./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label21_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_6b8ec0be-0671-47f6-80fb-074082a59972/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6b8ec0be-0671-47f6-80fb-074082a59972/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6b8ec0be-0671-47f6-80fb-074082a59972/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6b8ec0be-0671-47f6-80fb-074082a59972/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label21_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6b8ec0be-0671-47f6-80fb-074082a59972/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6b8ec0be-0671-47f6-80fb-074082a59972/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 d72d8b32d23c090e7c4c923093cd0c146af9199e ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 18:54:27,241 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 18:54:27,242 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 18:54:27,248 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 18:54:27,248 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 18:54:27,249 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 18:54:27,249 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 18:54:27,250 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 18:54:27,251 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 18:54:27,251 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 18:54:27,252 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 18:54:27,252 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 18:54:27,252 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 18:54:27,253 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 18:54:27,253 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 18:54:27,254 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 18:54:27,254 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 18:54:27,255 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 18:54:27,256 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 18:54:27,256 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 18:54:27,257 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 18:54:27,258 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 18:54:27,259 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 18:54:27,259 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 18:54:27,259 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 18:54:27,259 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 18:54:27,260 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 18:54:27,260 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 18:54:27,260 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 18:54:27,261 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 18:54:27,261 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 18:54:27,261 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 18:54:27,261 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 18:54:27,262 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 18:54:27,262 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 18:54:27,262 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 18:54:27,263 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6b8ec0be-0671-47f6-80fb-074082a59972/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 18:54:27,269 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 18:54:27,270 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 18:54:27,270 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 18:54:27,270 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 18:54:27,270 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 18:54:27,270 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 18:54:27,271 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 18:54:27,271 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 18:54:27,271 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 18:54:27,271 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 18:54:27,271 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 18:54:27,271 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 18:54:27,271 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 18:54:27,271 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 18:54:27,272 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 18:54:27,272 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 18:54:27,272 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 18:54:27,272 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 18:54:27,272 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 18:54:27,272 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 18:54:27,272 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 18:54:27,272 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 18:54:27,272 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 18:54:27,272 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 18:54:27,272 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 18:54:27,273 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 18:54:27,273 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 18:54:27,273 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 18:54:27,273 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 18:54:27,273 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 18:54:27,273 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 18:54:27,273 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 18:54:27,273 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 18:54:27,273 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 18:54:27,273 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 18:54:27,273 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 18:54:27,274 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_6b8ec0be-0671-47f6-80fb-074082a59972/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 -> d72d8b32d23c090e7c4c923093cd0c146af9199e [2018-12-09 18:54:27,293 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 18:54:27,301 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 18:54:27,304 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 18:54:27,305 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 18:54:27,305 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 18:54:27,306 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6b8ec0be-0671-47f6-80fb-074082a59972/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label21_true-unreach-call_false-termination.c [2018-12-09 18:54:27,350 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6b8ec0be-0671-47f6-80fb-074082a59972/bin-2019/utaipan/data/ddd61333a/37d0f1c4b75444c59c86568380e83d60/FLAG25af10f99 [2018-12-09 18:54:27,811 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 18:54:27,811 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6b8ec0be-0671-47f6-80fb-074082a59972/sv-benchmarks/c/eca-rers2012/Problem02_label21_true-unreach-call_false-termination.c [2018-12-09 18:54:27,820 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6b8ec0be-0671-47f6-80fb-074082a59972/bin-2019/utaipan/data/ddd61333a/37d0f1c4b75444c59c86568380e83d60/FLAG25af10f99 [2018-12-09 18:54:27,831 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6b8ec0be-0671-47f6-80fb-074082a59972/bin-2019/utaipan/data/ddd61333a/37d0f1c4b75444c59c86568380e83d60 [2018-12-09 18:54:27,833 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 18:54:27,834 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 18:54:27,834 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 18:54:27,834 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 18:54:27,837 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 18:54:27,838 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:54:27" (1/1) ... [2018-12-09 18:54:27,840 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a1782ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:54:27, skipping insertion in model container [2018-12-09 18:54:27,840 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:54:27" (1/1) ... [2018-12-09 18:54:27,845 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 18:54:27,873 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 18:54:28,041 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 18:54:28,044 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 18:54:28,134 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 18:54:28,143 INFO L195 MainTranslator]: Completed translation [2018-12-09 18:54:28,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:54:28 WrapperNode [2018-12-09 18:54:28,144 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 18:54:28,144 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 18:54:28,144 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 18:54:28,144 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 18:54:28,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:54:28" (1/1) ... [2018-12-09 18:54:28,157 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:54:28" (1/1) ... [2018-12-09 18:54:28,162 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 18:54:28,162 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 18:54:28,162 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 18:54:28,162 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 18:54:28,168 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:54:28" (1/1) ... [2018-12-09 18:54:28,168 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:54:28" (1/1) ... [2018-12-09 18:54:28,170 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:54:28" (1/1) ... [2018-12-09 18:54:28,171 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:54:28" (1/1) ... [2018-12-09 18:54:28,185 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:54:28" (1/1) ... [2018-12-09 18:54:28,192 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:54:28" (1/1) ... [2018-12-09 18:54:28,193 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:54:28" (1/1) ... [2018-12-09 18:54:28,196 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 18:54:28,196 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 18:54:28,196 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 18:54:28,196 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 18:54:28,197 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:54:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6b8ec0be-0671-47f6-80fb-074082a59972/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 18:54:28,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 18:54:28,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 18:54:28,228 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-09 18:54:28,228 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-09 18:54:28,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 18:54:28,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 18:54:28,228 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 18:54:28,228 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 18:54:28,765 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 18:54:28,765 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-09 18:54:28,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:54:28 BoogieIcfgContainer [2018-12-09 18:54:28,766 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 18:54:28,766 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 18:54:28,766 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 18:54:28,768 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 18:54:28,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 06:54:27" (1/3) ... [2018-12-09 18:54:28,768 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ca6ab6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:54:28, skipping insertion in model container [2018-12-09 18:54:28,769 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:54:28" (2/3) ... [2018-12-09 18:54:28,769 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ca6ab6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:54:28, skipping insertion in model container [2018-12-09 18:54:28,769 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:54:28" (3/3) ... [2018-12-09 18:54:28,770 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label21_true-unreach-call_false-termination.c [2018-12-09 18:54:28,776 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 18:54:28,781 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 18:54:28,791 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 18:54:28,811 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 18:54:28,811 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 18:54:28,811 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 18:54:28,811 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 18:54:28,811 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 18:54:28,811 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 18:54:28,811 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 18:54:28,811 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 18:54:28,825 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2018-12-09 18:54:28,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-09 18:54:28,830 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:54:28,831 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] [2018-12-09 18:54:28,832 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:54:28,835 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:54:28,836 INFO L82 PathProgramCache]: Analyzing trace with hash 1487720814, now seen corresponding path program 1 times [2018-12-09 18:54:28,837 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:54:28,866 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:54:28,866 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:54:28,866 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:54:28,866 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:54:28,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:54:29,067 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 18:54:29,068 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:54:29,069 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 18:54:29,069 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:54:29,072 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 18:54:29,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 18:54:29,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 18:54:29,082 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2018-12-09 18:54:29,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:54:29,524 INFO L93 Difference]: Finished difference Result 615 states and 1053 transitions. [2018-12-09 18:54:29,525 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 18:54:29,525 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 102 [2018-12-09 18:54:29,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:54:29,534 INFO L225 Difference]: With dead ends: 615 [2018-12-09 18:54:29,534 INFO L226 Difference]: Without dead ends: 317 [2018-12-09 18:54:29,537 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 18:54:29,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2018-12-09 18:54:29,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 317. [2018-12-09 18:54:29,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 317 states. [2018-12-09 18:54:29,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 478 transitions. [2018-12-09 18:54:29,578 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 478 transitions. Word has length 102 [2018-12-09 18:54:29,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:54:29,578 INFO L480 AbstractCegarLoop]: Abstraction has 317 states and 478 transitions. [2018-12-09 18:54:29,578 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 18:54:29,578 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 478 transitions. [2018-12-09 18:54:29,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-09 18:54:29,582 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:54:29,582 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] [2018-12-09 18:54:29,582 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:54:29,583 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:54:29,583 INFO L82 PathProgramCache]: Analyzing trace with hash 1854436435, now seen corresponding path program 1 times [2018-12-09 18:54:29,583 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:54:29,584 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:54:29,584 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:54:29,584 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:54:29,584 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:54:29,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:54:29,679 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 18:54:29,679 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:54:29,680 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 18:54:29,680 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:54:29,681 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 18:54:29,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 18:54:29,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 18:54:29,682 INFO L87 Difference]: Start difference. First operand 317 states and 478 transitions. Second operand 6 states. [2018-12-09 18:54:29,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:54:29,940 INFO L93 Difference]: Finished difference Result 625 states and 951 transitions. [2018-12-09 18:54:29,940 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 18:54:29,940 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 117 [2018-12-09 18:54:29,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:54:29,943 INFO L225 Difference]: With dead ends: 625 [2018-12-09 18:54:29,943 INFO L226 Difference]: Without dead ends: 314 [2018-12-09 18:54:29,944 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-09 18:54:29,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2018-12-09 18:54:29,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 310. [2018-12-09 18:54:29,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2018-12-09 18:54:29,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 437 transitions. [2018-12-09 18:54:29,958 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 437 transitions. Word has length 117 [2018-12-09 18:54:29,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:54:29,958 INFO L480 AbstractCegarLoop]: Abstraction has 310 states and 437 transitions. [2018-12-09 18:54:29,958 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 18:54:29,958 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 437 transitions. [2018-12-09 18:54:29,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-12-09 18:54:29,960 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:54:29,960 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-09 18:54:29,960 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:54:29,961 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:54:29,961 INFO L82 PathProgramCache]: Analyzing trace with hash -1506178426, now seen corresponding path program 1 times [2018-12-09 18:54:29,961 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:54:29,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:54:29,962 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:54:29,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:54:29,962 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:54:29,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:54:30,047 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:54:30,047 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:54:30,047 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 18:54:30,047 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:54:30,047 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 18:54:30,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 18:54:30,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 18:54:30,048 INFO L87 Difference]: Start difference. First operand 310 states and 437 transitions. Second operand 6 states. [2018-12-09 18:54:30,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:54:30,397 INFO L93 Difference]: Finished difference Result 782 states and 1124 transitions. [2018-12-09 18:54:30,397 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 18:54:30,397 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 124 [2018-12-09 18:54:30,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:54:30,398 INFO L225 Difference]: With dead ends: 782 [2018-12-09 18:54:30,399 INFO L226 Difference]: Without dead ends: 478 [2018-12-09 18:54:30,399 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 18:54:30,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2018-12-09 18:54:30,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 461. [2018-12-09 18:54:30,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 461 states. [2018-12-09 18:54:30,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 632 transitions. [2018-12-09 18:54:30,414 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 632 transitions. Word has length 124 [2018-12-09 18:54:30,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:54:30,414 INFO L480 AbstractCegarLoop]: Abstraction has 461 states and 632 transitions. [2018-12-09 18:54:30,415 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 18:54:30,415 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 632 transitions. [2018-12-09 18:54:30,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-12-09 18:54:30,416 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:54:30,416 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] [2018-12-09 18:54:30,416 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:54:30,416 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:54:30,416 INFO L82 PathProgramCache]: Analyzing trace with hash -683087106, now seen corresponding path program 1 times [2018-12-09 18:54:30,416 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:54:30,417 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:54:30,417 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:54:30,417 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:54:30,417 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:54:30,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:54:30,552 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 18:54:30,552 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:54:30,552 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 18:54:30,552 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:54:30,552 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 18:54:30,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 18:54:30,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-09 18:54:30,553 INFO L87 Difference]: Start difference. First operand 461 states and 632 transitions. Second operand 5 states. [2018-12-09 18:54:30,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:54:30,841 INFO L93 Difference]: Finished difference Result 1004 states and 1402 transitions. [2018-12-09 18:54:30,842 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 18:54:30,842 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 128 [2018-12-09 18:54:30,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:54:30,844 INFO L225 Difference]: With dead ends: 1004 [2018-12-09 18:54:30,844 INFO L226 Difference]: Without dead ends: 461 [2018-12-09 18:54:30,846 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 18:54:30,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2018-12-09 18:54:30,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 461. [2018-12-09 18:54:30,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 461 states. [2018-12-09 18:54:30,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 622 transitions. [2018-12-09 18:54:30,859 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 622 transitions. Word has length 128 [2018-12-09 18:54:30,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:54:30,859 INFO L480 AbstractCegarLoop]: Abstraction has 461 states and 622 transitions. [2018-12-09 18:54:30,860 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 18:54:30,860 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 622 transitions. [2018-12-09 18:54:30,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-12-09 18:54:30,861 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:54:30,862 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, 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] [2018-12-09 18:54:30,862 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:54:30,862 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:54:30,862 INFO L82 PathProgramCache]: Analyzing trace with hash 235752310, now seen corresponding path program 1 times [2018-12-09 18:54:30,862 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:54:30,863 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:54:30,863 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:54:30,863 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:54:30,863 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:54:30,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:54:30,940 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:54:30,940 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:54:30,941 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 18:54:30,941 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:54:30,941 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 18:54:30,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 18:54:30,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 18:54:30,941 INFO L87 Difference]: Start difference. First operand 461 states and 622 transitions. Second operand 6 states. [2018-12-09 18:54:31,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:54:31,336 INFO L93 Difference]: Finished difference Result 1224 states and 1677 transitions. [2018-12-09 18:54:31,336 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 18:54:31,336 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 132 [2018-12-09 18:54:31,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:54:31,339 INFO L225 Difference]: With dead ends: 1224 [2018-12-09 18:54:31,339 INFO L226 Difference]: Without dead ends: 769 [2018-12-09 18:54:31,340 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 18:54:31,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 769 states. [2018-12-09 18:54:31,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 769 to 761. [2018-12-09 18:54:31,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 761 states. [2018-12-09 18:54:31,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 761 states to 761 states and 1004 transitions. [2018-12-09 18:54:31,361 INFO L78 Accepts]: Start accepts. Automaton has 761 states and 1004 transitions. Word has length 132 [2018-12-09 18:54:31,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:54:31,361 INFO L480 AbstractCegarLoop]: Abstraction has 761 states and 1004 transitions. [2018-12-09 18:54:31,361 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 18:54:31,361 INFO L276 IsEmpty]: Start isEmpty. Operand 761 states and 1004 transitions. [2018-12-09 18:54:31,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-12-09 18:54:31,363 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:54:31,363 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-09 18:54:31,364 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:54:31,364 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:54:31,364 INFO L82 PathProgramCache]: Analyzing trace with hash -1280951697, now seen corresponding path program 1 times [2018-12-09 18:54:31,364 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:54:31,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:54:31,365 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:54:31,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:54:31,365 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:54:31,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:54:31,458 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 20 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:54:31,458 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 18:54:31,458 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 18:54:31,459 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 138 with the following transitions: [2018-12-09 18:54:31,460 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], [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], [495], [497], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 18:54:31,491 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 18:54:31,491 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 18:54:31,948 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 18:54:31,949 INFO L272 AbstractInterpreter]: Visited 107 different actions 314 times. Merged at 6 different actions 15 times. Never widened. Performed 3908 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3908 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 18:54:31,957 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:54:31,958 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 18:54:31,958 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 18:54:31,958 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6b8ec0be-0671-47f6-80fb-074082a59972/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 18:54:31,967 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:54:31,967 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 18:54:32,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:54:32,022 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 18:54:32,059 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 18:54:32,059 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 18:54:32,097 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 18:54:32,123 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-09 18:54:32,123 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 10 [2018-12-09 18:54:32,123 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:54:32,124 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 18:54:32,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 18:54:32,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2018-12-09 18:54:32,124 INFO L87 Difference]: Start difference. First operand 761 states and 1004 transitions. Second operand 3 states. [2018-12-09 18:54:32,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:54:32,408 INFO L93 Difference]: Finished difference Result 1665 states and 2208 transitions. [2018-12-09 18:54:32,408 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 18:54:32,408 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 137 [2018-12-09 18:54:32,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:54:32,412 INFO L225 Difference]: With dead ends: 1665 [2018-12-09 18:54:32,412 INFO L226 Difference]: Without dead ends: 910 [2018-12-09 18:54:32,414 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 276 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2018-12-09 18:54:32,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 910 states. [2018-12-09 18:54:32,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 910 to 910. [2018-12-09 18:54:32,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 910 states. [2018-12-09 18:54:32,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 910 states and 1128 transitions. [2018-12-09 18:54:32,439 INFO L78 Accepts]: Start accepts. Automaton has 910 states and 1128 transitions. Word has length 137 [2018-12-09 18:54:32,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:54:32,439 INFO L480 AbstractCegarLoop]: Abstraction has 910 states and 1128 transitions. [2018-12-09 18:54:32,439 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 18:54:32,439 INFO L276 IsEmpty]: Start isEmpty. Operand 910 states and 1128 transitions. [2018-12-09 18:54:32,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-12-09 18:54:32,442 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:54:32,442 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:54:32,443 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:54:32,443 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:54:32,443 INFO L82 PathProgramCache]: Analyzing trace with hash -1284467951, now seen corresponding path program 1 times [2018-12-09 18:54:32,443 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:54:32,444 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:54:32,444 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:54:32,444 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:54:32,444 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:54:32,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:54:32,507 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 38 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:54:32,507 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 18:54:32,507 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 18:54:32,507 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 141 with the following transitions: [2018-12-09 18:54:32,508 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], [107], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [495], [497], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 18:54:32,510 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 18:54:32,510 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 18:54:32,579 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 18:54:32,579 INFO L272 AbstractInterpreter]: Visited 103 different actions 103 times. Never merged. Never widened. Performed 1194 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1194 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 38 variables. [2018-12-09 18:54:32,581 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:54:32,581 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 18:54:32,740 INFO L227 lantSequenceWeakener]: Weakened 131 states. On average, predicates are now at 80.64% of their original sizes. [2018-12-09 18:54:32,740 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 18:54:32,774 INFO L418 sIntCurrentIteration]: We unified 139 AI predicates to 139 [2018-12-09 18:54:32,774 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 18:54:32,774 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 18:54:32,774 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-12-09 18:54:32,774 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:54:32,775 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 18:54:32,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 18:54:32,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 18:54:32,775 INFO L87 Difference]: Start difference. First operand 910 states and 1128 transitions. Second operand 6 states. [2018-12-09 18:54:33,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:54:33,774 INFO L93 Difference]: Finished difference Result 1959 states and 2442 transitions. [2018-12-09 18:54:33,775 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 18:54:33,775 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 140 [2018-12-09 18:54:33,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:54:33,778 INFO L225 Difference]: With dead ends: 1959 [2018-12-09 18:54:33,778 INFO L226 Difference]: Without dead ends: 1055 [2018-12-09 18:54:33,780 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 140 GetRequests, 135 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 18:54:33,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1055 states. [2018-12-09 18:54:33,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1055 to 1054. [2018-12-09 18:54:33,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1054 states. [2018-12-09 18:54:33,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1054 states to 1054 states and 1281 transitions. [2018-12-09 18:54:33,804 INFO L78 Accepts]: Start accepts. Automaton has 1054 states and 1281 transitions. Word has length 140 [2018-12-09 18:54:33,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:54:33,804 INFO L480 AbstractCegarLoop]: Abstraction has 1054 states and 1281 transitions. [2018-12-09 18:54:33,804 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 18:54:33,804 INFO L276 IsEmpty]: Start isEmpty. Operand 1054 states and 1281 transitions. [2018-12-09 18:54:33,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-09 18:54:33,807 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:54:33,807 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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 18:54:33,808 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:54:33,808 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:54:33,808 INFO L82 PathProgramCache]: Analyzing trace with hash 714196470, now seen corresponding path program 1 times [2018-12-09 18:54:33,808 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:54:33,808 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:54:33,809 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:54:33,809 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:54:33,809 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:54:33,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:54:33,888 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 86 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:54:33,888 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 18:54:33,888 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 18:54:33,888 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 167 with the following transitions: [2018-12-09 18:54:33,889 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [107], [108], [112], [116], [120], [123], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [495], [497], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 18:54:33,891 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 18:54:33,891 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 18:54:33,993 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 18:54:33,993 INFO L272 AbstractInterpreter]: Visited 106 different actions 206 times. Merged at 4 different actions 4 times. Never widened. Performed 2422 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2422 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 18:54:33,994 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:54:33,995 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 18:54:34,114 INFO L227 lantSequenceWeakener]: Weakened 163 states. On average, predicates are now at 82.28% of their original sizes. [2018-12-09 18:54:34,114 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 18:54:34,160 INFO L418 sIntCurrentIteration]: We unified 165 AI predicates to 165 [2018-12-09 18:54:34,160 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 18:54:34,161 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 18:54:34,161 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-09 18:54:34,161 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:54:34,161 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 18:54:34,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 18:54:34,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 18:54:34,161 INFO L87 Difference]: Start difference. First operand 1054 states and 1281 transitions. Second operand 10 states. [2018-12-09 18:54:36,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:54:36,291 INFO L93 Difference]: Finished difference Result 2699 states and 3376 transitions. [2018-12-09 18:54:36,291 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-09 18:54:36,291 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 166 [2018-12-09 18:54:36,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:54:36,294 INFO L225 Difference]: With dead ends: 2699 [2018-12-09 18:54:36,294 INFO L226 Difference]: Without dead ends: 1649 [2018-12-09 18:54:36,296 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 174 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-12-09 18:54:36,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1649 states. [2018-12-09 18:54:36,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1649 to 1644. [2018-12-09 18:54:36,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1644 states. [2018-12-09 18:54:36,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1644 states to 1644 states and 1934 transitions. [2018-12-09 18:54:36,344 INFO L78 Accepts]: Start accepts. Automaton has 1644 states and 1934 transitions. Word has length 166 [2018-12-09 18:54:36,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:54:36,344 INFO L480 AbstractCegarLoop]: Abstraction has 1644 states and 1934 transitions. [2018-12-09 18:54:36,344 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 18:54:36,344 INFO L276 IsEmpty]: Start isEmpty. Operand 1644 states and 1934 transitions. [2018-12-09 18:54:36,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-12-09 18:54:36,348 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:54:36,348 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:54:36,348 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:54:36,348 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:54:36,349 INFO L82 PathProgramCache]: Analyzing trace with hash -887976559, now seen corresponding path program 1 times [2018-12-09 18:54:36,349 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:54:36,349 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:54:36,349 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:54:36,349 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:54:36,350 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:54:36,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:54:36,405 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 97 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 18:54:36,405 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 18:54:36,405 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 18:54:36,406 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 175 with the following transitions: [2018-12-09 18:54:36,406 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], [107], [108], [112], [116], [120], [123], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [495], [497], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 18:54:36,408 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 18:54:36,409 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 18:54:36,534 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 18:54:36,535 INFO L272 AbstractInterpreter]: Visited 107 different actions 318 times. Merged at 6 different actions 17 times. Never widened. Performed 3861 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3861 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-12-09 18:54:36,537 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:54:36,537 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 18:54:36,670 INFO L227 lantSequenceWeakener]: Weakened 171 states. On average, predicates are now at 84.09% of their original sizes. [2018-12-09 18:54:36,670 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 18:54:36,719 INFO L418 sIntCurrentIteration]: We unified 173 AI predicates to 173 [2018-12-09 18:54:36,719 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 18:54:36,719 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 18:54:36,719 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-09 18:54:36,719 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:54:36,719 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 18:54:36,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 18:54:36,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 18:54:36,720 INFO L87 Difference]: Start difference. First operand 1644 states and 1934 transitions. Second operand 10 states. [2018-12-09 18:54:38,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:54:38,633 INFO L93 Difference]: Finished difference Result 3610 states and 4432 transitions. [2018-12-09 18:54:38,633 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-09 18:54:38,633 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 174 [2018-12-09 18:54:38,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:54:38,637 INFO L225 Difference]: With dead ends: 3610 [2018-12-09 18:54:38,637 INFO L226 Difference]: Without dead ends: 2408 [2018-12-09 18:54:38,639 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 184 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2018-12-09 18:54:38,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2408 states. [2018-12-09 18:54:38,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2408 to 1947. [2018-12-09 18:54:38,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1947 states. [2018-12-09 18:54:38,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1947 states to 1947 states and 2206 transitions. [2018-12-09 18:54:38,668 INFO L78 Accepts]: Start accepts. Automaton has 1947 states and 2206 transitions. Word has length 174 [2018-12-09 18:54:38,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:54:38,668 INFO L480 AbstractCegarLoop]: Abstraction has 1947 states and 2206 transitions. [2018-12-09 18:54:38,668 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 18:54:38,668 INFO L276 IsEmpty]: Start isEmpty. Operand 1947 states and 2206 transitions. [2018-12-09 18:54:38,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-12-09 18:54:38,672 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:54:38,672 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:54:38,672 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:54:38,672 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:54:38,672 INFO L82 PathProgramCache]: Analyzing trace with hash -768100218, now seen corresponding path program 1 times [2018-12-09 18:54:38,672 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:54:38,673 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:54:38,673 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:54:38,673 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:54:38,673 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:54:38,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:54:38,789 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 70 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:54:38,790 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 18:54:38,790 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 18:54:38,790 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 209 with the following transitions: [2018-12-09 18:54:38,790 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [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], [123], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [324], [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], [495], [497], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 18:54:38,792 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 18:54:38,792 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 18:54:38,954 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 18:54:38,954 INFO L272 AbstractInterpreter]: Visited 107 different actions 314 times. Merged at 6 different actions 15 times. Never widened. Performed 3947 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3947 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 18:54:38,955 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:54:38,955 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 18:54:38,955 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 18:54:38,955 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6b8ec0be-0671-47f6-80fb-074082a59972/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 18:54:38,963 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:54:38,963 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 18:54:38,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:54:39,001 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 18:54:39,023 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-09 18:54:39,023 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 18:54:39,058 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-09 18:54:39,073 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-09 18:54:39,073 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 9 [2018-12-09 18:54:39,073 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:54:39,073 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 18:54:39,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 18:54:39,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-12-09 18:54:39,073 INFO L87 Difference]: Start difference. First operand 1947 states and 2206 transitions. Second operand 3 states. [2018-12-09 18:54:39,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:54:39,332 INFO L93 Difference]: Finished difference Result 3745 states and 4272 transitions. [2018-12-09 18:54:39,333 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 18:54:39,333 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 208 [2018-12-09 18:54:39,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:54:39,333 INFO L225 Difference]: With dead ends: 3745 [2018-12-09 18:54:39,333 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 18:54:39,336 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 427 GetRequests, 416 SyntacticMatches, 4 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-12-09 18:54:39,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 18:54:39,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 18:54:39,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 18:54:39,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 18:54:39,337 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 208 [2018-12-09 18:54:39,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:54:39,337 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 18:54:39,337 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 18:54:39,337 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 18:54:39,337 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 18:54:39,340 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 18:54:39,376 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:54:39,379 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:54:39,381 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:54:39,384 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:54:39,385 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:54:39,386 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:54:39,388 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:54:39,389 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:54:39,390 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:54:39,393 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:54:39,394 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:54:39,395 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:54:39,396 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:54:39,397 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:54:39,399 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:54:39,399 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:54:39,402 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:54:39,405 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:54:39,406 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:54:39,407 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:54:39,408 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:54:39,408 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:54:39,409 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:54:39,410 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:54:39,410 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:54:39,412 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:54:39,414 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:54:39,415 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:54:39,416 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:54:39,937 WARN L180 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 70 [2018-12-09 18:54:40,058 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 18:54:40,059 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a28~0)| ~a28~0) (= |old(~a17~0)| ~a17~0)) [2018-12-09 18:54:40,059 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 18:54:40,059 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 460) no Hoare annotation was computed. [2018-12-09 18:54:40,059 INFO L448 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:54:40,059 INFO L448 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:54:40,059 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:54:40,059 INFO L448 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:54:40,059 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:54:40,059 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-12-09 18:54:40,059 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-12-09 18:54:40,059 INFO L448 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-12-09 18:54:40,059 INFO L448 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-12-09 18:54:40,059 INFO L448 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-12-09 18:54:40,059 INFO L448 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-12-09 18:54:40,059 INFO L448 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-12-09 18:54:40,059 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-12-09 18:54:40,059 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-12-09 18:54:40,059 INFO L448 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-12-09 18:54:40,060 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-12-09 18:54:40,060 INFO L448 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-12-09 18:54:40,060 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-12-09 18:54:40,060 INFO L448 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:54:40,060 INFO L448 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:54:40,060 INFO L448 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:54:40,060 INFO L448 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:54:40,060 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-12-09 18:54:40,060 INFO L448 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:54:40,060 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-12-09 18:54:40,060 INFO L448 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-12-09 18:54:40,060 INFO L448 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-12-09 18:54:40,060 INFO L448 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-12-09 18:54:40,060 INFO L448 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-12-09 18:54:40,060 INFO L448 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-12-09 18:54:40,060 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-12-09 18:54:40,060 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-12-09 18:54:40,060 INFO L448 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-12-09 18:54:40,060 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-12-09 18:54:40,060 INFO L448 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-12-09 18:54:40,060 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-12-09 18:54:40,060 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-12-09 18:54:40,060 INFO L448 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-12-09 18:54:40,060 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-12-09 18:54:40,061 INFO L448 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:54:40,061 INFO L448 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:54:40,061 INFO L448 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:54:40,061 INFO L448 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:54:40,061 INFO L448 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:54:40,061 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-12-09 18:54:40,061 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-12-09 18:54:40,061 INFO L448 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-12-09 18:54:40,061 INFO L448 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-12-09 18:54:40,061 INFO L448 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-12-09 18:54:40,061 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-12-09 18:54:40,061 INFO L448 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-12-09 18:54:40,061 INFO L448 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-12-09 18:54:40,061 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-12-09 18:54:40,061 INFO L448 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-12-09 18:54:40,061 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-12-09 18:54:40,061 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:54:40,061 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:54:40,061 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:54:40,061 INFO L448 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:54:40,061 INFO L448 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:54:40,061 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-12-09 18:54:40,061 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-12-09 18:54:40,061 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-12-09 18:54:40,062 INFO L448 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-12-09 18:54:40,062 INFO L448 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-12-09 18:54:40,062 INFO L448 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-12-09 18:54:40,062 INFO L448 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-12-09 18:54:40,062 INFO L448 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-12-09 18:54:40,062 INFO L448 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-12-09 18:54:40,062 INFO L448 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-12-09 18:54:40,062 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-12-09 18:54:40,062 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-12-09 18:54:40,062 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-12-09 18:54:40,062 INFO L448 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:54:40,062 INFO L448 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:54:40,062 INFO L448 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:54:40,062 INFO L448 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:54:40,062 INFO L448 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:54:40,062 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-12-09 18:54:40,062 INFO L448 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-12-09 18:54:40,062 INFO L448 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-12-09 18:54:40,062 INFO L448 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-12-09 18:54:40,062 INFO L448 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-12-09 18:54:40,062 INFO L448 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-12-09 18:54:40,062 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-12-09 18:54:40,062 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-12-09 18:54:40,062 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-12-09 18:54:40,062 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-12-09 18:54:40,063 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-12-09 18:54:40,063 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-12-09 18:54:40,063 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-12-09 18:54:40,063 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-12-09 18:54:40,063 INFO L448 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-12-09 18:54:40,063 INFO L448 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-12-09 18:54:40,063 INFO L448 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:54:40,063 INFO L448 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:54:40,063 INFO L448 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:54:40,063 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:54:40,063 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-12-09 18:54:40,063 INFO L448 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:54:40,063 INFO L448 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-12-09 18:54:40,063 INFO L448 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:54:40,063 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-12-09 18:54:40,063 INFO L448 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-12-09 18:54:40,063 INFO L448 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-12-09 18:54:40,063 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:54:40,063 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:54:40,063 INFO L448 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-12-09 18:54:40,063 INFO L448 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-12-09 18:54:40,063 INFO L448 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-12-09 18:54:40,063 INFO L448 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-12-09 18:54:40,063 INFO L448 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-12-09 18:54:40,063 INFO L448 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-12-09 18:54:40,063 INFO L448 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-12-09 18:54:40,064 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-12-09 18:54:40,064 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-12-09 18:54:40,064 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-12-09 18:54:40,064 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-12-09 18:54:40,064 INFO L448 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:54:40,064 INFO L448 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:54:40,064 INFO L448 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:54:40,064 INFO L448 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:54:40,064 INFO L448 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:54:40,064 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:54:40,064 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-12-09 18:54:40,064 INFO L448 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-12-09 18:54:40,064 INFO L448 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-12-09 18:54:40,064 INFO L448 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-12-09 18:54:40,064 INFO L448 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-12-09 18:54:40,064 INFO L448 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-12-09 18:54:40,064 INFO L448 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-12-09 18:54:40,064 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-12-09 18:54:40,064 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-12-09 18:54:40,064 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-12-09 18:54:40,064 INFO L448 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-12-09 18:54:40,064 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:54:40,064 INFO L448 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:54:40,064 INFO L448 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:54:40,064 INFO L448 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:54:40,065 INFO L448 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:54:40,065 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:54:40,065 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-12-09 18:54:40,065 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-12-09 18:54:40,065 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-12-09 18:54:40,065 INFO L448 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-12-09 18:54:40,065 INFO L448 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-12-09 18:54:40,065 INFO L448 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-12-09 18:54:40,065 INFO L448 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-12-09 18:54:40,065 INFO L448 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-12-09 18:54:40,065 INFO L448 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-12-09 18:54:40,065 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-12-09 18:54:40,065 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-12-09 18:54:40,065 INFO L448 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-12-09 18:54:40,065 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-12-09 18:54:40,065 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-12-09 18:54:40,065 INFO L448 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:54:40,065 INFO L448 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:54:40,065 INFO L448 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:54:40,066 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse11 (= |old(~a28~0)| ~a28~0)) (.cse12 (= |old(~a17~0)| ~a17~0))) (let ((.cse3 (and .cse11 .cse12)) (.cse13 (= 7 |old(~a17~0)|)) (.cse1 (= 9 |old(~a17~0)|)) (.cse2 (= 11 |old(~a28~0)|)) (.cse9 (not (= 7 |old(~a28~0)|))) (.cse10 (not (= 1 |old(~a25~0)|))) (.cse6 (not (= 0 |old(~a11~0)|))) (.cse0 (not (= 1 ~a21~0))) (.cse4 (not (= 1 |old(~a19~0)|))) (.cse5 (= 0 |old(~a28~0)|)) (.cse7 (not (= 8 |old(~a17~0)|))) (.cse8 (= |calculate_output_#in~input| 0))) (and (or .cse0 (< |old(~a28~0)| 9) .cse1 .cse2 .cse3) (or (or .cse0 .cse4 .cse5) .cse6 .cse7 .cse8 (= ~a11~0 0)) (or .cse0 .cse9 .cse10 .cse4 (not (= 1 |old(~a11~0)|)) (and .cse11 (= 1 ~a11~0) .cse12 (= 1 ~a25~0) (= 1 ~a19~0)) (not .cse13)) (or .cse0 .cse3 .cse13 .cse1 .cse2) (or .cse0 .cse9 (= ~a25~0 0) .cse6 .cse8 .cse4 .cse7 (not (= 0 |old(~a25~0)|))) (or (and .cse11 (= ~a17~0 8)) (or .cse0 .cse4 .cse7 .cse8)) (or .cse8 (= ~a25~0 1) (or .cse0 .cse10 .cse4 .cse6 .cse7 (not (= 9 |old(~a28~0)|)))) (or (or .cse0 .cse4 .cse5 .cse7 .cse8) (= ~a19~0 1))))) [2018-12-09 18:54:40,066 INFO L448 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:54:40,066 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:54:40,066 INFO L448 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:54:40,066 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-12-09 18:54:40,066 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-12-09 18:54:40,066 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-12-09 18:54:40,066 INFO L448 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-12-09 18:54:40,066 INFO L448 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-12-09 18:54:40,066 INFO L448 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-12-09 18:54:40,066 INFO L448 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-12-09 18:54:40,067 INFO L448 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-12-09 18:54:40,067 INFO L448 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-12-09 18:54:40,067 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-12-09 18:54:40,067 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-12-09 18:54:40,067 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-12-09 18:54:40,067 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-12-09 18:54:40,067 INFO L448 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:54:40,067 INFO L448 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:54:40,067 INFO L448 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:54:40,067 INFO L448 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:54:40,067 INFO L448 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:54:40,067 INFO L448 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:54:40,067 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-12-09 18:54:40,067 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-12-09 18:54:40,067 INFO L448 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-12-09 18:54:40,068 INFO L448 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-12-09 18:54:40,068 INFO L448 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-12-09 18:54:40,068 INFO L448 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-12-09 18:54:40,068 INFO L448 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-12-09 18:54:40,068 INFO L448 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-12-09 18:54:40,068 INFO L448 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-12-09 18:54:40,068 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-12-09 18:54:40,068 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-12-09 18:54:40,068 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-12-09 18:54:40,068 INFO L448 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-12-09 18:54:40,068 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-12-09 18:54:40,068 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-12-09 18:54:40,068 INFO L448 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-12-09 18:54:40,068 INFO L448 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:54:40,069 INFO L448 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:54:40,069 INFO L448 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:54:40,069 INFO L448 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:54:40,069 INFO L448 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 18:54:40,069 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-12-09 18:54:40,069 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-12-09 18:54:40,069 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-12-09 18:54:40,069 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-12-09 18:54:40,069 INFO L448 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-12-09 18:54:40,069 INFO L448 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-12-09 18:54:40,069 INFO L448 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-12-09 18:54:40,069 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-12-09 18:54:40,069 INFO L448 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-12-09 18:54:40,069 INFO L448 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-12-09 18:54:40,069 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-12-09 18:54:40,070 INFO L448 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-12-09 18:54:40,070 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-12-09 18:54:40,070 INFO L448 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-12-09 18:54:40,070 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-12-09 18:54:40,070 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-12-09 18:54:40,070 INFO L448 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-12-09 18:54:40,070 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-12-09 18:54:40,070 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-12-09 18:54:40,070 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 18:54:40,070 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 18:54:40,070 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 18:54:40,070 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 18:54:40,071 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)|)) (not (= 0 |old(~a25~0)|)) (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7))) [2018-12-09 18:54:40,071 INFO L444 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse1 (not (= ~a28~0 11))) (.cse0 (not (= ~a17~0 9)))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a11~0)|)) (and (<= 9 ~a28~0) .cse0 .cse1) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (and (= ~a17~0 8) (= ~a19~0 1)) (and (not (= ~a17~0 7)) .cse0 .cse1) (and (= 7 ~a28~0) (= 1 ~a11~0) (= 1 ~a25~0) (= 1 ~a19~0) .cse0) (not (= 0 |old(~a25~0)|)))) [2018-12-09 18:54:40,071 INFO L448 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2018-12-09 18:54:40,071 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-12-09 18:54:40,071 INFO L444 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse1 (not (= ~a28~0 11))) (.cse0 (not (= ~a17~0 9)))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a11~0)|)) (and (<= 9 ~a28~0) .cse0 .cse1) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (and (not (= ~a17~0 7)) .cse0 .cse1) (and (= 7 ~a28~0) (= 1 ~a11~0) (= 1 ~a25~0) (= 1 ~a19~0) .cse0) (and (not (= main_~input~0 0)) (= ~a17~0 8) (= ~a19~0 1)) (not (= 0 |old(~a25~0)|)))) [2018-12-09 18:54:40,071 INFO L448 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-12-09 18:54:40,071 INFO L448 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-12-09 18:54:40,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 06:54:40 BoogieIcfgContainer [2018-12-09 18:54:40,080 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 18:54:40,080 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 18:54:40,080 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 18:54:40,080 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 18:54:40,080 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:54:28" (3/4) ... [2018-12-09 18:54:40,082 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 18:54:40,086 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 18:54:40,086 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-09 18:54:40,086 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 18:54:40,092 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-09 18:54:40,093 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 18:54:40,110 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(1 == a21) || !(7 == \old(a28))) || !(0 == \old(a11))) || ((9 <= a28 && !(a17 == 9)) && !(a28 == 11))) || !(1 == \old(a19))) || !(8 == \old(a17))) || (a17 == 8 && a19 == 1)) || ((!(a17 == 7) && !(a17 == 9)) && !(a28 == 11))) || ((((7 == a28 && 1 == a11) && 1 == a25) && 1 == a19) && !(a17 == 9))) || !(0 == \old(a25)) [2018-12-09 18:54:40,154 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6b8ec0be-0671-47f6-80fb-074082a59972/bin-2019/utaipan/witness.graphml [2018-12-09 18:54:40,154 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 18:54:40,155 INFO L168 Benchmark]: Toolchain (without parser) took 12321.79 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 662.2 MB). Free memory was 950.6 MB in the beginning and 934.6 MB in the end (delta: 16.0 MB). Peak memory consumption was 678.2 MB. Max. memory is 11.5 GB. [2018-12-09 18:54:40,155 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 18:54:40,155 INFO L168 Benchmark]: CACSL2BoogieTranslator took 309.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -185.7 MB). Peak memory consumption was 37.7 MB. Max. memory is 11.5 GB. [2018-12-09 18:54:40,156 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.78 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 18:54:40,156 INFO L168 Benchmark]: Boogie Preprocessor took 33.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-12-09 18:54:40,156 INFO L168 Benchmark]: RCFGBuilder took 569.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 100.2 MB). Peak memory consumption was 100.2 MB. Max. memory is 11.5 GB. [2018-12-09 18:54:40,156 INFO L168 Benchmark]: TraceAbstraction took 11313.64 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 508.6 MB). Free memory was 1.0 GB in the beginning and 950.8 MB in the end (delta: 71.4 MB). Peak memory consumption was 580.0 MB. Max. memory is 11.5 GB. [2018-12-09 18:54:40,156 INFO L168 Benchmark]: Witness Printer took 74.55 ms. Allocated memory is still 1.7 GB. Free memory was 950.8 MB in the beginning and 934.6 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. [2018-12-09 18:54:40,157 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 309.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -185.7 MB). Peak memory consumption was 37.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.78 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 569.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 100.2 MB). Peak memory consumption was 100.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 11313.64 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 508.6 MB). Free memory was 1.0 GB in the beginning and 950.8 MB in the end (delta: 71.4 MB). Peak memory consumption was 580.0 MB. Max. memory is 11.5 GB. * Witness Printer took 74.55 ms. Allocated memory is still 1.7 GB. Free memory was 950.8 MB in the beginning and 934.6 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 460]: 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))) || !(0 == \old(a11))) || ((9 <= a28 && !(a17 == 9)) && !(a28 == 11))) || !(1 == \old(a19))) || !(8 == \old(a17))) || (a17 == 8 && a19 == 1)) || ((!(a17 == 7) && !(a17 == 9)) && !(a28 == 11))) || ((((7 == a28 && 1 == a11) && 1 == a25) && 1 == a19) && !(a17 == 9))) || !(0 == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. SAFE Result, 11.2s OverallTime, 10 OverallIterations, 4 TraceHistogramMax, 7.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 879 SDtfs, 4449 SDslu, 447 SDs, 0 SdLazy, 4700 SolverSat, 944 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.5s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 1251 GetRequests, 1162 SyntacticMatches, 10 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1947occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.9s AbstIntTime, 5 AbstIntIterations, 3 AbstIntStrong, 0.9969653445483025 AbsIntWeakeningRatio, 0.22012578616352202 AbsIntAvgWeakeningVarsNumRemoved, 25.88469601677149 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 496 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 69 PreInvPairs, 104 NumberOfFragments, 442 HoareAnnotationTreeSize, 69 FomulaSimplifications, 6528 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1641 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1773 NumberOfCodeBlocks, 1773 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2104 ConstructedInterpolants, 0 QuantifiedInterpolants, 964088 SizeOfPredicates, 4 NumberOfNonLiveVariables, 858 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 14 InterpolantComputations, 9 PerfectInterpolantSequences, 750/846 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...