./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/bitvector/num_conversion_1_true-unreach-call_true-no-overflow.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8047e475-3067-44e6-ad20-be9392b45651/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8047e475-3067-44e6-ad20-be9392b45651/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8047e475-3067-44e6-ad20-be9392b45651/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8047e475-3067-44e6-ad20-be9392b45651/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/num_conversion_1_true-unreach-call_true-no-overflow.i -s /tmp/vcloud-vcloud-master/worker/working_dir_8047e475-3067-44e6-ad20-be9392b45651/bin-2019/uautomizer/config/svcomp-Reach-32bit-PetriAutomizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8047e475-3067-44e6-ad20-be9392b45651/bin-2019/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d2a071cc6090a217f48ed180b566a651717a8e39 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8047e475-3067-44e6-ad20-be9392b45651/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8047e475-3067-44e6-ad20-be9392b45651/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8047e475-3067-44e6-ad20-be9392b45651/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8047e475-3067-44e6-ad20-be9392b45651/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/num_conversion_1_true-unreach-call_true-no-overflow.i -s /tmp/vcloud-vcloud-master/worker/working_dir_8047e475-3067-44e6-ad20-be9392b45651/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8047e475-3067-44e6-ad20-be9392b45651/bin-2019/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d2a071cc6090a217f48ed180b566a651717a8e39 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 09:01:10,007 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 09:01:10,009 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 09:01:10,016 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 09:01:10,016 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 09:01:10,016 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 09:01:10,017 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 09:01:10,018 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 09:01:10,019 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 09:01:10,020 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 09:01:10,021 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 09:01:10,021 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 09:01:10,022 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 09:01:10,022 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 09:01:10,023 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 09:01:10,024 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 09:01:10,024 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 09:01:10,025 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 09:01:10,027 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 09:01:10,028 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 09:01:10,028 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 09:01:10,029 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 09:01:10,031 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 09:01:10,031 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 09:01:10,031 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 09:01:10,032 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 09:01:10,033 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 09:01:10,033 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 09:01:10,034 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 09:01:10,035 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 09:01:10,035 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 09:01:10,035 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 09:01:10,036 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 09:01:10,036 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 09:01:10,036 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 09:01:10,037 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 09:01:10,037 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8047e475-3067-44e6-ad20-be9392b45651/bin-2019/uautomizer/config/svcomp-Reach-32bit-PetriAutomizer_Default.epf [2018-11-18 09:01:10,047 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 09:01:10,048 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 09:01:10,048 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 09:01:10,048 INFO L133 SettingsManager]: * Process only entry and re-entry procedures=false [2018-11-18 09:01:10,049 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 09:01:10,049 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 09:01:10,049 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 09:01:10,049 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 09:01:10,049 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 09:01:10,050 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 09:01:10,050 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 09:01:10,050 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 09:01:10,050 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 09:01:10,050 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 09:01:10,050 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 09:01:10,051 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 09:01:10,051 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 09:01:10,051 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 09:01:10,051 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 09:01:10,051 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 09:01:10,051 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 09:01:10,051 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 09:01:10,052 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 09:01:10,052 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 09:01:10,052 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 09:01:10,052 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 09:01:10,052 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 09:01:10,052 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 09:01:10,053 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 09:01:10,053 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 09:01:10,053 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_8047e475-3067-44e6-ad20-be9392b45651/bin-2019/uautomizer 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 -> Automizer 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 -> d2a071cc6090a217f48ed180b566a651717a8e39 [2018-11-18 09:01:10,077 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 09:01:10,085 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 09:01:10,087 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 09:01:10,088 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 09:01:10,088 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 09:01:10,089 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8047e475-3067-44e6-ad20-be9392b45651/bin-2019/uautomizer/../../sv-benchmarks/c/bitvector/num_conversion_1_true-unreach-call_true-no-overflow.i [2018-11-18 09:01:10,134 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8047e475-3067-44e6-ad20-be9392b45651/bin-2019/uautomizer/data/35deb844e/8203a06bf4484f5ba49e48335582a155/FLAGdb25611c6 [2018-11-18 09:01:10,532 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 09:01:10,533 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8047e475-3067-44e6-ad20-be9392b45651/sv-benchmarks/c/bitvector/num_conversion_1_true-unreach-call_true-no-overflow.i [2018-11-18 09:01:10,537 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8047e475-3067-44e6-ad20-be9392b45651/bin-2019/uautomizer/data/35deb844e/8203a06bf4484f5ba49e48335582a155/FLAGdb25611c6 [2018-11-18 09:01:10,550 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8047e475-3067-44e6-ad20-be9392b45651/bin-2019/uautomizer/data/35deb844e/8203a06bf4484f5ba49e48335582a155 [2018-11-18 09:01:10,552 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 09:01:10,554 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 09:01:10,554 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 09:01:10,554 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 09:01:10,556 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 09:01:10,557 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:01:10" (1/1) ... [2018-11-18 09:01:10,559 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@631aaeb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:01:10, skipping insertion in model container [2018-11-18 09:01:10,559 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:01:10" (1/1) ... [2018-11-18 09:01:10,566 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 09:01:10,580 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 09:01:10,689 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:01:10,692 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 09:01:10,702 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:01:10,710 INFO L195 MainTranslator]: Completed translation [2018-11-18 09:01:10,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:01:10 WrapperNode [2018-11-18 09:01:10,711 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 09:01:10,711 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 09:01:10,711 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 09:01:10,711 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 09:01:10,719 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:01:10" (1/1) ... [2018-11-18 09:01:10,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:01:10" (1/1) ... [2018-11-18 09:01:10,722 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:01:10" (1/1) ... [2018-11-18 09:01:10,722 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:01:10" (1/1) ... [2018-11-18 09:01:10,725 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:01:10" (1/1) ... [2018-11-18 09:01:10,728 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:01:10" (1/1) ... [2018-11-18 09:01:10,729 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:01:10" (1/1) ... [2018-11-18 09:01:10,730 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 09:01:10,730 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 09:01:10,730 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 09:01:10,730 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 09:01:10,731 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:01:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8047e475-3067-44e6-ad20-be9392b45651/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 09:01:10,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 09:01:10,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 09:01:10,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-18 09:01:10,817 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 09:01:10,817 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 09:01:10,817 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-18 09:01:10,817 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-18 09:01:10,818 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 09:01:10,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 09:01:10,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 09:01:10,941 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 09:01:10,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:01:10 BoogieIcfgContainer [2018-11-18 09:01:10,942 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 09:01:10,942 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 09:01:10,943 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 09:01:10,945 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 09:01:10,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 09:01:10" (1/3) ... [2018-11-18 09:01:10,946 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@465d137 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:01:10, skipping insertion in model container [2018-11-18 09:01:10,946 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:01:10" (2/3) ... [2018-11-18 09:01:10,947 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@465d137 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:01:10, skipping insertion in model container [2018-11-18 09:01:10,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:01:10" (3/3) ... [2018-11-18 09:01:10,948 INFO L112 eAbstractionObserver]: Analyzing ICFG num_conversion_1_true-unreach-call_true-no-overflow.i [2018-11-18 09:01:10,955 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 09:01:10,962 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 09:01:10,974 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 09:01:11,001 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 09:01:11,002 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 09:01:11,002 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 09:01:11,002 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 09:01:11,002 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 09:01:11,002 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 09:01:11,002 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 09:01:11,003 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 09:01:11,003 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 09:01:11,018 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2018-11-18 09:01:11,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-18 09:01:11,023 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:01:11,023 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:01:11,025 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:01:11,030 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:01:11,030 INFO L82 PathProgramCache]: Analyzing trace with hash -2008095039, now seen corresponding path program 1 times [2018-11-18 09:01:11,032 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:01:11,032 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:01:11,079 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:01:11,079 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:01:11,079 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:01:11,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:01:11,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:01:11,125 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:01:11,125 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 09:01:11,128 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 09:01:11,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 09:01:11,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 09:01:11,139 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 2 states. [2018-11-18 09:01:11,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:01:11,158 INFO L93 Difference]: Finished difference Result 33 states and 37 transitions. [2018-11-18 09:01:11,158 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 09:01:11,160 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2018-11-18 09:01:11,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:01:11,166 INFO L225 Difference]: With dead ends: 33 [2018-11-18 09:01:11,166 INFO L226 Difference]: Without dead ends: 14 [2018-11-18 09:01:11,168 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 09:01:11,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2018-11-18 09:01:11,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2018-11-18 09:01:11,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2018-11-18 09:01:11,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2018-11-18 09:01:11,190 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 10 [2018-11-18 09:01:11,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:01:11,190 INFO L480 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2018-11-18 09:01:11,190 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 09:01:11,190 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2018-11-18 09:01:11,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 09:01:11,190 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:01:11,191 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:01:11,191 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:01:11,191 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:01:11,191 INFO L82 PathProgramCache]: Analyzing trace with hash 1715940768, now seen corresponding path program 1 times [2018-11-18 09:01:11,191 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:01:11,191 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:01:11,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:01:11,192 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:01:11,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:01:11,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:01:11,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:01:11,252 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:01:11,252 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 09:01:11,253 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 09:01:11,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 09:01:11,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:01:11,254 INFO L87 Difference]: Start difference. First operand 14 states and 15 transitions. Second operand 3 states. [2018-11-18 09:01:11,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:01:11,266 INFO L93 Difference]: Finished difference Result 23 states and 25 transitions. [2018-11-18 09:01:11,266 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 09:01:11,267 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2018-11-18 09:01:11,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:01:11,267 INFO L225 Difference]: With dead ends: 23 [2018-11-18 09:01:11,267 INFO L226 Difference]: Without dead ends: 18 [2018-11-18 09:01:11,268 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:01:11,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2018-11-18 09:01:11,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 16. [2018-11-18 09:01:11,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-11-18 09:01:11,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2018-11-18 09:01:11,270 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 11 [2018-11-18 09:01:11,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:01:11,270 INFO L480 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2018-11-18 09:01:11,270 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 09:01:11,270 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2018-11-18 09:01:11,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-18 09:01:11,271 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:01:11,271 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:01:11,271 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:01:11,271 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:01:11,271 INFO L82 PathProgramCache]: Analyzing trace with hash 1858249546, now seen corresponding path program 1 times [2018-11-18 09:01:11,271 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:01:11,271 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:01:11,272 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:01:11,272 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:01:11,273 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:01:11,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:01:11,330 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:01:11,330 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:01:11,330 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8047e475-3067-44e6-ad20-be9392b45651/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 09:01:11,348 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:01:11,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:01:11,364 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:01:11,402 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:01:11,421 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 09:01:11,421 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2018-11-18 09:01:11,422 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 09:01:11,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 09:01:11,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 09:01:11,423 INFO L87 Difference]: Start difference. First operand 16 states and 17 transitions. Second operand 5 states. [2018-11-18 09:01:11,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:01:11,477 INFO L93 Difference]: Finished difference Result 27 states and 30 transitions. [2018-11-18 09:01:11,477 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 09:01:11,478 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2018-11-18 09:01:11,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:01:11,478 INFO L225 Difference]: With dead ends: 27 [2018-11-18 09:01:11,478 INFO L226 Difference]: Without dead ends: 22 [2018-11-18 09:01:11,479 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 09:01:11,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2018-11-18 09:01:11,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 20. [2018-11-18 09:01:11,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2018-11-18 09:01:11,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 22 transitions. [2018-11-18 09:01:11,482 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 22 transitions. Word has length 15 [2018-11-18 09:01:11,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:01:11,483 INFO L480 AbstractCegarLoop]: Abstraction has 20 states and 22 transitions. [2018-11-18 09:01:11,483 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 09:01:11,483 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2018-11-18 09:01:11,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 09:01:11,483 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:01:11,483 INFO L375 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:01:11,484 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:01:11,484 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:01:11,484 INFO L82 PathProgramCache]: Analyzing trace with hash 1003959284, now seen corresponding path program 2 times [2018-11-18 09:01:11,484 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:01:11,484 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:01:11,485 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:01:11,485 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:01:11,485 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:01:11,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:01:11,568 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:01:11,568 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:01:11,568 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8047e475-3067-44e6-ad20-be9392b45651/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 09:01:11,582 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-18 09:01:11,593 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-18 09:01:11,593 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 09:01:11,595 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:01:11,621 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:01:11,642 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 09:01:11,642 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2018-11-18 09:01:11,643 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 09:01:11,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 09:01:11,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-11-18 09:01:11,643 INFO L87 Difference]: Start difference. First operand 20 states and 22 transitions. Second operand 7 states. [2018-11-18 09:01:11,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:01:11,673 INFO L93 Difference]: Finished difference Result 31 states and 35 transitions. [2018-11-18 09:01:11,673 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 09:01:11,673 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2018-11-18 09:01:11,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:01:11,674 INFO L225 Difference]: With dead ends: 31 [2018-11-18 09:01:11,674 INFO L226 Difference]: Without dead ends: 26 [2018-11-18 09:01:11,674 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-11-18 09:01:11,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2018-11-18 09:01:11,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 24. [2018-11-18 09:01:11,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2018-11-18 09:01:11,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions. [2018-11-18 09:01:11,677 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 27 transitions. Word has length 19 [2018-11-18 09:01:11,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:01:11,677 INFO L480 AbstractCegarLoop]: Abstraction has 24 states and 27 transitions. [2018-11-18 09:01:11,677 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 09:01:11,678 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2018-11-18 09:01:11,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 09:01:11,678 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:01:11,678 INFO L375 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:01:11,678 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:01:11,678 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:01:11,679 INFO L82 PathProgramCache]: Analyzing trace with hash 1434410910, now seen corresponding path program 3 times [2018-11-18 09:01:11,679 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:01:11,679 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:01:11,679 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:01:11,679 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 09:01:11,680 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:01:11,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:01:11,753 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:01:11,754 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:01:11,754 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8047e475-3067-44e6-ad20-be9392b45651/bin-2019/uautomizer/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 [2018-11-18 09:01:11,768 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-18 09:01:11,790 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2018-11-18 09:01:11,790 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 09:01:11,792 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:01:11,886 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:01:11,901 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 09:01:11,901 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2018-11-18 09:01:11,902 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 09:01:11,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 09:01:11,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-11-18 09:01:11,902 INFO L87 Difference]: Start difference. First operand 24 states and 27 transitions. Second operand 9 states. [2018-11-18 09:01:11,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:01:11,938 INFO L93 Difference]: Finished difference Result 35 states and 40 transitions. [2018-11-18 09:01:11,938 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 09:01:11,938 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2018-11-18 09:01:11,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:01:11,939 INFO L225 Difference]: With dead ends: 35 [2018-11-18 09:01:11,939 INFO L226 Difference]: Without dead ends: 30 [2018-11-18 09:01:11,939 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-11-18 09:01:11,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2018-11-18 09:01:11,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 28. [2018-11-18 09:01:11,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-11-18 09:01:11,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2018-11-18 09:01:11,943 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 23 [2018-11-18 09:01:11,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:01:11,944 INFO L480 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2018-11-18 09:01:11,944 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 09:01:11,944 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2018-11-18 09:01:11,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 09:01:11,944 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:01:11,944 INFO L375 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:01:11,945 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:01:11,945 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:01:11,945 INFO L82 PathProgramCache]: Analyzing trace with hash -1032477112, now seen corresponding path program 4 times [2018-11-18 09:01:11,945 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:01:11,945 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:01:11,945 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:01:11,946 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 09:01:11,946 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:01:11,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:01:12,019 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:01:12,020 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:01:12,020 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8047e475-3067-44e6-ad20-be9392b45651/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 09:01:12,029 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-11-18 09:01:12,038 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-11-18 09:01:12,038 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 09:01:12,040 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:01:12,175 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:01:12,199 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 09:01:12,200 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2018-11-18 09:01:12,200 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-18 09:01:12,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-18 09:01:12,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-11-18 09:01:12,200 INFO L87 Difference]: Start difference. First operand 28 states and 32 transitions. Second operand 11 states. [2018-11-18 09:01:12,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:01:12,289 INFO L93 Difference]: Finished difference Result 39 states and 45 transitions. [2018-11-18 09:01:12,290 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 09:01:12,290 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 27 [2018-11-18 09:01:12,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:01:12,290 INFO L225 Difference]: With dead ends: 39 [2018-11-18 09:01:12,290 INFO L226 Difference]: Without dead ends: 34 [2018-11-18 09:01:12,291 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 19 SyntacticMatches, 5 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-11-18 09:01:12,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-11-18 09:01:12,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2018-11-18 09:01:12,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-11-18 09:01:12,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 37 transitions. [2018-11-18 09:01:12,296 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 37 transitions. Word has length 27 [2018-11-18 09:01:12,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:01:12,297 INFO L480 AbstractCegarLoop]: Abstraction has 32 states and 37 transitions. [2018-11-18 09:01:12,297 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-18 09:01:12,297 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2018-11-18 09:01:12,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 09:01:12,298 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:01:12,298 INFO L375 BasicCegarLoop]: trace histogram [6, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:01:12,298 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:01:12,298 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:01:12,298 INFO L82 PathProgramCache]: Analyzing trace with hash -1472952334, now seen corresponding path program 5 times [2018-11-18 09:01:12,298 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:01:12,299 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:01:12,299 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:01:12,299 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 09:01:12,299 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:01:12,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:01:12,380 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:01:12,381 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:01:12,381 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8047e475-3067-44e6-ad20-be9392b45651/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 09:01:12,387 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-11-18 09:01:12,399 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2018-11-18 09:01:12,399 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 09:01:12,400 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:01:12,497 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:01:12,512 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 09:01:12,512 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2018-11-18 09:01:12,512 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-18 09:01:12,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-18 09:01:12,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2018-11-18 09:01:12,513 INFO L87 Difference]: Start difference. First operand 32 states and 37 transitions. Second operand 13 states. [2018-11-18 09:01:12,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:01:12,576 INFO L93 Difference]: Finished difference Result 43 states and 50 transitions. [2018-11-18 09:01:12,576 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 09:01:12,577 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 31 [2018-11-18 09:01:12,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:01:12,577 INFO L225 Difference]: With dead ends: 43 [2018-11-18 09:01:12,577 INFO L226 Difference]: Without dead ends: 38 [2018-11-18 09:01:12,578 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 26 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2018-11-18 09:01:12,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2018-11-18 09:01:12,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 36. [2018-11-18 09:01:12,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2018-11-18 09:01:12,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 42 transitions. [2018-11-18 09:01:12,583 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 42 transitions. Word has length 31 [2018-11-18 09:01:12,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:01:12,584 INFO L480 AbstractCegarLoop]: Abstraction has 36 states and 42 transitions. [2018-11-18 09:01:12,584 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-18 09:01:12,584 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 42 transitions. [2018-11-18 09:01:12,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-18 09:01:12,585 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:01:12,585 INFO L375 BasicCegarLoop]: trace histogram [7, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:01:12,585 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:01:12,585 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:01:12,585 INFO L82 PathProgramCache]: Analyzing trace with hash -352942948, now seen corresponding path program 6 times [2018-11-18 09:01:12,585 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:01:12,585 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:01:12,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:01:12,586 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 09:01:12,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:01:12,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:01:12,707 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:01:12,708 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:01:12,708 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8047e475-3067-44e6-ad20-be9392b45651/bin-2019/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 09:01:12,715 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2018-11-18 09:01:12,741 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2018-11-18 09:01:12,741 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 09:01:12,743 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:01:12,876 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:01:12,891 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 09:01:12,892 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2018-11-18 09:01:12,892 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-18 09:01:12,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-18 09:01:12,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2018-11-18 09:01:12,893 INFO L87 Difference]: Start difference. First operand 36 states and 42 transitions. Second operand 15 states. [2018-11-18 09:01:12,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:01:12,974 INFO L93 Difference]: Finished difference Result 47 states and 55 transitions. [2018-11-18 09:01:12,975 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 09:01:12,975 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 35 [2018-11-18 09:01:12,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:01:12,975 INFO L225 Difference]: With dead ends: 47 [2018-11-18 09:01:12,975 INFO L226 Difference]: Without dead ends: 42 [2018-11-18 09:01:12,976 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2018-11-18 09:01:12,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-11-18 09:01:12,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 40. [2018-11-18 09:01:12,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-11-18 09:01:12,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 47 transitions. [2018-11-18 09:01:12,981 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 47 transitions. Word has length 35 [2018-11-18 09:01:12,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:01:12,981 INFO L480 AbstractCegarLoop]: Abstraction has 40 states and 47 transitions. [2018-11-18 09:01:12,982 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-18 09:01:12,982 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 47 transitions. [2018-11-18 09:01:12,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-18 09:01:12,982 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:01:12,983 INFO L375 BasicCegarLoop]: trace histogram [8, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:01:12,983 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:01:12,983 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:01:12,983 INFO L82 PathProgramCache]: Analyzing trace with hash -843703226, now seen corresponding path program 7 times [2018-11-18 09:01:12,983 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:01:12,983 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:01:12,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:01:12,984 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 09:01:12,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:01:12,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:01:13,084 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:01:13,084 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:01:13,084 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8047e475-3067-44e6-ad20-be9392b45651/bin-2019/uautomizer/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 09:01:13,094 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:01:13,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:01:13,109 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:01:13,337 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:01:13,362 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 09:01:13,362 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2018-11-18 09:01:13,363 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-18 09:01:13,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-18 09:01:13,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=221, Unknown=0, NotChecked=0, Total=272 [2018-11-18 09:01:13,363 INFO L87 Difference]: Start difference. First operand 40 states and 47 transitions. Second operand 17 states. [2018-11-18 09:01:13,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:01:13,503 INFO L93 Difference]: Finished difference Result 51 states and 60 transitions. [2018-11-18 09:01:13,503 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-18 09:01:13,503 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 39 [2018-11-18 09:01:13,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:01:13,504 INFO L225 Difference]: With dead ends: 51 [2018-11-18 09:01:13,504 INFO L226 Difference]: Without dead ends: 46 [2018-11-18 09:01:13,504 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 31 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=221, Unknown=0, NotChecked=0, Total=272 [2018-11-18 09:01:13,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-11-18 09:01:13,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 44. [2018-11-18 09:01:13,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-11-18 09:01:13,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 52 transitions. [2018-11-18 09:01:13,510 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 52 transitions. Word has length 39 [2018-11-18 09:01:13,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:01:13,511 INFO L480 AbstractCegarLoop]: Abstraction has 44 states and 52 transitions. [2018-11-18 09:01:13,511 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-18 09:01:13,511 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 52 transitions. [2018-11-18 09:01:13,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-18 09:01:13,512 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:01:13,512 INFO L375 BasicCegarLoop]: trace histogram [9, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:01:13,512 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:01:13,512 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:01:13,512 INFO L82 PathProgramCache]: Analyzing trace with hash -1842491664, now seen corresponding path program 8 times [2018-11-18 09:01:13,512 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:01:13,512 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:01:13,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:01:13,513 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:01:13,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:01:13,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:01:13,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:01:13,549 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 09:01:13,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 09:01:13 BoogieIcfgContainer [2018-11-18 09:01:13,575 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 09:01:13,576 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 09:01:13,576 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 09:01:13,576 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 09:01:13,576 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:01:10" (3/4) ... [2018-11-18 09:01:13,580 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 09:01:13,580 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 09:01:13,581 INFO L168 Benchmark]: Toolchain (without parser) took 3028.25 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 230.2 MB). Free memory was 959.2 MB in the beginning and 1.2 GB in the end (delta: -216.9 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2018-11-18 09:01:13,583 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:01:13,583 INFO L168 Benchmark]: CACSL2BoogieTranslator took 156.83 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 945.8 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-18 09:01:13,583 INFO L168 Benchmark]: Boogie Preprocessor took 18.64 ms. Allocated memory is still 1.0 GB. Free memory was 945.8 MB in the beginning and 943.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 09:01:13,584 INFO L168 Benchmark]: RCFGBuilder took 212.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.9 MB). Free memory was 943.1 MB in the beginning and 1.2 GB in the end (delta: -212.7 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. [2018-11-18 09:01:13,585 INFO L168 Benchmark]: TraceAbstraction took 2632.87 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 59.2 MB). Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: -20.3 MB). Peak memory consumption was 38.9 MB. Max. memory is 11.5 GB. [2018-11-18 09:01:13,585 INFO L168 Benchmark]: Witness Printer took 4.74 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:01:13,588 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 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 156.83 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 945.8 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.64 ms. Allocated memory is still 1.0 GB. Free memory was 945.8 MB in the beginning and 943.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 212.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.9 MB). Free memory was 943.1 MB in the beginning and 1.2 GB in the end (delta: -212.7 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2632.87 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 59.2 MB). Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: -20.3 MB). Peak memory consumption was 38.9 MB. Max. memory is 11.5 GB. * Witness Printer took 4.74 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 6]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of shiftLeft at line 22, overapproximation of bitwiseAnd at line 23. Possible FailurePath: [L14] unsigned char x; [L15] unsigned char y; [L16] unsigned char c; [L18] x = 37 [L19] y = 0 [L20] c = 0 VAL [c=0, x=37, y=0] [L21] COND TRUE c < (unsigned char)8 [L22] unsigned char i = ((unsigned char)1) << c; [L23] unsigned char bit = x & i; VAL [c=0, x=37, y=0] [L24] COND TRUE bit != (unsigned char)0 [L25] y = y + i VAL [bit=1, c=0, i=0, x=37, y=0] [L27] c = c + ((unsigned char)1) VAL [bit=1, c=1, i=0, x=37, y=0] [L21] COND TRUE c < (unsigned char)8 [L22] unsigned char i = ((unsigned char)1) << c; [L23] unsigned char bit = x & i; VAL [c=1, x=37, y=0] [L24] COND TRUE bit != (unsigned char)0 [L25] y = y + i VAL [bit=1, c=1, i=0, x=37, y=0] [L27] c = c + ((unsigned char)1) VAL [bit=1, c=2, i=0, x=37, y=0] [L21] COND TRUE c < (unsigned char)8 [L22] unsigned char i = ((unsigned char)1) << c; [L23] unsigned char bit = x & i; VAL [c=2, x=37, y=0] [L24] COND TRUE bit != (unsigned char)0 [L25] y = y + i VAL [bit=1, c=2, i=0, x=37, y=0] [L27] c = c + ((unsigned char)1) VAL [bit=1, c=3, i=0, x=37, y=0] [L21] COND TRUE c < (unsigned char)8 [L22] unsigned char i = ((unsigned char)1) << c; [L23] unsigned char bit = x & i; VAL [c=3, x=37, y=0] [L24] COND TRUE bit != (unsigned char)0 [L25] y = y + i VAL [bit=1, c=3, i=0, x=37, y=0] [L27] c = c + ((unsigned char)1) VAL [bit=1, c=4, i=0, x=37, y=0] [L21] COND TRUE c < (unsigned char)8 [L22] unsigned char i = ((unsigned char)1) << c; [L23] unsigned char bit = x & i; VAL [c=4, x=37, y=0] [L24] COND TRUE bit != (unsigned char)0 [L25] y = y + i VAL [bit=1, c=4, i=0, x=37, y=0] [L27] c = c + ((unsigned char)1) VAL [bit=1, c=5, i=0, x=37, y=0] [L21] COND TRUE c < (unsigned char)8 [L22] unsigned char i = ((unsigned char)1) << c; [L23] unsigned char bit = x & i; VAL [c=5, x=37, y=0] [L24] COND TRUE bit != (unsigned char)0 [L25] y = y + i VAL [bit=1, c=5, i=0, x=37, y=0] [L27] c = c + ((unsigned char)1) VAL [bit=1, c=6, i=0, x=37, y=0] [L21] COND TRUE c < (unsigned char)8 [L22] unsigned char i = ((unsigned char)1) << c; [L23] unsigned char bit = x & i; VAL [c=6, x=37, y=0] [L24] COND TRUE bit != (unsigned char)0 [L25] y = y + i VAL [bit=1, c=6, i=0, x=37, y=0] [L27] c = c + ((unsigned char)1) VAL [bit=1, c=7, i=0, x=37, y=0] [L21] COND TRUE c < (unsigned char)8 [L22] unsigned char i = ((unsigned char)1) << c; [L23] unsigned char bit = x & i; VAL [c=7, x=37, y=0] [L24] COND TRUE bit != (unsigned char)0 [L25] y = y + i VAL [bit=1, c=7, i=0, x=37, y=0] [L27] c = c + ((unsigned char)1) VAL [bit=1, c=8, i=0, x=37, y=0] [L21] COND FALSE !(c < (unsigned char)8) VAL [bit=1, c=8, i=0, x=37, y=0] [L29] CALL __VERIFIER_assert(x == y) VAL [\old(cond)=0] [L5] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L6] __VERIFIER_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 21 locations, 1 error locations. UNSAFE Result, 2.5s OverallTime, 10 OverallIterations, 9 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 210 SDtfs, 134 SDslu, 996 SDs, 0 SdLazy, 575 SolverSat, 29 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 236 GetRequests, 160 SyntacticMatches, 12 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 9 MinimizatonAttempts, 16 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 442 NumberOfCodeBlocks, 442 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 383 ConstructedInterpolants, 98 QuantifiedInterpolants, 117589 SizeOfPredicates, 14 NumberOfNonLiveVariables, 385 ConjunctsInSsa, 96 ConjunctsInUnsatCore, 16 InterpolantComputations, 2 PerfectInterpolantSequences, 0/560 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-5842f4b [2018-11-18 09:01:15,110 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 09:01:15,111 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 09:01:15,119 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 09:01:15,119 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 09:01:15,119 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 09:01:15,120 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 09:01:15,121 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 09:01:15,123 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 09:01:15,123 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 09:01:15,124 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 09:01:15,124 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 09:01:15,125 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 09:01:15,125 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 09:01:15,127 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 09:01:15,127 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 09:01:15,128 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 09:01:15,129 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 09:01:15,131 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 09:01:15,132 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 09:01:15,133 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 09:01:15,133 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 09:01:15,135 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 09:01:15,135 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 09:01:15,136 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 09:01:15,136 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 09:01:15,137 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 09:01:15,137 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 09:01:15,138 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 09:01:15,139 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 09:01:15,139 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 09:01:15,140 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 09:01:15,140 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 09:01:15,140 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 09:01:15,141 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 09:01:15,141 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 09:01:15,141 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8047e475-3067-44e6-ad20-be9392b45651/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-18 09:01:15,152 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 09:01:15,152 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 09:01:15,153 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 09:01:15,153 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 09:01:15,153 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 09:01:15,153 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 09:01:15,154 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 09:01:15,154 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 09:01:15,154 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 09:01:15,154 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 09:01:15,154 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 09:01:15,154 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 09:01:15,155 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 09:01:15,155 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 09:01:15,155 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 09:01:15,155 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 09:01:15,155 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 09:01:15,155 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 09:01:15,155 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 09:01:15,156 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 09:01:15,156 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 09:01:15,156 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 09:01:15,156 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 09:01:15,156 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 09:01:15,156 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 09:01:15,156 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 09:01:15,156 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 09:01:15,156 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 09:01:15,157 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-18 09:01:15,157 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 09:01:15,157 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 09:01:15,157 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 09:01:15,157 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_8047e475-3067-44e6-ad20-be9392b45651/bin-2019/uautomizer 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 -> Automizer 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 -> d2a071cc6090a217f48ed180b566a651717a8e39 [2018-11-18 09:01:15,185 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 09:01:15,193 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 09:01:15,195 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 09:01:15,196 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 09:01:15,196 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 09:01:15,197 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8047e475-3067-44e6-ad20-be9392b45651/bin-2019/uautomizer/../../sv-benchmarks/c/bitvector/num_conversion_1_true-unreach-call_true-no-overflow.i [2018-11-18 09:01:15,232 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8047e475-3067-44e6-ad20-be9392b45651/bin-2019/uautomizer/data/f2f728839/8fc78d4eaf0e4151abc51edf1f11e47b/FLAGe3f1db482 [2018-11-18 09:01:15,570 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 09:01:15,571 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8047e475-3067-44e6-ad20-be9392b45651/sv-benchmarks/c/bitvector/num_conversion_1_true-unreach-call_true-no-overflow.i [2018-11-18 09:01:15,574 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8047e475-3067-44e6-ad20-be9392b45651/bin-2019/uautomizer/data/f2f728839/8fc78d4eaf0e4151abc51edf1f11e47b/FLAGe3f1db482 [2018-11-18 09:01:15,994 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8047e475-3067-44e6-ad20-be9392b45651/bin-2019/uautomizer/data/f2f728839/8fc78d4eaf0e4151abc51edf1f11e47b [2018-11-18 09:01:15,997 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 09:01:15,998 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 09:01:15,998 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 09:01:15,998 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 09:01:16,001 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 09:01:16,001 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:01:15" (1/1) ... [2018-11-18 09:01:16,003 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c88f263 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:01:16, skipping insertion in model container [2018-11-18 09:01:16,003 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:01:15" (1/1) ... [2018-11-18 09:01:16,010 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 09:01:16,025 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 09:01:16,144 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:01:16,148 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 09:01:16,158 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:01:16,167 INFO L195 MainTranslator]: Completed translation [2018-11-18 09:01:16,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:01:16 WrapperNode [2018-11-18 09:01:16,167 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 09:01:16,168 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 09:01:16,168 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 09:01:16,168 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 09:01:16,175 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:01:16" (1/1) ... [2018-11-18 09:01:16,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:01:16" (1/1) ... [2018-11-18 09:01:16,179 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:01:16" (1/1) ... [2018-11-18 09:01:16,180 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:01:16" (1/1) ... [2018-11-18 09:01:16,183 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:01:16" (1/1) ... [2018-11-18 09:01:16,185 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:01:16" (1/1) ... [2018-11-18 09:01:16,186 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:01:16" (1/1) ... [2018-11-18 09:01:16,187 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 09:01:16,188 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 09:01:16,188 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 09:01:16,188 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 09:01:16,189 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:01:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8047e475-3067-44e6-ad20-be9392b45651/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 09:01:16,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 09:01:16,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 09:01:16,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-18 09:01:16,267 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 09:01:16,267 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 09:01:16,267 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-18 09:01:16,267 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-18 09:01:16,267 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 09:01:16,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 09:01:16,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 09:01:16,373 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 09:01:16,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:01:16 BoogieIcfgContainer [2018-11-18 09:01:16,373 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 09:01:16,374 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 09:01:16,374 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 09:01:16,377 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 09:01:16,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 09:01:15" (1/3) ... [2018-11-18 09:01:16,379 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a4581c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:01:16, skipping insertion in model container [2018-11-18 09:01:16,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:01:16" (2/3) ... [2018-11-18 09:01:16,380 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a4581c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:01:16, skipping insertion in model container [2018-11-18 09:01:16,380 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:01:16" (3/3) ... [2018-11-18 09:01:16,382 INFO L112 eAbstractionObserver]: Analyzing ICFG num_conversion_1_true-unreach-call_true-no-overflow.i [2018-11-18 09:01:16,393 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 09:01:16,400 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 09:01:16,411 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 09:01:16,435 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 09:01:16,435 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 09:01:16,435 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 09:01:16,435 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 09:01:16,435 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 09:01:16,436 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 09:01:16,436 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 09:01:16,436 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 09:01:16,436 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 09:01:16,452 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2018-11-18 09:01:16,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-18 09:01:16,458 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:01:16,459 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:01:16,460 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:01:16,464 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:01:16,464 INFO L82 PathProgramCache]: Analyzing trace with hash -2008095039, now seen corresponding path program 1 times [2018-11-18 09:01:16,467 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 09:01:16,467 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8047e475-3067-44e6-ad20-be9392b45651/bin-2019/uautomizer/cvc4nyu Starting monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 09:01:16,489 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:01:16,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:01:16,518 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:01:16,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:01:16,531 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 09:01:16,534 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:01:16,534 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 09:01:16,538 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 09:01:16,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 09:01:16,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 09:01:16,549 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 2 states. [2018-11-18 09:01:16,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:01:16,567 INFO L93 Difference]: Finished difference Result 33 states and 37 transitions. [2018-11-18 09:01:16,567 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 09:01:16,568 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2018-11-18 09:01:16,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:01:16,574 INFO L225 Difference]: With dead ends: 33 [2018-11-18 09:01:16,574 INFO L226 Difference]: Without dead ends: 14 [2018-11-18 09:01:16,577 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 09:01:16,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2018-11-18 09:01:16,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2018-11-18 09:01:16,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2018-11-18 09:01:16,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2018-11-18 09:01:16,612 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 10 [2018-11-18 09:01:16,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:01:16,612 INFO L480 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2018-11-18 09:01:16,612 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 09:01:16,612 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2018-11-18 09:01:16,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 09:01:16,613 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:01:16,613 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:01:16,613 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:01:16,613 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:01:16,613 INFO L82 PathProgramCache]: Analyzing trace with hash 1715940768, now seen corresponding path program 1 times [2018-11-18 09:01:16,614 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 09:01:16,614 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8047e475-3067-44e6-ad20-be9392b45651/bin-2019/uautomizer/cvc4nyu Starting monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 09:01:16,630 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:01:16,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:01:16,644 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:01:16,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:01:16,669 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 09:01:16,670 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:01:16,670 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 09:01:16,672 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 09:01:16,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 09:01:16,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:01:16,673 INFO L87 Difference]: Start difference. First operand 14 states and 15 transitions. Second operand 3 states. [2018-11-18 09:01:16,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:01:16,699 INFO L93 Difference]: Finished difference Result 23 states and 25 transitions. [2018-11-18 09:01:16,699 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 09:01:16,699 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2018-11-18 09:01:16,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:01:16,700 INFO L225 Difference]: With dead ends: 23 [2018-11-18 09:01:16,700 INFO L226 Difference]: Without dead ends: 18 [2018-11-18 09:01:16,701 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:01:16,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2018-11-18 09:01:16,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 16. [2018-11-18 09:01:16,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-11-18 09:01:16,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2018-11-18 09:01:16,705 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 11 [2018-11-18 09:01:16,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:01:16,705 INFO L480 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2018-11-18 09:01:16,705 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 09:01:16,705 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2018-11-18 09:01:16,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-18 09:01:16,706 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:01:16,706 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:01:16,706 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:01:16,707 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:01:16,707 INFO L82 PathProgramCache]: Analyzing trace with hash 1858249546, now seen corresponding path program 1 times [2018-11-18 09:01:16,707 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 09:01:16,707 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8047e475-3067-44e6-ad20-be9392b45651/bin-2019/uautomizer/cvc4nyu Starting monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 09:01:16,723 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:01:16,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:01:16,740 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:01:16,754 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:01:16,754 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 09:01:16,779 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:01:16,783 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 09:01:16,783 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2018-11-18 09:01:16,784 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 09:01:16,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 09:01:16,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-11-18 09:01:16,784 INFO L87 Difference]: Start difference. First operand 16 states and 17 transitions. Second operand 6 states. [2018-11-18 09:01:16,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:01:16,859 INFO L93 Difference]: Finished difference Result 33 states and 39 transitions. [2018-11-18 09:01:16,859 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 09:01:16,859 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2018-11-18 09:01:16,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:01:16,860 INFO L225 Difference]: With dead ends: 33 [2018-11-18 09:01:16,860 INFO L226 Difference]: Without dead ends: 28 [2018-11-18 09:01:16,861 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2018-11-18 09:01:16,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2018-11-18 09:01:16,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2018-11-18 09:01:16,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-11-18 09:01:16,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2018-11-18 09:01:16,864 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 15 [2018-11-18 09:01:16,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:01:16,864 INFO L480 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2018-11-18 09:01:16,864 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 09:01:16,865 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2018-11-18 09:01:16,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 09:01:16,865 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:01:16,865 INFO L375 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:01:16,865 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:01:16,865 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:01:16,865 INFO L82 PathProgramCache]: Analyzing trace with hash -1032477112, now seen corresponding path program 2 times [2018-11-18 09:01:16,866 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 09:01:16,866 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8047e475-3067-44e6-ad20-be9392b45651/bin-2019/uautomizer/cvc4nyu Starting monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 09:01:16,879 INFO L101 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2018-11-18 09:01:16,903 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-18 09:01:16,904 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 09:01:16,906 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:01:16,932 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 19 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 09:01:16,933 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 09:01:16,979 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 19 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 09:01:16,981 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 09:01:16,981 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2018-11-18 09:01:16,981 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 09:01:16,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 09:01:16,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 09:01:16,982 INFO L87 Difference]: Start difference. First operand 28 states and 32 transitions. Second operand 7 states. [2018-11-18 09:01:17,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:01:17,123 INFO L93 Difference]: Finished difference Result 56 states and 64 transitions. [2018-11-18 09:01:17,123 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-18 09:01:17,123 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2018-11-18 09:01:17,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:01:17,125 INFO L225 Difference]: With dead ends: 56 [2018-11-18 09:01:17,125 INFO L226 Difference]: Without dead ends: 40 [2018-11-18 09:01:17,126 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 47 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-11-18 09:01:17,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-11-18 09:01:17,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 29. [2018-11-18 09:01:17,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-11-18 09:01:17,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 32 transitions. [2018-11-18 09:01:17,130 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 32 transitions. Word has length 27 [2018-11-18 09:01:17,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:01:17,130 INFO L480 AbstractCegarLoop]: Abstraction has 29 states and 32 transitions. [2018-11-18 09:01:17,130 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 09:01:17,131 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2018-11-18 09:01:17,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 09:01:17,131 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:01:17,131 INFO L375 BasicCegarLoop]: trace histogram [5, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:01:17,131 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:01:17,132 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:01:17,132 INFO L82 PathProgramCache]: Analyzing trace with hash 1432075204, now seen corresponding path program 1 times [2018-11-18 09:01:17,132 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 09:01:17,132 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8047e475-3067-44e6-ad20-be9392b45651/bin-2019/uautomizer/cvc4nyu Starting monitored process 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 09:01:17,161 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 09:01:17,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:01:17,184 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:01:17,217 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:01:17,217 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 09:01:17,328 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:01:17,329 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 09:01:17,330 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2018-11-18 09:01:17,330 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-18 09:01:17,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-18 09:01:17,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2018-11-18 09:01:17,331 INFO L87 Difference]: Start difference. First operand 29 states and 32 transitions. Second operand 12 states. [2018-11-18 09:01:17,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:01:17,435 INFO L93 Difference]: Finished difference Result 49 states and 58 transitions. [2018-11-18 09:01:17,436 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 09:01:17,436 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 27 [2018-11-18 09:01:17,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:01:17,436 INFO L225 Difference]: With dead ends: 49 [2018-11-18 09:01:17,437 INFO L226 Difference]: Without dead ends: 44 [2018-11-18 09:01:17,437 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2018-11-18 09:01:17,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-11-18 09:01:17,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2018-11-18 09:01:17,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-11-18 09:01:17,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 50 transitions. [2018-11-18 09:01:17,442 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 50 transitions. Word has length 27 [2018-11-18 09:01:17,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:01:17,442 INFO L480 AbstractCegarLoop]: Abstraction has 44 states and 50 transitions. [2018-11-18 09:01:17,443 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-18 09:01:17,443 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 50 transitions. [2018-11-18 09:01:17,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-18 09:01:17,444 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:01:17,444 INFO L375 BasicCegarLoop]: trace histogram [9, 8, 8, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:01:17,444 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:01:17,444 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:01:17,444 INFO L82 PathProgramCache]: Analyzing trace with hash -1701745556, now seen corresponding path program 2 times [2018-11-18 09:01:17,445 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 09:01:17,445 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8047e475-3067-44e6-ad20-be9392b45651/bin-2019/uautomizer/cvc4nyu Starting monitored process 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 09:01:17,460 INFO L101 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2018-11-18 09:01:17,504 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-18 09:01:17,504 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 09:01:17,508 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:01:17,574 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 71 proven. 36 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 09:01:17,574 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 09:01:17,686 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 71 proven. 36 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 09:01:17,688 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 09:01:17,688 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2018-11-18 09:01:17,688 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-18 09:01:17,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-18 09:01:17,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2018-11-18 09:01:17,689 INFO L87 Difference]: Start difference. First operand 44 states and 50 transitions. Second operand 13 states. [2018-11-18 09:01:18,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:01:18,119 INFO L93 Difference]: Finished difference Result 88 states and 103 transitions. [2018-11-18 09:01:18,122 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-18 09:01:18,122 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 43 [2018-11-18 09:01:18,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:01:18,123 INFO L225 Difference]: With dead ends: 88 [2018-11-18 09:01:18,123 INFO L226 Difference]: Without dead ends: 68 [2018-11-18 09:01:18,124 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 73 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=130, Invalid=470, Unknown=0, NotChecked=0, Total=600 [2018-11-18 09:01:18,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2018-11-18 09:01:18,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 53. [2018-11-18 09:01:18,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-11-18 09:01:18,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 59 transitions. [2018-11-18 09:01:18,131 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 59 transitions. Word has length 43 [2018-11-18 09:01:18,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:01:18,131 INFO L480 AbstractCegarLoop]: Abstraction has 53 states and 59 transitions. [2018-11-18 09:01:18,132 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-18 09:01:18,132 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 59 transitions. [2018-11-18 09:01:18,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-18 09:01:18,132 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:01:18,133 INFO L375 BasicCegarLoop]: trace histogram [9, 8, 8, 5, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:01:18,134 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:01:18,134 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:01:18,135 INFO L82 PathProgramCache]: Analyzing trace with hash 1224392102, now seen corresponding path program 3 times [2018-11-18 09:01:18,135 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 09:01:18,135 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8047e475-3067-44e6-ad20-be9392b45651/bin-2019/uautomizer/cvc4nyu Starting monitored process 8 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 09:01:18,161 INFO L101 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2018-11-18 09:01:18,259 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2018-11-18 09:01:18,260 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 09:01:18,263 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:01:18,959 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 1 proven. 124 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 09:01:18,960 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 09:01:20,126 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 125 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 09:01:20,128 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 09:01:20,128 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19] total 37 [2018-11-18 09:01:20,128 INFO L459 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-11-18 09:01:20,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-11-18 09:01:20,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=1199, Unknown=0, NotChecked=0, Total=1332 [2018-11-18 09:01:20,129 INFO L87 Difference]: Start difference. First operand 53 states and 59 transitions. Second operand 37 states. [2018-11-18 09:01:21,018 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 75 [2018-11-18 09:01:21,660 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 66 [2018-11-18 09:01:25,953 WARN L180 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 78 [2018-11-18 09:01:27,270 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 57 [2018-11-18 09:01:27,579 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 60 [2018-11-18 09:01:29,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:01:29,434 INFO L93 Difference]: Finished difference Result 251 states and 303 transitions. [2018-11-18 09:01:29,435 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2018-11-18 09:01:29,435 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 43 [2018-11-18 09:01:29,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:01:29,436 INFO L225 Difference]: With dead ends: 251 [2018-11-18 09:01:29,437 INFO L226 Difference]: Without dead ends: 245 [2018-11-18 09:01:29,439 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 49 SyntacticMatches, 1 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3134 ImplicationChecksByTransitivity, 9.7s TimeCoverageRelationStatistics Valid=1486, Invalid=10070, Unknown=0, NotChecked=0, Total=11556 [2018-11-18 09:01:29,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2018-11-18 09:01:29,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 194. [2018-11-18 09:01:29,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2018-11-18 09:01:29,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 239 transitions. [2018-11-18 09:01:29,466 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 239 transitions. Word has length 43 [2018-11-18 09:01:29,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:01:29,466 INFO L480 AbstractCegarLoop]: Abstraction has 194 states and 239 transitions. [2018-11-18 09:01:29,466 INFO L481 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-11-18 09:01:29,467 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 239 transitions. [2018-11-18 09:01:29,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-18 09:01:29,467 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:01:29,467 INFO L375 BasicCegarLoop]: trace histogram [9, 8, 8, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:01:29,468 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:01:29,468 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:01:29,468 INFO L82 PathProgramCache]: Analyzing trace with hash 203323748, now seen corresponding path program 4 times [2018-11-18 09:01:29,468 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 09:01:29,468 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8047e475-3067-44e6-ad20-be9392b45651/bin-2019/uautomizer/cvc4nyu Starting monitored process 9 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 09:01:29,480 INFO L101 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-11-18 09:01:29,502 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-11-18 09:01:29,503 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 09:01:29,506 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:01:29,539 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 63 proven. 55 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 09:01:29,539 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 09:01:29,648 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 63 proven. 55 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 09:01:29,649 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 09:01:29,649 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2018-11-18 09:01:29,650 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-18 09:01:29,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-18 09:01:29,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2018-11-18 09:01:29,650 INFO L87 Difference]: Start difference. First operand 194 states and 239 transitions. Second operand 16 states. [2018-11-18 09:01:29,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:01:29,778 INFO L93 Difference]: Finished difference Result 227 states and 283 transitions. [2018-11-18 09:01:29,778 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-18 09:01:29,778 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 43 [2018-11-18 09:01:29,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:01:29,779 INFO L225 Difference]: With dead ends: 227 [2018-11-18 09:01:29,779 INFO L226 Difference]: Without dead ends: 80 [2018-11-18 09:01:29,780 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=350, Unknown=0, NotChecked=0, Total=420 [2018-11-18 09:01:29,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2018-11-18 09:01:29,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 76. [2018-11-18 09:01:29,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-11-18 09:01:29,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 87 transitions. [2018-11-18 09:01:29,791 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 87 transitions. Word has length 43 [2018-11-18 09:01:29,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:01:29,792 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 87 transitions. [2018-11-18 09:01:29,792 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-18 09:01:29,792 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 87 transitions. [2018-11-18 09:01:29,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-18 09:01:29,792 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:01:29,792 INFO L375 BasicCegarLoop]: trace histogram [10, 9, 9, 6, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:01:29,793 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:01:29,793 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:01:29,793 INFO L82 PathProgramCache]: Analyzing trace with hash 2101680654, now seen corresponding path program 5 times [2018-11-18 09:01:29,793 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 09:01:29,793 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8047e475-3067-44e6-ad20-be9392b45651/bin-2019/uautomizer/cvc4nyu Starting monitored process 10 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 09:01:29,806 INFO L101 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2018-11-18 09:01:29,900 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2018-11-18 09:01:29,900 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 09:01:29,904 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:01:30,384 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 162 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:01:30,384 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 09:01:30,386 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:01:30,386 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2018-11-18 09:01:30,386 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-18 09:01:30,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-18 09:01:30,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=189, Unknown=0, NotChecked=0, Total=306 [2018-11-18 09:01:30,386 INFO L87 Difference]: Start difference. First operand 76 states and 87 transitions. Second operand 18 states. [2018-11-18 09:01:30,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:01:30,530 INFO L93 Difference]: Finished difference Result 76 states and 87 transitions. [2018-11-18 09:01:30,530 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-18 09:01:30,530 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 47 [2018-11-18 09:01:30,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:01:30,531 INFO L225 Difference]: With dead ends: 76 [2018-11-18 09:01:30,531 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 09:01:30,531 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=117, Invalid=189, Unknown=0, NotChecked=0, Total=306 [2018-11-18 09:01:30,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 09:01:30,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 09:01:30,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 09:01:30,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 09:01:30,532 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 47 [2018-11-18 09:01:30,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:01:30,532 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 09:01:30,532 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-18 09:01:30,532 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 09:01:30,532 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 09:01:30,536 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 09:01:30,597 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:01:31,227 WARN L180 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 136 [2018-11-18 09:01:31,230 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-18 09:01:31,230 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 09:01:31,230 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 09:01:31,230 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-18 09:01:31,230 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 09:01:31,230 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 09:01:31,230 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 12 32) the Hoare annotation is: true [2018-11-18 09:01:31,230 INFO L425 ceAbstractionStarter]: For program point L29(line 29) no Hoare annotation was computed. [2018-11-18 09:01:31,230 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 12 32) no Hoare annotation was computed. [2018-11-18 09:01:31,230 INFO L425 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2018-11-18 09:01:31,230 INFO L425 ceAbstractionStarter]: For program point L24-2(lines 24 26) no Hoare annotation was computed. [2018-11-18 09:01:31,231 INFO L425 ceAbstractionStarter]: For program point L21-1(lines 21 28) no Hoare annotation was computed. [2018-11-18 09:01:31,231 INFO L421 ceAbstractionStarter]: At program point L21-3(lines 21 28) the Hoare annotation is: (let ((.cse9 ((_ zero_extend 24) main_~c~0)) (.cse19 (exists ((v_main_~c~0_38 (_ BitVec 8))) (let ((.cse37 ((_ zero_extend 24) v_main_~c~0_38))) (let ((.cse35 ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse37 (_ bv1 32)))) (_ bv1 32)))))) (let ((.cse36 ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse35 (_ bv1 32)))))) (let ((.cse38 ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse36 (_ bv1 32)))) (_ bv1 32)))))) (and (bvslt .cse35 (_ bv8 32)) (= ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) (bvshl (_ bv1 32) .cse36))) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) (bvshl (_ bv1 32) .cse37))) (_ bv1 32)))))) main_~y~0) (bvslt .cse38 (_ bv8 32)) (= main_~c~0 ((_ extract 7 0) (bvadd .cse38 (_ bv1 32))))))))))) (.cse1 (= (_ bv0 8) main_~bit~0)) (.cse10 (exists ((v_main_~c~0_38 (_ BitVec 8))) (let ((.cse34 ((_ zero_extend 24) v_main_~c~0_38))) (let ((.cse33 ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse34 (_ bv1 32)))) (_ bv1 32)))))) (let ((.cse32 ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse33 (_ bv1 32)))))) (and (= main_~c~0 ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse32 (_ bv1 32)))) (_ bv1 32)))) (bvslt .cse33 (_ bv8 32)) (= ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) (bvshl (_ bv1 32) .cse32))) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) (bvshl (_ bv1 32) .cse34))) (_ bv1 32)))))) main_~y~0))))))) (.cse0 (= (_ bv37 8) main_~x~0)) (.cse29 (not (= ((_ zero_extend 24) main_~bit~0) (_ bv0 32))))) (or (and .cse0 .cse1 (exists ((v_main_~c~0_67 (_ BitVec 8))) (let ((.cse4 ((_ zero_extend 24) v_main_~c~0_67))) (let ((.cse6 ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse4 (_ bv1 32)))))) (let ((.cse8 ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse6 (_ bv1 32)))))) (let ((.cse5 ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse8 (_ bv1 32)))))) (let ((.cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse5 (_ bv1 32)))))) (let ((.cse7 ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse2 (_ bv1 32)))))) (let ((.cse3 ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse7 (_ bv1 32)))))) (and (bvslt .cse2 (_ bv8 32)) (= ((_ extract 7 0) (bvadd .cse3 (_ bv1 32))) main_~c~0) (bvslt .cse4 (_ bv8 32)) (bvslt .cse5 (_ bv8 32)) (bvslt .cse6 (_ bv8 32)) (bvslt .cse7 (_ bv8 32)) (bvslt .cse8 (_ bv8 32)) (bvslt .cse3 (_ bv8 32))))))))))) (bvslt .cse9 (_ bv8 32)) .cse10) (and .cse0 .cse1 (exists ((v_main_~c~0_67 (_ BitVec 8))) (let ((.cse13 ((_ zero_extend 24) v_main_~c~0_67))) (let ((.cse15 ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse13 (_ bv1 32)))))) (let ((.cse17 ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse15 (_ bv1 32)))))) (let ((.cse14 ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse17 (_ bv1 32)))))) (let ((.cse11 ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse14 (_ bv1 32)))))) (let ((.cse16 ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse11 (_ bv1 32)))))) (let ((.cse18 ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse16 (_ bv1 32)))))) (let ((.cse12 ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse18 (_ bv1 32)))))) (and (bvslt .cse11 (_ bv8 32)) (= ((_ extract 7 0) (bvadd .cse12 (_ bv1 32))) main_~c~0) (bvslt .cse13 (_ bv8 32)) (bvslt .cse12 (_ bv8 32)) (bvslt .cse14 (_ bv8 32)) (bvslt .cse15 (_ bv8 32)) (bvslt .cse16 (_ bv8 32)) (bvslt .cse17 (_ bv8 32)) (bvslt .cse18 (_ bv8 32)))))))))))) .cse19) (and .cse0 .cse1 (= (_ bv1 8) main_~y~0) (= (_ bv2 8) main_~c~0)) (and .cse0 (exists ((v_main_~c~0_38 (_ BitVec 8))) (let ((.cse22 ((_ zero_extend 24) v_main_~c~0_38))) (let ((.cse21 ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse22 (_ bv1 32)))) (_ bv1 32)))))) (let ((.cse20 ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse21 (_ bv1 32)))))) (and (= main_~c~0 ((_ extract 7 0) (bvadd .cse20 (_ bv1 32)))) (bvslt .cse21 (_ bv8 32)) (= ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) (bvshl (_ bv1 32) .cse20))) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) (bvshl (_ bv1 32) .cse22))) (_ bv1 32)))))) main_~y~0)))))) (= (_ bv32 8) main_~bit~0) (exists ((v_main_~c~0_67 (_ BitVec 8))) (let ((.cse24 ((_ zero_extend 24) v_main_~c~0_67))) (let ((.cse27 ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse24 (_ bv1 32)))))) (let ((.cse28 ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse27 (_ bv1 32)))))) (let ((.cse26 ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse28 (_ bv1 32)))))) (let ((.cse23 ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse26 (_ bv1 32)))))) (let ((.cse25 ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse23 (_ bv1 32)))))) (and (bvslt .cse23 (_ bv8 32)) (bvslt .cse24 (_ bv8 32)) (= ((_ extract 7 0) (bvadd .cse25 (_ bv1 32))) main_~c~0) (bvslt .cse26 (_ bv8 32)) (bvslt .cse27 (_ bv8 32)) (bvslt .cse25 (_ bv8 32)) (bvslt .cse28 (_ bv8 32)))))))))) (bvslt ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse9 (_ bv1 32)))) (_ bv8 32))) (and .cse0 .cse1 .cse19 (= (_ bv5 8) main_~c~0)) (and .cse0 .cse29 (exists ((v_main_~c~0_38 (_ BitVec 8))) (let ((.cse30 ((_ zero_extend 24) v_main_~c~0_38))) (and (= ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) (bvshl (_ bv1 32) .cse30))) (_ bv1 32))) main_~y~0) (= ((_ extract 7 0) (bvadd .cse30 (_ bv1 32))) main_~c~0)))) (= (_ bv3 8) main_~c~0)) (and (= (_ bv0 8) main_~c~0) .cse0 (= (_ bv0 8) main_~y~0)) (and .cse0 .cse1 .cse10 (= (_ bv4 8) main_~c~0)) (and .cse0 (= (_ bv1 8) main_~c~0) .cse29 (exists ((v_main_~c~0_38 (_ BitVec 8))) (let ((.cse31 ((_ zero_extend 24) v_main_~c~0_38))) (and (= ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) (bvshl (_ bv1 32) .cse31))) (_ bv1 32))) main_~y~0) (= main_~c~0 ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse31 (_ bv1 32)))) (_ bv1 32)))))))))) [2018-11-18 09:01:31,231 INFO L421 ceAbstractionStarter]: At program point L21-4(lines 21 28) the Hoare annotation is: (let ((.cse1 ((_ zero_extend 24) main_~c~0))) (let ((.cse4 ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse1 (_ bv1 32)))) (_ bv1 32)))))) (let ((.cse5 ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse4 (_ bv1 32)))) (_ bv1 32)))) (_ bv1 32)))))) (let ((.cse0 ((_ zero_extend 24) main_~x~0)) (.cse2 ((_ zero_extend 24) main_~y~0)) (.cse3 (bvslt .cse5 (_ bv8 32)))) (and (= (_ bv0 8) ((_ extract 7 0) (bvand .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvshl (_ bv1 32) .cse1)))))) (= .cse0 .cse2) (or .cse3 (= .cse0 ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ((_ extract 7 0) (bvshl (_ bv1 32) .cse4))) .cse2))))) (or (not .cse3) (bvslt ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse5 (_ bv1 32)))) (_ bv8 32)))))))) [2018-11-18 09:01:31,231 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 12 32) no Hoare annotation was computed. [2018-11-18 09:01:31,231 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2018-11-18 09:01:31,232 INFO L428 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 4 9) the Hoare annotation is: true [2018-11-18 09:01:31,232 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 4 9) no Hoare annotation was computed. [2018-11-18 09:01:31,232 INFO L425 ceAbstractionStarter]: For program point L6(line 6) no Hoare annotation was computed. [2018-11-18 09:01:31,232 INFO L425 ceAbstractionStarter]: For program point L5(lines 5 7) no Hoare annotation was computed. [2018-11-18 09:01:31,232 INFO L425 ceAbstractionStarter]: For program point L5-2(lines 4 9) no Hoare annotation was computed. [2018-11-18 09:01:31,239 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,240 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,241 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,241 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,241 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,241 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,242 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,242 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,242 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,242 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,243 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,243 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,243 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,244 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,244 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,244 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,245 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,245 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,245 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,245 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,246 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,246 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,246 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,246 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,246 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,246 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,247 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,247 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,247 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,247 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,247 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,247 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,248 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,248 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,248 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,248 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,248 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,248 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,248 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,248 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,249 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,249 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,249 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,249 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,249 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,249 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,249 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,250 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,250 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,250 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,258 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,258 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,258 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,258 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,259 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,259 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,259 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,259 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,260 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,260 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,260 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,260 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,261 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,261 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,261 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,261 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,262 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,262 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,262 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,262 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,262 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,263 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,263 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,263 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,263 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,264 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,264 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,264 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,264 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,265 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,265 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,265 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,265 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,266 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,266 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,266 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,266 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,266 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,267 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,267 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,267 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,267 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,268 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,268 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,268 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,268 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,268 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,269 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,269 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,269 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 09:01:31 BoogieIcfgContainer [2018-11-18 09:01:31,272 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 09:01:31,272 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 09:01:31,272 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 09:01:31,272 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 09:01:31,273 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:01:16" (3/4) ... [2018-11-18 09:01:31,276 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 09:01:31,280 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 09:01:31,281 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 09:01:31,281 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-11-18 09:01:31,283 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-18 09:01:31,284 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 09:01:31,284 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 09:01:31,303 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((37bv8 == x && 0bv8 == bit) && (\exists v_main_~c~0_67 : bv8 :: ((((((~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32) && ~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0] == c) && ~bvslt32(~zero_extendFrom8To32(v_main_~c~0_67), 8bv32)) && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32)) && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 8bv32)) && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32)) && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32)) && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32))) && ~bvslt32(~zero_extendFrom8To32(c), 8bv32)) && (\exists v_main_~c~0_38 : bv8 :: (c == ~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_38), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0] && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_38), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32)) && ~bvadd64(~zero_extendFrom8To32(~bvshl32(1bv32, ~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_38), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]))[7:0]), ~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvshl32(1bv32, ~zero_extendFrom8To32(v_main_~c~0_38))[7:0]), 1bv32)[7:0]))[7:0] == y)) || (((37bv8 == x && 0bv8 == bit) && (\exists v_main_~c~0_67 : bv8 :: (((((((~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32) && ~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0] == c) && ~bvslt32(~zero_extendFrom8To32(v_main_~c~0_67), 8bv32)) && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32)) && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32)) && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 8bv32)) && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32)) && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32)) && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32))) && (\exists v_main_~c~0_38 : bv8 :: ((~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_38), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32) && ~bvadd64(~zero_extendFrom8To32(~bvshl32(1bv32, ~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_38), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]))[7:0]), ~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvshl32(1bv32, ~zero_extendFrom8To32(v_main_~c~0_38))[7:0]), 1bv32)[7:0]))[7:0] == y) && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_38), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32)) && c == ~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_38), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]))) || (((37bv8 == x && 0bv8 == bit) && 1bv8 == y) && 2bv8 == c)) || ((((37bv8 == x && (\exists v_main_~c~0_38 : bv8 :: (c == ~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_38), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0] && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_38), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32)) && ~bvadd64(~zero_extendFrom8To32(~bvshl32(1bv32, ~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_38), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]))[7:0]), ~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvshl32(1bv32, ~zero_extendFrom8To32(v_main_~c~0_38))[7:0]), 1bv32)[7:0]))[7:0] == y)) && 32bv8 == bit) && (\exists v_main_~c~0_67 : bv8 :: (((((~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32) && ~bvslt32(~zero_extendFrom8To32(v_main_~c~0_67), 8bv32)) && ~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0] == c) && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32)) && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 8bv32)) && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32)) && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32))) && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(c), 1bv32)[7:0]), 8bv32))) || (((37bv8 == x && 0bv8 == bit) && (\exists v_main_~c~0_38 : bv8 :: ((~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_38), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32) && ~bvadd64(~zero_extendFrom8To32(~bvshl32(1bv32, ~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_38), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]))[7:0]), ~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvshl32(1bv32, ~zero_extendFrom8To32(v_main_~c~0_38))[7:0]), 1bv32)[7:0]))[7:0] == y) && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_38), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32)) && c == ~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_38), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0])) && 5bv8 == c)) || (((37bv8 == x && !(~zero_extendFrom8To32(bit) == 0bv32)) && (\exists v_main_~c~0_38 : bv8 :: ~bvadd64(~zero_extendFrom8To32(~bvshl32(1bv32, ~zero_extendFrom8To32(v_main_~c~0_38))[7:0]), 1bv32)[7:0] == y && ~bvadd64(~zero_extendFrom8To32(v_main_~c~0_38), 1bv32)[7:0] == c)) && 3bv8 == c)) || ((0bv8 == c && 37bv8 == x) && 0bv8 == y)) || (((37bv8 == x && 0bv8 == bit) && (\exists v_main_~c~0_38 : bv8 :: (c == ~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_38), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0] && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_38), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32)) && ~bvadd64(~zero_extendFrom8To32(~bvshl32(1bv32, ~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_38), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]))[7:0]), ~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvshl32(1bv32, ~zero_extendFrom8To32(v_main_~c~0_38))[7:0]), 1bv32)[7:0]))[7:0] == y)) && 4bv8 == c)) || (((37bv8 == x && 1bv8 == c) && !(~zero_extendFrom8To32(bit) == 0bv32)) && (\exists v_main_~c~0_38 : bv8 :: ~bvadd64(~zero_extendFrom8To32(~bvshl32(1bv32, ~zero_extendFrom8To32(v_main_~c~0_38))[7:0]), 1bv32)[7:0] == y && c == ~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_38), 1bv32)[7:0]), 1bv32)[7:0])) [2018-11-18 09:01:31,314 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8047e475-3067-44e6-ad20-be9392b45651/bin-2019/uautomizer/witness.graphml [2018-11-18 09:01:31,314 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 09:01:31,315 INFO L168 Benchmark]: Toolchain (without parser) took 15317.35 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 320.3 MB). Free memory was 949.7 MB in the beginning and 1.1 GB in the end (delta: -109.2 MB). Peak memory consumption was 211.1 MB. Max. memory is 11.5 GB. [2018-11-18 09:01:31,315 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:01:31,315 INFO L168 Benchmark]: CACSL2BoogieTranslator took 169.29 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 939.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 09:01:31,316 INFO L168 Benchmark]: Boogie Preprocessor took 19.53 ms. Allocated memory is still 1.0 GB. Free memory was 939.0 MB in the beginning and 933.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 09:01:31,316 INFO L168 Benchmark]: RCFGBuilder took 185.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -187.2 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. [2018-11-18 09:01:31,317 INFO L168 Benchmark]: TraceAbstraction took 14897.51 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 179.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 61.9 MB). Peak memory consumption was 241.7 MB. Max. memory is 11.5 GB. [2018-11-18 09:01:31,317 INFO L168 Benchmark]: Witness Printer took 41.82 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:01:31,319 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 169.29 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 939.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.53 ms. Allocated memory is still 1.0 GB. Free memory was 939.0 MB in the beginning and 933.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 185.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -187.2 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 14897.51 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 179.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 61.9 MB). Peak memory consumption was 241.7 MB. Max. memory is 11.5 GB. * Witness Printer took 41.82 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 6]: 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: 21]: Loop Invariant [2018-11-18 09:01:31,330 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,331 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,331 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,331 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,332 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,332 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,332 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,332 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,332 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,333 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,333 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,333 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,333 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,334 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,334 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,334 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,334 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,335 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,335 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,335 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,335 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,335 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,336 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,336 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,336 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,336 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,337 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,337 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,337 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,337 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,337 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,338 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,338 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,338 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,338 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,338 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,339 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,339 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,339 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,339 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,339 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,340 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,340 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,340 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,340 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,340 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,341 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,341 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,341 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,341 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,347 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,348 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,348 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,348 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,348 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,349 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,349 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,349 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,349 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,350 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,350 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,350 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,350 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,350 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,351 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,351 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,351 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,351 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,352 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,352 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,352 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,352 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,352 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,353 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,353 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,353 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,353 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,354 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,354 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,354 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,354 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,354 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,355 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,355 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,355 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,355 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,356 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_67,QUANTIFIED] [2018-11-18 09:01:31,356 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,356 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,356 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,356 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,356 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,357 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,357 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,357 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,357 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,357 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,358 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,358 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] [2018-11-18 09:01:31,358 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~c~0_38,QUANTIFIED] Derived loop invariant: (((((((((((37bv8 == x && 0bv8 == bit) && (\exists v_main_~c~0_67 : bv8 :: ((((((~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32) && ~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0] == c) && ~bvslt32(~zero_extendFrom8To32(v_main_~c~0_67), 8bv32)) && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32)) && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 8bv32)) && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32)) && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32)) && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32))) && ~bvslt32(~zero_extendFrom8To32(c), 8bv32)) && (\exists v_main_~c~0_38 : bv8 :: (c == ~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_38), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0] && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_38), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32)) && ~bvadd64(~zero_extendFrom8To32(~bvshl32(1bv32, ~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_38), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]))[7:0]), ~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvshl32(1bv32, ~zero_extendFrom8To32(v_main_~c~0_38))[7:0]), 1bv32)[7:0]))[7:0] == y)) || (((37bv8 == x && 0bv8 == bit) && (\exists v_main_~c~0_67 : bv8 :: (((((((~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32) && ~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0] == c) && ~bvslt32(~zero_extendFrom8To32(v_main_~c~0_67), 8bv32)) && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32)) && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32)) && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 8bv32)) && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32)) && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32)) && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32))) && (\exists v_main_~c~0_38 : bv8 :: ((~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_38), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32) && ~bvadd64(~zero_extendFrom8To32(~bvshl32(1bv32, ~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_38), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]))[7:0]), ~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvshl32(1bv32, ~zero_extendFrom8To32(v_main_~c~0_38))[7:0]), 1bv32)[7:0]))[7:0] == y) && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_38), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32)) && c == ~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_38), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]))) || (((37bv8 == x && 0bv8 == bit) && 1bv8 == y) && 2bv8 == c)) || ((((37bv8 == x && (\exists v_main_~c~0_38 : bv8 :: (c == ~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_38), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0] && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_38), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32)) && ~bvadd64(~zero_extendFrom8To32(~bvshl32(1bv32, ~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_38), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]))[7:0]), ~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvshl32(1bv32, ~zero_extendFrom8To32(v_main_~c~0_38))[7:0]), 1bv32)[7:0]))[7:0] == y)) && 32bv8 == bit) && (\exists v_main_~c~0_67 : bv8 :: (((((~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32) && ~bvslt32(~zero_extendFrom8To32(v_main_~c~0_67), 8bv32)) && ~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0] == c) && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32)) && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 8bv32)) && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32)) && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_67), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32))) && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(c), 1bv32)[7:0]), 8bv32))) || (((37bv8 == x && 0bv8 == bit) && (\exists v_main_~c~0_38 : bv8 :: ((~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_38), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32) && ~bvadd64(~zero_extendFrom8To32(~bvshl32(1bv32, ~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_38), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]))[7:0]), ~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvshl32(1bv32, ~zero_extendFrom8To32(v_main_~c~0_38))[7:0]), 1bv32)[7:0]))[7:0] == y) && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_38), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32)) && c == ~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_38), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0])) && 5bv8 == c)) || (((37bv8 == x && !(~zero_extendFrom8To32(bit) == 0bv32)) && (\exists v_main_~c~0_38 : bv8 :: ~bvadd64(~zero_extendFrom8To32(~bvshl32(1bv32, ~zero_extendFrom8To32(v_main_~c~0_38))[7:0]), 1bv32)[7:0] == y && ~bvadd64(~zero_extendFrom8To32(v_main_~c~0_38), 1bv32)[7:0] == c)) && 3bv8 == c)) || ((0bv8 == c && 37bv8 == x) && 0bv8 == y)) || (((37bv8 == x && 0bv8 == bit) && (\exists v_main_~c~0_38 : bv8 :: (c == ~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_38), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0] && ~bvslt32(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_38), 1bv32)[7:0]), 1bv32)[7:0]), 8bv32)) && ~bvadd64(~zero_extendFrom8To32(~bvshl32(1bv32, ~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_38), 1bv32)[7:0]), 1bv32)[7:0]), 1bv32)[7:0]))[7:0]), ~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(~bvshl32(1bv32, ~zero_extendFrom8To32(v_main_~c~0_38))[7:0]), 1bv32)[7:0]))[7:0] == y)) && 4bv8 == c)) || (((37bv8 == x && 1bv8 == c) && !(~zero_extendFrom8To32(bit) == 0bv32)) && (\exists v_main_~c~0_38 : bv8 :: ~bvadd64(~zero_extendFrom8To32(~bvshl32(1bv32, ~zero_extendFrom8To32(v_main_~c~0_38))[7:0]), 1bv32)[7:0] == y && c == ~bvadd64(~zero_extendFrom8To32(~bvadd64(~zero_extendFrom8To32(v_main_~c~0_38), 1bv32)[7:0]), 1bv32)[7:0])) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 21 locations, 1 error locations. SAFE Result, 14.8s OverallTime, 9 OverallIterations, 10 TraceHistogramMax, 10.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 186 SDtfs, 377 SDslu, 1179 SDs, 0 SdLazy, 1313 SolverSat, 214 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 550 GetRequests, 356 SyntacticMatches, 3 SemanticMatches, 191 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3278 ImplicationChecksByTransitivity, 11.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=194occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 9 MinimizatonAttempts, 83 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 16 PreInvPairs, 27 NumberOfFragments, 1105 HoareAnnotationTreeSize, 16 FomulaSimplifications, 500 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1041 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 266 NumberOfCodeBlocks, 255 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 449 ConstructedInterpolants, 63 QuantifiedInterpolants, 319655 SizeOfPredicates, 24 NumberOfNonLiveVariables, 442 ConjunctsInSsa, 75 ConjunctsInUnsatCore, 15 InterpolantComputations, 3 PerfectInterpolantSequences, 557/1062 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...