./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label01_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ed520edb-0ab4-49a2-8ed7-d09b8be5587f/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ed520edb-0ab4-49a2-8ed7-d09b8be5587f/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ed520edb-0ab4-49a2-8ed7-d09b8be5587f/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ed520edb-0ab4-49a2-8ed7-d09b8be5587f/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label01_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ed520edb-0ab4-49a2-8ed7-d09b8be5587f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ed520edb-0ab4-49a2-8ed7-d09b8be5587f/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4facd755ec6bf0af5c404932d2a8a73ce9edcfbd ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-03 01:49:29,171 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 01:49:29,172 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 01:49:29,178 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 01:49:29,178 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 01:49:29,179 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 01:49:29,179 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 01:49:29,180 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 01:49:29,181 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 01:49:29,181 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 01:49:29,182 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 01:49:29,182 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 01:49:29,182 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 01:49:29,183 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 01:49:29,184 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 01:49:29,184 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 01:49:29,184 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 01:49:29,185 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 01:49:29,186 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 01:49:29,187 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 01:49:29,187 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 01:49:29,188 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 01:49:29,189 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 01:49:29,189 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 01:49:29,189 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 01:49:29,190 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 01:49:29,190 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 01:49:29,191 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 01:49:29,191 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 01:49:29,192 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 01:49:29,192 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 01:49:29,192 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 01:49:29,192 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 01:49:29,192 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 01:49:29,193 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 01:49:29,193 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 01:49:29,193 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ed520edb-0ab4-49a2-8ed7-d09b8be5587f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-03 01:49:29,201 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 01:49:29,201 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 01:49:29,201 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 01:49:29,201 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 01:49:29,201 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 01:49:29,202 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 01:49:29,202 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 01:49:29,202 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 01:49:29,202 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 01:49:29,202 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-03 01:49:29,202 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 01:49:29,202 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-03 01:49:29,202 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 01:49:29,203 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 01:49:29,203 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 01:49:29,203 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 01:49:29,203 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 01:49:29,203 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 01:49:29,203 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 01:49:29,203 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 01:49:29,203 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 01:49:29,203 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 01:49:29,203 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 01:49:29,204 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 01:49:29,204 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 01:49:29,204 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 01:49:29,204 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 01:49:29,204 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 01:49:29,204 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 01:49:29,204 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 01:49:29,204 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 01:49:29,204 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 01:49:29,204 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 01:49:29,205 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 01:49:29,205 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 01:49:29,205 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 01:49:29,205 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_ed520edb-0ab4-49a2-8ed7-d09b8be5587f/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4facd755ec6bf0af5c404932d2a8a73ce9edcfbd [2018-12-03 01:49:29,221 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 01:49:29,228 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 01:49:29,230 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 01:49:29,231 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 01:49:29,231 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 01:49:29,231 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ed520edb-0ab4-49a2-8ed7-d09b8be5587f/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label01_true-unreach-call_false-termination.c [2018-12-03 01:49:29,264 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ed520edb-0ab4-49a2-8ed7-d09b8be5587f/bin-2019/utaipan/data/367ce9bbd/f40694338c0f4bb7b3e2e8e05fd6828c/FLAG07f977f0c [2018-12-03 01:49:29,748 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 01:49:29,749 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ed520edb-0ab4-49a2-8ed7-d09b8be5587f/sv-benchmarks/c/eca-rers2012/Problem02_label01_true-unreach-call_false-termination.c [2018-12-03 01:49:29,755 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ed520edb-0ab4-49a2-8ed7-d09b8be5587f/bin-2019/utaipan/data/367ce9bbd/f40694338c0f4bb7b3e2e8e05fd6828c/FLAG07f977f0c [2018-12-03 01:49:29,764 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ed520edb-0ab4-49a2-8ed7-d09b8be5587f/bin-2019/utaipan/data/367ce9bbd/f40694338c0f4bb7b3e2e8e05fd6828c [2018-12-03 01:49:29,765 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 01:49:29,766 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 01:49:29,767 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 01:49:29,767 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 01:49:29,769 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 01:49:29,769 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:49:29" (1/1) ... [2018-12-03 01:49:29,771 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54724d61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:29, skipping insertion in model container [2018-12-03 01:49:29,771 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:49:29" (1/1) ... [2018-12-03 01:49:29,775 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 01:49:29,797 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 01:49:29,965 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 01:49:29,968 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 01:49:30,051 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 01:49:30,060 INFO L195 MainTranslator]: Completed translation [2018-12-03 01:49:30,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:30 WrapperNode [2018-12-03 01:49:30,060 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 01:49:30,061 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 01:49:30,061 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 01:49:30,061 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 01:49:30,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:30" (1/1) ... [2018-12-03 01:49:30,074 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:30" (1/1) ... [2018-12-03 01:49:30,079 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 01:49:30,079 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 01:49:30,079 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 01:49:30,079 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 01:49:30,085 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:30" (1/1) ... [2018-12-03 01:49:30,086 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:30" (1/1) ... [2018-12-03 01:49:30,088 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:30" (1/1) ... [2018-12-03 01:49:30,088 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:30" (1/1) ... [2018-12-03 01:49:30,102 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:30" (1/1) ... [2018-12-03 01:49:30,109 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:30" (1/1) ... [2018-12-03 01:49:30,112 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:30" (1/1) ... [2018-12-03 01:49:30,115 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 01:49:30,115 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 01:49:30,115 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 01:49:30,115 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 01:49:30,116 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ed520edb-0ab4-49a2-8ed7-d09b8be5587f/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 01:49:30,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-03 01:49:30,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-03 01:49:30,149 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-03 01:49:30,149 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-03 01:49:30,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 01:49:30,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 01:49:30,149 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-03 01:49:30,149 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-03 01:49:30,641 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 01:49:30,642 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-03 01:49:30,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:49:30 BoogieIcfgContainer [2018-12-03 01:49:30,642 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 01:49:30,642 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 01:49:30,642 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 01:49:30,644 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 01:49:30,645 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 01:49:29" (1/3) ... [2018-12-03 01:49:30,645 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@520b3e7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 01:49:30, skipping insertion in model container [2018-12-03 01:49:30,645 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:49:30" (2/3) ... [2018-12-03 01:49:30,646 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@520b3e7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 01:49:30, skipping insertion in model container [2018-12-03 01:49:30,646 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:49:30" (3/3) ... [2018-12-03 01:49:30,647 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label01_true-unreach-call_false-termination.c [2018-12-03 01:49:30,653 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 01:49:30,658 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-03 01:49:30,668 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-03 01:49:30,688 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 01:49:30,688 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-03 01:49:30,688 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 01:49:30,688 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 01:49:30,688 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 01:49:30,689 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 01:49:30,689 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 01:49:30,689 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 01:49:30,702 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2018-12-03 01:49:30,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-12-03 01:49:30,708 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:49:30,709 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 01:49:30,710 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:49:30,713 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:49:30,714 INFO L82 PathProgramCache]: Analyzing trace with hash 1511676745, now seen corresponding path program 1 times [2018-12-03 01:49:30,715 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 01:49:30,745 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:49:30,745 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:49:30,745 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:49:30,745 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 01:49:30,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:49:30,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:49:30,949 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 01:49:30,950 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 01:49:30,950 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 01:49:30,953 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 01:49:30,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 01:49:30,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 01:49:30,963 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2018-12-03 01:49:31,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:49:31,412 INFO L93 Difference]: Finished difference Result 623 states and 1065 transitions. [2018-12-03 01:49:31,412 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 01:49:31,413 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 119 [2018-12-03 01:49:31,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:49:31,422 INFO L225 Difference]: With dead ends: 623 [2018-12-03 01:49:31,422 INFO L226 Difference]: Without dead ends: 325 [2018-12-03 01:49:31,425 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 01:49:31,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2018-12-03 01:49:31,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 321. [2018-12-03 01:49:31,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 321 states. [2018-12-03 01:49:31,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 473 transitions. [2018-12-03 01:49:31,463 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 473 transitions. Word has length 119 [2018-12-03 01:49:31,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:49:31,464 INFO L480 AbstractCegarLoop]: Abstraction has 321 states and 473 transitions. [2018-12-03 01:49:31,464 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 01:49:31,464 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 473 transitions. [2018-12-03 01:49:31,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-03 01:49:31,467 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:49:31,467 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 01:49:31,467 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:49:31,467 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:49:31,467 INFO L82 PathProgramCache]: Analyzing trace with hash -1590718300, now seen corresponding path program 1 times [2018-12-03 01:49:31,467 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 01:49:31,468 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:49:31,468 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:49:31,468 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:49:31,468 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 01:49:31,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:49:31,558 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:49:31,559 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 01:49:31,559 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 01:49:31,559 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 01:49:31,560 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 01:49:31,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 01:49:31,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-03 01:49:31,561 INFO L87 Difference]: Start difference. First operand 321 states and 473 transitions. Second operand 6 states. [2018-12-03 01:49:31,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:49:31,926 INFO L93 Difference]: Finished difference Result 955 states and 1447 transitions. [2018-12-03 01:49:31,926 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-03 01:49:31,926 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 139 [2018-12-03 01:49:31,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:49:31,931 INFO L225 Difference]: With dead ends: 955 [2018-12-03 01:49:31,931 INFO L226 Difference]: Without dead ends: 640 [2018-12-03 01:49:31,932 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-03 01:49:31,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 640 states. [2018-12-03 01:49:31,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 640 to 623. [2018-12-03 01:49:31,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 623 states. [2018-12-03 01:49:31,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 623 states and 902 transitions. [2018-12-03 01:49:31,956 INFO L78 Accepts]: Start accepts. Automaton has 623 states and 902 transitions. Word has length 139 [2018-12-03 01:49:31,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:49:31,956 INFO L480 AbstractCegarLoop]: Abstraction has 623 states and 902 transitions. [2018-12-03 01:49:31,957 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 01:49:31,957 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 902 transitions. [2018-12-03 01:49:31,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-03 01:49:31,960 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:49:31,960 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 01:49:31,960 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:49:31,961 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:49:31,961 INFO L82 PathProgramCache]: Analyzing trace with hash 255104169, now seen corresponding path program 1 times [2018-12-03 01:49:31,961 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 01:49:31,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:49:31,962 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:49:31,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:49:31,962 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 01:49:31,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:49:32,044 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 26 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:49:32,045 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 01:49:32,045 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 01:49:32,045 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 148 with the following transitions: [2018-12-03 01:49:32,047 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [45], [50], [52], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [631], [633], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-03 01:49:32,077 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 01:49:32,078 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 01:49:32,311 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 01:49:32,312 INFO L272 AbstractInterpreter]: Visited 120 different actions 120 times. Never merged. Never widened. Performed 1331 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1331 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 38 variables. [2018-12-03 01:49:32,323 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:49:32,323 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 01:49:32,506 INFO L227 lantSequenceWeakener]: Weakened 136 states. On average, predicates are now at 80.98% of their original sizes. [2018-12-03 01:49:32,506 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-03 01:49:32,540 INFO L418 sIntCurrentIteration]: We unified 146 AI predicates to 146 [2018-12-03 01:49:32,540 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-03 01:49:32,540 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 01:49:32,540 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-12-03 01:49:32,541 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 01:49:32,541 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 01:49:32,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 01:49:32,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-03 01:49:32,541 INFO L87 Difference]: Start difference. First operand 623 states and 902 transitions. Second operand 6 states. [2018-12-03 01:49:34,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:49:34,381 INFO L93 Difference]: Finished difference Result 1388 states and 2011 transitions. [2018-12-03 01:49:34,381 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-03 01:49:34,381 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 147 [2018-12-03 01:49:34,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:49:34,384 INFO L225 Difference]: With dead ends: 1388 [2018-12-03 01:49:34,384 INFO L226 Difference]: Without dead ends: 771 [2018-12-03 01:49:34,385 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 147 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-03 01:49:34,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 771 states. [2018-12-03 01:49:34,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 771 to 769. [2018-12-03 01:49:34,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 769 states. [2018-12-03 01:49:34,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 769 states and 1059 transitions. [2018-12-03 01:49:34,404 INFO L78 Accepts]: Start accepts. Automaton has 769 states and 1059 transitions. Word has length 147 [2018-12-03 01:49:34,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:49:34,405 INFO L480 AbstractCegarLoop]: Abstraction has 769 states and 1059 transitions. [2018-12-03 01:49:34,405 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 01:49:34,405 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 1059 transitions. [2018-12-03 01:49:34,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-03 01:49:34,408 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:49:34,408 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 01:49:34,408 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:49:34,408 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:49:34,408 INFO L82 PathProgramCache]: Analyzing trace with hash -1833832037, now seen corresponding path program 1 times [2018-12-03 01:49:34,409 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 01:49:34,409 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:49:34,409 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:49:34,409 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:49:34,410 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 01:49:34,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:49:34,472 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 36 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:49:34,472 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 01:49:34,472 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 01:49:34,472 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 153 with the following transitions: [2018-12-03 01:49:34,472 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [45], [50], [52], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [631], [633], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-03 01:49:34,475 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 01:49:34,475 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 01:49:34,621 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 01:49:34,621 INFO L272 AbstractInterpreter]: Visited 123 different actions 240 times. Merged at 4 different actions 4 times. Never widened. Performed 2705 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2705 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-12-03 01:49:34,631 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:49:34,631 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 01:49:34,764 INFO L227 lantSequenceWeakener]: Weakened 147 states. On average, predicates are now at 82.62% of their original sizes. [2018-12-03 01:49:34,764 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-03 01:49:34,813 INFO L418 sIntCurrentIteration]: We unified 151 AI predicates to 151 [2018-12-03 01:49:34,813 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-03 01:49:34,813 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 01:49:34,813 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-03 01:49:34,813 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 01:49:34,813 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 01:49:34,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 01:49:34,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-03 01:49:34,814 INFO L87 Difference]: Start difference. First operand 769 states and 1059 transitions. Second operand 10 states. [2018-12-03 01:49:36,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:49:36,948 INFO L93 Difference]: Finished difference Result 2133 states and 3037 transitions. [2018-12-03 01:49:36,948 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-12-03 01:49:36,948 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 152 [2018-12-03 01:49:36,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:49:36,952 INFO L225 Difference]: With dead ends: 2133 [2018-12-03 01:49:36,952 INFO L226 Difference]: Without dead ends: 1370 [2018-12-03 01:49:36,953 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 161 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-12-03 01:49:36,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1370 states. [2018-12-03 01:49:36,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1370 to 1363. [2018-12-03 01:49:36,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1363 states. [2018-12-03 01:49:36,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1363 states to 1363 states and 1785 transitions. [2018-12-03 01:49:36,975 INFO L78 Accepts]: Start accepts. Automaton has 1363 states and 1785 transitions. Word has length 152 [2018-12-03 01:49:36,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:49:36,975 INFO L480 AbstractCegarLoop]: Abstraction has 1363 states and 1785 transitions. [2018-12-03 01:49:36,975 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 01:49:36,975 INFO L276 IsEmpty]: Start isEmpty. Operand 1363 states and 1785 transitions. [2018-12-03 01:49:36,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-12-03 01:49:36,978 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:49:36,978 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 01:49:36,978 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:49:36,978 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:49:36,979 INFO L82 PathProgramCache]: Analyzing trace with hash -1355208680, now seen corresponding path program 1 times [2018-12-03 01:49:36,979 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 01:49:36,979 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:49:36,979 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:49:36,979 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:49:36,979 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 01:49:36,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:49:37,059 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 31 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-03 01:49:37,059 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 01:49:37,059 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 01:49:37,059 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 157 with the following transitions: [2018-12-03 01:49:37,059 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [45], [50], [52], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [631], [633], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-03 01:49:37,062 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 01:49:37,062 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 01:49:37,201 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 01:49:37,201 INFO L272 AbstractInterpreter]: Visited 124 different actions 367 times. Merged at 6 different actions 15 times. Never widened. Performed 4171 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4171 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-12-03 01:49:37,203 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:49:37,203 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 01:49:37,317 INFO L227 lantSequenceWeakener]: Weakened 151 states. On average, predicates are now at 84.61% of their original sizes. [2018-12-03 01:49:37,317 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-03 01:49:37,352 INFO L418 sIntCurrentIteration]: We unified 155 AI predicates to 155 [2018-12-03 01:49:37,352 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-03 01:49:37,353 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 01:49:37,353 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2018-12-03 01:49:37,353 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 01:49:37,353 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-03 01:49:37,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-03 01:49:37,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-03 01:49:37,354 INFO L87 Difference]: Start difference. First operand 1363 states and 1785 transitions. Second operand 9 states. [2018-12-03 01:49:38,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:49:38,880 INFO L93 Difference]: Finished difference Result 3206 states and 4328 transitions. [2018-12-03 01:49:38,880 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-03 01:49:38,881 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 156 [2018-12-03 01:49:38,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:49:38,886 INFO L225 Difference]: With dead ends: 3206 [2018-12-03 01:49:38,886 INFO L226 Difference]: Without dead ends: 1849 [2018-12-03 01:49:38,889 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 163 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-12-03 01:49:38,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1849 states. [2018-12-03 01:49:38,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1849 to 1821. [2018-12-03 01:49:38,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1821 states. [2018-12-03 01:49:38,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1821 states to 1821 states and 2374 transitions. [2018-12-03 01:49:38,925 INFO L78 Accepts]: Start accepts. Automaton has 1821 states and 2374 transitions. Word has length 156 [2018-12-03 01:49:38,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:49:38,925 INFO L480 AbstractCegarLoop]: Abstraction has 1821 states and 2374 transitions. [2018-12-03 01:49:38,925 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-03 01:49:38,925 INFO L276 IsEmpty]: Start isEmpty. Operand 1821 states and 2374 transitions. [2018-12-03 01:49:38,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-12-03 01:49:38,929 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:49:38,930 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 01:49:38,930 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:49:38,930 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:49:38,930 INFO L82 PathProgramCache]: Analyzing trace with hash -1318581601, now seen corresponding path program 1 times [2018-12-03 01:49:38,930 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 01:49:38,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:49:38,931 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:49:38,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:49:38,931 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 01:49:38,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:49:39,000 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 64 proven. 18 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-03 01:49:39,001 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 01:49:39,001 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 01:49:39,001 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 184 with the following transitions: [2018-12-03 01:49:39,001 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [45], [50], [52], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [127], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [631], [633], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-03 01:49:39,003 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 01:49:39,003 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 01:49:39,215 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 01:49:39,215 INFO L272 AbstractInterpreter]: Visited 125 different actions 366 times. Merged at 6 different actions 13 times. Never widened. Performed 4201 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4201 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-12-03 01:49:39,217 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:49:39,217 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 01:49:39,218 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 01:49:39,218 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ed520edb-0ab4-49a2-8ed7-d09b8be5587f/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-03 01:49:39,226 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:49:39,226 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 01:49:39,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:49:39,293 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 01:49:39,344 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 71 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-03 01:49:39,344 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 01:49:39,430 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 64 proven. 18 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-03 01:49:39,455 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 01:49:39,455 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-03 01:49:39,456 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 01:49:39,456 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-03 01:49:39,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-03 01:49:39,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-12-03 01:49:39,457 INFO L87 Difference]: Start difference. First operand 1821 states and 2374 transitions. Second operand 9 states. [2018-12-03 01:49:39,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:49:39,938 INFO L93 Difference]: Finished difference Result 4290 states and 5767 transitions. [2018-12-03 01:49:39,938 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-03 01:49:39,938 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 183 [2018-12-03 01:49:39,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:49:39,942 INFO L225 Difference]: With dead ends: 4290 [2018-12-03 01:49:39,943 INFO L226 Difference]: Without dead ends: 2475 [2018-12-03 01:49:39,945 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 379 GetRequests, 365 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2018-12-03 01:49:39,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2475 states. [2018-12-03 01:49:39,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2475 to 2446. [2018-12-03 01:49:39,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2446 states. [2018-12-03 01:49:39,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2446 states to 2446 states and 3170 transitions. [2018-12-03 01:49:39,978 INFO L78 Accepts]: Start accepts. Automaton has 2446 states and 3170 transitions. Word has length 183 [2018-12-03 01:49:39,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:49:39,978 INFO L480 AbstractCegarLoop]: Abstraction has 2446 states and 3170 transitions. [2018-12-03 01:49:39,978 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-03 01:49:39,978 INFO L276 IsEmpty]: Start isEmpty. Operand 2446 states and 3170 transitions. [2018-12-03 01:49:39,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-03 01:49:39,982 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:49:39,982 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 01:49:39,982 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:49:39,982 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:49:39,982 INFO L82 PathProgramCache]: Analyzing trace with hash 1648752332, now seen corresponding path program 1 times [2018-12-03 01:49:39,982 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 01:49:39,983 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:49:39,983 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:49:39,983 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:49:39,983 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 01:49:39,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:49:40,064 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 69 proven. 34 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-03 01:49:40,064 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 01:49:40,064 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 01:49:40,065 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 185 with the following transitions: [2018-12-03 01:49:40,065 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [13], [14], [18], [22], [25], [26], [30], [34], [38], [42], [45], [50], [52], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [631], [633], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-03 01:49:40,066 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 01:49:40,066 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 01:49:40,236 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 01:49:40,237 INFO L272 AbstractInterpreter]: Visited 128 different actions 376 times. Merged at 8 different actions 18 times. Never widened. Performed 4415 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4415 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 5 fixpoints after 2 different actions. Largest state had 38 variables. [2018-12-03 01:49:40,240 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:49:40,240 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 01:49:40,240 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 01:49:40,240 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ed520edb-0ab4-49a2-8ed7-d09b8be5587f/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-03 01:49:40,245 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:49:40,246 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 01:49:40,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:49:40,287 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 01:49:40,327 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 97 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-03 01:49:40,327 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 01:49:40,377 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 80 proven. 10 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-03 01:49:40,392 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 01:49:40,393 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 14 [2018-12-03 01:49:40,393 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 01:49:40,393 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-03 01:49:40,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-03 01:49:40,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2018-12-03 01:49:40,393 INFO L87 Difference]: Start difference. First operand 2446 states and 3170 transitions. Second operand 11 states. [2018-12-03 01:49:43,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:49:43,017 INFO L93 Difference]: Finished difference Result 7808 states and 10653 transitions. [2018-12-03 01:49:43,017 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-12-03 01:49:43,017 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 184 [2018-12-03 01:49:43,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:49:43,027 INFO L225 Difference]: With dead ends: 7808 [2018-12-03 01:49:43,027 INFO L226 Difference]: Without dead ends: 3895 [2018-12-03 01:49:43,033 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 414 GetRequests, 379 SyntacticMatches, 3 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 215 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=260, Invalid=862, Unknown=0, NotChecked=0, Total=1122 [2018-12-03 01:49:43,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3895 states. [2018-12-03 01:49:43,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3895 to 3160. [2018-12-03 01:49:43,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3160 states. [2018-12-03 01:49:43,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3160 states to 3160 states and 3789 transitions. [2018-12-03 01:49:43,095 INFO L78 Accepts]: Start accepts. Automaton has 3160 states and 3789 transitions. Word has length 184 [2018-12-03 01:49:43,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:49:43,095 INFO L480 AbstractCegarLoop]: Abstraction has 3160 states and 3789 transitions. [2018-12-03 01:49:43,095 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-03 01:49:43,095 INFO L276 IsEmpty]: Start isEmpty. Operand 3160 states and 3789 transitions. [2018-12-03 01:49:43,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-12-03 01:49:43,100 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:49:43,100 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 01:49:43,100 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:49:43,100 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:49:43,100 INFO L82 PathProgramCache]: Analyzing trace with hash -229108844, now seen corresponding path program 1 times [2018-12-03 01:49:43,100 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 01:49:43,101 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:49:43,101 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:49:43,101 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:49:43,101 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 01:49:43,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:49:43,184 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 94 proven. 43 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2018-12-03 01:49:43,184 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 01:49:43,185 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 01:49:43,185 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 219 with the following transitions: [2018-12-03 01:49:43,185 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [45], [50], [52], [53], [56], [59], [63], [64], [68], [72], [76], [80], [84], [88], [92], [96], [99], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [631], [633], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-03 01:49:43,186 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 01:49:43,186 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 01:49:43,477 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 01:49:43,478 INFO L272 AbstractInterpreter]: Visited 130 different actions 643 times. Merged at 8 different actions 45 times. Widened at 1 different actions 1 times. Performed 7352 root evaluator evaluations with a maximum evaluation depth of 3. Performed 7352 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 15 fixpoints after 4 different actions. Largest state had 38 variables. [2018-12-03 01:49:43,480 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:49:43,480 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 01:49:43,622 INFO L227 lantSequenceWeakener]: Weakened 136 states. On average, predicates are now at 87.68% of their original sizes. [2018-12-03 01:49:43,622 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-03 01:49:43,763 INFO L418 sIntCurrentIteration]: We unified 217 AI predicates to 217 [2018-12-03 01:49:43,763 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-03 01:49:43,763 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 01:49:43,763 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [9] total 26 [2018-12-03 01:49:43,763 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 01:49:43,764 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-03 01:49:43,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-03 01:49:43,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=272, Unknown=0, NotChecked=0, Total=342 [2018-12-03 01:49:43,764 INFO L87 Difference]: Start difference. First operand 3160 states and 3789 transitions. Second operand 19 states. [2018-12-03 01:49:52,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:49:52,668 INFO L93 Difference]: Finished difference Result 6128 states and 7364 transitions. [2018-12-03 01:49:52,668 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-12-03 01:49:52,668 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 218 [2018-12-03 01:49:52,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:49:52,668 INFO L225 Difference]: With dead ends: 6128 [2018-12-03 01:49:52,668 INFO L226 Difference]: Without dead ends: 0 [2018-12-03 01:49:52,672 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 247 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 619 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=427, Invalid=1925, Unknown=0, NotChecked=0, Total=2352 [2018-12-03 01:49:52,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-03 01:49:52,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-03 01:49:52,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-03 01:49:52,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-03 01:49:52,673 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 218 [2018-12-03 01:49:52,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:49:52,673 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-03 01:49:52,673 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-03 01:49:52,673 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-03 01:49:52,673 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-03 01:49:52,676 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-03 01:49:52,825 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:49:52,826 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:49:52,833 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:49:52,836 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:49:52,854 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:49:52,859 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:49:52,867 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:49:52,901 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:49:52,917 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:49:52,934 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:49:52,954 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:49:53,112 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 77 [2018-12-03 01:49:54,582 WARN L180 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 242 DAG size of output: 119 [2018-12-03 01:49:55,147 WARN L180 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 107 [2018-12-03 01:49:55,561 WARN L180 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 103 [2018-12-03 01:49:55,563 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-03 01:49:55,563 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a17~0 |old(~a17~0)|) (= |old(~a28~0)| ~a28~0) (= |old(~a19~0)| ~a19~0) (= |old(~a25~0)| ~a25~0)) [2018-12-03 01:49:55,563 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-03 01:49:55,563 INFO L448 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 01:49:55,563 INFO L448 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 01:49:55,563 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 01:49:55,563 INFO L448 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 01:49:55,563 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 01:49:55,563 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-12-03 01:49:55,563 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-12-03 01:49:55,563 INFO L448 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-12-03 01:49:55,563 INFO L448 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-12-03 01:49:55,564 INFO L448 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-12-03 01:49:55,564 INFO L448 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-12-03 01:49:55,564 INFO L448 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-12-03 01:49:55,564 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-12-03 01:49:55,564 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-12-03 01:49:55,564 INFO L448 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-12-03 01:49:55,564 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-12-03 01:49:55,564 INFO L448 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-12-03 01:49:55,564 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-12-03 01:49:55,564 INFO L448 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 01:49:55,564 INFO L448 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 01:49:55,564 INFO L448 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 01:49:55,564 INFO L448 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 01:49:55,564 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-12-03 01:49:55,564 INFO L448 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 01:49:55,564 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-12-03 01:49:55,564 INFO L448 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-12-03 01:49:55,564 INFO L448 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-12-03 01:49:55,564 INFO L448 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-12-03 01:49:55,564 INFO L448 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-12-03 01:49:55,564 INFO L448 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-12-03 01:49:55,564 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-12-03 01:49:55,564 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-12-03 01:49:55,564 INFO L448 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-12-03 01:49:55,565 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-12-03 01:49:55,565 INFO L448 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-12-03 01:49:55,565 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-12-03 01:49:55,565 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-12-03 01:49:55,565 INFO L448 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-12-03 01:49:55,565 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-12-03 01:49:55,565 INFO L448 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 01:49:55,565 INFO L448 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 01:49:55,565 INFO L448 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 01:49:55,565 INFO L448 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 01:49:55,565 INFO L448 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 01:49:55,565 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-12-03 01:49:55,565 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-12-03 01:49:55,565 INFO L448 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-12-03 01:49:55,565 INFO L448 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-12-03 01:49:55,565 INFO L448 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-12-03 01:49:55,565 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-12-03 01:49:55,565 INFO L448 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-12-03 01:49:55,565 INFO L448 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-12-03 01:49:55,565 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-12-03 01:49:55,565 INFO L448 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-12-03 01:49:55,565 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-12-03 01:49:55,565 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 01:49:55,565 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 01:49:55,566 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 01:49:55,566 INFO L448 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 01:49:55,566 INFO L448 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 01:49:55,566 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-12-03 01:49:55,566 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-12-03 01:49:55,566 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-12-03 01:49:55,566 INFO L448 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-12-03 01:49:55,566 INFO L448 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-12-03 01:49:55,566 INFO L448 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-12-03 01:49:55,566 INFO L448 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-12-03 01:49:55,566 INFO L448 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-12-03 01:49:55,566 INFO L448 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-12-03 01:49:55,566 INFO L448 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-12-03 01:49:55,566 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-12-03 01:49:55,566 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-12-03 01:49:55,566 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-12-03 01:49:55,566 INFO L448 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 01:49:55,566 INFO L448 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 01:49:55,566 INFO L448 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 01:49:55,566 INFO L448 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 01:49:55,566 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 511) no Hoare annotation was computed. [2018-12-03 01:49:55,566 INFO L448 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 01:49:55,567 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-12-03 01:49:55,567 INFO L448 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-12-03 01:49:55,567 INFO L448 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-12-03 01:49:55,567 INFO L448 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-12-03 01:49:55,567 INFO L448 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-12-03 01:49:55,567 INFO L448 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-12-03 01:49:55,567 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-12-03 01:49:55,567 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-12-03 01:49:55,567 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-12-03 01:49:55,567 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-12-03 01:49:55,567 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-12-03 01:49:55,567 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-12-03 01:49:55,567 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-12-03 01:49:55,567 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-12-03 01:49:55,567 INFO L448 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-12-03 01:49:55,567 INFO L448 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-12-03 01:49:55,567 INFO L448 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 01:49:55,567 INFO L448 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 01:49:55,567 INFO L448 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 01:49:55,567 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 01:49:55,567 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-12-03 01:49:55,567 INFO L448 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 01:49:55,567 INFO L448 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-12-03 01:49:55,567 INFO L448 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-12-03 01:49:55,568 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-12-03 01:49:55,568 INFO L448 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-12-03 01:49:55,568 INFO L448 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-12-03 01:49:55,568 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-12-03 01:49:55,568 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-12-03 01:49:55,568 INFO L448 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-12-03 01:49:55,568 INFO L448 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-12-03 01:49:55,568 INFO L448 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-12-03 01:49:55,568 INFO L448 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-12-03 01:49:55,568 INFO L448 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-12-03 01:49:55,568 INFO L448 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-12-03 01:49:55,568 INFO L448 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-12-03 01:49:55,568 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-12-03 01:49:55,568 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-12-03 01:49:55,568 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-12-03 01:49:55,568 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-12-03 01:49:55,568 INFO L448 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 01:49:55,568 INFO L448 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 01:49:55,568 INFO L448 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 01:49:55,568 INFO L448 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 01:49:55,568 INFO L448 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 01:49:55,568 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 01:49:55,568 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-12-03 01:49:55,568 INFO L448 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-12-03 01:49:55,568 INFO L448 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-12-03 01:49:55,569 INFO L448 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-12-03 01:49:55,569 INFO L448 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-12-03 01:49:55,569 INFO L448 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-12-03 01:49:55,569 INFO L448 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-12-03 01:49:55,569 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-12-03 01:49:55,569 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-12-03 01:49:55,569 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-12-03 01:49:55,569 INFO L448 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-12-03 01:49:55,569 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 01:49:55,569 INFO L448 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 01:49:55,569 INFO L448 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 01:49:55,569 INFO L448 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 01:49:55,569 INFO L448 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 01:49:55,569 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 01:49:55,569 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-12-03 01:49:55,569 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-12-03 01:49:55,569 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-12-03 01:49:55,569 INFO L448 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-12-03 01:49:55,569 INFO L448 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-12-03 01:49:55,569 INFO L448 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-12-03 01:49:55,569 INFO L448 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-12-03 01:49:55,569 INFO L448 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-12-03 01:49:55,569 INFO L448 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-12-03 01:49:55,569 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-12-03 01:49:55,570 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-12-03 01:49:55,570 INFO L448 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-12-03 01:49:55,570 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-12-03 01:49:55,570 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-12-03 01:49:55,570 INFO L448 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 01:49:55,570 INFO L448 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 01:49:55,570 INFO L448 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 01:49:55,570 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse31 (not (= 1 ~a21~0))) (.cse12 (= 8 |old(~a28~0)|)) (.cse32 (= 1 |old(~a19~0)|)) (.cse23 (= 1 |old(~a25~0)|)) (.cse29 (= ~a17~0 8)) (.cse28 (= |old(~a28~0)| ~a28~0)) (.cse27 (= |old(~a19~0)| ~a19~0)) (.cse33 (= |old(~a25~0)| ~a25~0))) (let ((.cse20 (not (= |old(~a19~0)| 1))) (.cse21 (and (<= ~a17~0 |old(~a17~0)|) .cse28 .cse27 .cse33)) (.cse22 (< 7 |old(~a17~0)|)) (.cse19 (and (and .cse28 .cse33 (= ~a19~0 1)) .cse29)) (.cse3 (not (= ~a21~0 1))) (.cse5 (= |old(~a28~0)| 0)) (.cse8 (< 10 |old(~a28~0)|)) (.cse26 (= ~a11~0 0)) (.cse24 (not (= 0 |old(~a11~0)|))) (.cse25 (not .cse23)) (.cse18 (not .cse32)) (.cse1 (not (= ~v~0 22))) (.cse2 (not (= ~u~0 21))) (.cse0 (and .cse33 .cse27 .cse28 .cse29)) (.cse4 (not (= ~y~0 25))) (.cse6 (not (= 3 ~c~0))) (.cse7 (= |calculate_output_#in~input| 0)) (.cse30 (and (or .cse31 (not (= 7 |old(~a28~0)|))) (or .cse31 (not .cse12)))) (.cse9 (not (= ~a~0 1))) (.cse10 (not (= 26 ~z~0))) (.cse11 (not (= ~x~0 24))) (.cse13 (not (= 8 |old(~a17~0)|))) (.cse14 (not (= ~e~0 5))) (.cse15 (not (= ~d~0 4))) (.cse16 (not (= 6 ~f~0))) (.cse17 (not (= ~w~0 23)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 (< 0 |old(~a19~0)|) .cse14 .cse15 .cse16 .cse17) (or .cse1 (or .cse8 .cse18 .cse12) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse9 .cse10 .cse11 .cse13 .cse14 .cse15 .cse16 .cse17 .cse19) (or .cse20 .cse12 .cse21 .cse22) (or .cse20 .cse21 .cse22 .cse23) (or .cse8 .cse12 .cse21 .cse22) (or .cse24 .cse1 .cse2 .cse3 .cse4 .cse25 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse18 .cse26 .cse11 .cse13 .cse14 .cse15 .cse16 .cse17) (or .cse1 .cse18 .cse19 .cse2 .cse3 .cse4 .cse25 .cse5 .cse6 .cse7 .cse9 .cse10 .cse11 .cse13 .cse14 .cse15 .cse16 .cse17) (or .cse1 .cse2 (and (= ~a25~0 1) .cse27 .cse28 .cse29) .cse4 .cse25 .cse6 .cse7 .cse30 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17) (or .cse24 .cse1 .cse2 .cse26 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse18 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17) (or .cse26 .cse1 .cse2 (or .cse31 (not (= 11 |old(~a28~0)|)) .cse24) .cse4 .cse25 .cse6 .cse7 .cse9 .cse10 .cse18 .cse11 .cse13 .cse14 .cse15 .cse16 .cse17) (or .cse23 .cse1 .cse2 .cse32 .cse0 .cse4 .cse6 .cse7 .cse30 .cse9 .cse10 .cse11 .cse13 .cse14 .cse15 .cse16 .cse17)))) [2018-12-03 01:49:55,570 INFO L448 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 01:49:55,570 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 01:49:55,570 INFO L448 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 01:49:55,570 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-12-03 01:49:55,570 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-12-03 01:49:55,570 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-12-03 01:49:55,570 INFO L448 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-12-03 01:49:55,570 INFO L448 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-12-03 01:49:55,570 INFO L448 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-12-03 01:49:55,570 INFO L448 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-12-03 01:49:55,570 INFO L448 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-12-03 01:49:55,571 INFO L448 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-12-03 01:49:55,571 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-12-03 01:49:55,571 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-12-03 01:49:55,571 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-12-03 01:49:55,571 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-12-03 01:49:55,571 INFO L448 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 01:49:55,571 INFO L448 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 01:49:55,571 INFO L448 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 01:49:55,571 INFO L448 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 01:49:55,571 INFO L448 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 01:49:55,571 INFO L448 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 01:49:55,571 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-12-03 01:49:55,571 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-12-03 01:49:55,571 INFO L448 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-12-03 01:49:55,571 INFO L448 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-12-03 01:49:55,571 INFO L448 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-12-03 01:49:55,571 INFO L448 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-12-03 01:49:55,571 INFO L448 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-12-03 01:49:55,571 INFO L448 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-12-03 01:49:55,571 INFO L448 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-12-03 01:49:55,571 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-12-03 01:49:55,571 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-12-03 01:49:55,571 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-12-03 01:49:55,571 INFO L448 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-12-03 01:49:55,572 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-12-03 01:49:55,572 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-12-03 01:49:55,572 INFO L448 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-12-03 01:49:55,572 INFO L448 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 01:49:55,572 INFO L448 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 01:49:55,572 INFO L448 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 01:49:55,572 INFO L448 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 01:49:55,572 INFO L448 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 01:49:55,572 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-12-03 01:49:55,572 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-12-03 01:49:55,572 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-12-03 01:49:55,572 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-12-03 01:49:55,572 INFO L448 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-12-03 01:49:55,572 INFO L448 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-12-03 01:49:55,572 INFO L448 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-12-03 01:49:55,572 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-12-03 01:49:55,572 INFO L448 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-12-03 01:49:55,572 INFO L448 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-12-03 01:49:55,572 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-12-03 01:49:55,572 INFO L448 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-12-03 01:49:55,572 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-12-03 01:49:55,572 INFO L448 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-12-03 01:49:55,572 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-12-03 01:49:55,572 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-12-03 01:49:55,572 INFO L448 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-12-03 01:49:55,573 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-12-03 01:49:55,573 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-12-03 01:49:55,573 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-03 01:49:55,573 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~d~0 4) (= ~z~0 26) (= ~c~0 3) (= ~a21~0 1) (= ~f~0 6) (= ~w~0 23) (= ~u~0 21) (= ~v~0 22) (= ~y~0 25) (= ~e~0 5) (= ~x~0 24) (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a~0 1) (= ~a19~0 1) (= ~a28~0 7)) [2018-12-03 01:49:55,573 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-03 01:49:55,573 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-03 01:49:55,573 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= |old(~a11~0)| 0)) (not (= ~v~0 22)) (not (= ~u~0 21)) (not (= ~a21~0 1)) (not (= ~y~0 25)) (not (= 3 ~c~0)) (not (= |old(~a25~0)| 0)) (and (= ~a11~0 0) (= ~a25~0 0) (= ~a19~0 1) (= |old(~a28~0)| ~a28~0) (= ~a17~0 8)) (not (= |old(~a28~0)| 7)) (not (= ~a~0 1)) (not (= 26 ~z~0)) (not (= 1 |old(~a19~0)|)) (not (= ~x~0 24)) (not (= 8 |old(~a17~0)|)) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 6 ~f~0)) (not (= ~w~0 23))) [2018-12-03 01:49:55,573 INFO L444 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse0 (= ~a25~0 1)) (.cse11 (= ~a28~0 7)) (.cse13 (= ~a28~0 8))) (let ((.cse10 (or .cse11 .cse13)) (.cse5 (= ~a19~0 1)) (.cse7 (<= ~a28~0 10)) (.cse8 (not .cse13)) (.cse1 (not (= main_~input~0 0))) (.cse2 (not (= main_~output~0 0))) (.cse3 (not (= ~a28~0 0))) (.cse4 (= ~a17~0 8)) (.cse9 (= |old(~a19~0)| ~a19~0)) (.cse6 (<= ~a17~0 7)) (.cse12 (not .cse0))) (or (and .cse0 .cse1 .cse2 (and .cse3 .cse4 .cse5)) (and .cse6 .cse7 .cse8) (not (= ~a21~0 1)) (not (= ~y~0 25)) (and (and .cse3 .cse8 .cse7 .cse4 .cse5) .cse1 .cse2) (not (= 1 |old(~a19~0)|)) (not (= ~x~0 24)) (and .cse9 .cse6 .cse8) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 21 ~u~0)) (and .cse10 .cse8 .cse1 .cse2 .cse4) (not (= 22 ~v~0)) (not (= |old(~a11~0)| 0)) (and (and (= ~a11~0 0) (= ~a25~0 0) .cse5 .cse11) .cse2 .cse4) (not (= ~z~0 26)) (not (= 0 |old(~a25~0)|)) (and .cse10 (not .cse5) .cse1 .cse12 .cse2 .cse4) (not (= 3 ~c~0)) (and (<= ~a19~0 0) .cse7 .cse8 .cse1 .cse2 .cse3 .cse4) (not (= 23 ~w~0)) (not (= |old(~a28~0)| 7)) (not (= ~a~0 1)) (not (= |old(~a17~0)| 8)) (and .cse9 .cse6 .cse12) (not (= 6 ~f~0))))) [2018-12-03 01:49:55,573 INFO L448 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2018-12-03 01:49:55,573 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-12-03 01:49:55,573 INFO L444 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (= ~a25~0 1)) (.cse12 (= ~a28~0 8))) (let ((.cse10 (or (= ~a28~0 7) .cse12)) (.cse4 (= ~a17~0 8)) (.cse9 (= |old(~a19~0)| ~a19~0)) (.cse6 (<= ~a17~0 7)) (.cse11 (not .cse0)) (.cse2 (not (= main_~input~0 0))) (.cse7 (<= ~a28~0 10)) (.cse8 (not .cse12)) (.cse5 (= ~a19~0 1)) (.cse1 (not (= main_~output~0 0))) (.cse3 (not (= ~a28~0 0)))) (or (and .cse0 .cse1 (and .cse2 .cse3 .cse4 .cse5)) (and .cse6 .cse7 .cse8) (not (= ~a21~0 1)) (not (= ~y~0 25)) (not (= 1 |old(~a19~0)|)) (not (= ~x~0 24)) (and .cse9 .cse6 .cse8) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 21 ~u~0)) (and .cse10 .cse8 .cse2 .cse1 .cse4) (not (= 22 ~v~0)) (not (= |old(~a11~0)| 0)) (not (= ~z~0 26)) (not (= 0 |old(~a25~0)|)) (and .cse10 (not .cse5) .cse2 .cse11 .cse1 .cse4) (not (= 3 ~c~0)) (and (<= ~a19~0 0) .cse7 .cse8 .cse2 .cse1 .cse3 .cse4) (not (= 23 ~w~0)) (not (= |old(~a28~0)| 7)) (not (= ~a~0 1)) (not (= |old(~a17~0)| 8)) (and .cse9 .cse6 .cse11) (not (= 6 ~f~0)) (and (and (<= ~a17~0 |old(~a17~0)|) .cse2 .cse7 .cse8 .cse5) .cse1 .cse3)))) [2018-12-03 01:49:55,573 INFO L448 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-12-03 01:49:55,573 INFO L448 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-12-03 01:49:55,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 01:49:55 BoogieIcfgContainer [2018-12-03 01:49:55,582 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-03 01:49:55,582 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 01:49:55,582 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 01:49:55,582 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 01:49:55,583 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:49:30" (3/4) ... [2018-12-03 01:49:55,586 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-03 01:49:55,590 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-03 01:49:55,590 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-03 01:49:55,590 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-03 01:49:55,596 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-03 01:49:55,596 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-03 01:49:55,614 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((((((((a25 == 1 && !(input == 0)) && !(output == 0)) && (!(a28 == 0) && a17 == 8) && a19 == 1) || ((a17 <= 7 && a28 <= 10) && !(a28 == 8))) || !(a21 == 1)) || !(y == 25)) || ((((((!(a28 == 0) && !(a28 == 8)) && a28 <= 10) && a17 == 8) && a19 == 1) && !(input == 0)) && !(output == 0))) || !(1 == \old(a19))) || !(x == 24)) || ((\old(a19) == a19 && a17 <= 7) && !(a28 == 8))) || !(e == 5)) || !(d == 4)) || !(21 == u)) || (((((a28 == 7 || a28 == 8) && !(a28 == 8)) && !(input == 0)) && !(output == 0)) && a17 == 8)) || !(22 == v)) || !(\old(a11) == 0)) || (((((a11 == 0 && a25 == 0) && a19 == 1) && a28 == 7) && !(output == 0)) && a17 == 8)) || !(z == 26)) || !(0 == \old(a25))) || ((((((a28 == 7 || a28 == 8) && !(a19 == 1)) && !(input == 0)) && !(a25 == 1)) && !(output == 0)) && a17 == 8)) || !(3 == c)) || ((((((a19 <= 0 && a28 <= 10) && !(a28 == 8)) && !(input == 0)) && !(output == 0)) && !(a28 == 0)) && a17 == 8)) || !(23 == w)) || !(\old(a28) == 7)) || !(a == 1)) || !(\old(a17) == 8)) || ((\old(a19) == a19 && a17 <= 7) && !(a25 == 1))) || !(6 == f) [2018-12-03 01:49:55,676 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ed520edb-0ab4-49a2-8ed7-d09b8be5587f/bin-2019/utaipan/witness.graphml [2018-12-03 01:49:55,676 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 01:49:55,677 INFO L168 Benchmark]: Toolchain (without parser) took 25910.69 ms. Allocated memory was 1.0 GB in the beginning and 2.2 GB in the end (delta: 1.2 GB). Free memory was 947.0 MB in the beginning and 1.0 GB in the end (delta: -94.9 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-12-03 01:49:55,677 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 01:49:55,677 INFO L168 Benchmark]: CACSL2BoogieTranslator took 293.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -181.6 MB). Peak memory consumption was 40.4 MB. Max. memory is 11.5 GB. [2018-12-03 01:49:55,677 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-12-03 01:49:55,678 INFO L168 Benchmark]: Boogie Preprocessor took 35.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-03 01:49:55,678 INFO L168 Benchmark]: RCFGBuilder took 526.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 109.2 MB). Peak memory consumption was 109.2 MB. Max. memory is 11.5 GB. [2018-12-03 01:49:55,678 INFO L168 Benchmark]: TraceAbstraction took 24939.60 ms. Allocated memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: 1.0 GB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -55.2 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2018-12-03 01:49:55,678 INFO L168 Benchmark]: Witness Printer took 93.68 ms. Allocated memory is still 2.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 25.8 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. [2018-12-03 01:49:55,680 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 293.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -181.6 MB). Peak memory consumption was 40.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 526.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 109.2 MB). Peak memory consumption was 109.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 24939.60 ms. Allocated memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: 1.0 GB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -55.2 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. * Witness Printer took 93.68 ms. Allocated memory is still 2.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 25.8 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 511]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((a25 == 1 && !(input == 0)) && !(output == 0)) && (!(a28 == 0) && a17 == 8) && a19 == 1) || ((a17 <= 7 && a28 <= 10) && !(a28 == 8))) || !(a21 == 1)) || !(y == 25)) || ((((((!(a28 == 0) && !(a28 == 8)) && a28 <= 10) && a17 == 8) && a19 == 1) && !(input == 0)) && !(output == 0))) || !(1 == \old(a19))) || !(x == 24)) || ((\old(a19) == a19 && a17 <= 7) && !(a28 == 8))) || !(e == 5)) || !(d == 4)) || !(21 == u)) || (((((a28 == 7 || a28 == 8) && !(a28 == 8)) && !(input == 0)) && !(output == 0)) && a17 == 8)) || !(22 == v)) || !(\old(a11) == 0)) || (((((a11 == 0 && a25 == 0) && a19 == 1) && a28 == 7) && !(output == 0)) && a17 == 8)) || !(z == 26)) || !(0 == \old(a25))) || ((((((a28 == 7 || a28 == 8) && !(a19 == 1)) && !(input == 0)) && !(a25 == 1)) && !(output == 0)) && a17 == 8)) || !(3 == c)) || ((((((a19 <= 0 && a28 <= 10) && !(a28 == 8)) && !(input == 0)) && !(output == 0)) && !(a28 == 0)) && a17 == 8)) || !(23 == w)) || !(\old(a28) == 7)) || !(a == 1)) || !(\old(a17) == 8)) || ((\old(a19) == a19 && a17 <= 7) && !(a25 == 1))) || !(6 == f) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. SAFE Result, 24.8s OverallTime, 8 OverallIterations, 7 TraceHistogramMax, 18.3s AutomataDifference, 0.0s DeadEndRemovalTime, 2.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 626 SDtfs, 8092 SDslu, 811 SDs, 0 SdLazy, 11289 SolverSat, 2000 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.1s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 1526 GetRequests, 1381 SyntacticMatches, 8 SemanticMatches, 137 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 951 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3160occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.2s AbstIntTime, 6 AbstIntIterations, 4 AbstIntStrong, 0.9960123757986642 AbsIntWeakeningRatio, 0.24962630792227206 AbsIntAvgWeakeningVarsNumRemoved, 25.889387144992526 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 822 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 106 PreInvPairs, 167 NumberOfFragments, 1365 HoareAnnotationTreeSize, 106 FomulaSimplifications, 8278 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 9281 FormulaSimplificationTreeSizeReductionInter, 2.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1665 NumberOfCodeBlocks, 1665 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2020 ConstructedInterpolants, 0 QuantifiedInterpolants, 573843 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1016 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 2 PerfectInterpolantSequences, 874/1021 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...