./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label00_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_c22d9dab-19e8-4a39-af0c-c6e305ed80d3/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c22d9dab-19e8-4a39-af0c-c6e305ed80d3/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c22d9dab-19e8-4a39-af0c-c6e305ed80d3/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c22d9dab-19e8-4a39-af0c-c6e305ed80d3/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label00_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c22d9dab-19e8-4a39-af0c-c6e305ed80d3/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c22d9dab-19e8-4a39-af0c-c6e305ed80d3/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 e521cfa02db8c2eac8727300620f5ffec2ecc0c7 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 09:15:15,230 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 09:15:15,231 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 09:15:15,237 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 09:15:15,237 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 09:15:15,238 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 09:15:15,238 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 09:15:15,239 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 09:15:15,240 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 09:15:15,240 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 09:15:15,241 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 09:15:15,241 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 09:15:15,241 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 09:15:15,242 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 09:15:15,242 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 09:15:15,242 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 09:15:15,243 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 09:15:15,244 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 09:15:15,245 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 09:15:15,245 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 09:15:15,246 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 09:15:15,246 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 09:15:15,247 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 09:15:15,247 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 09:15:15,247 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 09:15:15,248 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 09:15:15,248 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 09:15:15,249 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 09:15:15,249 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 09:15:15,249 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 09:15:15,250 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 09:15:15,250 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 09:15:15,250 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 09:15:15,250 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 09:15:15,251 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 09:15:15,251 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 09:15:15,251 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c22d9dab-19e8-4a39-af0c-c6e305ed80d3/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 09:15:15,258 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 09:15:15,258 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 09:15:15,258 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 09:15:15,258 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 09:15:15,259 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 09:15:15,259 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 09:15:15,259 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 09:15:15,259 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 09:15:15,259 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 09:15:15,259 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 09:15:15,259 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 09:15:15,259 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 09:15:15,259 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 09:15:15,260 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 09:15:15,260 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 09:15:15,260 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 09:15:15,260 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 09:15:15,260 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 09:15:15,260 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 09:15:15,260 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 09:15:15,260 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 09:15:15,260 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 09:15:15,260 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 09:15:15,261 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 09:15:15,261 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 09:15:15,261 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 09:15:15,261 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 09:15:15,261 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 09:15:15,261 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 09:15:15,261 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 09:15:15,261 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 09:15:15,261 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 09:15:15,261 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 09:15:15,261 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 09:15:15,262 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 09:15:15,262 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 09:15:15,262 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_c22d9dab-19e8-4a39-af0c-c6e305ed80d3/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 -> e521cfa02db8c2eac8727300620f5ffec2ecc0c7 [2018-12-09 09:15:15,278 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 09:15:15,285 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 09:15:15,287 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 09:15:15,288 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 09:15:15,289 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 09:15:15,289 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c22d9dab-19e8-4a39-af0c-c6e305ed80d3/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label00_true-unreach-call_false-termination.c [2018-12-09 09:15:15,326 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c22d9dab-19e8-4a39-af0c-c6e305ed80d3/bin-2019/utaipan/data/2e45dd511/88d097424cab419ca5292fec23b041d6/FLAG179d3bd06 [2018-12-09 09:15:15,745 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 09:15:15,746 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c22d9dab-19e8-4a39-af0c-c6e305ed80d3/sv-benchmarks/c/eca-rers2012/Problem02_label00_true-unreach-call_false-termination.c [2018-12-09 09:15:15,752 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c22d9dab-19e8-4a39-af0c-c6e305ed80d3/bin-2019/utaipan/data/2e45dd511/88d097424cab419ca5292fec23b041d6/FLAG179d3bd06 [2018-12-09 09:15:15,760 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c22d9dab-19e8-4a39-af0c-c6e305ed80d3/bin-2019/utaipan/data/2e45dd511/88d097424cab419ca5292fec23b041d6 [2018-12-09 09:15:15,762 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 09:15:15,763 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 09:15:15,764 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 09:15:15,764 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 09:15:15,766 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 09:15:15,766 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:15:15" (1/1) ... [2018-12-09 09:15:15,768 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27d92faf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:15:15, skipping insertion in model container [2018-12-09 09:15:15,768 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:15:15" (1/1) ... [2018-12-09 09:15:15,772 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 09:15:15,794 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 09:15:15,963 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 09:15:15,966 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 09:15:16,048 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 09:15:16,057 INFO L195 MainTranslator]: Completed translation [2018-12-09 09:15:16,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:15:16 WrapperNode [2018-12-09 09:15:16,057 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 09:15:16,058 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 09:15:16,058 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 09:15:16,058 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 09:15:16,063 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:15:16" (1/1) ... [2018-12-09 09:15:16,071 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:15:16" (1/1) ... [2018-12-09 09:15:16,076 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 09:15:16,076 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 09:15:16,076 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 09:15:16,076 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 09:15:16,082 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:15:16" (1/1) ... [2018-12-09 09:15:16,082 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:15:16" (1/1) ... [2018-12-09 09:15:16,084 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:15:16" (1/1) ... [2018-12-09 09:15:16,085 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:15:16" (1/1) ... [2018-12-09 09:15:16,099 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:15:16" (1/1) ... [2018-12-09 09:15:16,106 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:15:16" (1/1) ... [2018-12-09 09:15:16,108 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:15:16" (1/1) ... [2018-12-09 09:15:16,110 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 09:15:16,111 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 09:15:16,111 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 09:15:16,111 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 09:15:16,111 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:15:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c22d9dab-19e8-4a39-af0c-c6e305ed80d3/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 [2018-12-09 09:15:16,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 09:15:16,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 09:15:16,142 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-09 09:15:16,142 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-09 09:15:16,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 09:15:16,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 09:15:16,143 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 09:15:16,143 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 09:15:16,712 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 09:15:16,713 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-09 09:15:16,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:15:16 BoogieIcfgContainer [2018-12-09 09:15:16,713 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 09:15:16,713 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 09:15:16,714 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 09:15:16,715 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 09:15:16,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 09:15:15" (1/3) ... [2018-12-09 09:15:16,716 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a622553 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 09:15:16, skipping insertion in model container [2018-12-09 09:15:16,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:15:16" (2/3) ... [2018-12-09 09:15:16,716 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a622553 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 09:15:16, skipping insertion in model container [2018-12-09 09:15:16,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:15:16" (3/3) ... [2018-12-09 09:15:16,717 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label00_true-unreach-call_false-termination.c [2018-12-09 09:15:16,724 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 09:15:16,729 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 09:15:16,739 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 09:15:16,759 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 09:15:16,759 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 09:15:16,759 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 09:15:16,759 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 09:15:16,759 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 09:15:16,759 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 09:15:16,759 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 09:15:16,759 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 09:15:16,773 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2018-12-09 09:15:16,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-12-09 09:15:16,779 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:15:16,780 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, 1, 1] [2018-12-09 09:15:16,781 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:15:16,785 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:15:16,785 INFO L82 PathProgramCache]: Analyzing trace with hash 1022555377, now seen corresponding path program 1 times [2018-12-09 09:15:16,786 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:15:16,816 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:15:16,816 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:15:16,816 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:15:16,816 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:15:16,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:15:17,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:15:17,020 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:15:17,021 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 09:15:17,021 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:15:17,024 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 09:15:17,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 09:15:17,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 09:15:17,034 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2018-12-09 09:15:17,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:15:17,471 INFO L93 Difference]: Finished difference Result 615 states and 1053 transitions. [2018-12-09 09:15:17,471 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 09:15:17,472 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2018-12-09 09:15:17,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:15:17,481 INFO L225 Difference]: With dead ends: 615 [2018-12-09 09:15:17,482 INFO L226 Difference]: Without dead ends: 317 [2018-12-09 09:15:17,485 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 [2018-12-09 09:15:17,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2018-12-09 09:15:17,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 317. [2018-12-09 09:15:17,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 317 states. [2018-12-09 09:15:17,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 478 transitions. [2018-12-09 09:15:17,531 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 478 transitions. Word has length 121 [2018-12-09 09:15:17,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:15:17,531 INFO L480 AbstractCegarLoop]: Abstraction has 317 states and 478 transitions. [2018-12-09 09:15:17,531 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 09:15:17,532 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 478 transitions. [2018-12-09 09:15:17,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-12-09 09:15:17,534 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:15:17,534 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1] [2018-12-09 09:15:17,534 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:15:17,534 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:15:17,534 INFO L82 PathProgramCache]: Analyzing trace with hash 145020396, now seen corresponding path program 1 times [2018-12-09 09:15:17,535 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:15:17,535 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:15:17,535 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:15:17,535 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:15:17,535 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:15:17,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:15:17,610 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:15:17,610 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:15:17,610 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 09:15:17,610 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:15:17,611 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 09:15:17,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 09:15:17,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 09:15:17,611 INFO L87 Difference]: Start difference. First operand 317 states and 478 transitions. Second operand 6 states. [2018-12-09 09:15:18,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:15:18,044 INFO L93 Difference]: Finished difference Result 962 states and 1500 transitions. [2018-12-09 09:15:18,044 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 09:15:18,044 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 136 [2018-12-09 09:15:18,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:15:18,050 INFO L225 Difference]: With dead ends: 962 [2018-12-09 09:15:18,050 INFO L226 Difference]: Without dead ends: 651 [2018-12-09 09:15:18,051 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 [2018-12-09 09:15:18,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 651 states. [2018-12-09 09:15:18,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 651 to 625. [2018-12-09 09:15:18,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 625 states. [2018-12-09 09:15:18,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 923 transitions. [2018-12-09 09:15:18,084 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 923 transitions. Word has length 136 [2018-12-09 09:15:18,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:15:18,084 INFO L480 AbstractCegarLoop]: Abstraction has 625 states and 923 transitions. [2018-12-09 09:15:18,084 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 09:15:18,084 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 923 transitions. [2018-12-09 09:15:18,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-09 09:15:18,087 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:15:18,087 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:15:18,088 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:15:18,088 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:15:18,088 INFO L82 PathProgramCache]: Analyzing trace with hash -1177628319, now seen corresponding path program 1 times [2018-12-09 09:15:18,088 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:15:18,089 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:15:18,089 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:15:18,089 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:15:18,089 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:15:18,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:15:18,259 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:15:18,260 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:15:18,260 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 09:15:18,260 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:15:18,260 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 09:15:18,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 09:15:18,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-09 09:15:18,260 INFO L87 Difference]: Start difference. First operand 625 states and 923 transitions. Second operand 5 states. [2018-12-09 09:15:18,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:15:18,585 INFO L93 Difference]: Finished difference Result 1330 states and 2013 transitions. [2018-12-09 09:15:18,586 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 09:15:18,586 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 147 [2018-12-09 09:15:18,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:15:18,588 INFO L225 Difference]: With dead ends: 1330 [2018-12-09 09:15:18,588 INFO L226 Difference]: Without dead ends: 625 [2018-12-09 09:15:18,589 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-09 09:15:18,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 625 states. [2018-12-09 09:15:18,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 625 to 625. [2018-12-09 09:15:18,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 625 states. [2018-12-09 09:15:18,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 907 transitions. [2018-12-09 09:15:18,605 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 907 transitions. Word has length 147 [2018-12-09 09:15:18,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:15:18,605 INFO L480 AbstractCegarLoop]: Abstraction has 625 states and 907 transitions. [2018-12-09 09:15:18,605 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 09:15:18,606 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 907 transitions. [2018-12-09 09:15:18,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-09 09:15:18,608 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:15:18,608 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:15:18,608 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:15:18,609 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:15:18,609 INFO L82 PathProgramCache]: Analyzing trace with hash -2040126092, now seen corresponding path program 1 times [2018-12-09 09:15:18,609 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:15:18,609 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:15:18,609 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:15:18,609 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:15:18,609 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:15:18,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:15:18,712 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 59 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-09 09:15:18,712 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:15:18,713 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 09:15:18,713 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 188 with the following transitions: [2018-12-09 09:15:18,715 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [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], [225], [228], [232], [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], [635], [643], [647], [649], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 09:15:18,746 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 09:15:18,746 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 09:15:19,017 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 09:15:19,018 INFO L272 AbstractInterpreter]: Visited 122 different actions 122 times. Never merged. Never widened. Performed 1358 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1358 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 38 variables. [2018-12-09 09:15:19,023 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:15:19,024 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 09:15:19,299 INFO L227 lantSequenceWeakener]: Weakened 176 states. On average, predicates are now at 80.92% of their original sizes. [2018-12-09 09:15:19,299 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 09:15:19,343 INFO L418 sIntCurrentIteration]: We unified 186 AI predicates to 186 [2018-12-09 09:15:19,343 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 09:15:19,344 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 09:15:19,344 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-12-09 09:15:19,344 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:15:19,344 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 09:15:19,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 09:15:19,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 09:15:19,345 INFO L87 Difference]: Start difference. First operand 625 states and 907 transitions. Second operand 6 states. [2018-12-09 09:15:20,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:15:20,313 INFO L93 Difference]: Finished difference Result 1392 states and 2018 transitions. [2018-12-09 09:15:20,313 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 09:15:20,313 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 187 [2018-12-09 09:15:20,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:15:20,315 INFO L225 Difference]: With dead ends: 1392 [2018-12-09 09:15:20,315 INFO L226 Difference]: Without dead ends: 773 [2018-12-09 09:15:20,316 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 187 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-09 09:15:20,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states. [2018-12-09 09:15:20,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 771. [2018-12-09 09:15:20,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 771 states. [2018-12-09 09:15:20,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 1060 transitions. [2018-12-09 09:15:20,328 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 1060 transitions. Word has length 187 [2018-12-09 09:15:20,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:15:20,328 INFO L480 AbstractCegarLoop]: Abstraction has 771 states and 1060 transitions. [2018-12-09 09:15:20,328 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 09:15:20,328 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 1060 transitions. [2018-12-09 09:15:20,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-12-09 09:15:20,330 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:15:20,331 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:15:20,331 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:15:20,331 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:15:20,331 INFO L82 PathProgramCache]: Analyzing trace with hash -997302813, now seen corresponding path program 1 times [2018-12-09 09:15:20,331 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:15:20,332 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:15:20,332 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:15:20,332 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:15:20,332 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:15:20,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:15:20,436 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 69 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 09:15:20,436 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:15:20,436 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 09:15:20,437 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 197 with the following transitions: [2018-12-09 09:15:20,437 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [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], [225], [228], [232], [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], [635], [643], [647], [649], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 09:15:20,440 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 09:15:20,441 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 09:15:20,688 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 09:15:20,688 INFO L272 AbstractInterpreter]: Visited 126 different actions 373 times. Merged at 6 different actions 15 times. Never widened. Performed 4240 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4240 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-12-09 09:15:20,692 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:15:20,692 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 09:15:20,871 INFO L227 lantSequenceWeakener]: Weakened 191 states. On average, predicates are now at 84.59% of their original sizes. [2018-12-09 09:15:20,871 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 09:15:20,919 INFO L418 sIntCurrentIteration]: We unified 195 AI predicates to 195 [2018-12-09 09:15:20,919 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 09:15:20,919 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 09:15:20,919 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2018-12-09 09:15:20,919 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:15:20,920 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 09:15:20,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 09:15:20,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 09:15:20,920 INFO L87 Difference]: Start difference. First operand 771 states and 1060 transitions. Second operand 9 states. [2018-12-09 09:15:23,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:15:23,474 INFO L93 Difference]: Finished difference Result 1858 states and 2603 transitions. [2018-12-09 09:15:23,474 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-09 09:15:23,474 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 196 [2018-12-09 09:15:23,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:15:23,477 INFO L225 Difference]: With dead ends: 1858 [2018-12-09 09:15:23,477 INFO L226 Difference]: Without dead ends: 1093 [2018-12-09 09:15:23,479 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 203 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-12-09 09:15:23,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1093 states. [2018-12-09 09:15:23,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1093 to 1075. [2018-12-09 09:15:23,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1075 states. [2018-12-09 09:15:23,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1075 states to 1075 states and 1450 transitions. [2018-12-09 09:15:23,504 INFO L78 Accepts]: Start accepts. Automaton has 1075 states and 1450 transitions. Word has length 196 [2018-12-09 09:15:23,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:15:23,504 INFO L480 AbstractCegarLoop]: Abstraction has 1075 states and 1450 transitions. [2018-12-09 09:15:23,504 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 09:15:23,504 INFO L276 IsEmpty]: Start isEmpty. Operand 1075 states and 1450 transitions. [2018-12-09 09:15:23,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-12-09 09:15:23,508 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:15:23,508 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-09 09:15:23,508 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:15:23,508 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:15:23,508 INFO L82 PathProgramCache]: Analyzing trace with hash 315167587, now seen corresponding path program 1 times [2018-12-09 09:15:23,509 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:15:23,509 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:15:23,509 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:15:23,510 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:15:23,510 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:15:23,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:15:23,601 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 101 proven. 22 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 09:15:23,601 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:15:23,601 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 09:15:23,602 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 223 with the following transitions: [2018-12-09 09:15:23,602 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [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], [301], [306], [308], [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], [635], [643], [647], [649], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 09:15:23,605 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 09:15:23,605 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 09:15:23,693 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 09:15:23,693 INFO L272 AbstractInterpreter]: Visited 126 different actions 246 times. Merged at 4 different actions 4 times. Never widened. Performed 2688 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2688 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-12-09 09:15:23,696 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:15:23,696 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 09:15:23,840 INFO L227 lantSequenceWeakener]: Weakened 217 states. On average, predicates are now at 80.9% of their original sizes. [2018-12-09 09:15:23,840 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 09:15:23,875 INFO L418 sIntCurrentIteration]: We unified 221 AI predicates to 221 [2018-12-09 09:15:23,875 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 09:15:23,875 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 09:15:23,875 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-09 09:15:23,875 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:15:23,876 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 09:15:23,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 09:15:23,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 09:15:23,876 INFO L87 Difference]: Start difference. First operand 1075 states and 1450 transitions. Second operand 10 states. [2018-12-09 09:15:25,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:15:25,906 INFO L93 Difference]: Finished difference Result 2440 states and 3281 transitions. [2018-12-09 09:15:25,906 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-09 09:15:25,906 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 222 [2018-12-09 09:15:25,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:15:25,909 INFO L225 Difference]: With dead ends: 2440 [2018-12-09 09:15:25,909 INFO L226 Difference]: Without dead ends: 1371 [2018-12-09 09:15:25,911 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 231 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-12-09 09:15:25,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1371 states. [2018-12-09 09:15:25,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1371 to 1368. [2018-12-09 09:15:25,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1368 states. [2018-12-09 09:15:25,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1368 states to 1368 states and 1788 transitions. [2018-12-09 09:15:25,928 INFO L78 Accepts]: Start accepts. Automaton has 1368 states and 1788 transitions. Word has length 222 [2018-12-09 09:15:25,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:15:25,929 INFO L480 AbstractCegarLoop]: Abstraction has 1368 states and 1788 transitions. [2018-12-09 09:15:25,929 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 09:15:25,929 INFO L276 IsEmpty]: Start isEmpty. Operand 1368 states and 1788 transitions. [2018-12-09 09:15:25,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-12-09 09:15:25,931 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:15:25,932 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-09 09:15:25,932 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:15:25,932 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:15:25,932 INFO L82 PathProgramCache]: Analyzing trace with hash -1259980821, now seen corresponding path program 1 times [2018-12-09 09:15:25,932 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:15:25,933 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:15:25,933 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:15:25,933 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:15:25,933 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:15:25,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:15:26,046 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 116 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:15:26,046 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:15:26,046 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 09:15:26,047 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 227 with the following transitions: [2018-12-09 09:15:26,047 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [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], [301], [306], [308], [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], [635], [643], [647], [649], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 09:15:26,049 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 09:15:26,049 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 09:15:26,200 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 09:15:26,200 INFO L272 AbstractInterpreter]: Visited 129 different actions 381 times. Merged at 7 different actions 20 times. Never widened. Performed 4540 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4540 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 3 different actions. Largest state had 38 variables. [2018-12-09 09:15:26,202 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:15:26,202 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 09:15:26,202 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:15:26,203 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c22d9dab-19e8-4a39-af0c-c6e305ed80d3/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 [2018-12-09 09:15:26,209 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:15:26,209 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 09:15:26,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:15:26,263 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 09:15:26,343 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 130 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 09:15:26,343 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 09:15:26,412 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 130 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 09:15:26,437 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 09:15:26,437 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 16 [2018-12-09 09:15:26,437 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 09:15:26,438 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-09 09:15:26,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-09 09:15:26,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2018-12-09 09:15:26,439 INFO L87 Difference]: Start difference. First operand 1368 states and 1788 transitions. Second operand 15 states. [2018-12-09 09:15:27,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:15:27,723 INFO L93 Difference]: Finished difference Result 3485 states and 4694 transitions. [2018-12-09 09:15:27,723 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-09 09:15:27,723 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 226 [2018-12-09 09:15:27,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:15:27,723 INFO L225 Difference]: With dead ends: 3485 [2018-12-09 09:15:27,724 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 09:15:27,728 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 488 GetRequests, 459 SyntacticMatches, 3 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 165 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=222, Invalid=534, Unknown=0, NotChecked=0, Total=756 [2018-12-09 09:15:27,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 09:15:27,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 09:15:27,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 09:15:27,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 09:15:27,728 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 226 [2018-12-09 09:15:27,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:15:27,729 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 09:15:27,729 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-09 09:15:27,729 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 09:15:27,729 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 09:15:27,733 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 09:15:27,767 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:15:27,772 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:15:27,775 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:15:27,780 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:15:27,959 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 57 [2018-12-09 09:15:28,047 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 09:15:28,047 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a28~0)| ~a28~0) (= |old(~a19~0)| ~a19~0) (= ~a11~0 |old(~a11~0)|) (= ~a17~0 |old(~a17~0)|)) [2018-12-09 09:15:28,047 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 09:15:28,047 INFO L448 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 09:15:28,047 INFO L448 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 09:15:28,047 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 09:15:28,047 INFO L448 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 09:15:28,047 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 09:15:28,047 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-12-09 09:15:28,047 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-12-09 09:15:28,047 INFO L448 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-12-09 09:15:28,048 INFO L448 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-12-09 09:15:28,048 INFO L448 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-12-09 09:15:28,048 INFO L448 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-12-09 09:15:28,048 INFO L448 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-12-09 09:15:28,048 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-12-09 09:15:28,048 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-12-09 09:15:28,048 INFO L448 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-12-09 09:15:28,048 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-12-09 09:15:28,048 INFO L448 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-12-09 09:15:28,048 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-12-09 09:15:28,048 INFO L448 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 09:15:28,048 INFO L448 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 09:15:28,048 INFO L448 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 09:15:28,048 INFO L448 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 09:15:28,048 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-12-09 09:15:28,048 INFO L448 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 09:15:28,048 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-12-09 09:15:28,048 INFO L448 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-12-09 09:15:28,048 INFO L448 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-12-09 09:15:28,048 INFO L448 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-12-09 09:15:28,048 INFO L448 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-12-09 09:15:28,049 INFO L448 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-12-09 09:15:28,049 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-12-09 09:15:28,049 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-12-09 09:15:28,049 INFO L448 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-12-09 09:15:28,049 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-12-09 09:15:28,049 INFO L448 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-12-09 09:15:28,049 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-12-09 09:15:28,049 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-12-09 09:15:28,049 INFO L448 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-12-09 09:15:28,049 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-12-09 09:15:28,049 INFO L448 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 09:15:28,049 INFO L448 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 09:15:28,049 INFO L448 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 09:15:28,049 INFO L448 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 09:15:28,049 INFO L448 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 09:15:28,049 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-12-09 09:15:28,049 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-12-09 09:15:28,049 INFO L448 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-12-09 09:15:28,049 INFO L448 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-12-09 09:15:28,049 INFO L448 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-12-09 09:15:28,049 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-12-09 09:15:28,049 INFO L448 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-12-09 09:15:28,049 INFO L448 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-12-09 09:15:28,049 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-12-09 09:15:28,049 INFO L448 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-12-09 09:15:28,050 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-12-09 09:15:28,050 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 09:15:28,050 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 09:15:28,050 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 09:15:28,050 INFO L448 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 09:15:28,050 INFO L448 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 09:15:28,050 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-12-09 09:15:28,050 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-12-09 09:15:28,050 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-12-09 09:15:28,050 INFO L448 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-12-09 09:15:28,050 INFO L448 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-12-09 09:15:28,050 INFO L448 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-12-09 09:15:28,050 INFO L448 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-12-09 09:15:28,050 INFO L448 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-12-09 09:15:28,050 INFO L448 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-12-09 09:15:28,050 INFO L448 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-12-09 09:15:28,050 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-12-09 09:15:28,050 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-12-09 09:15:28,050 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-12-09 09:15:28,050 INFO L448 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 09:15:28,050 INFO L448 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 09:15:28,050 INFO L448 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 09:15:28,050 INFO L448 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 09:15:28,050 INFO L448 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 09:15:28,051 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-12-09 09:15:28,051 INFO L448 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-12-09 09:15:28,051 INFO L448 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-12-09 09:15:28,051 INFO L448 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-12-09 09:15:28,051 INFO L448 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-12-09 09:15:28,051 INFO L448 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-12-09 09:15:28,051 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-12-09 09:15:28,051 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-12-09 09:15:28,051 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-12-09 09:15:28,051 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-12-09 09:15:28,051 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-12-09 09:15:28,051 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-12-09 09:15:28,051 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-12-09 09:15:28,051 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-12-09 09:15:28,051 INFO L448 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-12-09 09:15:28,051 INFO L448 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-12-09 09:15:28,051 INFO L448 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 09:15:28,051 INFO L448 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 09:15:28,051 INFO L448 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 09:15:28,051 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 09:15:28,051 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-12-09 09:15:28,051 INFO L448 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 09:15:28,051 INFO L448 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-12-09 09:15:28,051 INFO L448 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-12-09 09:15:28,051 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-12-09 09:15:28,052 INFO L448 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-12-09 09:15:28,052 INFO L448 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-12-09 09:15:28,052 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-12-09 09:15:28,052 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-12-09 09:15:28,052 INFO L448 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-12-09 09:15:28,052 INFO L448 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-12-09 09:15:28,052 INFO L448 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-12-09 09:15:28,052 INFO L448 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-12-09 09:15:28,052 INFO L448 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-12-09 09:15:28,052 INFO L448 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-12-09 09:15:28,052 INFO L448 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-12-09 09:15:28,052 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-12-09 09:15:28,052 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-12-09 09:15:28,052 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-12-09 09:15:28,052 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-12-09 09:15:28,052 INFO L448 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 09:15:28,052 INFO L448 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 09:15:28,052 INFO L448 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 09:15:28,052 INFO L448 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 09:15:28,052 INFO L448 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 09:15:28,052 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 09:15:28,052 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-12-09 09:15:28,052 INFO L448 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-12-09 09:15:28,052 INFO L448 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-12-09 09:15:28,052 INFO L448 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-12-09 09:15:28,053 INFO L448 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-12-09 09:15:28,053 INFO L448 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-12-09 09:15:28,053 INFO L448 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-12-09 09:15:28,053 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-12-09 09:15:28,053 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-12-09 09:15:28,053 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-12-09 09:15:28,053 INFO L448 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-12-09 09:15:28,053 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 09:15:28,053 INFO L448 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 09:15:28,053 INFO L448 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 09:15:28,053 INFO L448 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 09:15:28,053 INFO L448 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 09:15:28,053 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 09:15:28,053 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-12-09 09:15:28,053 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-12-09 09:15:28,053 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-12-09 09:15:28,053 INFO L448 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-12-09 09:15:28,053 INFO L448 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-12-09 09:15:28,053 INFO L448 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-12-09 09:15:28,053 INFO L448 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-12-09 09:15:28,053 INFO L448 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-12-09 09:15:28,053 INFO L448 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-12-09 09:15:28,053 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-12-09 09:15:28,053 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-12-09 09:15:28,053 INFO L448 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-12-09 09:15:28,054 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-12-09 09:15:28,054 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-12-09 09:15:28,054 INFO L448 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 09:15:28,054 INFO L448 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 09:15:28,054 INFO L448 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 09:15:28,054 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse2 (= |old(~a17~0)| |old(~a28~0)|)) (.cse3 (= |old(~a28~0)| ~a28~0)) (.cse4 (= |old(~a19~0)| ~a19~0)) (.cse5 (= ~a11~0 |old(~a11~0)|)) (.cse0 (not (= 1 ~a21~0))) (.cse6 (= 7 ~a17~0)) (.cse1 (not (= 1 |old(~a19~0)|))) (.cse7 (not (= 7 |old(~a17~0)|)))) (and (or .cse0 .cse1 (= 0 |old(~a28~0)|) (= ~a25~0 0) .cse2 (not (= 0 |old(~a11~0)|)) (not (= 8 |old(~a17~0)|)) (= |calculate_output_#in~input| 0) (not (= 0 |old(~a25~0)|))) (or .cse0 (and .cse3 .cse4 .cse5 (= ~a17~0 |old(~a17~0)|)) (not (= |old(~a17~0)| 8))) (or .cse0 .cse2 (and .cse3 .cse4 .cse5 .cse6) .cse7) (or .cse0 (and (= 7 ~a28~0) (= 1 ~a11~0) .cse6 (= 1 ~a25~0) (= 1 ~a19~0)) (not (= 7 |old(~a28~0)|)) (not (= 1 |old(~a25~0)|)) .cse1 (not (= 1 |old(~a11~0)|)) .cse7))) [2018-12-09 09:15:28,054 INFO L448 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 09:15:28,054 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 09:15:28,054 INFO L448 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 09:15:28,054 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-12-09 09:15:28,054 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-12-09 09:15:28,054 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-12-09 09:15:28,054 INFO L448 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-12-09 09:15:28,054 INFO L448 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-12-09 09:15:28,054 INFO L448 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-12-09 09:15:28,054 INFO L448 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-12-09 09:15:28,054 INFO L448 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-12-09 09:15:28,054 INFO L448 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-12-09 09:15:28,054 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-12-09 09:15:28,054 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-12-09 09:15:28,054 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-12-09 09:15:28,055 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-12-09 09:15:28,055 INFO L448 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 09:15:28,055 INFO L448 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 09:15:28,055 INFO L448 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 09:15:28,055 INFO L448 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 09:15:28,055 INFO L448 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 09:15:28,055 INFO L448 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 09:15:28,055 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-12-09 09:15:28,055 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-12-09 09:15:28,055 INFO L448 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-12-09 09:15:28,055 INFO L448 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-12-09 09:15:28,055 INFO L448 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-12-09 09:15:28,055 INFO L448 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-12-09 09:15:28,055 INFO L448 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-12-09 09:15:28,055 INFO L448 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-12-09 09:15:28,055 INFO L448 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-12-09 09:15:28,055 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-12-09 09:15:28,055 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-12-09 09:15:28,055 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-12-09 09:15:28,055 INFO L448 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-12-09 09:15:28,055 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-12-09 09:15:28,055 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-12-09 09:15:28,055 INFO L448 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-12-09 09:15:28,055 INFO L448 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 09:15:28,056 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 517) no Hoare annotation was computed. [2018-12-09 09:15:28,056 INFO L448 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 09:15:28,056 INFO L448 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 09:15:28,056 INFO L448 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 09:15:28,056 INFO L448 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 09:15:28,056 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-12-09 09:15:28,056 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-12-09 09:15:28,056 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-12-09 09:15:28,056 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-12-09 09:15:28,056 INFO L448 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-12-09 09:15:28,056 INFO L448 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-12-09 09:15:28,056 INFO L448 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-12-09 09:15:28,056 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-12-09 09:15:28,056 INFO L448 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-12-09 09:15:28,056 INFO L448 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-12-09 09:15:28,056 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-12-09 09:15:28,056 INFO L448 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-12-09 09:15:28,056 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-12-09 09:15:28,056 INFO L448 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-12-09 09:15:28,056 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-12-09 09:15:28,056 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-12-09 09:15:28,056 INFO L448 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-12-09 09:15:28,056 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-12-09 09:15:28,056 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-12-09 09:15:28,056 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 09:15:28,057 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a21~0 1)) [2018-12-09 09:15:28,057 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 09:15:28,057 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 09:15:28,057 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 1 |old(~a19~0)|)) (not (= 0 |old(~a11~0)|)) (not (= 8 |old(~a17~0)|)) (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7)) (not (= 0 |old(~a25~0)|))) [2018-12-09 09:15:28,057 INFO L444 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse0 (= 7 ~a17~0))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and (not (= ~a28~0 ~a17~0)) .cse0) (not (= 0 |old(~a11~0)|)) (= |old(~a17~0)| ~a17~0) (and (= 1 ~a11~0) .cse0 (= 1 ~a25~0) (= 1 ~a19~0)) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)))) [2018-12-09 09:15:28,057 INFO L448 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2018-12-09 09:15:28,057 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-12-09 09:15:28,057 INFO L444 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (= 7 ~a17~0))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and (not (= ~a28~0 ~a17~0)) .cse0) (not (= 0 |old(~a11~0)|)) (= |old(~a17~0)| ~a17~0) (and (= 1 ~a11~0) .cse0 (= 1 ~a25~0) (= 1 ~a19~0)) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)))) [2018-12-09 09:15:28,057 INFO L448 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-12-09 09:15:28,057 INFO L448 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-12-09 09:15:28,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 09:15:28 BoogieIcfgContainer [2018-12-09 09:15:28,063 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 09:15:28,063 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 09:15:28,063 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 09:15:28,063 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 09:15:28,064 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:15:16" (3/4) ... [2018-12-09 09:15:28,066 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 09:15:28,069 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 09:15:28,069 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-09 09:15:28,069 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 09:15:28,075 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-09 09:15:28,076 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 09:15:28,092 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(1 == a21) || !(7 == \old(a28))) || (!(a28 == a17) && 7 == a17)) || !(0 == \old(a11))) || \old(a17) == a17) || (((1 == a11 && 7 == a17) && 1 == a25) && 1 == a19)) || !(1 == \old(a19))) || !(8 == \old(a17))) || !(0 == \old(a25)) [2018-12-09 09:15:28,137 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c22d9dab-19e8-4a39-af0c-c6e305ed80d3/bin-2019/utaipan/witness.graphml [2018-12-09 09:15:28,138 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 09:15:28,138 INFO L168 Benchmark]: Toolchain (without parser) took 12375.52 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 695.2 MB). Free memory was 950.6 MB in the beginning and 1.2 GB in the end (delta: -201.9 MB). Peak memory consumption was 493.3 MB. Max. memory is 11.5 GB. [2018-12-09 09:15:28,138 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 09:15:28,139 INFO L168 Benchmark]: CACSL2BoogieTranslator took 293.96 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.1 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -148.8 MB). Peak memory consumption was 45.7 MB. Max. memory is 11.5 GB. [2018-12-09 09:15:28,139 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 09:15:28,139 INFO L168 Benchmark]: Boogie Preprocessor took 34.23 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 09:15:28,139 INFO L168 Benchmark]: RCFGBuilder took 602.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 989.6 MB in the end (delta: 104.5 MB). Peak memory consumption was 104.5 MB. Max. memory is 11.5 GB. [2018-12-09 09:15:28,139 INFO L168 Benchmark]: TraceAbstraction took 11349.54 ms. Allocated memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: 584.1 MB). Free memory was 989.6 MB in the beginning and 1.2 GB in the end (delta: -179.0 MB). Peak memory consumption was 405.1 MB. Max. memory is 11.5 GB. [2018-12-09 09:15:28,139 INFO L168 Benchmark]: Witness Printer took 74.34 ms. Allocated memory is still 1.7 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-09 09:15:28,140 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 293.96 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.1 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -148.8 MB). Peak memory consumption was 45.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 34.23 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 602.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 989.6 MB in the end (delta: 104.5 MB). Peak memory consumption was 104.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 11349.54 ms. Allocated memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: 584.1 MB). Free memory was 989.6 MB in the beginning and 1.2 GB in the end (delta: -179.0 MB). Peak memory consumption was 405.1 MB. Max. memory is 11.5 GB. * Witness Printer took 74.34 ms. Allocated memory is still 1.7 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 517]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((!(1 == a21) || !(7 == \old(a28))) || (!(a28 == a17) && 7 == a17)) || !(0 == \old(a11))) || \old(a17) == a17) || (((1 == a11 && 7 == a17) && 1 == a25) && 1 == a19)) || !(1 == \old(a19))) || !(8 == \old(a17))) || !(0 == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. SAFE Result, 11.3s OverallTime, 7 OverallIterations, 4 TraceHistogramMax, 8.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 553 SDtfs, 4750 SDslu, 517 SDs, 0 SdLazy, 6246 SolverSat, 1283 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.9s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 1132 GetRequests, 1051 SyntacticMatches, 6 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 256 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1368occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.8s AbstIntTime, 4 AbstIntIterations, 3 AbstIntStrong, 0.9974714494422282 AbsIntWeakeningRatio, 0.20431893687707642 AbsIntAvgWeakeningVarsNumRemoved, 26.659468438538205 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 49 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 53 PreInvPairs, 83 NumberOfFragments, 294 HoareAnnotationTreeSize, 53 FomulaSimplifications, 1789 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1218 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1461 NumberOfCodeBlocks, 1461 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1678 ConstructedInterpolants, 0 QuantifiedInterpolants, 979169 SizeOfPredicates, 1 NumberOfNonLiveVariables, 532 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 9 InterpolantComputations, 3 PerfectInterpolantSequences, 676/746 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...