./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label33.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_93db3327-fde2-4cba-a369-4bf6c9199957/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_93db3327-fde2-4cba-a369-4bf6c9199957/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_93db3327-fde2-4cba-a369-4bf6c9199957/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_93db3327-fde2-4cba-a369-4bf6c9199957/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label33.c -s /tmp/vcloud-vcloud-master/worker/run_dir_93db3327-fde2-4cba-a369-4bf6c9199957/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_93db3327-fde2-4cba-a369-4bf6c9199957/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 ccce88d3eff0bd7768fa846786a2b108ea71b0c0 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 05:44:50,172 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 05:44:50,174 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 05:44:50,184 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 05:44:50,185 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 05:44:50,186 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 05:44:50,187 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 05:44:50,189 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 05:44:50,191 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 05:44:50,192 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 05:44:50,193 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 05:44:50,194 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 05:44:50,194 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 05:44:50,195 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 05:44:50,196 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 05:44:50,197 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 05:44:50,198 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 05:44:50,199 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 05:44:50,200 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 05:44:50,202 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 05:44:50,204 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 05:44:50,205 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 05:44:50,206 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 05:44:50,207 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 05:44:50,210 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 05:44:50,210 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 05:44:50,210 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 05:44:50,211 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 05:44:50,212 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 05:44:50,213 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 05:44:50,213 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 05:44:50,214 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 05:44:50,214 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 05:44:50,215 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 05:44:50,216 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 05:44:50,216 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 05:44:50,217 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 05:44:50,217 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 05:44:50,217 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 05:44:50,218 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 05:44:50,219 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 05:44:50,219 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_93db3327-fde2-4cba-a369-4bf6c9199957/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 05:44:50,232 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 05:44:50,232 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 05:44:50,233 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 05:44:50,233 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 05:44:50,233 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 05:44:50,234 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 05:44:50,234 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 05:44:50,234 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 05:44:50,234 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 05:44:50,234 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 05:44:50,235 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 05:44:50,235 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 05:44:50,235 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 05:44:50,235 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 05:44:50,235 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 05:44:50,236 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 05:44:50,236 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 05:44:50,236 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 05:44:50,236 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 05:44:50,237 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 05:44:50,237 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 05:44:50,237 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 05:44:50,237 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 05:44:50,237 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 05:44:50,238 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 05:44:50,238 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 05:44:50,238 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 05:44:50,238 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 05:44:50,239 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_93db3327-fde2-4cba-a369-4bf6c9199957/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 -> ccce88d3eff0bd7768fa846786a2b108ea71b0c0 [2019-11-20 05:44:50,382 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 05:44:50,391 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 05:44:50,394 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 05:44:50,395 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 05:44:50,396 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 05:44:50,396 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_93db3327-fde2-4cba-a369-4bf6c9199957/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem02_label33.c [2019-11-20 05:44:50,453 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_93db3327-fde2-4cba-a369-4bf6c9199957/bin/uautomizer/data/f56fb4324/7edac472f84a49c6a00c76799c519b72/FLAG6c0e0b0e0 [2019-11-20 05:44:50,935 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 05:44:50,935 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_93db3327-fde2-4cba-a369-4bf6c9199957/sv-benchmarks/c/eca-rers2012/Problem02_label33.c [2019-11-20 05:44:50,962 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_93db3327-fde2-4cba-a369-4bf6c9199957/bin/uautomizer/data/f56fb4324/7edac472f84a49c6a00c76799c519b72/FLAG6c0e0b0e0 [2019-11-20 05:44:51,241 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_93db3327-fde2-4cba-a369-4bf6c9199957/bin/uautomizer/data/f56fb4324/7edac472f84a49c6a00c76799c519b72 [2019-11-20 05:44:51,244 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 05:44:51,245 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 05:44:51,246 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 05:44:51,246 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 05:44:51,249 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 05:44:51,249 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:44:51" (1/1) ... [2019-11-20 05:44:51,251 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@322d68be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:44:51, skipping insertion in model container [2019-11-20 05:44:51,252 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:44:51" (1/1) ... [2019-11-20 05:44:51,260 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 05:44:51,304 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 05:44:51,695 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 05:44:51,709 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 05:44:51,820 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 05:44:51,835 INFO L192 MainTranslator]: Completed translation [2019-11-20 05:44:51,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:44:51 WrapperNode [2019-11-20 05:44:51,837 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 05:44:51,838 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 05:44:51,838 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 05:44:51,838 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 05:44:51,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:44:51" (1/1) ... [2019-11-20 05:44:51,860 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:44:51" (1/1) ... [2019-11-20 05:44:51,911 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 05:44:51,912 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 05:44:51,912 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 05:44:51,912 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 05:44:51,924 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:44:51" (1/1) ... [2019-11-20 05:44:51,924 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:44:51" (1/1) ... [2019-11-20 05:44:51,928 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:44:51" (1/1) ... [2019-11-20 05:44:51,928 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:44:51" (1/1) ... [2019-11-20 05:44:51,956 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:44:51" (1/1) ... [2019-11-20 05:44:51,967 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:44:51" (1/1) ... [2019-11-20 05:44:51,972 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:44:51" (1/1) ... [2019-11-20 05:44:51,979 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 05:44:51,979 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 05:44:51,979 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 05:44:51,979 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 05:44:51,989 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:44:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_93db3327-fde2-4cba-a369-4bf6c9199957/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 [2019-11-20 05:44:52,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 05:44:52,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 05:44:53,101 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 05:44:53,102 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-20 05:44:53,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:44:53 BoogieIcfgContainer [2019-11-20 05:44:53,103 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 05:44:53,104 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 05:44:53,104 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 05:44:53,106 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 05:44:53,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 05:44:51" (1/3) ... [2019-11-20 05:44:53,107 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dd96ded and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:44:53, skipping insertion in model container [2019-11-20 05:44:53,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:44:51" (2/3) ... [2019-11-20 05:44:53,108 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dd96ded and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:44:53, skipping insertion in model container [2019-11-20 05:44:53,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:44:53" (3/3) ... [2019-11-20 05:44:53,113 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label33.c [2019-11-20 05:44:53,121 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 05:44:53,129 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 05:44:53,139 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 05:44:53,175 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 05:44:53,175 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 05:44:53,175 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 05:44:53,175 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 05:44:53,176 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 05:44:53,176 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 05:44:53,176 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 05:44:53,177 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 05:44:53,199 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2019-11-20 05:44:53,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2019-11-20 05:44:53,212 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:44:53,213 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:44:53,213 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:44:53,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:44:53,218 INFO L82 PathProgramCache]: Analyzing trace with hash -1661240933, now seen corresponding path program 1 times [2019-11-20 05:44:53,227 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:44:53,227 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965838648] [2019-11-20 05:44:53,227 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:44:53,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:44:53,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:44:53,754 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965838648] [2019-11-20 05:44:53,755 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:44:53,755 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 05:44:53,757 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323352608] [2019-11-20 05:44:53,761 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 05:44:53,761 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:44:53,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 05:44:53,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 05:44:53,776 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 4 states. [2019-11-20 05:44:55,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:44:55,147 INFO L93 Difference]: Finished difference Result 789 states and 1377 transitions. [2019-11-20 05:44:55,147 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 05:44:55,148 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 141 [2019-11-20 05:44:55,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:44:55,163 INFO L225 Difference]: With dead ends: 789 [2019-11-20 05:44:55,163 INFO L226 Difference]: Without dead ends: 465 [2019-11-20 05:44:55,168 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 [2019-11-20 05:44:55,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2019-11-20 05:44:55,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 309. [2019-11-20 05:44:55,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 309 states. [2019-11-20 05:44:55,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 453 transitions. [2019-11-20 05:44:55,225 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 453 transitions. Word has length 141 [2019-11-20 05:44:55,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:44:55,226 INFO L462 AbstractCegarLoop]: Abstraction has 309 states and 453 transitions. [2019-11-20 05:44:55,226 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 05:44:55,226 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 453 transitions. [2019-11-20 05:44:55,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-11-20 05:44:55,230 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:44:55,230 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:44:55,230 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:44:55,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:44:55,231 INFO L82 PathProgramCache]: Analyzing trace with hash -1054345200, now seen corresponding path program 1 times [2019-11-20 05:44:55,231 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:44:55,231 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322349680] [2019-11-20 05:44:55,231 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:44:55,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:44:55,483 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:44:55,483 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322349680] [2019-11-20 05:44:55,483 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:44:55,484 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 05:44:55,484 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862589122] [2019-11-20 05:44:55,488 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 05:44:55,488 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:44:55,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 05:44:55,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 05:44:55,489 INFO L87 Difference]: Start difference. First operand 309 states and 453 transitions. Second operand 4 states. [2019-11-20 05:44:56,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:44:56,299 INFO L93 Difference]: Finished difference Result 980 states and 1479 transitions. [2019-11-20 05:44:56,300 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 05:44:56,300 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 145 [2019-11-20 05:44:56,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:44:56,305 INFO L225 Difference]: With dead ends: 980 [2019-11-20 05:44:56,306 INFO L226 Difference]: Without dead ends: 590 [2019-11-20 05:44:56,308 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 [2019-11-20 05:44:56,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 590 states. [2019-11-20 05:44:56,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 590 to 590. [2019-11-20 05:44:56,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 590 states. [2019-11-20 05:44:56,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 788 transitions. [2019-11-20 05:44:56,346 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 788 transitions. Word has length 145 [2019-11-20 05:44:56,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:44:56,346 INFO L462 AbstractCegarLoop]: Abstraction has 590 states and 788 transitions. [2019-11-20 05:44:56,346 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 05:44:56,347 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 788 transitions. [2019-11-20 05:44:56,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2019-11-20 05:44:56,352 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:44:56,353 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:44:56,353 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:44:56,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:44:56,353 INFO L82 PathProgramCache]: Analyzing trace with hash 1415455555, now seen corresponding path program 1 times [2019-11-20 05:44:56,353 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:44:56,354 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549408154] [2019-11-20 05:44:56,354 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:44:56,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:44:56,448 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-20 05:44:56,448 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549408154] [2019-11-20 05:44:56,449 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:44:56,450 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 05:44:56,451 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092249003] [2019-11-20 05:44:56,452 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 05:44:56,452 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:44:56,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 05:44:56,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 05:44:56,454 INFO L87 Difference]: Start difference. First operand 590 states and 788 transitions. Second operand 4 states. [2019-11-20 05:44:57,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:44:57,365 INFO L93 Difference]: Finished difference Result 2306 states and 3087 transitions. [2019-11-20 05:44:57,366 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 05:44:57,366 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 171 [2019-11-20 05:44:57,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:44:57,378 INFO L225 Difference]: With dead ends: 2306 [2019-11-20 05:44:57,378 INFO L226 Difference]: Without dead ends: 1718 [2019-11-20 05:44:57,382 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 [2019-11-20 05:44:57,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1718 states. [2019-11-20 05:44:57,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1718 to 1572. [2019-11-20 05:44:57,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1572 states. [2019-11-20 05:44:57,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1572 states to 1572 states and 1965 transitions. [2019-11-20 05:44:57,428 INFO L78 Accepts]: Start accepts. Automaton has 1572 states and 1965 transitions. Word has length 171 [2019-11-20 05:44:57,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:44:57,430 INFO L462 AbstractCegarLoop]: Abstraction has 1572 states and 1965 transitions. [2019-11-20 05:44:57,430 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 05:44:57,430 INFO L276 IsEmpty]: Start isEmpty. Operand 1572 states and 1965 transitions. [2019-11-20 05:44:57,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2019-11-20 05:44:57,451 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:44:57,452 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:44:57,452 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:44:57,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:44:57,453 INFO L82 PathProgramCache]: Analyzing trace with hash 1450133025, now seen corresponding path program 1 times [2019-11-20 05:44:57,453 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:44:57,453 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317633131] [2019-11-20 05:44:57,453 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:44:57,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:44:57,579 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 05:44:57,580 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317633131] [2019-11-20 05:44:57,580 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:44:57,580 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 05:44:57,580 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311295164] [2019-11-20 05:44:57,581 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 05:44:57,582 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:44:57,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 05:44:57,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 05:44:57,582 INFO L87 Difference]: Start difference. First operand 1572 states and 1965 transitions. Second operand 4 states. [2019-11-20 05:44:58,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:44:58,438 INFO L93 Difference]: Finished difference Result 4277 states and 5403 transitions. [2019-11-20 05:44:58,438 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 05:44:58,438 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 179 [2019-11-20 05:44:58,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:44:58,452 INFO L225 Difference]: With dead ends: 4277 [2019-11-20 05:44:58,452 INFO L226 Difference]: Without dead ends: 2707 [2019-11-20 05:44:58,455 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 [2019-11-20 05:44:58,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2707 states. [2019-11-20 05:44:58,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2707 to 1855. [2019-11-20 05:44:58,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1855 states. [2019-11-20 05:44:58,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1855 states to 1855 states and 2281 transitions. [2019-11-20 05:44:58,501 INFO L78 Accepts]: Start accepts. Automaton has 1855 states and 2281 transitions. Word has length 179 [2019-11-20 05:44:58,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:44:58,501 INFO L462 AbstractCegarLoop]: Abstraction has 1855 states and 2281 transitions. [2019-11-20 05:44:58,501 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 05:44:58,502 INFO L276 IsEmpty]: Start isEmpty. Operand 1855 states and 2281 transitions. [2019-11-20 05:44:58,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2019-11-20 05:44:58,506 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:44:58,506 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:44:58,506 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:44:58,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:44:58,507 INFO L82 PathProgramCache]: Analyzing trace with hash -1779473924, now seen corresponding path program 1 times [2019-11-20 05:44:58,507 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:44:58,507 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652813342] [2019-11-20 05:44:58,507 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:44:58,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:44:58,665 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 45 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:44:58,665 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652813342] [2019-11-20 05:44:58,666 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1356314192] [2019-11-20 05:44:58,666 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_93db3327-fde2-4cba-a369-4bf6c9199957/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 [2019-11-20 05:44:58,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:44:58,758 INFO L255 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 05:44:58,779 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:44:58,867 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-11-20 05:44:58,868 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-20 05:44:58,868 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 7 [2019-11-20 05:44:58,869 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536209991] [2019-11-20 05:44:58,869 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 05:44:58,869 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:44:58,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 05:44:58,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-11-20 05:44:58,870 INFO L87 Difference]: Start difference. First operand 1855 states and 2281 transitions. Second operand 3 states. [2019-11-20 05:44:59,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:44:59,446 INFO L93 Difference]: Finished difference Result 4267 states and 5231 transitions. [2019-11-20 05:44:59,446 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 05:44:59,446 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 182 [2019-11-20 05:44:59,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:44:59,460 INFO L225 Difference]: With dead ends: 4267 [2019-11-20 05:44:59,460 INFO L226 Difference]: Without dead ends: 2414 [2019-11-20 05:44:59,463 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-11-20 05:44:59,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2414 states. [2019-11-20 05:44:59,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2414 to 1994. [2019-11-20 05:44:59,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1994 states. [2019-11-20 05:44:59,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1994 states to 1994 states and 2442 transitions. [2019-11-20 05:44:59,515 INFO L78 Accepts]: Start accepts. Automaton has 1994 states and 2442 transitions. Word has length 182 [2019-11-20 05:44:59,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:44:59,517 INFO L462 AbstractCegarLoop]: Abstraction has 1994 states and 2442 transitions. [2019-11-20 05:44:59,517 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 05:44:59,517 INFO L276 IsEmpty]: Start isEmpty. Operand 1994 states and 2442 transitions. [2019-11-20 05:44:59,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2019-11-20 05:44:59,522 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:44:59,522 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:44:59,725 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 05:44:59,726 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:44:59,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:44:59,726 INFO L82 PathProgramCache]: Analyzing trace with hash -370337279, now seen corresponding path program 1 times [2019-11-20 05:44:59,726 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:44:59,726 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19022196] [2019-11-20 05:44:59,727 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:44:59,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:44:59,802 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 05:44:59,803 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19022196] [2019-11-20 05:44:59,803 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:44:59,803 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 05:44:59,803 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690422099] [2019-11-20 05:44:59,804 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 05:44:59,804 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:44:59,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 05:44:59,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 05:44:59,804 INFO L87 Difference]: Start difference. First operand 1994 states and 2442 transitions. Second operand 3 states. [2019-11-20 05:45:00,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:45:00,285 INFO L93 Difference]: Finished difference Result 4272 states and 5182 transitions. [2019-11-20 05:45:00,285 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 05:45:00,285 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 192 [2019-11-20 05:45:00,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:45:00,296 INFO L225 Difference]: With dead ends: 4272 [2019-11-20 05:45:00,296 INFO L226 Difference]: Without dead ends: 2140 [2019-11-20 05:45:00,299 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 [2019-11-20 05:45:00,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2140 states. [2019-11-20 05:45:00,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2140 to 1994. [2019-11-20 05:45:00,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1994 states. [2019-11-20 05:45:00,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1994 states to 1994 states and 2341 transitions. [2019-11-20 05:45:00,341 INFO L78 Accepts]: Start accepts. Automaton has 1994 states and 2341 transitions. Word has length 192 [2019-11-20 05:45:00,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:45:00,342 INFO L462 AbstractCegarLoop]: Abstraction has 1994 states and 2341 transitions. [2019-11-20 05:45:00,342 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 05:45:00,342 INFO L276 IsEmpty]: Start isEmpty. Operand 1994 states and 2341 transitions. [2019-11-20 05:45:00,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2019-11-20 05:45:00,346 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:45:00,347 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:45:00,347 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:45:00,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:45:00,347 INFO L82 PathProgramCache]: Analyzing trace with hash -1156204340, now seen corresponding path program 1 times [2019-11-20 05:45:00,348 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:45:00,348 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186283890] [2019-11-20 05:45:00,348 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:45:00,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:45:00,418 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 05:45:00,418 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186283890] [2019-11-20 05:45:00,418 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:45:00,419 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 05:45:00,419 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863092846] [2019-11-20 05:45:00,419 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 05:45:00,420 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:45:00,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 05:45:00,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 05:45:00,420 INFO L87 Difference]: Start difference. First operand 1994 states and 2341 transitions. Second operand 3 states. [2019-11-20 05:45:00,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:45:00,930 INFO L93 Difference]: Finished difference Result 4822 states and 5634 transitions. [2019-11-20 05:45:00,931 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 05:45:00,931 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 194 [2019-11-20 05:45:00,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:45:00,940 INFO L225 Difference]: With dead ends: 4822 [2019-11-20 05:45:00,940 INFO L226 Difference]: Without dead ends: 1989 [2019-11-20 05:45:00,943 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 [2019-11-20 05:45:00,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1989 states. [2019-11-20 05:45:00,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1989 to 1849. [2019-11-20 05:45:00,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1849 states. [2019-11-20 05:45:00,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1849 states to 1849 states and 2078 transitions. [2019-11-20 05:45:00,978 INFO L78 Accepts]: Start accepts. Automaton has 1849 states and 2078 transitions. Word has length 194 [2019-11-20 05:45:00,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:45:00,978 INFO L462 AbstractCegarLoop]: Abstraction has 1849 states and 2078 transitions. [2019-11-20 05:45:00,979 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 05:45:00,979 INFO L276 IsEmpty]: Start isEmpty. Operand 1849 states and 2078 transitions. [2019-11-20 05:45:00,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2019-11-20 05:45:00,983 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:45:00,983 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:45:00,984 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:45:00,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:45:00,984 INFO L82 PathProgramCache]: Analyzing trace with hash -1763135858, now seen corresponding path program 1 times [2019-11-20 05:45:00,984 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:45:00,985 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290352697] [2019-11-20 05:45:00,985 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:45:00,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:45:01,134 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 86 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-11-20 05:45:01,134 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290352697] [2019-11-20 05:45:01,134 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [929515550] [2019-11-20 05:45:01,135 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_93db3327-fde2-4cba-a369-4bf6c9199957/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 05:45:01,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:45:01,230 INFO L255 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 05:45:01,234 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:45:01,334 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-11-20 05:45:01,335 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-20 05:45:01,335 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 7 [2019-11-20 05:45:01,335 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565926292] [2019-11-20 05:45:01,336 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 05:45:01,336 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:45:01,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 05:45:01,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-11-20 05:45:01,345 INFO L87 Difference]: Start difference. First operand 1849 states and 2078 transitions. Second operand 3 states. [2019-11-20 05:45:01,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:45:01,556 INFO L93 Difference]: Finished difference Result 3263 states and 3625 transitions. [2019-11-20 05:45:01,557 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 05:45:01,557 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 209 [2019-11-20 05:45:01,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:45:01,558 INFO L225 Difference]: With dead ends: 3263 [2019-11-20 05:45:01,558 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 05:45:01,561 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-11-20 05:45:01,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 05:45:01,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 05:45:01,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 05:45:01,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 05:45:01,562 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 209 [2019-11-20 05:45:01,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:45:01,562 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 05:45:01,562 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 05:45:01,562 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 05:45:01,562 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 05:45:01,766 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 05:45:01,772 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 05:45:02,055 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 37 [2019-11-20 05:45:02,258 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 37 [2019-11-20 05:45:02,261 INFO L444 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:45:02,261 INFO L444 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:45:02,261 INFO L444 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:45:02,261 INFO L444 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-11-20 05:45:02,261 INFO L444 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2019-11-20 05:45:02,261 INFO L444 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2019-11-20 05:45:02,261 INFO L444 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2019-11-20 05:45:02,261 INFO L444 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-11-20 05:45:02,261 INFO L444 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-11-20 05:45:02,261 INFO L444 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-11-20 05:45:02,261 INFO L444 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:45:02,262 INFO L444 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:45:02,262 INFO L444 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:45:02,262 INFO L444 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-11-20 05:45:02,262 INFO L444 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2019-11-20 05:45:02,262 INFO L444 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2019-11-20 05:45:02,262 INFO L444 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2019-11-20 05:45:02,262 INFO L444 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2019-11-20 05:45:02,262 INFO L444 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2019-11-20 05:45:02,262 INFO L444 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-11-20 05:45:02,262 INFO L444 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:45:02,262 INFO L444 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:45:02,262 INFO L444 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:45:02,262 INFO L444 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-11-20 05:45:02,262 INFO L444 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2019-11-20 05:45:02,262 INFO L444 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2019-11-20 05:45:02,263 INFO L444 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2019-11-20 05:45:02,263 INFO L444 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-11-20 05:45:02,263 INFO L444 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:45:02,264 INFO L444 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:45:02,264 INFO L444 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:45:02,264 INFO L444 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-11-20 05:45:02,265 INFO L444 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-11-20 05:45:02,265 INFO L444 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2019-11-20 05:45:02,265 INFO L444 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2019-11-20 05:45:02,265 INFO L444 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2019-11-20 05:45:02,265 INFO L444 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-11-20 05:45:02,265 INFO L444 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-11-20 05:45:02,265 INFO L444 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-11-20 05:45:02,265 INFO L444 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:45:02,265 INFO L444 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:45:02,266 INFO L444 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:45:02,266 INFO L444 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-11-20 05:45:02,266 INFO L444 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2019-11-20 05:45:02,266 INFO L444 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2019-11-20 05:45:02,266 INFO L444 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2019-11-20 05:45:02,266 INFO L444 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-11-20 05:45:02,266 INFO L444 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-11-20 05:45:02,266 INFO L444 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-11-20 05:45:02,266 INFO L444 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-11-20 05:45:02,266 INFO L444 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:45:02,266 INFO L444 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:45:02,266 INFO L444 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:45:02,266 INFO L444 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2019-11-20 05:45:02,267 INFO L444 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2019-11-20 05:45:02,267 INFO L444 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2019-11-20 05:45:02,267 INFO L444 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2019-11-20 05:45:02,267 INFO L444 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2019-11-20 05:45:02,267 INFO L444 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2019-11-20 05:45:02,267 INFO L444 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2019-11-20 05:45:02,267 INFO L444 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-11-20 05:45:02,267 INFO L444 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-11-20 05:45:02,267 INFO L444 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:45:02,267 INFO L444 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:45:02,267 INFO L444 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:45:02,267 INFO L444 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-11-20 05:45:02,267 INFO L444 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2019-11-20 05:45:02,267 INFO L444 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2019-11-20 05:45:02,268 INFO L444 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2019-11-20 05:45:02,268 INFO L444 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-11-20 05:45:02,268 INFO L444 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-11-20 05:45:02,268 INFO L444 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:45:02,268 INFO L444 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:45:02,268 INFO L444 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:45:02,268 INFO L444 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-11-20 05:45:02,268 INFO L444 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-11-20 05:45:02,268 INFO L444 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2019-11-20 05:45:02,268 INFO L444 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2019-11-20 05:45:02,268 INFO L444 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2019-11-20 05:45:02,268 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 05:45:02,268 INFO L444 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-11-20 05:45:02,268 INFO L444 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-11-20 05:45:02,268 INFO L444 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-11-20 05:45:02,269 INFO L444 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:45:02,269 INFO L444 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:45:02,269 INFO L444 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:45:02,269 INFO L444 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2019-11-20 05:45:02,269 INFO L444 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2019-11-20 05:45:02,269 INFO L444 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2019-11-20 05:45:02,269 INFO L444 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-11-20 05:45:02,273 INFO L444 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-11-20 05:45:02,273 INFO L444 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:45:02,273 INFO L444 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:45:02,274 INFO L444 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:45:02,274 INFO L444 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-11-20 05:45:02,274 INFO L444 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2019-11-20 05:45:02,274 INFO L444 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2019-11-20 05:45:02,274 INFO L444 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2019-11-20 05:45:02,274 INFO L444 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-11-20 05:45:02,274 INFO L444 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-11-20 05:45:02,274 INFO L444 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2019-11-20 05:45:02,275 INFO L444 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2019-11-20 05:45:02,275 INFO L444 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-11-20 05:45:02,275 INFO L444 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-11-20 05:45:02,275 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-20 05:45:02,275 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 595) no Hoare annotation was computed. [2019-11-20 05:45:02,275 INFO L444 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2019-11-20 05:45:02,275 INFO L444 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:45:02,275 INFO L444 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:45:02,276 INFO L444 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-11-20 05:45:02,276 INFO L444 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2019-11-20 05:45:02,276 INFO L444 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2019-11-20 05:45:02,276 INFO L444 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2019-11-20 05:45:02,276 INFO L444 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-11-20 05:45:02,276 INFO L444 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-11-20 05:45:02,276 INFO L444 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2019-11-20 05:45:02,276 INFO L444 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2019-11-20 05:45:02,277 INFO L444 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-11-20 05:45:02,278 INFO L440 ceAbstractionStarter]: At program point L597(lines 29 598) the Hoare annotation is: (let ((.cse6 (= ~a25~0 1)) (.cse7 (= ~a19~0 1))) (let ((.cse8 (not .cse7)) (.cse3 (not .cse6)) (.cse2 (not (= ~a28~0 11)))) (let ((.cse0 (= ~a17~0 8)) (.cse1 (= ~a21~0 1)) (.cse9 (or (and (<= ~a19~0 0) .cse3) (and .cse8 .cse3 .cse2))) (.cse4 (<= ~a17~0 8)) (.cse5 (= ~a11~0 1))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5) (and (<= 8 ~a17~0) .cse6 .cse4 .cse2) (and .cse0 .cse7 .cse1 .cse6) (and (and .cse8 .cse2) .cse5) (and .cse9 .cse5) (and .cse9 .cse4) (and (= ~a28~0 7) .cse4 .cse5))))) [2019-11-20 05:45:02,278 INFO L444 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:45:02,278 INFO L444 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:45:02,278 INFO L444 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-11-20 05:45:02,279 INFO L444 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2019-11-20 05:45:02,279 INFO L444 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2019-11-20 05:45:02,279 INFO L444 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-11-20 05:45:02,279 INFO L444 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2019-11-20 05:45:02,279 INFO L444 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2019-11-20 05:45:02,279 INFO L447 ceAbstractionStarter]: At program point L600(lines 600 617) the Hoare annotation is: true [2019-11-20 05:45:02,279 INFO L444 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:45:02,279 INFO L444 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:45:02,280 INFO L444 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-11-20 05:45:02,280 INFO L444 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2019-11-20 05:45:02,280 INFO L444 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2019-11-20 05:45:02,280 INFO L444 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-11-20 05:45:02,280 INFO L444 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-11-20 05:45:02,280 INFO L444 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-11-20 05:45:02,280 INFO L444 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2019-11-20 05:45:02,280 INFO L444 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2019-11-20 05:45:02,281 INFO L444 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-11-20 05:45:02,281 INFO L444 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:45:02,281 INFO L444 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:45:02,281 INFO L444 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2019-11-20 05:45:02,281 INFO L444 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2019-11-20 05:45:02,281 INFO L444 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2019-11-20 05:45:02,281 INFO L444 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2019-11-20 05:45:02,281 INFO L444 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-11-20 05:45:02,282 INFO L444 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-11-20 05:45:02,282 INFO L440 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse6 (= ~a25~0 1)) (.cse7 (= ~a19~0 1))) (let ((.cse8 (not .cse7)) (.cse3 (not .cse6)) (.cse2 (not (= ~a28~0 11)))) (let ((.cse0 (= ~a17~0 8)) (.cse1 (= ~a21~0 1)) (.cse9 (or (and (<= ~a19~0 0) .cse3) (and .cse8 .cse3 .cse2))) (.cse4 (<= ~a17~0 8)) (.cse5 (= ~a11~0 1))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5) (and (<= 8 ~a17~0) .cse6 .cse4 .cse2) (and .cse0 .cse7 .cse1 .cse6) (and (and .cse8 .cse2) .cse5) (and .cse9 .cse5) (and .cse9 .cse4) (and (= ~a28~0 7) .cse4 .cse5))))) [2019-11-20 05:45:02,282 INFO L444 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:45:02,282 INFO L444 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:45:02,282 INFO L444 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-11-20 05:45:02,282 INFO L444 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2019-11-20 05:45:02,282 INFO L444 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2019-11-20 05:45:02,283 INFO L444 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-11-20 05:45:02,283 INFO L444 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-11-20 05:45:02,283 INFO L444 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:45:02,283 INFO L444 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:45:02,283 INFO L444 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2019-11-20 05:45:02,283 INFO L444 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2019-11-20 05:45:02,283 INFO L444 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-11-20 05:45:02,283 INFO L444 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-11-20 05:45:02,284 INFO L444 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-11-20 05:45:02,284 INFO L444 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2019-11-20 05:45:02,284 INFO L444 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-11-20 05:45:02,284 INFO L444 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2019-11-20 05:45:02,284 INFO L444 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2019-11-20 05:45:02,284 INFO L444 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:45:02,284 INFO L444 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:45:02,284 INFO L444 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2019-11-20 05:45:02,284 INFO L444 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:45:02,285 INFO L444 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2019-11-20 05:45:02,285 INFO L444 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2019-11-20 05:45:02,285 INFO L444 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2019-11-20 05:45:02,285 INFO L444 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-11-20 05:45:02,285 INFO L444 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-11-20 05:45:02,285 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 05:45:02,285 INFO L444 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-11-20 05:45:02,285 INFO L444 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:45:02,286 INFO L444 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:45:02,286 INFO L444 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:45:02,286 INFO L444 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2019-11-20 05:45:02,286 INFO L444 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2019-11-20 05:45:02,286 INFO L444 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2019-11-20 05:45:02,286 INFO L444 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-11-20 05:45:02,286 INFO L444 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-11-20 05:45:02,286 INFO L444 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:45:02,287 INFO L444 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:45:02,287 INFO L444 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:45:02,287 INFO L444 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-11-20 05:45:02,287 INFO L444 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2019-11-20 05:45:02,287 INFO L444 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2019-11-20 05:45:02,287 INFO L444 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2019-11-20 05:45:02,287 INFO L444 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-11-20 05:45:02,287 INFO L444 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-11-20 05:45:02,288 INFO L444 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:45:02,288 INFO L444 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:45:02,288 INFO L444 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:45:02,288 INFO L444 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-11-20 05:45:02,288 INFO L444 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-11-20 05:45:02,288 INFO L444 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-11-20 05:45:02,288 INFO L444 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2019-11-20 05:45:02,288 INFO L444 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2019-11-20 05:45:02,289 INFO L444 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2019-11-20 05:45:02,289 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 05:45:02,289 INFO L444 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-11-20 05:45:02,289 INFO L444 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-11-20 05:45:02,289 INFO L444 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:45:02,289 INFO L444 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:45:02,289 INFO L444 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:45:02,289 INFO L444 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-11-20 05:45:02,290 INFO L444 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2019-11-20 05:45:02,290 INFO L444 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2019-11-20 05:45:02,290 INFO L444 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2019-11-20 05:45:02,290 INFO L444 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-11-20 05:45:02,290 INFO L444 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:45:02,290 INFO L444 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:45:02,290 INFO L444 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 05:45:02,290 INFO L444 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-11-20 05:45:02,291 INFO L444 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-11-20 05:45:02,291 INFO L444 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-11-20 05:45:02,291 INFO L444 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2019-11-20 05:45:02,291 INFO L444 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2019-11-20 05:45:02,291 INFO L444 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2019-11-20 05:45:02,291 INFO L444 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2019-11-20 05:45:02,291 INFO L444 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-11-20 05:45:02,291 INFO L444 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2019-11-20 05:45:02,291 INFO L444 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-11-20 05:45:02,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 05:45:02 BoogieIcfgContainer [2019-11-20 05:45:02,324 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 05:45:02,324 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 05:45:02,324 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 05:45:02,324 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 05:45:02,325 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:44:53" (3/4) ... [2019-11-20 05:45:02,328 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 05:45:02,353 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-20 05:45:02,355 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 05:45:02,544 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_93db3327-fde2-4cba-a369-4bf6c9199957/bin/uautomizer/witness.graphml [2019-11-20 05:45:02,545 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 05:45:02,546 INFO L168 Benchmark]: Toolchain (without parser) took 11301.56 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 383.8 MB). Free memory was 946.1 MB in the beginning and 1.2 GB in the end (delta: -227.0 MB). Peak memory consumption was 156.8 MB. Max. memory is 11.5 GB. [2019-11-20 05:45:02,546 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 05:45:02,547 INFO L168 Benchmark]: CACSL2BoogieTranslator took 592.03 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.0 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -138.1 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2019-11-20 05:45:02,547 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.78 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: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 11.5 GB. [2019-11-20 05:45:02,548 INFO L168 Benchmark]: Boogie Preprocessor took 66.97 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-20 05:45:02,548 INFO L168 Benchmark]: RCFGBuilder took 1123.85 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 954.5 MB in the end (delta: 113.8 MB). Peak memory consumption was 113.8 MB. Max. memory is 11.5 GB. [2019-11-20 05:45:02,549 INFO L168 Benchmark]: TraceAbstraction took 9220.21 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 275.8 MB). Free memory was 954.5 MB in the beginning and 1.2 GB in the end (delta: -234.5 MB). Peak memory consumption was 41.3 MB. Max. memory is 11.5 GB. [2019-11-20 05:45:02,549 INFO L168 Benchmark]: Witness Printer took 220.76 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. [2019-11-20 05:45:02,552 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 592.03 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.0 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -138.1 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 73.78 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: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 66.97 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1123.85 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 954.5 MB in the end (delta: 113.8 MB). Peak memory consumption was 113.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9220.21 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 275.8 MB). Free memory was 954.5 MB in the beginning and 1.2 GB in the end (delta: -234.5 MB). Peak memory consumption was 41.3 MB. Max. memory is 11.5 GB. * Witness Printer took 220.76 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 595]: 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: ((((((((a17 == 8 && a21 == 1) && !(a28 == 11)) || ((!(a25 == 1) && a17 <= 8) && a11 == 1)) || (((8 <= a17 && a25 == 1) && a17 <= 8) && !(a28 == 11))) || (((a17 == 8 && a19 == 1) && a21 == 1) && a25 == 1)) || ((!(a19 == 1) && !(a28 == 11)) && a11 == 1)) || (((a19 <= 0 && !(a25 == 1)) || ((!(a19 == 1) && !(a25 == 1)) && !(a28 == 11))) && a11 == 1)) || (((a19 <= 0 && !(a25 == 1)) || ((!(a19 == 1) && !(a25 == 1)) && !(a28 == 11))) && a17 <= 8)) || ((a28 == 7 && a17 <= 8) && a11 == 1) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((((((((a17 == 8 && a21 == 1) && !(a28 == 11)) || ((!(a25 == 1) && a17 <= 8) && a11 == 1)) || (((8 <= a17 && a25 == 1) && a17 <= 8) && !(a28 == 11))) || (((a17 == 8 && a19 == 1) && a21 == 1) && a25 == 1)) || ((!(a19 == 1) && !(a28 == 11)) && a11 == 1)) || (((a19 <= 0 && !(a25 == 1)) || ((!(a19 == 1) && !(a25 == 1)) && !(a28 == 11))) && a11 == 1)) || (((a19 <= 0 && !(a25 == 1)) || ((!(a19 == 1) && !(a25 == 1)) && !(a28 == 11))) && a17 <= 8)) || ((a28 == 7 && a17 <= 8) && a11 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 1 error locations. Result: SAFE, OverallTime: 9.1s, OverallIterations: 8, TraceHistogramMax: 5, AutomataDifference: 5.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, HoareTripleCheckerStatistics: 1034 SDtfs, 1494 SDslu, 223 SDs, 0 SdLazy, 4004 SolverSat, 814 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 421 GetRequests, 398 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1994occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 1860 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 42 NumberOfFragments, 251 HoareAnnotationTreeSize, 3 FomulaSimplifications, 896 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 472 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1804 NumberOfCodeBlocks, 1804 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1794 ConstructedInterpolants, 0 QuantifiedInterpolants, 931440 SizeOfPredicates, 1 NumberOfNonLiveVariables, 661 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 604/610 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...