./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label22.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_084a6854-c1fb-44cb-9669-377eddd6132c/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_084a6854-c1fb-44cb-9669-377eddd6132c/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_084a6854-c1fb-44cb-9669-377eddd6132c/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_084a6854-c1fb-44cb-9669-377eddd6132c/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label22.c -s /tmp/vcloud-vcloud-master/worker/run_dir_084a6854-c1fb-44cb-9669-377eddd6132c/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_084a6854-c1fb-44cb-9669-377eddd6132c/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 03d2eba0c96e405e42abc242d8ae37d66c66f111 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 11:49:14,218 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 11:49:14,220 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 11:49:14,227 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 11:49:14,227 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 11:49:14,228 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 11:49:14,229 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 11:49:14,230 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 11:49:14,232 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 11:49:14,232 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 11:49:14,233 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 11:49:14,234 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 11:49:14,234 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 11:49:14,234 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 11:49:14,235 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 11:49:14,236 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 11:49:14,236 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 11:49:14,237 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 11:49:14,238 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 11:49:14,240 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 11:49:14,241 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 11:49:14,242 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 11:49:14,242 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 11:49:14,243 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 11:49:14,245 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 11:49:14,245 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 11:49:14,245 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 11:49:14,245 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 11:49:14,246 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 11:49:14,246 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 11:49:14,246 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 11:49:14,247 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 11:49:14,247 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 11:49:14,247 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 11:49:14,248 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 11:49:14,248 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 11:49:14,249 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 11:49:14,249 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 11:49:14,249 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 11:49:14,249 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 11:49:14,250 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 11:49:14,250 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_084a6854-c1fb-44cb-9669-377eddd6132c/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 11:49:14,260 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 11:49:14,260 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 11:49:14,261 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 11:49:14,261 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 11:49:14,261 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 11:49:14,261 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 11:49:14,261 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 11:49:14,261 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 11:49:14,262 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 11:49:14,262 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 11:49:14,262 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 11:49:14,262 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 11:49:14,262 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 11:49:14,262 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 11:49:14,262 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 11:49:14,262 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 11:49:14,263 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 11:49:14,263 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 11:49:14,263 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 11:49:14,263 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 11:49:14,263 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 11:49:14,263 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 11:49:14,263 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 11:49:14,264 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 11:49:14,264 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 11:49:14,264 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 11:49:14,264 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 11:49:14,264 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 11:49:14,264 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 11:49:14,264 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/run_dir_084a6854-c1fb-44cb-9669-377eddd6132c/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03d2eba0c96e405e42abc242d8ae37d66c66f111 [2019-12-07 11:49:14,363 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 11:49:14,372 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 11:49:14,374 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 11:49:14,376 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 11:49:14,376 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 11:49:14,377 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_084a6854-c1fb-44cb-9669-377eddd6132c/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem02_label22.c [2019-12-07 11:49:14,421 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_084a6854-c1fb-44cb-9669-377eddd6132c/bin/uautomizer/data/203bbaa3a/19a484a19a1d475aa38f09bf0b284b19/FLAG875730541 [2019-12-07 11:49:14,881 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 11:49:14,882 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_084a6854-c1fb-44cb-9669-377eddd6132c/sv-benchmarks/c/eca-rers2012/Problem02_label22.c [2019-12-07 11:49:14,891 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_084a6854-c1fb-44cb-9669-377eddd6132c/bin/uautomizer/data/203bbaa3a/19a484a19a1d475aa38f09bf0b284b19/FLAG875730541 [2019-12-07 11:49:14,900 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_084a6854-c1fb-44cb-9669-377eddd6132c/bin/uautomizer/data/203bbaa3a/19a484a19a1d475aa38f09bf0b284b19 [2019-12-07 11:49:14,902 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 11:49:14,903 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 11:49:14,903 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 11:49:14,904 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 11:49:14,906 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 11:49:14,906 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:49:14" (1/1) ... [2019-12-07 11:49:14,908 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6947e074 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:49:14, skipping insertion in model container [2019-12-07 11:49:14,908 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:49:14" (1/1) ... [2019-12-07 11:49:14,913 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 11:49:14,945 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 11:49:15,194 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:49:15,197 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 11:49:15,251 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:49:15,262 INFO L208 MainTranslator]: Completed translation [2019-12-07 11:49:15,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:49:15 WrapperNode [2019-12-07 11:49:15,262 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 11:49:15,263 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 11:49:15,263 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 11:49:15,263 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 11:49:15,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:49:15" (1/1) ... [2019-12-07 11:49:15,281 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:49:15" (1/1) ... [2019-12-07 11:49:15,315 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 11:49:15,315 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 11:49:15,315 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 11:49:15,315 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 11:49:15,321 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:49:15" (1/1) ... [2019-12-07 11:49:15,322 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:49:15" (1/1) ... [2019-12-07 11:49:15,324 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:49:15" (1/1) ... [2019-12-07 11:49:15,324 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:49:15" (1/1) ... [2019-12-07 11:49:15,338 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:49:15" (1/1) ... [2019-12-07 11:49:15,345 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:49:15" (1/1) ... [2019-12-07 11:49:15,350 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:49:15" (1/1) ... [2019-12-07 11:49:15,355 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 11:49:15,355 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 11:49:15,355 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 11:49:15,355 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 11:49:15,356 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:49:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_084a6854-c1fb-44cb-9669-377eddd6132c/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 11:49:15,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 11:49:15,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 11:49:15,981 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 11:49:15,981 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-07 11:49:15,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:49:15 BoogieIcfgContainer [2019-12-07 11:49:15,983 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 11:49:15,983 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 11:49:15,984 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 11:49:15,985 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 11:49:15,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 11:49:14" (1/3) ... [2019-12-07 11:49:15,986 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34a6b170 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 11:49:15, skipping insertion in model container [2019-12-07 11:49:15,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:49:15" (2/3) ... [2019-12-07 11:49:15,987 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34a6b170 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 11:49:15, skipping insertion in model container [2019-12-07 11:49:15,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:49:15" (3/3) ... [2019-12-07 11:49:15,988 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label22.c [2019-12-07 11:49:15,994 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 11:49:16,000 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 11:49:16,007 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 11:49:16,028 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 11:49:16,028 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 11:49:16,028 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 11:49:16,029 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 11:49:16,029 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 11:49:16,029 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 11:49:16,029 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 11:49:16,029 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 11:49:16,047 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2019-12-07 11:49:16,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2019-12-07 11:49:16,055 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:49:16,056 INFO L410 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] [2019-12-07 11:49:16,056 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:49:16,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:49:16,060 INFO L82 PathProgramCache]: Analyzing trace with hash -1473688725, now seen corresponding path program 1 times [2019-12-07 11:49:16,066 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:49:16,067 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342982705] [2019-12-07 11:49:16,067 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:49:16,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:49:16,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:49:16,335 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342982705] [2019-12-07 11:49:16,336 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:49:16,336 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 11:49:16,337 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322716958] [2019-12-07 11:49:16,341 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 11:49:16,342 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:49:16,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 11:49:16,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 11:49:16,353 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 4 states. [2019-12-07 11:49:17,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:49:17,065 INFO L93 Difference]: Finished difference Result 739 states and 1311 transitions. [2019-12-07 11:49:17,065 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 11:49:17,066 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 97 [2019-12-07 11:49:17,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:49:17,078 INFO L225 Difference]: With dead ends: 739 [2019-12-07 11:49:17,078 INFO L226 Difference]: Without dead ends: 445 [2019-12-07 11:49:17,081 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 11:49:17,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2019-12-07 11:49:17,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 445. [2019-12-07 11:49:17,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 445 states. [2019-12-07 11:49:17,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 664 transitions. [2019-12-07 11:49:17,126 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 664 transitions. Word has length 97 [2019-12-07 11:49:17,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:49:17,127 INFO L462 AbstractCegarLoop]: Abstraction has 445 states and 664 transitions. [2019-12-07 11:49:17,127 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 11:49:17,127 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 664 transitions. [2019-12-07 11:49:17,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2019-12-07 11:49:17,132 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:49:17,132 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-12-07 11:49:17,132 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:49:17,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:49:17,133 INFO L82 PathProgramCache]: Analyzing trace with hash -1100128886, now seen corresponding path program 1 times [2019-12-07 11:49:17,133 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:49:17,133 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993212112] [2019-12-07 11:49:17,133 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:49:17,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:49:17,183 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:49:17,183 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993212112] [2019-12-07 11:49:17,184 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:49:17,184 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 11:49:17,184 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525632138] [2019-12-07 11:49:17,185 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 11:49:17,185 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:49:17,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 11:49:17,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 11:49:17,186 INFO L87 Difference]: Start difference. First operand 445 states and 664 transitions. Second operand 4 states. [2019-12-07 11:49:17,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:49:17,641 INFO L93 Difference]: Finished difference Result 1470 states and 2193 transitions. [2019-12-07 11:49:17,641 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 11:49:17,641 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 115 [2019-12-07 11:49:17,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:49:17,646 INFO L225 Difference]: With dead ends: 1470 [2019-12-07 11:49:17,646 INFO L226 Difference]: Without dead ends: 1027 [2019-12-07 11:49:17,648 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 11:49:17,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1027 states. [2019-12-07 11:49:17,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1027 to 729. [2019-12-07 11:49:17,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 729 states. [2019-12-07 11:49:17,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 729 states and 1053 transitions. [2019-12-07 11:49:17,674 INFO L78 Accepts]: Start accepts. Automaton has 729 states and 1053 transitions. Word has length 115 [2019-12-07 11:49:17,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:49:17,674 INFO L462 AbstractCegarLoop]: Abstraction has 729 states and 1053 transitions. [2019-12-07 11:49:17,675 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 11:49:17,675 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 1053 transitions. [2019-12-07 11:49:17,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2019-12-07 11:49:17,677 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:49:17,677 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-12-07 11:49:17,677 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:49:17,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:49:17,677 INFO L82 PathProgramCache]: Analyzing trace with hash -863206337, now seen corresponding path program 1 times [2019-12-07 11:49:17,677 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:49:17,678 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122379808] [2019-12-07 11:49:17,678 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:49:17,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:49:17,746 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:49:17,747 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122379808] [2019-12-07 11:49:17,747 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:49:17,747 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 11:49:17,747 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185390921] [2019-12-07 11:49:17,748 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 11:49:17,748 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:49:17,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 11:49:17,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 11:49:17,748 INFO L87 Difference]: Start difference. First operand 729 states and 1053 transitions. Second operand 4 states. [2019-12-07 11:49:18,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:49:18,336 INFO L93 Difference]: Finished difference Result 2582 states and 3716 transitions. [2019-12-07 11:49:18,336 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 11:49:18,336 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 119 [2019-12-07 11:49:18,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:49:18,343 INFO L225 Difference]: With dead ends: 2582 [2019-12-07 11:49:18,343 INFO L226 Difference]: Without dead ends: 1855 [2019-12-07 11:49:18,344 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 11:49:18,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1855 states. [2019-12-07 11:49:18,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1855 to 1570. [2019-12-07 11:49:18,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1570 states. [2019-12-07 11:49:18,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1570 states to 1570 states and 2141 transitions. [2019-12-07 11:49:18,372 INFO L78 Accepts]: Start accepts. Automaton has 1570 states and 2141 transitions. Word has length 119 [2019-12-07 11:49:18,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:49:18,372 INFO L462 AbstractCegarLoop]: Abstraction has 1570 states and 2141 transitions. [2019-12-07 11:49:18,372 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 11:49:18,372 INFO L276 IsEmpty]: Start isEmpty. Operand 1570 states and 2141 transitions. [2019-12-07 11:49:18,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2019-12-07 11:49:18,374 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:49:18,374 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-12-07 11:49:18,374 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:49:18,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:49:18,375 INFO L82 PathProgramCache]: Analyzing trace with hash -2086608492, now seen corresponding path program 1 times [2019-12-07 11:49:18,375 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:49:18,375 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477069503] [2019-12-07 11:49:18,375 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:49:18,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:49:18,409 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:49:18,410 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477069503] [2019-12-07 11:49:18,410 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:49:18,410 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 11:49:18,410 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838893923] [2019-12-07 11:49:18,410 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 11:49:18,410 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:49:18,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 11:49:18,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 11:49:18,411 INFO L87 Difference]: Start difference. First operand 1570 states and 2141 transitions. Second operand 3 states. [2019-12-07 11:49:18,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:49:18,762 INFO L93 Difference]: Finished difference Result 3840 states and 5193 transitions. [2019-12-07 11:49:18,763 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 11:49:18,763 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 119 [2019-12-07 11:49:18,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:49:18,774 INFO L225 Difference]: With dead ends: 3840 [2019-12-07 11:49:18,775 INFO L226 Difference]: Without dead ends: 2272 [2019-12-07 11:49:18,777 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 11:49:18,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2272 states. [2019-12-07 11:49:18,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2272 to 2272. [2019-12-07 11:49:18,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2272 states. [2019-12-07 11:49:18,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2272 states to 2272 states and 2838 transitions. [2019-12-07 11:49:18,816 INFO L78 Accepts]: Start accepts. Automaton has 2272 states and 2838 transitions. Word has length 119 [2019-12-07 11:49:18,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:49:18,816 INFO L462 AbstractCegarLoop]: Abstraction has 2272 states and 2838 transitions. [2019-12-07 11:49:18,816 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 11:49:18,817 INFO L276 IsEmpty]: Start isEmpty. Operand 2272 states and 2838 transitions. [2019-12-07 11:49:18,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2019-12-07 11:49:18,819 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:49:18,819 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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] [2019-12-07 11:49:18,819 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:49:18,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:49:18,820 INFO L82 PathProgramCache]: Analyzing trace with hash 815056745, now seen corresponding path program 1 times [2019-12-07 11:49:18,820 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:49:18,820 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698228440] [2019-12-07 11:49:18,820 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:49:18,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:49:18,905 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-07 11:49:18,905 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698228440] [2019-12-07 11:49:18,905 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:49:18,906 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 11:49:18,906 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971893802] [2019-12-07 11:49:18,906 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 11:49:18,906 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:49:18,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 11:49:18,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 11:49:18,907 INFO L87 Difference]: Start difference. First operand 2272 states and 2838 transitions. Second operand 3 states. [2019-12-07 11:49:19,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:49:19,252 INFO L93 Difference]: Finished difference Result 5381 states and 6669 transitions. [2019-12-07 11:49:19,252 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 11:49:19,252 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 124 [2019-12-07 11:49:19,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:49:19,261 INFO L225 Difference]: With dead ends: 5381 [2019-12-07 11:49:19,261 INFO L226 Difference]: Without dead ends: 2546 [2019-12-07 11:49:19,264 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 11:49:19,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2546 states. [2019-12-07 11:49:19,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2546 to 2125. [2019-12-07 11:49:19,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2125 states. [2019-12-07 11:49:19,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2125 states to 2125 states and 2479 transitions. [2019-12-07 11:49:19,295 INFO L78 Accepts]: Start accepts. Automaton has 2125 states and 2479 transitions. Word has length 124 [2019-12-07 11:49:19,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:49:19,295 INFO L462 AbstractCegarLoop]: Abstraction has 2125 states and 2479 transitions. [2019-12-07 11:49:19,295 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 11:49:19,295 INFO L276 IsEmpty]: Start isEmpty. Operand 2125 states and 2479 transitions. [2019-12-07 11:49:19,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-12-07 11:49:19,297 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:49:19,297 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:49:19,298 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:49:19,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:49:19,298 INFO L82 PathProgramCache]: Analyzing trace with hash -1644246799, now seen corresponding path program 1 times [2019-12-07 11:49:19,298 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:49:19,298 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135358573] [2019-12-07 11:49:19,298 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:49:19,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:49:19,350 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-07 11:49:19,350 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135358573] [2019-12-07 11:49:19,350 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:49:19,350 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 11:49:19,350 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569032329] [2019-12-07 11:49:19,351 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 11:49:19,351 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:49:19,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 11:49:19,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 11:49:19,351 INFO L87 Difference]: Start difference. First operand 2125 states and 2479 transitions. Second operand 4 states. [2019-12-07 11:49:19,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:49:19,701 INFO L93 Difference]: Finished difference Result 4388 states and 5107 transitions. [2019-12-07 11:49:19,701 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 11:49:19,701 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 135 [2019-12-07 11:49:19,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:49:19,708 INFO L225 Difference]: With dead ends: 4388 [2019-12-07 11:49:19,708 INFO L226 Difference]: Without dead ends: 1985 [2019-12-07 11:49:19,710 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 11:49:19,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1985 states. [2019-12-07 11:49:19,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1985 to 1705. [2019-12-07 11:49:19,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1705 states. [2019-12-07 11:49:19,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1705 states to 1705 states and 1937 transitions. [2019-12-07 11:49:19,732 INFO L78 Accepts]: Start accepts. Automaton has 1705 states and 1937 transitions. Word has length 135 [2019-12-07 11:49:19,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:49:19,733 INFO L462 AbstractCegarLoop]: Abstraction has 1705 states and 1937 transitions. [2019-12-07 11:49:19,733 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 11:49:19,733 INFO L276 IsEmpty]: Start isEmpty. Operand 1705 states and 1937 transitions. [2019-12-07 11:49:19,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2019-12-07 11:49:19,735 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:49:19,735 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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] [2019-12-07 11:49:19,735 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:49:19,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:49:19,735 INFO L82 PathProgramCache]: Analyzing trace with hash 1413147857, now seen corresponding path program 1 times [2019-12-07 11:49:19,735 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:49:19,736 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182622764] [2019-12-07 11:49:19,736 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:49:19,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:49:19,771 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-07 11:49:19,771 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182622764] [2019-12-07 11:49:19,771 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:49:19,771 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 11:49:19,772 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283516219] [2019-12-07 11:49:19,772 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 11:49:19,772 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:49:19,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 11:49:19,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 11:49:19,772 INFO L87 Difference]: Start difference. First operand 1705 states and 1937 transitions. Second operand 3 states. [2019-12-07 11:49:20,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:49:20,038 INFO L93 Difference]: Finished difference Result 3411 states and 3863 transitions. [2019-12-07 11:49:20,038 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 11:49:20,038 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 148 [2019-12-07 11:49:20,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:49:20,043 INFO L225 Difference]: With dead ends: 3411 [2019-12-07 11:49:20,044 INFO L226 Difference]: Without dead ends: 1707 [2019-12-07 11:49:20,045 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 11:49:20,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1707 states. [2019-12-07 11:49:20,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1707 to 1703. [2019-12-07 11:49:20,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1703 states. [2019-12-07 11:49:20,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1703 states to 1703 states and 1867 transitions. [2019-12-07 11:49:20,065 INFO L78 Accepts]: Start accepts. Automaton has 1703 states and 1867 transitions. Word has length 148 [2019-12-07 11:49:20,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:49:20,066 INFO L462 AbstractCegarLoop]: Abstraction has 1703 states and 1867 transitions. [2019-12-07 11:49:20,066 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 11:49:20,066 INFO L276 IsEmpty]: Start isEmpty. Operand 1703 states and 1867 transitions. [2019-12-07 11:49:20,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2019-12-07 11:49:20,069 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:49:20,069 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:49:20,070 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:49:20,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:49:20,070 INFO L82 PathProgramCache]: Analyzing trace with hash 1048373574, now seen corresponding path program 1 times [2019-12-07 11:49:20,070 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:49:20,070 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995370257] [2019-12-07 11:49:20,070 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:49:20,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:49:20,190 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 125 proven. 3 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2019-12-07 11:49:20,191 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995370257] [2019-12-07 11:49:20,191 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [906076983] [2019-12-07 11:49:20,191 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_084a6854-c1fb-44cb-9669-377eddd6132c/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 11:49:20,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:49:20,258 INFO L264 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 11:49:20,266 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:49:20,316 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 220 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-12-07 11:49:20,317 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-12-07 11:49:20,317 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2019-12-07 11:49:20,317 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542143344] [2019-12-07 11:49:20,317 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 11:49:20,317 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:49:20,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 11:49:20,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-12-07 11:49:20,318 INFO L87 Difference]: Start difference. First operand 1703 states and 1867 transitions. Second operand 3 states. [2019-12-07 11:49:20,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:49:20,662 INFO L93 Difference]: Finished difference Result 3818 states and 4177 transitions. [2019-12-07 11:49:20,662 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 11:49:20,662 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 242 [2019-12-07 11:49:20,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:49:20,663 INFO L225 Difference]: With dead ends: 3818 [2019-12-07 11:49:20,663 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 11:49:20,666 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-12-07 11:49:20,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 11:49:20,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 11:49:20,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 11:49:20,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 11:49:20,667 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 242 [2019-12-07 11:49:20,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:49:20,667 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 11:49:20,667 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 11:49:20,667 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 11:49:20,668 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 11:49:20,868 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 11:49:20,870 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 11:49:21,069 WARN L192 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2019-12-07 11:49:21,205 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2019-12-07 11:49:21,207 INFO L246 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:49:21,208 INFO L246 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:49:21,208 INFO L246 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:49:21,208 INFO L246 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-12-07 11:49:21,208 INFO L246 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2019-12-07 11:49:21,208 INFO L246 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2019-12-07 11:49:21,208 INFO L246 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2019-12-07 11:49:21,208 INFO L246 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-12-07 11:49:21,208 INFO L246 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-12-07 11:49:21,208 INFO L246 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-12-07 11:49:21,208 INFO L246 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:49:21,209 INFO L246 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:49:21,209 INFO L246 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:49:21,209 INFO L246 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-12-07 11:49:21,209 INFO L246 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2019-12-07 11:49:21,209 INFO L246 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2019-12-07 11:49:21,209 INFO L246 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2019-12-07 11:49:21,209 INFO L246 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2019-12-07 11:49:21,209 INFO L246 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2019-12-07 11:49:21,209 INFO L246 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-12-07 11:49:21,209 INFO L246 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:49:21,210 INFO L246 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:49:21,210 INFO L246 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:49:21,210 INFO L246 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-12-07 11:49:21,210 INFO L246 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2019-12-07 11:49:21,210 INFO L246 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2019-12-07 11:49:21,210 INFO L246 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2019-12-07 11:49:21,210 INFO L246 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-12-07 11:49:21,210 INFO L246 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:49:21,210 INFO L246 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:49:21,210 INFO L246 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:49:21,210 INFO L246 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-12-07 11:49:21,210 INFO L246 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-12-07 11:49:21,210 INFO L246 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2019-12-07 11:49:21,210 INFO L246 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2019-12-07 11:49:21,211 INFO L246 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2019-12-07 11:49:21,211 INFO L246 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-12-07 11:49:21,211 INFO L246 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-12-07 11:49:21,211 INFO L246 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-12-07 11:49:21,211 INFO L246 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:49:21,211 INFO L246 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:49:21,211 INFO L246 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:49:21,211 INFO L246 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-12-07 11:49:21,211 INFO L246 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2019-12-07 11:49:21,211 INFO L246 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2019-12-07 11:49:21,211 INFO L246 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2019-12-07 11:49:21,211 INFO L246 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-12-07 11:49:21,211 INFO L246 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-12-07 11:49:21,211 INFO L246 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-12-07 11:49:21,212 INFO L246 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-12-07 11:49:21,212 INFO L246 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:49:21,212 INFO L246 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:49:21,212 INFO L246 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:49:21,212 INFO L246 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2019-12-07 11:49:21,212 INFO L246 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2019-12-07 11:49:21,212 INFO L246 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2019-12-07 11:49:21,212 INFO L246 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2019-12-07 11:49:21,212 INFO L246 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2019-12-07 11:49:21,212 INFO L246 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2019-12-07 11:49:21,213 INFO L246 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2019-12-07 11:49:21,213 INFO L246 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-12-07 11:49:21,213 INFO L246 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-12-07 11:49:21,213 INFO L246 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:49:21,213 INFO L246 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:49:21,213 INFO L246 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:49:21,213 INFO L246 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-12-07 11:49:21,213 INFO L246 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2019-12-07 11:49:21,213 INFO L246 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2019-12-07 11:49:21,213 INFO L246 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2019-12-07 11:49:21,213 INFO L246 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-12-07 11:49:21,214 INFO L246 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-12-07 11:49:21,214 INFO L246 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:49:21,214 INFO L246 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:49:21,214 INFO L246 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:49:21,214 INFO L246 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-12-07 11:49:21,214 INFO L246 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-12-07 11:49:21,214 INFO L246 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2019-12-07 11:49:21,214 INFO L246 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2019-12-07 11:49:21,214 INFO L246 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2019-12-07 11:49:21,214 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 11:49:21,214 INFO L246 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-12-07 11:49:21,215 INFO L246 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-12-07 11:49:21,215 INFO L246 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-12-07 11:49:21,215 INFO L246 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:49:21,215 INFO L246 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:49:21,215 INFO L246 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:49:21,215 INFO L246 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2019-12-07 11:49:21,215 INFO L246 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2019-12-07 11:49:21,215 INFO L246 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2019-12-07 11:49:21,215 INFO L246 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-12-07 11:49:21,215 INFO L246 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-12-07 11:49:21,215 INFO L246 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:49:21,215 INFO L246 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:49:21,216 INFO L246 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:49:21,216 INFO L246 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-12-07 11:49:21,216 INFO L246 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2019-12-07 11:49:21,216 INFO L246 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2019-12-07 11:49:21,216 INFO L246 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2019-12-07 11:49:21,216 INFO L246 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-12-07 11:49:21,216 INFO L246 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-12-07 11:49:21,216 INFO L246 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2019-12-07 11:49:21,216 INFO L246 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2019-12-07 11:49:21,216 INFO L246 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-12-07 11:49:21,216 INFO L246 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-12-07 11:49:21,216 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 11:49:21,216 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 463) no Hoare annotation was computed. [2019-12-07 11:49:21,216 INFO L246 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2019-12-07 11:49:21,216 INFO L246 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:49:21,216 INFO L246 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:49:21,216 INFO L246 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-12-07 11:49:21,216 INFO L246 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2019-12-07 11:49:21,217 INFO L246 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2019-12-07 11:49:21,217 INFO L246 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2019-12-07 11:49:21,217 INFO L246 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-12-07 11:49:21,217 INFO L246 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-12-07 11:49:21,217 INFO L246 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2019-12-07 11:49:21,217 INFO L246 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2019-12-07 11:49:21,217 INFO L246 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-12-07 11:49:21,217 INFO L242 CegarLoopResult]: At program point L597(lines 29 598) the Hoare annotation is: (let ((.cse5 (= ~a25~0 1))) (let ((.cse4 (not (= ~a28~0 11))) (.cse8 (not .cse5)) (.cse3 (= ~a19~0 1)) (.cse6 (= ~a11~0 1))) (let ((.cse1 (<= 10 ~a28~0)) (.cse2 (= ~a17~0 8)) (.cse0 (or (and .cse8 .cse6 .cse4) (and .cse8 .cse3 .cse6))) (.cse9 (= ~a28~0 9)) (.cse7 (<= ~a19~0 0))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse4) (and .cse1 .cse3 .cse5) (and .cse3 .cse6 .cse5) (and .cse7 .cse8 .cse2) (and .cse7 .cse2 .cse4) (and .cse9 .cse2 .cse6) (and .cse8 .cse2 .cse6 .cse4) (and .cse0 .cse7) (and .cse9 .cse7))))) [2019-12-07 11:49:21,217 INFO L246 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:49:21,217 INFO L246 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:49:21,218 INFO L246 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-12-07 11:49:21,218 INFO L246 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2019-12-07 11:49:21,218 INFO L246 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2019-12-07 11:49:21,218 INFO L246 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-12-07 11:49:21,218 INFO L246 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2019-12-07 11:49:21,218 INFO L246 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2019-12-07 11:49:21,218 INFO L249 CegarLoopResult]: At program point L600(lines 600 617) the Hoare annotation is: true [2019-12-07 11:49:21,218 INFO L246 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:49:21,218 INFO L246 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:49:21,218 INFO L246 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-12-07 11:49:21,218 INFO L246 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2019-12-07 11:49:21,218 INFO L246 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2019-12-07 11:49:21,218 INFO L246 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-12-07 11:49:21,219 INFO L246 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-12-07 11:49:21,219 INFO L246 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-12-07 11:49:21,219 INFO L246 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2019-12-07 11:49:21,219 INFO L246 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2019-12-07 11:49:21,219 INFO L246 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-12-07 11:49:21,219 INFO L246 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:49:21,219 INFO L246 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:49:21,219 INFO L246 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2019-12-07 11:49:21,219 INFO L246 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2019-12-07 11:49:21,219 INFO L246 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2019-12-07 11:49:21,219 INFO L246 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2019-12-07 11:49:21,219 INFO L246 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-12-07 11:49:21,219 INFO L246 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-12-07 11:49:21,219 INFO L242 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse5 (= ~a25~0 1))) (let ((.cse4 (not (= ~a28~0 11))) (.cse8 (not .cse5)) (.cse3 (= ~a19~0 1)) (.cse6 (= ~a11~0 1))) (let ((.cse1 (<= 10 ~a28~0)) (.cse2 (= ~a17~0 8)) (.cse0 (or (and .cse8 .cse6 .cse4) (and .cse8 .cse3 .cse6))) (.cse9 (= ~a28~0 9)) (.cse7 (<= ~a19~0 0))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse4) (and .cse1 .cse3 .cse5) (and .cse3 .cse6 .cse5) (and .cse7 .cse8 .cse2) (and .cse7 .cse2 .cse4) (and .cse9 .cse2 .cse6) (and .cse8 .cse2 .cse6 .cse4) (and .cse0 .cse7) (and .cse9 .cse7))))) [2019-12-07 11:49:21,219 INFO L246 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:49:21,219 INFO L246 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:49:21,219 INFO L246 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-12-07 11:49:21,220 INFO L246 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2019-12-07 11:49:21,220 INFO L246 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2019-12-07 11:49:21,220 INFO L246 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-12-07 11:49:21,220 INFO L246 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-12-07 11:49:21,220 INFO L246 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:49:21,220 INFO L246 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:49:21,220 INFO L246 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2019-12-07 11:49:21,220 INFO L246 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2019-12-07 11:49:21,220 INFO L246 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-12-07 11:49:21,220 INFO L246 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-12-07 11:49:21,220 INFO L246 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-12-07 11:49:21,220 INFO L246 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2019-12-07 11:49:21,220 INFO L246 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-12-07 11:49:21,220 INFO L246 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2019-12-07 11:49:21,220 INFO L246 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2019-12-07 11:49:21,220 INFO L246 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:49:21,220 INFO L246 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:49:21,220 INFO L246 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2019-12-07 11:49:21,220 INFO L246 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:49:21,220 INFO L246 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2019-12-07 11:49:21,221 INFO L246 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2019-12-07 11:49:21,221 INFO L246 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2019-12-07 11:49:21,221 INFO L246 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-12-07 11:49:21,221 INFO L246 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-12-07 11:49:21,221 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 11:49:21,221 INFO L246 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-12-07 11:49:21,221 INFO L246 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:49:21,221 INFO L246 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:49:21,221 INFO L246 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:49:21,221 INFO L246 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2019-12-07 11:49:21,221 INFO L246 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2019-12-07 11:49:21,221 INFO L246 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2019-12-07 11:49:21,221 INFO L246 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-12-07 11:49:21,221 INFO L246 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-12-07 11:49:21,221 INFO L246 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:49:21,221 INFO L246 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:49:21,221 INFO L246 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:49:21,221 INFO L246 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-12-07 11:49:21,222 INFO L246 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2019-12-07 11:49:21,222 INFO L246 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2019-12-07 11:49:21,222 INFO L246 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2019-12-07 11:49:21,222 INFO L246 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-12-07 11:49:21,222 INFO L246 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-12-07 11:49:21,222 INFO L246 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:49:21,222 INFO L246 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:49:21,222 INFO L246 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:49:21,222 INFO L246 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-12-07 11:49:21,222 INFO L246 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-12-07 11:49:21,222 INFO L246 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-12-07 11:49:21,222 INFO L246 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2019-12-07 11:49:21,223 INFO L246 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2019-12-07 11:49:21,223 INFO L246 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2019-12-07 11:49:21,223 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 11:49:21,223 INFO L246 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-12-07 11:49:21,223 INFO L246 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-12-07 11:49:21,223 INFO L246 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:49:21,223 INFO L246 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:49:21,223 INFO L246 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:49:21,223 INFO L246 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-12-07 11:49:21,223 INFO L246 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2019-12-07 11:49:21,223 INFO L246 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2019-12-07 11:49:21,223 INFO L246 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2019-12-07 11:49:21,223 INFO L246 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-12-07 11:49:21,223 INFO L246 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:49:21,223 INFO L246 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:49:21,223 INFO L246 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:49:21,223 INFO L246 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-12-07 11:49:21,223 INFO L246 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-12-07 11:49:21,223 INFO L246 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-12-07 11:49:21,224 INFO L246 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2019-12-07 11:49:21,224 INFO L246 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2019-12-07 11:49:21,224 INFO L246 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2019-12-07 11:49:21,224 INFO L246 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2019-12-07 11:49:21,224 INFO L246 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-12-07 11:49:21,224 INFO L246 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2019-12-07 11:49:21,224 INFO L246 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-12-07 11:49:21,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 11:49:21 BoogieIcfgContainer [2019-12-07 11:49:21,243 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 11:49:21,244 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 11:49:21,244 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 11:49:21,244 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 11:49:21,244 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:49:15" (3/4) ... [2019-12-07 11:49:21,248 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 11:49:21,265 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-12-07 11:49:21,266 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 11:49:21,360 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_084a6854-c1fb-44cb-9669-377eddd6132c/bin/uautomizer/witness.graphml [2019-12-07 11:49:21,360 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 11:49:21,361 INFO L168 Benchmark]: Toolchain (without parser) took 6458.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 206.6 MB). Free memory was 938.1 MB in the beginning and 1.1 GB in the end (delta: -161.8 MB). Peak memory consumption was 44.8 MB. Max. memory is 11.5 GB. [2019-12-07 11:49:21,361 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:49:21,362 INFO L168 Benchmark]: CACSL2BoogieTranslator took 359.07 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 85.5 MB). Free memory was 938.1 MB in the beginning and 1.1 GB in the end (delta: -120.2 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. [2019-12-07 11:49:21,362 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.01 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 11:49:21,362 INFO L168 Benchmark]: Boogie Preprocessor took 40.00 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 11:49:21,362 INFO L168 Benchmark]: RCFGBuilder took 627.54 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 942.2 MB in the end (delta: 105.4 MB). Peak memory consumption was 105.4 MB. Max. memory is 11.5 GB. [2019-12-07 11:49:21,362 INFO L168 Benchmark]: TraceAbstraction took 5259.83 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 942.2 MB in the beginning and 1.1 GB in the end (delta: -184.6 MB). Peak memory consumption was 275.9 MB. Max. memory is 11.5 GB. [2019-12-07 11:49:21,363 INFO L168 Benchmark]: Witness Printer took 116.44 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: 26.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. [2019-12-07 11:49:21,364 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 359.07 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 85.5 MB). Free memory was 938.1 MB in the beginning and 1.1 GB in the end (delta: -120.2 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 52.01 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.00 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 627.54 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 942.2 MB in the end (delta: 105.4 MB). Peak memory consumption was 105.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5259.83 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 942.2 MB in the beginning and 1.1 GB in the end (delta: -184.6 MB). Peak memory consumption was 275.9 MB. Max. memory is 11.5 GB. * Witness Printer took 116.44 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: 26.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 463]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((((((((!(a25 == 1) && a11 == 1) && !(a28 == 11)) || ((!(a25 == 1) && a19 == 1) && a11 == 1)) && 10 <= a28) || ((a17 == 8 && a19 == 1) && !(a28 == 11))) || ((10 <= a28 && a19 == 1) && a25 == 1)) || ((a19 == 1 && a11 == 1) && a25 == 1)) || ((a19 <= 0 && !(a25 == 1)) && a17 == 8)) || ((a19 <= 0 && a17 == 8) && !(a28 == 11))) || ((a28 == 9 && a17 == 8) && a11 == 1)) || (((!(a25 == 1) && a17 == 8) && a11 == 1) && !(a28 == 11))) || ((((!(a25 == 1) && a11 == 1) && !(a28 == 11)) || ((!(a25 == 1) && a19 == 1) && a11 == 1)) && a19 <= 0)) || (a28 == 9 && a19 <= 0) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((((((((((((!(a25 == 1) && a11 == 1) && !(a28 == 11)) || ((!(a25 == 1) && a19 == 1) && a11 == 1)) && 10 <= a28) || ((a17 == 8 && a19 == 1) && !(a28 == 11))) || ((10 <= a28 && a19 == 1) && a25 == 1)) || ((a19 == 1 && a11 == 1) && a25 == 1)) || ((a19 <= 0 && !(a25 == 1)) && a17 == 8)) || ((a19 <= 0 && a17 == 8) && !(a28 == 11))) || ((a28 == 9 && a17 == 8) && a11 == 1)) || (((!(a25 == 1) && a17 == 8) && a11 == 1) && !(a28 == 11))) || ((((!(a25 == 1) && a11 == 1) && !(a28 == 11)) || ((!(a25 == 1) && a19 == 1) && a11 == 1)) && a19 <= 0)) || (a28 == 9 && a19 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 1 error locations. Result: SAFE, OverallTime: 4.8s, OverallIterations: 8, TraceHistogramMax: 5, AutomataDifference: 3.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 1152 SDtfs, 1603 SDslu, 214 SDs, 0 SdLazy, 4086 SolverSat, 774 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 272 GetRequests, 252 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2272occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 1288 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 48 NumberOfFragments, 285 HoareAnnotationTreeSize, 3 FomulaSimplifications, 636 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 316 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 1341 NumberOfCodeBlocks, 1341 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1332 ConstructedInterpolants, 0 QuantifiedInterpolants, 433376 SizeOfPredicates, 1 NumberOfNonLiveVariables, 406 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 770/773 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...