 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-01 22:25:50,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-01 22:25:50,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-12-01 22:25:50,660 INFO L87 Difference]: Start difference. First operand 2114 states and 2737 transitions. Second operand 9 states. [2018-12-01 22:25:51,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:25:51,148 INFO L93 Difference]: Finished difference Result 5017 states and 6674 transitions. [2018-12-01 22:25:51,148 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-01 22:25:51,148 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 167 [2018-12-01 22:25:51,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:25:51,154 INFO L225 Difference]: With dead ends: 5017 [2018-12-01 22:25:51,154 INFO L226 Difference]: Without dead ends: 2909 [2018-12-01 22:25:51,158 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 333 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2018-12-01 22:25:51,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2909 states. [2018-12-01 22:25:51,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2909 to 2884. [2018-12-01 22:25:51,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2884 states. [2018-12-01 22:25:51,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2884 states to 2884 states and 3723 transitions. [2018-12-01 22:25:51,218 INFO L78 Accepts]: Start accepts. Automaton has 2884 states and 3723 transitions. Word has length 167 [2018-12-01 22:25:51,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:25:51,218 INFO L480 AbstractCegarLoop]: Abstraction has 2884 states and 3723 transitions. [2018-12-01 22:25:51,218 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-01 22:25:51,218 INFO L276 IsEmpty]: Start isEmpty. Operand 2884 states and 3723 transitions. [2018-12-01 22:25:51,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-01 22:25:51,224 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:25:51,224 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2018-12-01 22:25:51,225 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:25:51,225 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:25:51,225 INFO L82 PathProgramCache]: Analyzing trace with hash 22512364, now seen corresponding path program 1 times [2018-12-01 22:25:51,225 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:25:51,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:25:51,226 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:25:51,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:25:51,226 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:25:51,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:25:51,308 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 101 proven. 18 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-01 22:25:51,309 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:25:51,309 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-01 22:25:51,309 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 180 with the following transitions: [2018-12-01 22:25:51,309 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [45], [50], [52], [53], [56], [59], [63], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [503], [505], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-01 22:25:51,311 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-01 22:25:51,311 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-01 22:25:51,480 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-01 22:25:51,480 INFO L272 AbstractInterpreter]: Visited 113 different actions 331 times. Merged at 7 different actions 20 times. Never widened. Performed 4027 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4027 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 3 different actions. Largest state had 38 variables. [2018-12-01 22:25:51,482 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:25:51,482 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-01 22:25:51,483 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:25:51,483 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_76c0c812-116c-4e81-a9e9-9a819fcb8cc8/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-01 22:25:51,488 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:25:51,488 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-01 22:25:51,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:25:51,535 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 22:25:51,561 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-12-01 22:25:51,561 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-01 22:25:51,593 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 74 proven. 2 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-12-01 22:25:51,609 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-01 22:25:51,609 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [6, 3] total 8 [2018-12-01 22:25:51,609 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:25:51,609 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 22:25:51,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 22:25:51,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-01 22:25:51,610 INFO L87 Difference]: Start difference. First operand 2884 states and 3723 transitions. Second operand 3 states. [2018-12-01 22:25:51,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:25:51,867 INFO L93 Difference]: Finished difference Result 6208 states and 8048 transitions. [2018-12-01 22:25:51,868 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 22:25:51,868 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 179 [2018-12-01 22:25:51,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:25:51,876 INFO L225 Difference]: With dead ends: 6208 [2018-12-01 22:25:51,876 INFO L226 Difference]: Without dead ends: 3330 [2018-12-01 22:25:51,880 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 363 GetRequests, 357 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-01 22:25:51,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3330 states. [2018-12-01 22:25:51,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3330 to 3033. [2018-12-01 22:25:51,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3033 states. [2018-12-01 22:25:51,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3033 states to 3033 states and 3754 transitions. [2018-12-01 22:25:51,924 INFO L78 Accepts]: Start accepts. Automaton has 3033 states and 3754 transitions. Word has length 179 [2018-12-01 22:25:51,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:25:51,924 INFO L480 AbstractCegarLoop]: Abstraction has 3033 states and 3754 transitions. [2018-12-01 22:25:51,924 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 22:25:51,925 INFO L276 IsEmpty]: Start isEmpty. Operand 3033 states and 3754 transitions. [2018-12-01 22:25:51,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-12-01 22:25:51,928 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:25:51,928 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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] [2018-12-01 22:25:51,928 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:25:51,928 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:25:51,928 INFO L82 PathProgramCache]: Analyzing trace with hash -320543301, now seen corresponding path program 1 times [2018-12-01 22:25:51,928 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:25:51,929 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:25:51,929 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:25:51,929 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:25:51,929 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:25:51,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:25:52,028 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 101 proven. 51 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-01 22:25:52,028 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:25:52,028 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-01 22:25:52,028 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 189 with the following transitions: [2018-12-01 22:25:52,029 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [45], [50], [52], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [107], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [503], [505], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-01 22:25:52,030 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-01 22:25:52,030 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-01 22:25:52,161 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-01 22:25:52,161 INFO L272 AbstractInterpreter]: Visited 112 different actions 329 times. Merged at 8 different actions 19 times. Never widened. Performed 3984 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3984 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 5 fixpoints after 3 different actions. Largest state had 38 variables. [2018-12-01 22:25:52,162 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:25:52,163 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-01 22:25:52,163 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:25:52,163 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_76c0c812-116c-4e81-a9e9-9a819fcb8cc8/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-01 22:25:52,169 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:25:52,169 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-01 22:25:52,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:25:52,213 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 22:25:52,252 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 140 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-01 22:25:52,252 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-01 22:25:52,299 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 115 proven. 18 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-01 22:25:52,314 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-01 22:25:52,314 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 16 [2018-12-01 22:25:52,314 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-01 22:25:52,314 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-01 22:25:52,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-01 22:25:52,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2018-12-01 22:25:52,315 INFO L87 Difference]: Start difference. First operand 3033 states and 3754 transitions. Second operand 15 states. [2018-12-01 22:25:53,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:25:53,644 INFO L93 Difference]: Finished difference Result 6338 states and 7742 transitions. [2018-12-01 22:25:53,645 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-01 22:25:53,645 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 188 [2018-12-01 22:25:53,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:25:53,645 INFO L225 Difference]: With dead ends: 6338 [2018-12-01 22:25:53,645 INFO L226 Difference]: Without dead ends: 0 [2018-12-01 22:25:53,654 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 418 GetRequests, 386 SyntacticMatches, 3 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=264, Invalid=666, Unknown=0, NotChecked=0, Total=930 [2018-12-01 22:25:53,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-01 22:25:53,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-01 22:25:53,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-01 22:25:53,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-01 22:25:53,654 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 188 [2018-12-01 22:25:53,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:25:53,655 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-01 22:25:53,655 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-01 22:25:53,655 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-01 22:25:53,655 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 22:25:53,659 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-01 22:25:53,716 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:25:53,720 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:25:53,722 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:25:53,732 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:25:53,732 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:25:53,734 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:25:53,736 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:25:53,747 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:25:53,748 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:25:54,285 WARN L180 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 75 [2018-12-01 22:25:54,449 WARN L180 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 48 [2018-12-01 22:25:54,595 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 53 [2018-12-01 22:25:54,596 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-01 22:25:54,596 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a28~0)| ~a28~0) (= ~a17~0 |old(~a17~0)|) (= |old(~a25~0)| ~a25~0)) [2018-12-01 22:25:54,596 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-01 22:25:54,596 INFO L448 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:25:54,596 INFO L448 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:25:54,597 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:25:54,597 INFO L448 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:25:54,597 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:25:54,597 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-12-01 22:25:54,597 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-12-01 22:25:54,597 INFO L448 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-12-01 22:25:54,597 INFO L448 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-12-01 22:25:54,597 INFO L448 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-12-01 22:25:54,597 INFO L448 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-12-01 22:25:54,597 INFO L448 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-12-01 22:25:54,597 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-12-01 22:25:54,597 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-12-01 22:25:54,597 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 463) no Hoare annotation was computed. [2018-12-01 22:25:54,597 INFO L448 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-12-01 22:25:54,598 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-12-01 22:25:54,598 INFO L448 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-12-01 22:25:54,598 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-12-01 22:25:54,598 INFO L448 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:25:54,598 INFO L448 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:25:54,598 INFO L448 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:25:54,598 INFO L448 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:25:54,598 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-12-01 22:25:54,598 INFO L448 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:25:54,598 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-12-01 22:25:54,598 INFO L448 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-12-01 22:25:54,598 INFO L448 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-12-01 22:25:54,598 INFO L448 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-12-01 22:25:54,598 INFO L448 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-12-01 22:25:54,599 INFO L448 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-12-01 22:25:54,599 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-12-01 22:25:54,599 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-12-01 22:25:54,599 INFO L448 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-12-01 22:25:54,599 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-12-01 22:25:54,599 INFO L448 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-12-01 22:25:54,599 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-12-01 22:25:54,599 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-12-01 22:25:54,599 INFO L448 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-12-01 22:25:54,599 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-12-01 22:25:54,599 INFO L448 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:25:54,599 INFO L448 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:25:54,599 INFO L448 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:25:54,599 INFO L448 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:25:54,600 INFO L448 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:25:54,600 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-12-01 22:25:54,600 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-12-01 22:25:54,600 INFO L448 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-12-01 22:25:54,600 INFO L448 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-12-01 22:25:54,600 INFO L448 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-12-01 22:25:54,600 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-12-01 22:25:54,600 INFO L448 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-12-01 22:25:54,600 INFO L448 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-12-01 22:25:54,600 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-12-01 22:25:54,600 INFO L448 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-12-01 22:25:54,600 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-12-01 22:25:54,600 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:25:54,600 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:25:54,600 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:25:54,600 INFO L448 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:25:54,600 INFO L448 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:25:54,600 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-12-01 22:25:54,600 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-12-01 22:25:54,600 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-12-01 22:25:54,601 INFO L448 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-12-01 22:25:54,601 INFO L448 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-12-01 22:25:54,601 INFO L448 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-12-01 22:25:54,601 INFO L448 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-12-01 22:25:54,601 INFO L448 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-12-01 22:25:54,601 INFO L448 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-12-01 22:25:54,601 INFO L448 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-12-01 22:25:54,601 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-12-01 22:25:54,601 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-12-01 22:25:54,601 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-12-01 22:25:54,601 INFO L448 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:25:54,601 INFO L448 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:25:54,601 INFO L448 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:25:54,601 INFO L448 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:25:54,601 INFO L448 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:25:54,601 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-12-01 22:25:54,601 INFO L448 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-12-01 22:25:54,601 INFO L448 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-12-01 22:25:54,601 INFO L448 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-12-01 22:25:54,601 INFO L448 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-12-01 22:25:54,601 INFO L448 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-12-01 22:25:54,601 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-12-01 22:25:54,601 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-12-01 22:25:54,601 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-12-01 22:25:54,601 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-12-01 22:25:54,601 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-12-01 22:25:54,602 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-12-01 22:25:54,602 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-12-01 22:25:54,602 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-12-01 22:25:54,602 INFO L448 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-12-01 22:25:54,602 INFO L448 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-12-01 22:25:54,602 INFO L448 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:25:54,602 INFO L448 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:25:54,602 INFO L448 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:25:54,602 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:25:54,602 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-12-01 22:25:54,602 INFO L448 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:25:54,602 INFO L448 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-12-01 22:25:54,602 INFO L448 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:25:54,602 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-12-01 22:25:54,602 INFO L448 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-12-01 22:25:54,602 INFO L448 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-12-01 22:25:54,602 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:25:54,602 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:25:54,602 INFO L448 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-12-01 22:25:54,602 INFO L448 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-12-01 22:25:54,602 INFO L448 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-12-01 22:25:54,602 INFO L448 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-12-01 22:25:54,602 INFO L448 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-12-01 22:25:54,602 INFO L448 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-12-01 22:25:54,602 INFO L448 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-12-01 22:25:54,602 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-12-01 22:25:54,603 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-12-01 22:25:54,603 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-12-01 22:25:54,603 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-12-01 22:25:54,603 INFO L448 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:25:54,603 INFO L448 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:25:54,603 INFO L448 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:25:54,603 INFO L448 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:25:54,603 INFO L448 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:25:54,603 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:25:54,603 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-12-01 22:25:54,603 INFO L448 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-12-01 22:25:54,603 INFO L448 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-12-01 22:25:54,603 INFO L448 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-12-01 22:25:54,603 INFO L448 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-12-01 22:25:54,603 INFO L448 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-12-01 22:25:54,603 INFO L448 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-12-01 22:25:54,603 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-12-01 22:25:54,603 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-12-01 22:25:54,603 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-12-01 22:25:54,603 INFO L448 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-12-01 22:25:54,603 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:25:54,603 INFO L448 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:25:54,603 INFO L448 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:25:54,603 INFO L448 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:25:54,603 INFO L448 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:25:54,603 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:25:54,604 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-12-01 22:25:54,604 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-12-01 22:25:54,604 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-12-01 22:25:54,604 INFO L448 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-12-01 22:25:54,604 INFO L448 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-12-01 22:25:54,604 INFO L448 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-12-01 22:25:54,604 INFO L448 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-12-01 22:25:54,604 INFO L448 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-12-01 22:25:54,604 INFO L448 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-12-01 22:25:54,604 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-12-01 22:25:54,604 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-12-01 22:25:54,604 INFO L448 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-12-01 22:25:54,604 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-12-01 22:25:54,604 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-12-01 22:25:54,604 INFO L448 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:25:54,604 INFO L448 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:25:54,604 INFO L448 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:25:54,604 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse6 (= 1 |old(~a19~0)|)) (.cse19 (= 1 |old(~a25~0)|)) (.cse14 (= |old(~a28~0)| ~a28~0)) (.cse0 (= 7 ~a17~0)) (.cse1 (= |old(~a25~0)| ~a25~0)) (.cse15 (not (= 1 ~a19~0))) (.cse2 (= 8 |old(~a28~0)|))) (let ((.cse3 (and (not (= 7 |old(~a28~0)|)) (not .cse2))) (.cse16 (not (= |old(~a17~0)| 8))) (.cse18 (= ~a17~0 |old(~a17~0)|)) (.cse7 (= |old(~a17~0)| |old(~a28~0)|)) (.cse8 (and .cse14 .cse0 .cse1 .cse15)) (.cse17 (or .cse6 .cse19)) (.cse4 (not (= 7 |old(~a17~0)|))) (.cse5 (< 10 |old(~a28~0)|)) (.cse11 (= 0 |old(~a28~0)|)) (.cse9 (not (= 1 ~a21~0))) (.cse10 (not .cse6)) (.cse20 (not (= 0 |old(~a11~0)|))) (.cse12 (not (= 8 |old(~a17~0)|))) (.cse13 (= |calculate_output_#in~input| 0)) (.cse21 (= ~a11~0 0))) (and (or (and .cse0 .cse1 (= ~a28~0 7)) .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse2 .cse8 .cse4) (or .cse9 .cse10 .cse11 .cse12 .cse13 (and .cse14 (= ~a17~0 8) .cse1 (= ~a19~0 1))) (or .cse15 .cse16 (or .cse17 .cse3)) (or (and .cse14 .cse18 .cse1) .cse16 .cse3) (or .cse5 .cse6 .cse2 .cse16 (and .cse14 .cse18 .cse1 .cse15)) (or .cse5 .cse2 (and .cse14 .cse0 .cse1) .cse19 .cse4) (or .cse5 .cse7 .cse8 .cse17 .cse4) (or (or .cse5 .cse9 .cse10 .cse11 .cse20 .cse12 .cse13) .cse21) (or (or .cse9 (not (= 11 |old(~a28~0)|)) (not .cse19)) .cse10 .cse20 .cse12 .cse13 .cse21)))) [2018-12-01 22:25:54,604 INFO L448 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:25:54,605 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:25:54,605 INFO L448 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:25:54,605 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-12-01 22:25:54,605 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-12-01 22:25:54,605 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-12-01 22:25:54,605 INFO L448 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-12-01 22:25:54,605 INFO L448 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-12-01 22:25:54,605 INFO L448 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-12-01 22:25:54,605 INFO L448 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-12-01 22:25:54,605 INFO L448 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-12-01 22:25:54,605 INFO L448 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-12-01 22:25:54,605 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-12-01 22:25:54,605 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-12-01 22:25:54,605 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-12-01 22:25:54,605 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-12-01 22:25:54,605 INFO L448 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:25:54,605 INFO L448 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:25:54,605 INFO L448 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:25:54,605 INFO L448 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:25:54,605 INFO L448 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:25:54,606 INFO L448 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:25:54,606 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-12-01 22:25:54,606 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-12-01 22:25:54,606 INFO L448 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-12-01 22:25:54,606 INFO L448 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-12-01 22:25:54,606 INFO L448 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-12-01 22:25:54,606 INFO L448 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-12-01 22:25:54,606 INFO L448 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-12-01 22:25:54,606 INFO L448 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-12-01 22:25:54,606 INFO L448 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-12-01 22:25:54,606 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-12-01 22:25:54,606 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-12-01 22:25:54,606 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-12-01 22:25:54,606 INFO L448 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-12-01 22:25:54,606 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-12-01 22:25:54,606 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-12-01 22:25:54,606 INFO L448 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-12-01 22:25:54,606 INFO L448 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:25:54,606 INFO L448 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:25:54,606 INFO L448 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:25:54,606 INFO L448 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:25:54,606 INFO L448 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:25:54,606 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-12-01 22:25:54,606 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-12-01 22:25:54,606 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-12-01 22:25:54,607 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-12-01 22:25:54,607 INFO L448 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-12-01 22:25:54,607 INFO L448 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-12-01 22:25:54,607 INFO L448 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-12-01 22:25:54,607 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-12-01 22:25:54,607 INFO L448 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-12-01 22:25:54,607 INFO L448 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-12-01 22:25:54,607 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-12-01 22:25:54,607 INFO L448 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-12-01 22:25:54,607 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-12-01 22:25:54,607 INFO L448 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-12-01 22:25:54,607 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-12-01 22:25:54,607 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-12-01 22:25:54,607 INFO L448 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-12-01 22:25:54,607 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-12-01 22:25:54,607 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-12-01 22:25:54,607 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-01 22:25:54,607 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a21~0 1)) [2018-12-01 22:25:54,607 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-01 22:25:54,607 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-01 22:25:54,607 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 ~a21~0)) (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7)) (not (= 1 |old(~a19~0)|)) (not (= 0 |old(~a11~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a25~0)|))) [2018-12-01 22:25:54,607 INFO L444 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse2 (not (= ~a28~0 8))) (.cse4 (not (= ~a25~0 1))) (.cse0 (= 7 ~a17~0)) (.cse1 (<= ~a28~0 10)) (.cse3 (not (= 1 ~a19~0)))) (or (not (= 1 ~a21~0)) (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~a11~0)|)) (and (not (= ~a28~0 0)) (= ~a17~0 8) (= ~a19~0 1)) (and .cse4 .cse0 .cse2 .cse1) (and (= ~a28~0 7) .cse0) (not (= 1 |old(~a19~0)|)) (and (= |old(~a17~0)| ~a17~0) .cse1 .cse3) (not (= 8 |old(~a17~0)|)) (and .cse4 .cse0 .cse1 .cse3) (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a25~0)|)))) [2018-12-01 22:25:54,608 INFO L448 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2018-12-01 22:25:54,608 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-12-01 22:25:54,608 INFO L444 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse7 (= ~a28~0 8))) (let ((.cse4 (or .cse7 (= ~a28~0 7))) (.cse2 (not .cse7)) (.cse5 (= |old(~a17~0)| ~a17~0)) (.cse6 (not (= ~a25~0 1))) (.cse0 (= 7 ~a17~0)) (.cse1 (<= ~a28~0 10)) (.cse3 (not (= 1 ~a19~0)))) (or (not (= 1 ~a21~0)) (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~a11~0)|)) (and .cse4 .cse5) (and .cse6 .cse0 .cse2 .cse1) (and .cse4 .cse0 .cse2) (not (= 1 |old(~a19~0)|)) (and .cse5 .cse1 .cse3) (not (= 8 |old(~a17~0)|)) (and .cse6 .cse0 .cse1 .cse3) (and (not (= main_~input~0 0)) (not (= ~a28~0 0)) (= ~a17~0 8) (= ~a19~0 1)) (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a25~0)|))))) [2018-12-01 22:25:54,608 INFO L448 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-12-01 22:25:54,608 INFO L448 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-12-01 22:25:54,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 10:25:54 BoogieIcfgContainer [2018-12-01 22:25:54,616 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-01 22:25:54,616 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 22:25:54,616 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 22:25:54,617 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 22:25:54,617 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:25:40" (3/4) ... [2018-12-01 22:25:54,619 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 22:25:54,622 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-01 22:25:54,623 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-01 22:25:54,623 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-01 22:25:54,631 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-01 22:25:54,632 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-01 22:25:54,649 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(1 == a21) || (((7 == a17 && a28 <= 10) && !(a28 == 8)) && !(1 == a19))) || !(0 == \old(a11))) || ((!(a28 == 0) && a17 == 8) && a19 == 1)) || (((!(a25 == 1) && 7 == a17) && !(a28 == 8)) && a28 <= 10)) || (a28 == 7 && 7 == a17)) || !(1 == \old(a19))) || ((\old(a17) == a17 && a28 <= 10) && !(1 == a19))) || !(8 == \old(a17))) || (((!(a25 == 1) && 7 == a17) && a28 <= 10) && !(1 == a19))) || !(7 == \old(a28))) || !(0 == \old(a25)) [2018-12-01 22:25:54,705 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_76c0c812-116c-4e81-a9e9-9a819fcb8cc8/bin-2019/utaipan/witness.graphml [2018-12-01 22:25:54,706 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 22:25:54,706 INFO L168 Benchmark]: Toolchain (without parser) took 15020.11 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 771.2 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -149.9 MB). Peak memory consumption was 621.3 MB. Max. memory is 11.5 GB. [2018-12-01 22:25:54,707 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 22:25:54,707 INFO L168 Benchmark]: CACSL2BoogieTranslator took 325.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -192.8 MB). Peak memory consumption was 51.6 MB. Max. memory is 11.5 GB. [2018-12-01 22:25:54,707 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.21 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 22:25:54,708 INFO L168 Benchmark]: Boogie Preprocessor took 52.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-01 22:25:54,708 INFO L168 Benchmark]: RCFGBuilder took 635.55 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: 100.5 MB). Peak memory consumption was 100.5 MB. Max. memory is 11.5 GB. [2018-12-01 22:25:54,708 INFO L168 Benchmark]: TraceAbstraction took 13887.56 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 625.5 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -100.2 MB). Peak memory consumption was 525.3 MB. Max. memory is 11.5 GB. [2018-12-01 22:25:54,708 INFO L168 Benchmark]: Witness Printer took 89.32 ms. Allocated memory is still 1.8 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 35.7 MB). Peak memory consumption was 35.7 MB. Max. memory is 11.5 GB. [2018-12-01 22:25:54,710 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 325.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -192.8 MB). Peak memory consumption was 51.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.21 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 52.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 635.55 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: 100.5 MB). Peak memory consumption was 100.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 13887.56 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 625.5 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -100.2 MB). Peak memory consumption was 525.3 MB. Max. memory is 11.5 GB. * Witness Printer took 89.32 ms. Allocated memory is still 1.8 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 35.7 MB). Peak memory consumption was 35.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 463]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((((((!(1 == a21) || (((7 == a17 && a28 <= 10) && !(a28 == 8)) && !(1 == a19))) || !(0 == \old(a11))) || ((!(a28 == 0) && a17 == 8) && a19 == 1)) || (((!(a25 == 1) && 7 == a17) && !(a28 == 8)) && a28 <= 10)) || (a28 == 7 && 7 == a17)) || !(1 == \old(a19))) || ((\old(a17) == a17 && a28 <= 10) && !(1 == a19))) || !(8 == \old(a17))) || (((!(a25 == 1) && 7 == a17) && a28 <= 10) && !(1 == a19))) || !(7 == \old(a28))) || !(0 == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. SAFE Result, 13.8s OverallTime, 9 OverallIterations, 5 TraceHistogramMax, 9.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 916 SDtfs, 4987 SDslu, 735 SDs, 0 SdLazy, 7699 SolverSat, 1526 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.8s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 1570 GetRequests, 1468 SyntacticMatches, 8 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 323 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3033occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.0s AbstIntTime, 6 AbstIntIterations, 3 AbstIntStrong, 0.9966164854806316 AbsIntWeakeningRatio, 0.26732673267326734 AbsIntAvgWeakeningVarsNumRemoved, 25.507425742574256 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 524 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 112 PreInvPairs, 156 NumberOfFragments, 584 HoareAnnotationTreeSize, 112 FomulaSimplifications, 2851 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2244 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1825 NumberOfCodeBlocks, 1825 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2344 ConstructedInterpolants, 0 QuantifiedInterpolants, 678780 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1525 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 15 InterpolantComputations, 4 PerfectInterpolantSequences, 1232/1381 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...