./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label20.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_37bc0b7c-f756-4b40-95ea-e489f77e3741/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_37bc0b7c-f756-4b40-95ea-e489f77e3741/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_37bc0b7c-f756-4b40-95ea-e489f77e3741/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_37bc0b7c-f756-4b40-95ea-e489f77e3741/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label20.c -s /tmp/vcloud-vcloud-master/worker/run_dir_37bc0b7c-f756-4b40-95ea-e489f77e3741/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_37bc0b7c-f756-4b40-95ea-e489f77e3741/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 5360c3d4aebe9582cd01259f723ea710f280bf1f ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:55:37,172 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 17:55:37,174 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 17:55:37,183 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 17:55:37,183 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 17:55:37,184 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 17:55:37,185 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 17:55:37,186 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 17:55:37,187 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 17:55:37,188 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 17:55:37,189 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 17:55:37,189 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 17:55:37,190 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 17:55:37,190 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 17:55:37,191 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 17:55:37,192 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 17:55:37,192 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 17:55:37,193 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 17:55:37,194 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 17:55:37,196 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 17:55:37,197 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 17:55:37,198 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 17:55:37,199 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 17:55:37,199 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 17:55:37,201 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 17:55:37,201 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 17:55:37,201 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 17:55:37,202 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 17:55:37,202 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 17:55:37,203 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 17:55:37,203 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 17:55:37,203 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 17:55:37,204 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 17:55:37,204 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 17:55:37,205 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 17:55:37,205 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 17:55:37,205 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 17:55:37,205 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 17:55:37,205 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 17:55:37,206 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 17:55:37,206 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 17:55:37,207 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_37bc0b7c-f756-4b40-95ea-e489f77e3741/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 17:55:37,216 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 17:55:37,216 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 17:55:37,217 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 17:55:37,217 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 17:55:37,217 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 17:55:37,217 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 17:55:37,217 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 17:55:37,217 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 17:55:37,217 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 17:55:37,217 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 17:55:37,218 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 17:55:37,218 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 17:55:37,218 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 17:55:37,218 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 17:55:37,218 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 17:55:37,218 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 17:55:37,218 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 17:55:37,218 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 17:55:37,218 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 17:55:37,219 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 17:55:37,219 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 17:55:37,219 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 17:55:37,219 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 17:55:37,219 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 17:55:37,219 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 17:55:37,219 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 17:55:37,219 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 17:55:37,219 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 17:55:37,220 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 17:55:37,220 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_37bc0b7c-f756-4b40-95ea-e489f77e3741/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 -> 5360c3d4aebe9582cd01259f723ea710f280bf1f [2019-12-07 17:55:37,321 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 17:55:37,331 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 17:55:37,334 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 17:55:37,335 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 17:55:37,335 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 17:55:37,336 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_37bc0b7c-f756-4b40-95ea-e489f77e3741/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem02_label20.c [2019-12-07 17:55:37,383 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_37bc0b7c-f756-4b40-95ea-e489f77e3741/bin/uautomizer/data/61c8caaa0/7fa3e65a11f447b49c1dc0361d132f35/FLAGc180c4bae [2019-12-07 17:55:37,799 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 17:55:37,800 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_37bc0b7c-f756-4b40-95ea-e489f77e3741/sv-benchmarks/c/eca-rers2012/Problem02_label20.c [2019-12-07 17:55:37,808 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_37bc0b7c-f756-4b40-95ea-e489f77e3741/bin/uautomizer/data/61c8caaa0/7fa3e65a11f447b49c1dc0361d132f35/FLAGc180c4bae [2019-12-07 17:55:37,817 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_37bc0b7c-f756-4b40-95ea-e489f77e3741/bin/uautomizer/data/61c8caaa0/7fa3e65a11f447b49c1dc0361d132f35 [2019-12-07 17:55:37,819 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 17:55:37,820 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 17:55:37,820 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 17:55:37,820 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 17:55:37,822 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 17:55:37,823 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:55:37" (1/1) ... [2019-12-07 17:55:37,825 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@114fa10b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:55:37, skipping insertion in model container [2019-12-07 17:55:37,825 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:55:37" (1/1) ... [2019-12-07 17:55:37,829 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 17:55:37,859 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 17:55:38,098 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:55:38,101 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 17:55:38,151 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:55:38,162 INFO L208 MainTranslator]: Completed translation [2019-12-07 17:55:38,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:55:38 WrapperNode [2019-12-07 17:55:38,162 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 17:55:38,162 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 17:55:38,163 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 17:55:38,163 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 17:55:38,168 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:55:38" (1/1) ... [2019-12-07 17:55:38,180 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:55:38" (1/1) ... [2019-12-07 17:55:38,211 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 17:55:38,212 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 17:55:38,212 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 17:55:38,212 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 17:55:38,218 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:55:38" (1/1) ... [2019-12-07 17:55:38,218 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:55:38" (1/1) ... [2019-12-07 17:55:38,221 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:55:38" (1/1) ... [2019-12-07 17:55:38,221 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:55:38" (1/1) ... [2019-12-07 17:55:38,235 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:55:38" (1/1) ... [2019-12-07 17:55:38,243 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:55:38" (1/1) ... [2019-12-07 17:55:38,247 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:55:38" (1/1) ... [2019-12-07 17:55:38,251 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 17:55:38,252 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 17:55:38,252 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 17:55:38,252 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 17:55:38,253 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:55:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_37bc0b7c-f756-4b40-95ea-e489f77e3741/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 17:55:38,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 17:55:38,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 17:55:38,901 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 17:55:38,902 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-07 17:55:38,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:55:38 BoogieIcfgContainer [2019-12-07 17:55:38,903 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 17:55:38,903 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 17:55:38,903 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 17:55:38,905 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 17:55:38,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 05:55:37" (1/3) ... [2019-12-07 17:55:38,906 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@efacb54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:55:38, skipping insertion in model container [2019-12-07 17:55:38,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:55:38" (2/3) ... [2019-12-07 17:55:38,907 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@efacb54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:55:38, skipping insertion in model container [2019-12-07 17:55:38,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:55:38" (3/3) ... [2019-12-07 17:55:38,908 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label20.c [2019-12-07 17:55:38,915 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 17:55:38,920 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 17:55:38,927 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 17:55:38,944 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 17:55:38,944 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 17:55:38,944 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 17:55:38,944 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 17:55:38,944 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 17:55:38,944 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 17:55:38,945 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 17:55:38,945 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 17:55:38,959 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2019-12-07 17:55:38,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-12-07 17:55:38,966 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:55:38,967 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, 1, 1] [2019-12-07 17:55:38,967 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:55:38,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:55:38,971 INFO L82 PathProgramCache]: Analyzing trace with hash 1124491187, now seen corresponding path program 1 times [2019-12-07 17:55:38,977 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:55:38,977 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549699589] [2019-12-07 17:55:38,978 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:55:39,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:55:39,224 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 17:55:39,225 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549699589] [2019-12-07 17:55:39,225 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:55:39,225 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 17:55:39,227 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621525657] [2019-12-07 17:55:39,230 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 17:55:39,230 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:55:39,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 17:55:39,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 17:55:39,241 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 4 states. [2019-12-07 17:55:39,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:55:39,950 INFO L93 Difference]: Finished difference Result 739 states and 1311 transitions. [2019-12-07 17:55:39,950 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 17:55:39,951 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 99 [2019-12-07 17:55:39,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:55:39,965 INFO L225 Difference]: With dead ends: 739 [2019-12-07 17:55:39,965 INFO L226 Difference]: Without dead ends: 445 [2019-12-07 17:55:39,968 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 17:55:39,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2019-12-07 17:55:40,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 445. [2019-12-07 17:55:40,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 445 states. [2019-12-07 17:55:40,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 664 transitions. [2019-12-07 17:55:40,017 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 664 transitions. Word has length 99 [2019-12-07 17:55:40,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:55:40,018 INFO L462 AbstractCegarLoop]: Abstraction has 445 states and 664 transitions. [2019-12-07 17:55:40,018 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 17:55:40,018 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 664 transitions. [2019-12-07 17:55:40,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2019-12-07 17:55:40,024 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:55:40,024 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, 1, 1] [2019-12-07 17:55:40,024 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:55:40,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:55:40,025 INFO L82 PathProgramCache]: Analyzing trace with hash -661756398, now seen corresponding path program 1 times [2019-12-07 17:55:40,025 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:55:40,025 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418040876] [2019-12-07 17:55:40,026 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:55:40,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:55:40,096 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 17:55:40,097 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418040876] [2019-12-07 17:55:40,097 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:55:40,097 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 17:55:40,097 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390917548] [2019-12-07 17:55:40,099 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 17:55:40,099 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:55:40,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 17:55:40,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 17:55:40,100 INFO L87 Difference]: Start difference. First operand 445 states and 664 transitions. Second operand 4 states. [2019-12-07 17:55:40,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:55:40,571 INFO L93 Difference]: Finished difference Result 1470 states and 2193 transitions. [2019-12-07 17:55:40,571 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 17:55:40,571 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 117 [2019-12-07 17:55:40,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:55:40,575 INFO L225 Difference]: With dead ends: 1470 [2019-12-07 17:55:40,575 INFO L226 Difference]: Without dead ends: 1027 [2019-12-07 17:55:40,577 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 17:55:40,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1027 states. [2019-12-07 17:55:40,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1027 to 729. [2019-12-07 17:55:40,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 729 states. [2019-12-07 17:55:40,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 729 states and 1053 transitions. [2019-12-07 17:55:40,608 INFO L78 Accepts]: Start accepts. Automaton has 729 states and 1053 transitions. Word has length 117 [2019-12-07 17:55:40,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:55:40,609 INFO L462 AbstractCegarLoop]: Abstraction has 729 states and 1053 transitions. [2019-12-07 17:55:40,609 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 17:55:40,609 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 1053 transitions. [2019-12-07 17:55:40,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2019-12-07 17:55:40,612 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:55:40,612 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, 1, 1] [2019-12-07 17:55:40,613 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:55:40,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:55:40,613 INFO L82 PathProgramCache]: Analyzing trace with hash -612453497, now seen corresponding path program 1 times [2019-12-07 17:55:40,613 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:55:40,613 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831686208] [2019-12-07 17:55:40,613 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:55:40,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:55:40,663 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 17:55:40,663 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831686208] [2019-12-07 17:55:40,663 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:55:40,663 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 17:55:40,664 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813140481] [2019-12-07 17:55:40,664 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 17:55:40,664 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:55:40,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 17:55:40,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 17:55:40,665 INFO L87 Difference]: Start difference. First operand 729 states and 1053 transitions. Second operand 4 states. [2019-12-07 17:55:41,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:55:41,252 INFO L93 Difference]: Finished difference Result 2582 states and 3716 transitions. [2019-12-07 17:55:41,252 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 17:55:41,252 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 121 [2019-12-07 17:55:41,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:55:41,259 INFO L225 Difference]: With dead ends: 2582 [2019-12-07 17:55:41,259 INFO L226 Difference]: Without dead ends: 1855 [2019-12-07 17:55:41,261 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 17:55:41,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1855 states. [2019-12-07 17:55:41,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1855 to 1570. [2019-12-07 17:55:41,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1570 states. [2019-12-07 17:55:41,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1570 states to 1570 states and 2141 transitions. [2019-12-07 17:55:41,290 INFO L78 Accepts]: Start accepts. Automaton has 1570 states and 2141 transitions. Word has length 121 [2019-12-07 17:55:41,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:55:41,290 INFO L462 AbstractCegarLoop]: Abstraction has 1570 states and 2141 transitions. [2019-12-07 17:55:41,290 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 17:55:41,290 INFO L276 IsEmpty]: Start isEmpty. Operand 1570 states and 2141 transitions. [2019-12-07 17:55:41,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2019-12-07 17:55:41,292 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:55:41,292 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, 1, 1] [2019-12-07 17:55:41,292 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:55:41,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:55:41,293 INFO L82 PathProgramCache]: Analyzing trace with hash 519114652, now seen corresponding path program 1 times [2019-12-07 17:55:41,293 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:55:41,293 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143116274] [2019-12-07 17:55:41,293 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:55:41,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:55:41,326 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 17:55:41,326 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143116274] [2019-12-07 17:55:41,327 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:55:41,327 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 17:55:41,327 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651289943] [2019-12-07 17:55:41,327 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 17:55:41,327 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:55:41,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 17:55:41,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:55:41,328 INFO L87 Difference]: Start difference. First operand 1570 states and 2141 transitions. Second operand 3 states. [2019-12-07 17:55:41,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:55:41,680 INFO L93 Difference]: Finished difference Result 3840 states and 5193 transitions. [2019-12-07 17:55:41,681 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 17:55:41,681 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2019-12-07 17:55:41,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:55:41,689 INFO L225 Difference]: With dead ends: 3840 [2019-12-07 17:55:41,689 INFO L226 Difference]: Without dead ends: 2272 [2019-12-07 17:55:41,690 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 17:55:41,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2272 states. [2019-12-07 17:55:41,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2272 to 2272. [2019-12-07 17:55:41,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2272 states. [2019-12-07 17:55:41,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2272 states to 2272 states and 2838 transitions. [2019-12-07 17:55:41,738 INFO L78 Accepts]: Start accepts. Automaton has 2272 states and 2838 transitions. Word has length 121 [2019-12-07 17:55:41,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:55:41,738 INFO L462 AbstractCegarLoop]: Abstraction has 2272 states and 2838 transitions. [2019-12-07 17:55:41,739 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 17:55:41,739 INFO L276 IsEmpty]: Start isEmpty. Operand 2272 states and 2838 transitions. [2019-12-07 17:55:41,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2019-12-07 17:55:41,741 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:55:41,741 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, 1, 1] [2019-12-07 17:55:41,741 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:55:41,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:55:41,741 INFO L82 PathProgramCache]: Analyzing trace with hash 1585632305, now seen corresponding path program 1 times [2019-12-07 17:55:41,741 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:55:41,742 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760008652] [2019-12-07 17:55:41,742 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:55:41,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:55:41,798 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 17:55:41,798 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760008652] [2019-12-07 17:55:41,798 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:55:41,799 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 17:55:41,799 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440603022] [2019-12-07 17:55:41,799 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 17:55:41,799 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:55:41,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 17:55:41,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:55:41,800 INFO L87 Difference]: Start difference. First operand 2272 states and 2838 transitions. Second operand 3 states. [2019-12-07 17:55:42,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:55:42,167 INFO L93 Difference]: Finished difference Result 5381 states and 6669 transitions. [2019-12-07 17:55:42,167 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 17:55:42,167 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2019-12-07 17:55:42,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:55:42,176 INFO L225 Difference]: With dead ends: 5381 [2019-12-07 17:55:42,176 INFO L226 Difference]: Without dead ends: 2546 [2019-12-07 17:55:42,179 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 17:55:42,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2546 states. [2019-12-07 17:55:42,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2546 to 2125. [2019-12-07 17:55:42,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2125 states. [2019-12-07 17:55:42,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2125 states to 2125 states and 2479 transitions. [2019-12-07 17:55:42,212 INFO L78 Accepts]: Start accepts. Automaton has 2125 states and 2479 transitions. Word has length 126 [2019-12-07 17:55:42,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:55:42,212 INFO L462 AbstractCegarLoop]: Abstraction has 2125 states and 2479 transitions. [2019-12-07 17:55:42,213 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 17:55:42,213 INFO L276 IsEmpty]: Start isEmpty. Operand 2125 states and 2479 transitions. [2019-12-07 17:55:42,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2019-12-07 17:55:42,215 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:55:42,215 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, 1, 1] [2019-12-07 17:55:42,215 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:55:42,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:55:42,215 INFO L82 PathProgramCache]: Analyzing trace with hash 426939321, now seen corresponding path program 1 times [2019-12-07 17:55:42,216 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:55:42,216 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980490212] [2019-12-07 17:55:42,216 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:55:42,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:55:42,261 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 17:55:42,261 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980490212] [2019-12-07 17:55:42,262 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:55:42,262 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 17:55:42,262 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465316941] [2019-12-07 17:55:42,262 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 17:55:42,262 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:55:42,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 17:55:42,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 17:55:42,263 INFO L87 Difference]: Start difference. First operand 2125 states and 2479 transitions. Second operand 4 states. [2019-12-07 17:55:42,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:55:42,587 INFO L93 Difference]: Finished difference Result 4388 states and 5107 transitions. [2019-12-07 17:55:42,587 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 17:55:42,587 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 137 [2019-12-07 17:55:42,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:55:42,594 INFO L225 Difference]: With dead ends: 4388 [2019-12-07 17:55:42,594 INFO L226 Difference]: Without dead ends: 1985 [2019-12-07 17:55:42,596 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 17:55:42,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1985 states. [2019-12-07 17:55:42,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1985 to 1705. [2019-12-07 17:55:42,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1705 states. [2019-12-07 17:55:42,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1705 states to 1705 states and 1937 transitions. [2019-12-07 17:55:42,619 INFO L78 Accepts]: Start accepts. Automaton has 1705 states and 1937 transitions. Word has length 137 [2019-12-07 17:55:42,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:55:42,619 INFO L462 AbstractCegarLoop]: Abstraction has 1705 states and 1937 transitions. [2019-12-07 17:55:42,619 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 17:55:42,619 INFO L276 IsEmpty]: Start isEmpty. Operand 1705 states and 1937 transitions. [2019-12-07 17:55:42,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-12-07 17:55:42,621 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:55:42,621 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, 1, 1] [2019-12-07 17:55:42,621 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:55:42,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:55:42,622 INFO L82 PathProgramCache]: Analyzing trace with hash 825573273, now seen corresponding path program 1 times [2019-12-07 17:55:42,622 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:55:42,622 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110479281] [2019-12-07 17:55:42,622 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:55:42,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:55:42,667 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 17:55:42,667 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110479281] [2019-12-07 17:55:42,667 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:55:42,668 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 17:55:42,668 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297767152] [2019-12-07 17:55:42,668 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 17:55:42,668 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:55:42,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 17:55:42,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:55:42,668 INFO L87 Difference]: Start difference. First operand 1705 states and 1937 transitions. Second operand 3 states. [2019-12-07 17:55:42,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:55:42,957 INFO L93 Difference]: Finished difference Result 3411 states and 3863 transitions. [2019-12-07 17:55:42,957 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 17:55:42,957 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 150 [2019-12-07 17:55:42,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:55:42,964 INFO L225 Difference]: With dead ends: 3411 [2019-12-07 17:55:42,964 INFO L226 Difference]: Without dead ends: 1707 [2019-12-07 17:55:42,966 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 17:55:42,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1707 states. [2019-12-07 17:55:42,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1707 to 1703. [2019-12-07 17:55:42,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1703 states. [2019-12-07 17:55:42,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1703 states to 1703 states and 1867 transitions. [2019-12-07 17:55:42,996 INFO L78 Accepts]: Start accepts. Automaton has 1703 states and 1867 transitions. Word has length 150 [2019-12-07 17:55:42,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:55:42,996 INFO L462 AbstractCegarLoop]: Abstraction has 1703 states and 1867 transitions. [2019-12-07 17:55:42,996 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 17:55:42,996 INFO L276 IsEmpty]: Start isEmpty. Operand 1703 states and 1867 transitions. [2019-12-07 17:55:43,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2019-12-07 17:55:43,001 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:55:43,002 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, 1, 1] [2019-12-07 17:55:43,002 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:55:43,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:55:43,002 INFO L82 PathProgramCache]: Analyzing trace with hash -1830161714, now seen corresponding path program 1 times [2019-12-07 17:55:43,002 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:55:43,003 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793970525] [2019-12-07 17:55:43,003 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:55:43,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:55:43,135 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 17:55:43,136 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793970525] [2019-12-07 17:55:43,136 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1083532316] [2019-12-07 17:55:43,136 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_37bc0b7c-f756-4b40-95ea-e489f77e3741/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 17:55:43,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:55:43,209 INFO L264 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 17:55:43,218 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:55:43,270 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 17:55:43,271 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-12-07 17:55:43,271 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2019-12-07 17:55:43,271 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47488708] [2019-12-07 17:55:43,271 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 17:55:43,272 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:55:43,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 17:55:43,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-12-07 17:55:43,272 INFO L87 Difference]: Start difference. First operand 1703 states and 1867 transitions. Second operand 3 states. [2019-12-07 17:55:43,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:55:43,615 INFO L93 Difference]: Finished difference Result 3818 states and 4177 transitions. [2019-12-07 17:55:43,616 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 17:55:43,616 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 244 [2019-12-07 17:55:43,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:55:43,616 INFO L225 Difference]: With dead ends: 3818 [2019-12-07 17:55:43,616 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 17:55:43,631 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 243 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 17:55:43,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 17:55:43,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 17:55:43,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 17:55:43,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 17:55:43,632 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 244 [2019-12-07 17:55:43,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:55:43,632 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:55:43,632 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 17:55:43,632 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 17:55:43,632 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 17:55:43,833 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 17:55:43,834 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 17:55:44,011 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2019-12-07 17:55:44,167 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2019-12-07 17:55:44,170 INFO L246 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:55:44,170 INFO L246 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:55:44,171 INFO L246 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:55:44,171 INFO L246 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-12-07 17:55:44,171 INFO L246 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2019-12-07 17:55:44,171 INFO L246 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2019-12-07 17:55:44,171 INFO L246 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2019-12-07 17:55:44,171 INFO L246 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-12-07 17:55:44,171 INFO L246 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-12-07 17:55:44,171 INFO L246 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-12-07 17:55:44,171 INFO L246 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:55:44,171 INFO L246 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:55:44,171 INFO L246 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:55:44,172 INFO L246 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-12-07 17:55:44,172 INFO L246 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2019-12-07 17:55:44,172 INFO L246 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2019-12-07 17:55:44,172 INFO L246 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2019-12-07 17:55:44,172 INFO L246 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2019-12-07 17:55:44,172 INFO L246 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2019-12-07 17:55:44,172 INFO L246 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-12-07 17:55:44,172 INFO L246 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:55:44,172 INFO L246 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:55:44,172 INFO L246 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:55:44,172 INFO L246 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-12-07 17:55:44,172 INFO L246 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2019-12-07 17:55:44,173 INFO L246 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2019-12-07 17:55:44,173 INFO L246 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2019-12-07 17:55:44,173 INFO L246 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-12-07 17:55:44,173 INFO L246 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:55:44,173 INFO L246 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:55:44,173 INFO L246 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:55:44,173 INFO L246 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-12-07 17:55:44,173 INFO L246 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-12-07 17:55:44,173 INFO L246 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2019-12-07 17:55:44,173 INFO L246 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2019-12-07 17:55:44,173 INFO L246 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2019-12-07 17:55:44,173 INFO L246 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-12-07 17:55:44,173 INFO L246 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-12-07 17:55:44,174 INFO L246 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-12-07 17:55:44,174 INFO L246 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:55:44,174 INFO L246 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:55:44,174 INFO L246 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:55:44,174 INFO L246 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-12-07 17:55:44,174 INFO L246 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2019-12-07 17:55:44,174 INFO L246 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2019-12-07 17:55:44,174 INFO L246 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2019-12-07 17:55:44,174 INFO L246 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-12-07 17:55:44,174 INFO L246 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-12-07 17:55:44,174 INFO L246 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-12-07 17:55:44,174 INFO L246 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-12-07 17:55:44,175 INFO L246 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:55:44,175 INFO L246 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:55:44,175 INFO L246 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:55:44,175 INFO L246 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2019-12-07 17:55:44,175 INFO L246 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2019-12-07 17:55:44,175 INFO L246 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2019-12-07 17:55:44,175 INFO L246 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2019-12-07 17:55:44,175 INFO L246 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2019-12-07 17:55:44,175 INFO L246 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2019-12-07 17:55:44,175 INFO L246 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2019-12-07 17:55:44,175 INFO L246 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-12-07 17:55:44,175 INFO L246 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-12-07 17:55:44,176 INFO L246 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:55:44,176 INFO L246 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:55:44,176 INFO L246 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:55:44,176 INFO L246 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-12-07 17:55:44,176 INFO L246 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2019-12-07 17:55:44,176 INFO L246 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2019-12-07 17:55:44,176 INFO L246 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2019-12-07 17:55:44,176 INFO L246 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-12-07 17:55:44,176 INFO L246 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-12-07 17:55:44,176 INFO L246 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:55:44,176 INFO L246 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:55:44,176 INFO L246 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:55:44,176 INFO L246 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-12-07 17:55:44,177 INFO L246 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-12-07 17:55:44,177 INFO L246 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2019-12-07 17:55:44,177 INFO L246 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2019-12-07 17:55:44,177 INFO L246 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2019-12-07 17:55:44,177 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 17:55:44,177 INFO L246 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-12-07 17:55:44,177 INFO L246 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-12-07 17:55:44,177 INFO L246 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-12-07 17:55:44,177 INFO L246 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:55:44,177 INFO L246 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:55:44,177 INFO L246 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:55:44,177 INFO L246 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2019-12-07 17:55:44,177 INFO L246 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2019-12-07 17:55:44,178 INFO L246 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2019-12-07 17:55:44,178 INFO L246 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-12-07 17:55:44,178 INFO L246 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-12-07 17:55:44,178 INFO L246 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:55:44,178 INFO L246 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:55:44,178 INFO L246 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:55:44,178 INFO L246 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-12-07 17:55:44,178 INFO L246 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2019-12-07 17:55:44,178 INFO L246 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2019-12-07 17:55:44,178 INFO L246 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2019-12-07 17:55:44,178 INFO L246 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-12-07 17:55:44,178 INFO L246 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-12-07 17:55:44,178 INFO L246 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2019-12-07 17:55:44,178 INFO L246 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2019-12-07 17:55:44,178 INFO L246 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-12-07 17:55:44,179 INFO L246 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-12-07 17:55:44,179 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 17:55:44,179 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 469) no Hoare annotation was computed. [2019-12-07 17:55:44,179 INFO L246 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2019-12-07 17:55:44,179 INFO L246 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:55:44,179 INFO L246 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:55:44,179 INFO L246 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-12-07 17:55:44,179 INFO L246 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2019-12-07 17:55:44,179 INFO L246 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2019-12-07 17:55:44,179 INFO L246 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2019-12-07 17:55:44,179 INFO L246 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-12-07 17:55:44,179 INFO L246 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-12-07 17:55:44,180 INFO L246 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2019-12-07 17:55:44,180 INFO L246 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2019-12-07 17:55:44,180 INFO L246 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-12-07 17:55:44,180 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 17:55:44,180 INFO L246 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:55:44,180 INFO L246 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:55:44,180 INFO L246 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-12-07 17:55:44,181 INFO L246 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2019-12-07 17:55:44,181 INFO L246 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2019-12-07 17:55:44,181 INFO L246 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-12-07 17:55:44,181 INFO L246 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2019-12-07 17:55:44,181 INFO L246 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2019-12-07 17:55:44,181 INFO L249 CegarLoopResult]: At program point L600(lines 600 617) the Hoare annotation is: true [2019-12-07 17:55:44,181 INFO L246 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:55:44,181 INFO L246 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:55:44,181 INFO L246 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-12-07 17:55:44,181 INFO L246 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2019-12-07 17:55:44,181 INFO L246 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2019-12-07 17:55:44,181 INFO L246 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-12-07 17:55:44,182 INFO L246 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-12-07 17:55:44,182 INFO L246 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-12-07 17:55:44,182 INFO L246 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2019-12-07 17:55:44,182 INFO L246 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2019-12-07 17:55:44,182 INFO L246 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-12-07 17:55:44,182 INFO L246 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:55:44,182 INFO L246 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:55:44,182 INFO L246 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2019-12-07 17:55:44,182 INFO L246 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2019-12-07 17:55:44,182 INFO L246 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2019-12-07 17:55:44,182 INFO L246 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2019-12-07 17:55:44,182 INFO L246 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-12-07 17:55:44,183 INFO L246 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-12-07 17:55:44,183 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 17:55:44,183 INFO L246 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:55:44,183 INFO L246 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:55:44,183 INFO L246 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-12-07 17:55:44,183 INFO L246 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2019-12-07 17:55:44,183 INFO L246 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2019-12-07 17:55:44,183 INFO L246 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-12-07 17:55:44,183 INFO L246 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-12-07 17:55:44,183 INFO L246 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:55:44,184 INFO L246 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:55:44,184 INFO L246 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2019-12-07 17:55:44,184 INFO L246 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2019-12-07 17:55:44,184 INFO L246 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-12-07 17:55:44,184 INFO L246 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-12-07 17:55:44,184 INFO L246 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-12-07 17:55:44,184 INFO L246 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2019-12-07 17:55:44,184 INFO L246 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-12-07 17:55:44,184 INFO L246 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2019-12-07 17:55:44,184 INFO L246 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2019-12-07 17:55:44,184 INFO L246 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:55:44,184 INFO L246 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:55:44,185 INFO L246 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2019-12-07 17:55:44,185 INFO L246 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:55:44,185 INFO L246 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2019-12-07 17:55:44,185 INFO L246 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2019-12-07 17:55:44,185 INFO L246 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2019-12-07 17:55:44,185 INFO L246 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-12-07 17:55:44,185 INFO L246 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-12-07 17:55:44,185 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 17:55:44,185 INFO L246 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-12-07 17:55:44,185 INFO L246 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:55:44,185 INFO L246 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:55:44,185 INFO L246 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:55:44,185 INFO L246 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2019-12-07 17:55:44,186 INFO L246 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2019-12-07 17:55:44,186 INFO L246 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2019-12-07 17:55:44,186 INFO L246 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-12-07 17:55:44,186 INFO L246 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-12-07 17:55:44,186 INFO L246 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:55:44,186 INFO L246 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:55:44,186 INFO L246 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:55:44,186 INFO L246 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-12-07 17:55:44,186 INFO L246 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2019-12-07 17:55:44,186 INFO L246 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2019-12-07 17:55:44,186 INFO L246 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2019-12-07 17:55:44,186 INFO L246 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-12-07 17:55:44,187 INFO L246 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-12-07 17:55:44,187 INFO L246 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:55:44,187 INFO L246 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:55:44,187 INFO L246 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:55:44,187 INFO L246 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-12-07 17:55:44,187 INFO L246 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-12-07 17:55:44,187 INFO L246 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-12-07 17:55:44,187 INFO L246 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2019-12-07 17:55:44,187 INFO L246 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2019-12-07 17:55:44,187 INFO L246 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2019-12-07 17:55:44,187 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 17:55:44,187 INFO L246 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-12-07 17:55:44,188 INFO L246 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-12-07 17:55:44,188 INFO L246 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:55:44,188 INFO L246 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:55:44,188 INFO L246 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:55:44,188 INFO L246 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-12-07 17:55:44,188 INFO L246 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2019-12-07 17:55:44,188 INFO L246 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2019-12-07 17:55:44,188 INFO L246 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2019-12-07 17:55:44,188 INFO L246 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-12-07 17:55:44,188 INFO L246 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:55:44,188 INFO L246 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:55:44,188 INFO L246 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 17:55:44,188 INFO L246 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-12-07 17:55:44,189 INFO L246 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-12-07 17:55:44,189 INFO L246 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-12-07 17:55:44,189 INFO L246 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2019-12-07 17:55:44,189 INFO L246 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2019-12-07 17:55:44,189 INFO L246 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2019-12-07 17:55:44,189 INFO L246 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2019-12-07 17:55:44,189 INFO L246 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-12-07 17:55:44,189 INFO L246 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2019-12-07 17:55:44,189 INFO L246 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-12-07 17:55:44,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 05:55:44 BoogieIcfgContainer [2019-12-07 17:55:44,210 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 17:55:44,210 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 17:55:44,210 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 17:55:44,210 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 17:55:44,211 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:55:38" (3/4) ... [2019-12-07 17:55:44,213 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 17:55:44,231 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-12-07 17:55:44,233 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 17:55:44,328 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_37bc0b7c-f756-4b40-95ea-e489f77e3741/bin/uautomizer/witness.graphml [2019-12-07 17:55:44,328 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 17:55:44,329 INFO L168 Benchmark]: Toolchain (without parser) took 6509.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 219.7 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -155.9 MB). Peak memory consumption was 63.8 MB. Max. memory is 11.5 GB. [2019-12-07 17:55:44,330 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 954.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:55:44,330 INFO L168 Benchmark]: CACSL2BoogieTranslator took 342.05 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -141.2 MB). Peak memory consumption was 29.4 MB. Max. memory is 11.5 GB. [2019-12-07 17:55:44,330 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 17:55:44,330 INFO L168 Benchmark]: Boogie Preprocessor took 39.73 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: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. [2019-12-07 17:55:44,331 INFO L168 Benchmark]: RCFGBuilder took 650.98 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 948.7 MB in the end (delta: 118.3 MB). Peak memory consumption was 118.3 MB. Max. memory is 11.5 GB. [2019-12-07 17:55:44,331 INFO L168 Benchmark]: TraceAbstraction took 5306.50 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 117.4 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -168.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:55:44,331 INFO L168 Benchmark]: Witness Printer took 118.35 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: 25.7 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. [2019-12-07 17:55:44,333 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 954.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 342.05 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -141.2 MB). Peak memory consumption was 29.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 49.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.73 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: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 650.98 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 948.7 MB in the end (delta: 118.3 MB). Peak memory consumption was 118.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5306.50 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 117.4 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -168.1 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 118.35 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: 25.7 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 469]: 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, 1599 SDslu, 214 SDs, 0 SdLazy, 4086 SolverSat, 774 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 274 GetRequests, 254 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, 1359 NumberOfCodeBlocks, 1359 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1350 ConstructedInterpolants, 0 QuantifiedInterpolants, 442232 SizeOfPredicates, 1 NumberOfNonLiveVariables, 408 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...