./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label05.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d5d2c4cc-8102-4bf0-97ac-2c512ac4148d/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d5d2c4cc-8102-4bf0-97ac-2c512ac4148d/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d5d2c4cc-8102-4bf0-97ac-2c512ac4148d/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d5d2c4cc-8102-4bf0-97ac-2c512ac4148d/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label05.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d5d2c4cc-8102-4bf0-97ac-2c512ac4148d/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d5d2c4cc-8102-4bf0-97ac-2c512ac4148d/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 64e5c46407a78b8946c1b8a8e041360873f42904 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:58:23,129 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:58:23,131 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:58:23,141 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:58:23,144 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:58:23,145 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:58:23,146 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:58:23,149 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:58:23,151 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:58:23,152 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:58:23,153 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:58:23,154 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:58:23,154 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:58:23,155 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:58:23,156 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:58:23,156 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:58:23,157 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:58:23,158 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:58:23,159 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:58:23,164 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:58:23,165 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:58:23,166 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:58:23,170 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:58:23,170 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:58:23,172 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:58:23,172 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:58:23,172 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:58:23,173 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:58:23,173 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:58:23,174 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:58:23,174 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:58:23,177 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:58:23,178 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:58:23,179 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:58:23,179 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:58:23,180 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:58:23,180 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:58:23,180 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:58:23,180 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:58:23,181 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:58:23,181 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:58:23,182 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d5d2c4cc-8102-4bf0-97ac-2c512ac4148d/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 08:58:23,194 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:58:23,194 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:58:23,196 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:58:23,196 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:58:23,196 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:58:23,196 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:58:23,197 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:58:23,197 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:58:23,197 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:58:23,197 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:58:23,197 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 08:58:23,197 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:58:23,198 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 08:58:23,198 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:58:23,198 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:58:23,198 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:58:23,198 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 08:58:23,198 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:58:23,199 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:58:23,199 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:58:23,201 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:58:23,201 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:58:23,201 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:58:23,201 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:58:23,202 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 08:58:23,202 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:58:23,202 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 08:58:23,202 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 08:58:23,202 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/working_dir_d5d2c4cc-8102-4bf0-97ac-2c512ac4148d/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 -> 64e5c46407a78b8946c1b8a8e041360873f42904 [2019-10-22 08:58:23,237 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:58:23,247 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:58:23,250 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:58:23,252 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:58:23,253 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:58:23,253 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d5d2c4cc-8102-4bf0-97ac-2c512ac4148d/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem14_label05.c [2019-10-22 08:58:23,300 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d5d2c4cc-8102-4bf0-97ac-2c512ac4148d/bin/uautomizer/data/5919de8aa/585a2c5e937a4eebb652dcc7bfffbe32/FLAGcacd146c0 [2019-10-22 08:58:23,787 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:58:23,787 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d5d2c4cc-8102-4bf0-97ac-2c512ac4148d/sv-benchmarks/c/eca-rers2012/Problem14_label05.c [2019-10-22 08:58:23,798 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d5d2c4cc-8102-4bf0-97ac-2c512ac4148d/bin/uautomizer/data/5919de8aa/585a2c5e937a4eebb652dcc7bfffbe32/FLAGcacd146c0 [2019-10-22 08:58:24,277 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d5d2c4cc-8102-4bf0-97ac-2c512ac4148d/bin/uautomizer/data/5919de8aa/585a2c5e937a4eebb652dcc7bfffbe32 [2019-10-22 08:58:24,280 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:58:24,281 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:58:24,282 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:58:24,282 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:58:24,286 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:58:24,295 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:58:24" (1/1) ... [2019-10-22 08:58:24,298 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7464cab6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:24, skipping insertion in model container [2019-10-22 08:58:24,298 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:58:24" (1/1) ... [2019-10-22 08:58:24,305 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:58:24,371 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:58:24,827 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:58:24,832 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:58:24,966 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:58:24,985 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:58:24,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:24 WrapperNode [2019-10-22 08:58:24,985 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:58:24,986 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:58:24,986 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:58:24,987 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:58:24,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:24" (1/1) ... [2019-10-22 08:58:25,023 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:24" (1/1) ... [2019-10-22 08:58:25,088 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:58:25,089 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:58:25,089 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:58:25,089 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:58:25,098 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:24" (1/1) ... [2019-10-22 08:58:25,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:24" (1/1) ... [2019-10-22 08:58:25,103 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:24" (1/1) ... [2019-10-22 08:58:25,104 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:24" (1/1) ... [2019-10-22 08:58:25,132 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:24" (1/1) ... [2019-10-22 08:58:25,145 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:24" (1/1) ... [2019-10-22 08:58:25,164 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:24" (1/1) ... [2019-10-22 08:58:25,177 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:58:25,178 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:58:25,178 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:58:25,178 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:58:25,179 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d5d2c4cc-8102-4bf0-97ac-2c512ac4148d/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 [2019-10-22 08:58:25,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:58:25,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:58:26,644 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:58:26,645 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-10-22 08:58:26,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:58:26 BoogieIcfgContainer [2019-10-22 08:58:26,646 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:58:26,648 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:58:26,648 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:58:26,651 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:58:26,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:58:24" (1/3) ... [2019-10-22 08:58:26,653 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32a1e715 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:58:26, skipping insertion in model container [2019-10-22 08:58:26,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:24" (2/3) ... [2019-10-22 08:58:26,654 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32a1e715 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:58:26, skipping insertion in model container [2019-10-22 08:58:26,655 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:58:26" (3/3) ... [2019-10-22 08:58:26,656 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label05.c [2019-10-22 08:58:26,666 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:58:26,673 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 08:58:26,684 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 08:58:26,713 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:58:26,713 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 08:58:26,714 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:58:26,714 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:58:26,714 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:58:26,714 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:58:26,714 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:58:26,714 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:58:26,738 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states. [2019-10-22 08:58:26,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-10-22 08:58:26,749 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:26,750 INFO L380 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] [2019-10-22 08:58:26,752 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:26,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:26,759 INFO L82 PathProgramCache]: Analyzing trace with hash -696204111, now seen corresponding path program 1 times [2019-10-22 08:58:26,767 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:26,768 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694731611] [2019-10-22 08:58:26,768 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:26,769 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:26,769 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:26,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:27,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:58:27,093 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694731611] [2019-10-22 08:58:27,094 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:27,094 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:58:27,095 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968604913] [2019-10-22 08:58:27,099 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:58:27,099 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:27,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:58:27,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:58:27,114 INFO L87 Difference]: Start difference. First operand 245 states. Second operand 4 states. [2019-10-22 08:58:28,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:28,906 INFO L93 Difference]: Finished difference Result 850 states and 1558 transitions. [2019-10-22 08:58:28,906 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 08:58:28,907 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 63 [2019-10-22 08:58:28,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:28,922 INFO L225 Difference]: With dead ends: 850 [2019-10-22 08:58:28,922 INFO L226 Difference]: Without dead ends: 538 [2019-10-22 08:58:28,925 INFO L600 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 [2019-10-22 08:58:28,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2019-10-22 08:58:28,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 538. [2019-10-22 08:58:29,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2019-10-22 08:58:29,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 826 transitions. [2019-10-22 08:58:29,004 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 826 transitions. Word has length 63 [2019-10-22 08:58:29,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:29,004 INFO L462 AbstractCegarLoop]: Abstraction has 538 states and 826 transitions. [2019-10-22 08:58:29,004 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:58:29,004 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 826 transitions. [2019-10-22 08:58:29,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-10-22 08:58:29,007 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:29,008 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:29,008 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:29,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:29,008 INFO L82 PathProgramCache]: Analyzing trace with hash 1081616636, now seen corresponding path program 1 times [2019-10-22 08:58:29,008 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:29,009 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334145557] [2019-10-22 08:58:29,009 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:29,009 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:29,009 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:29,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:29,202 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:58:29,203 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334145557] [2019-10-22 08:58:29,203 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:29,203 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:58:29,203 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588025938] [2019-10-22 08:58:29,206 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:58:29,206 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:29,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:58:29,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:58:29,207 INFO L87 Difference]: Start difference. First operand 538 states and 826 transitions. Second operand 4 states. [2019-10-22 08:58:30,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:30,346 INFO L93 Difference]: Finished difference Result 2142 states and 3296 transitions. [2019-10-22 08:58:30,347 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 08:58:30,347 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 128 [2019-10-22 08:58:30,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:30,354 INFO L225 Difference]: With dead ends: 2142 [2019-10-22 08:58:30,355 INFO L226 Difference]: Without dead ends: 1606 [2019-10-22 08:58:30,357 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:58:30,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1606 states. [2019-10-22 08:58:30,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1606 to 1606. [2019-10-22 08:58:30,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1606 states. [2019-10-22 08:58:30,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 1606 states and 2256 transitions. [2019-10-22 08:58:30,440 INFO L78 Accepts]: Start accepts. Automaton has 1606 states and 2256 transitions. Word has length 128 [2019-10-22 08:58:30,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:30,440 INFO L462 AbstractCegarLoop]: Abstraction has 1606 states and 2256 transitions. [2019-10-22 08:58:30,441 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:58:30,441 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 2256 transitions. [2019-10-22 08:58:30,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-10-22 08:58:30,444 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:30,444 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:30,445 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:30,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:30,445 INFO L82 PathProgramCache]: Analyzing trace with hash 790349030, now seen corresponding path program 1 times [2019-10-22 08:58:30,445 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:30,446 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290892522] [2019-10-22 08:58:30,446 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:30,446 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:30,446 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:30,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:30,539 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:58:30,539 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290892522] [2019-10-22 08:58:30,540 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:30,540 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:58:30,540 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716825483] [2019-10-22 08:58:30,541 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:58:30,541 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:30,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:58:30,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:58:30,542 INFO L87 Difference]: Start difference. First operand 1606 states and 2256 transitions. Second operand 4 states. [2019-10-22 08:58:31,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:31,651 INFO L93 Difference]: Finished difference Result 4990 states and 7085 transitions. [2019-10-22 08:58:31,651 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 08:58:31,651 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 131 [2019-10-22 08:58:31,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:31,662 INFO L225 Difference]: With dead ends: 4990 [2019-10-22 08:58:31,663 INFO L226 Difference]: Without dead ends: 3386 [2019-10-22 08:58:31,665 INFO L600 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 [2019-10-22 08:58:31,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3386 states. [2019-10-22 08:58:31,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3386 to 3030. [2019-10-22 08:58:31,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3030 states. [2019-10-22 08:58:31,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3030 states to 3030 states and 3981 transitions. [2019-10-22 08:58:31,727 INFO L78 Accepts]: Start accepts. Automaton has 3030 states and 3981 transitions. Word has length 131 [2019-10-22 08:58:31,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:31,728 INFO L462 AbstractCegarLoop]: Abstraction has 3030 states and 3981 transitions. [2019-10-22 08:58:31,728 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:58:31,728 INFO L276 IsEmpty]: Start isEmpty. Operand 3030 states and 3981 transitions. [2019-10-22 08:58:31,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2019-10-22 08:58:31,735 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:31,735 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:31,736 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:31,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:31,736 INFO L82 PathProgramCache]: Analyzing trace with hash 877571644, now seen corresponding path program 1 times [2019-10-22 08:58:31,736 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:31,736 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937986289] [2019-10-22 08:58:31,736 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:31,736 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:31,737 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:31,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:32,023 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 257 proven. 4 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2019-10-22 08:58:32,024 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937986289] [2019-10-22 08:58:32,024 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1351347795] [2019-10-22 08:58:32,024 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d5d2c4cc-8102-4bf0-97ac-2c512ac4148d/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 [2019-10-22 08:58:32,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:32,113 INFO L256 TraceCheckSpWp]: Trace formula consists of 393 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 08:58:32,127 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:58:32,306 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 182 proven. 0 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2019-10-22 08:58:32,306 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-22 08:58:32,306 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2019-10-22 08:58:32,307 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011499457] [2019-10-22 08:58:32,307 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:58:32,309 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:32,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:58:32,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-10-22 08:58:32,309 INFO L87 Difference]: Start difference. First operand 3030 states and 3981 transitions. Second operand 3 states. [2019-10-22 08:58:32,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:32,981 INFO L93 Difference]: Finished difference Result 6770 states and 8919 transitions. [2019-10-22 08:58:32,982 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:58:32,982 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 288 [2019-10-22 08:58:32,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:32,995 INFO L225 Difference]: With dead ends: 6770 [2019-10-22 08:58:32,996 INFO L226 Difference]: Without dead ends: 3920 [2019-10-22 08:58:32,999 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 292 GetRequests, 287 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-10-22 08:58:33,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3920 states. [2019-10-22 08:58:33,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3920 to 3030. [2019-10-22 08:58:33,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3030 states. [2019-10-22 08:58:33,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3030 states to 3030 states and 3981 transitions. [2019-10-22 08:58:33,071 INFO L78 Accepts]: Start accepts. Automaton has 3030 states and 3981 transitions. Word has length 288 [2019-10-22 08:58:33,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:33,073 INFO L462 AbstractCegarLoop]: Abstraction has 3030 states and 3981 transitions. [2019-10-22 08:58:33,074 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:58:33,074 INFO L276 IsEmpty]: Start isEmpty. Operand 3030 states and 3981 transitions. [2019-10-22 08:58:33,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2019-10-22 08:58:33,078 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:33,079 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-10-22 08:58:33,279 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:58:33,280 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:33,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:33,280 INFO L82 PathProgramCache]: Analyzing trace with hash 507936602, now seen corresponding path program 1 times [2019-10-22 08:58:33,281 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:33,281 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117921348] [2019-10-22 08:58:33,281 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:33,281 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:33,281 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:33,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:33,595 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 261 proven. 4 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2019-10-22 08:58:33,595 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117921348] [2019-10-22 08:58:33,595 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1145097489] [2019-10-22 08:58:33,596 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d5d2c4cc-8102-4bf0-97ac-2c512ac4148d/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 [2019-10-22 08:58:33,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:33,674 INFO L256 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 08:58:33,678 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:58:33,810 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 182 proven. 0 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2019-10-22 08:58:33,810 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-22 08:58:33,810 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2019-10-22 08:58:33,810 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031410805] [2019-10-22 08:58:33,811 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:58:33,811 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:33,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:58:33,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-10-22 08:58:33,812 INFO L87 Difference]: Start difference. First operand 3030 states and 3981 transitions. Second operand 3 states. [2019-10-22 08:58:34,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:34,490 INFO L93 Difference]: Finished difference Result 6770 states and 9003 transitions. [2019-10-22 08:58:34,490 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:58:34,490 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 320 [2019-10-22 08:58:34,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:34,504 INFO L225 Difference]: With dead ends: 6770 [2019-10-22 08:58:34,504 INFO L226 Difference]: Without dead ends: 3920 [2019-10-22 08:58:34,508 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 324 GetRequests, 319 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-10-22 08:58:34,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3920 states. [2019-10-22 08:58:34,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3920 to 3742. [2019-10-22 08:58:34,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3742 states. [2019-10-22 08:58:34,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3742 states to 3742 states and 4813 transitions. [2019-10-22 08:58:34,583 INFO L78 Accepts]: Start accepts. Automaton has 3742 states and 4813 transitions. Word has length 320 [2019-10-22 08:58:34,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:34,584 INFO L462 AbstractCegarLoop]: Abstraction has 3742 states and 4813 transitions. [2019-10-22 08:58:34,584 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:58:34,584 INFO L276 IsEmpty]: Start isEmpty. Operand 3742 states and 4813 transitions. [2019-10-22 08:58:34,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2019-10-22 08:58:34,590 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:34,591 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:34,791 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:58:34,792 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:34,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:34,792 INFO L82 PathProgramCache]: Analyzing trace with hash 1406529275, now seen corresponding path program 1 times [2019-10-22 08:58:34,792 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:34,792 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880683229] [2019-10-22 08:58:34,792 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:34,793 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:34,793 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:34,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:35,071 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 272 proven. 4 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2019-10-22 08:58:35,072 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880683229] [2019-10-22 08:58:35,072 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1080263492] [2019-10-22 08:58:35,072 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d5d2c4cc-8102-4bf0-97ac-2c512ac4148d/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:58:35,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:35,149 INFO L256 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 08:58:35,153 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:58:35,255 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 182 proven. 0 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2019-10-22 08:58:35,256 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-22 08:58:35,256 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2019-10-22 08:58:35,256 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631692436] [2019-10-22 08:58:35,257 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:58:35,257 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:35,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:58:35,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-22 08:58:35,258 INFO L87 Difference]: Start difference. First operand 3742 states and 4813 transitions. Second operand 3 states. [2019-10-22 08:58:36,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:36,015 INFO L93 Difference]: Finished difference Result 7838 states and 10166 transitions. [2019-10-22 08:58:36,022 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:58:36,022 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 346 [2019-10-22 08:58:36,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:36,034 INFO L225 Difference]: With dead ends: 7838 [2019-10-22 08:58:36,034 INFO L226 Difference]: Without dead ends: 4276 [2019-10-22 08:58:36,038 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 350 GetRequests, 345 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-22 08:58:36,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4276 states. [2019-10-22 08:58:36,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4276 to 3742. [2019-10-22 08:58:36,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3742 states. [2019-10-22 08:58:36,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3742 states to 3742 states and 4570 transitions. [2019-10-22 08:58:36,106 INFO L78 Accepts]: Start accepts. Automaton has 3742 states and 4570 transitions. Word has length 346 [2019-10-22 08:58:36,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:36,106 INFO L462 AbstractCegarLoop]: Abstraction has 3742 states and 4570 transitions. [2019-10-22 08:58:36,106 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:58:36,106 INFO L276 IsEmpty]: Start isEmpty. Operand 3742 states and 4570 transitions. [2019-10-22 08:58:36,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2019-10-22 08:58:36,114 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:36,115 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:36,315 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:58:36,316 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:36,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:36,316 INFO L82 PathProgramCache]: Analyzing trace with hash 2140168294, now seen corresponding path program 1 times [2019-10-22 08:58:36,316 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:36,316 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642199168] [2019-10-22 08:58:36,317 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:36,317 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:36,317 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:36,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:36,571 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 272 proven. 4 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2019-10-22 08:58:36,571 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642199168] [2019-10-22 08:58:36,571 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [969389527] [2019-10-22 08:58:36,572 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d5d2c4cc-8102-4bf0-97ac-2c512ac4148d/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:58:36,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:36,649 INFO L256 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-22 08:58:36,652 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:58:36,794 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 318 proven. 51 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2019-10-22 08:58:36,794 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-22 08:58:36,794 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 8 [2019-10-22 08:58:36,794 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024685321] [2019-10-22 08:58:36,795 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-22 08:58:36,795 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:36,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-22 08:58:36,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-22 08:58:36,796 INFO L87 Difference]: Start difference. First operand 3742 states and 4570 transitions. Second operand 8 states. [2019-10-22 08:58:39,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:39,169 INFO L93 Difference]: Finished difference Result 8260 states and 10055 transitions. [2019-10-22 08:58:39,169 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-22 08:58:39,169 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 376 [2019-10-22 08:58:39,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:39,170 INFO L225 Difference]: With dead ends: 8260 [2019-10-22 08:58:39,170 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 08:58:39,175 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 386 GetRequests, 376 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2019-10-22 08:58:39,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 08:58:39,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 08:58:39,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 08:58:39,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 08:58:39,176 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 376 [2019-10-22 08:58:39,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:39,176 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:58:39,177 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-22 08:58:39,177 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 08:58:39,177 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 08:58:39,377 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:58:39,380 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 08:58:39,603 INFO L443 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2019-10-22 08:58:39,603 INFO L443 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2019-10-22 08:58:39,603 INFO L443 ceAbstractionStarter]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:58:39,603 INFO L443 ceAbstractionStarter]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:58:39,603 INFO L443 ceAbstractionStarter]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:58:39,603 INFO L443 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2019-10-22 08:58:39,603 INFO L443 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2019-10-22 08:58:39,604 INFO L443 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2019-10-22 08:58:39,604 INFO L443 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2019-10-22 08:58:39,604 INFO L443 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2019-10-22 08:58:39,604 INFO L443 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2019-10-22 08:58:39,604 INFO L443 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2019-10-22 08:58:39,604 INFO L443 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2019-10-22 08:58:39,604 INFO L443 ceAbstractionStarter]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:58:39,604 INFO L443 ceAbstractionStarter]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:58:39,604 INFO L443 ceAbstractionStarter]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:58:39,604 INFO L443 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2019-10-22 08:58:39,604 INFO L443 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2019-10-22 08:58:39,604 INFO L443 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2019-10-22 08:58:39,604 INFO L443 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2019-10-22 08:58:39,604 INFO L443 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2019-10-22 08:58:39,605 INFO L443 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2019-10-22 08:58:39,605 INFO L443 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2019-10-22 08:58:39,605 INFO L443 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2019-10-22 08:58:39,605 INFO L443 ceAbstractionStarter]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:58:39,605 INFO L443 ceAbstractionStarter]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:58:39,605 INFO L443 ceAbstractionStarter]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:58:39,605 INFO L443 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2019-10-22 08:58:39,605 INFO L443 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-10-22 08:58:39,605 INFO L443 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2019-10-22 08:58:39,605 INFO L443 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2019-10-22 08:58:39,605 INFO L443 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2019-10-22 08:58:39,605 INFO L443 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2019-10-22 08:58:39,605 INFO L443 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2019-10-22 08:58:39,606 INFO L443 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2019-10-22 08:58:39,606 INFO L443 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2019-10-22 08:58:39,606 INFO L443 ceAbstractionStarter]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:58:39,606 INFO L443 ceAbstractionStarter]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:58:39,606 INFO L443 ceAbstractionStarter]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:58:39,606 INFO L443 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2019-10-22 08:58:39,606 INFO L443 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2019-10-22 08:58:39,606 INFO L443 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2019-10-22 08:58:39,606 INFO L443 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2019-10-22 08:58:39,606 INFO L443 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2019-10-22 08:58:39,606 INFO L443 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2019-10-22 08:58:39,606 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2019-10-22 08:58:39,606 INFO L443 ceAbstractionStarter]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:58:39,606 INFO L443 ceAbstractionStarter]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:58:39,607 INFO L443 ceAbstractionStarter]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:58:39,607 INFO L443 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2019-10-22 08:58:39,607 INFO L443 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2019-10-22 08:58:39,608 INFO L443 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2019-10-22 08:58:39,608 INFO L443 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2019-10-22 08:58:39,608 INFO L443 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2019-10-22 08:58:39,608 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 193) no Hoare annotation was computed. [2019-10-22 08:58:39,608 INFO L443 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2019-10-22 08:58:39,608 INFO L443 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2019-10-22 08:58:39,608 INFO L443 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2019-10-22 08:58:39,608 INFO L443 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2019-10-22 08:58:39,609 INFO L443 ceAbstractionStarter]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:58:39,609 INFO L443 ceAbstractionStarter]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:58:39,609 INFO L443 ceAbstractionStarter]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:58:39,609 INFO L443 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2019-10-22 08:58:39,609 INFO L443 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2019-10-22 08:58:39,609 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-10-22 08:58:39,609 INFO L443 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2019-10-22 08:58:39,609 INFO L443 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2019-10-22 08:58:39,610 INFO L443 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2019-10-22 08:58:39,610 INFO L443 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2019-10-22 08:58:39,610 INFO L443 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2019-10-22 08:58:39,610 INFO L443 ceAbstractionStarter]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:58:39,610 INFO L443 ceAbstractionStarter]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:58:39,610 INFO L443 ceAbstractionStarter]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:58:39,610 INFO L443 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2019-10-22 08:58:39,610 INFO L443 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2019-10-22 08:58:39,610 INFO L443 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2019-10-22 08:58:39,610 INFO L443 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2019-10-22 08:58:39,610 INFO L443 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2019-10-22 08:58:39,611 INFO L443 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2019-10-22 08:58:39,611 INFO L443 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2019-10-22 08:58:39,611 INFO L443 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2019-10-22 08:58:39,611 INFO L443 ceAbstractionStarter]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:58:39,611 INFO L443 ceAbstractionStarter]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:58:39,611 INFO L443 ceAbstractionStarter]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:58:39,611 INFO L443 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2019-10-22 08:58:39,611 INFO L443 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2019-10-22 08:58:39,611 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 08:58:39,611 INFO L443 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2019-10-22 08:58:39,611 INFO L443 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2019-10-22 08:58:39,612 INFO L443 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2019-10-22 08:58:39,612 INFO L443 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2019-10-22 08:58:39,612 INFO L443 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2019-10-22 08:58:39,612 INFO L443 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2019-10-22 08:58:39,612 INFO L443 ceAbstractionStarter]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:58:39,612 INFO L443 ceAbstractionStarter]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:58:39,612 INFO L443 ceAbstractionStarter]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:58:39,612 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-10-22 08:58:39,612 INFO L443 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-10-22 08:58:39,612 INFO L443 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2019-10-22 08:58:39,612 INFO L443 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2019-10-22 08:58:39,612 INFO L443 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2019-10-22 08:58:39,612 INFO L443 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2019-10-22 08:58:39,613 INFO L443 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2019-10-22 08:58:39,613 INFO L443 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2019-10-22 08:58:39,613 INFO L443 ceAbstractionStarter]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:58:39,613 INFO L443 ceAbstractionStarter]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:58:39,613 INFO L443 ceAbstractionStarter]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:58:39,613 INFO L443 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2019-10-22 08:58:39,613 INFO L443 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2019-10-22 08:58:39,613 INFO L443 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2019-10-22 08:58:39,613 INFO L443 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-10-22 08:58:39,613 INFO L443 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2019-10-22 08:58:39,613 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2019-10-22 08:58:39,613 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 08:58:39,613 INFO L443 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2019-10-22 08:58:39,613 INFO L443 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2019-10-22 08:58:39,614 INFO L443 ceAbstractionStarter]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:58:39,614 INFO L443 ceAbstractionStarter]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:58:39,614 INFO L443 ceAbstractionStarter]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:58:39,614 INFO L443 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2019-10-22 08:58:39,614 INFO L443 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2019-10-22 08:58:39,614 INFO L443 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2019-10-22 08:58:39,614 INFO L443 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2019-10-22 08:58:39,614 INFO L443 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2019-10-22 08:58:39,614 INFO L443 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2019-10-22 08:58:39,614 INFO L443 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2019-10-22 08:58:39,614 INFO L443 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2019-10-22 08:58:39,614 INFO L443 ceAbstractionStarter]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:58:39,614 INFO L443 ceAbstractionStarter]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:58:39,615 INFO L443 ceAbstractionStarter]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:58:39,615 INFO L443 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2019-10-22 08:58:39,615 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-10-22 08:58:39,615 INFO L443 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2019-10-22 08:58:39,616 INFO L443 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2019-10-22 08:58:39,616 INFO L443 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2019-10-22 08:58:39,616 INFO L443 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2019-10-22 08:58:39,616 INFO L443 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2019-10-22 08:58:39,616 INFO L443 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2019-10-22 08:58:39,616 INFO L443 ceAbstractionStarter]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:58:39,616 INFO L443 ceAbstractionStarter]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:58:39,616 INFO L443 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2019-10-22 08:58:39,617 INFO L443 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2019-10-22 08:58:39,617 INFO L443 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2019-10-22 08:58:39,617 INFO L443 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2019-10-22 08:58:39,617 INFO L443 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2019-10-22 08:58:39,617 INFO L443 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2019-10-22 08:58:39,617 INFO L443 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2019-10-22 08:58:39,617 INFO L443 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2019-10-22 08:58:39,617 INFO L443 ceAbstractionStarter]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:58:39,617 INFO L443 ceAbstractionStarter]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:58:39,617 INFO L443 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2019-10-22 08:58:39,617 INFO L443 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2019-10-22 08:58:39,617 INFO L443 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2019-10-22 08:58:39,617 INFO L443 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2019-10-22 08:58:39,618 INFO L443 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2019-10-22 08:58:39,618 INFO L443 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2019-10-22 08:58:39,618 INFO L443 ceAbstractionStarter]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:58:39,618 INFO L443 ceAbstractionStarter]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:58:39,618 INFO L439 ceAbstractionStarter]: At program point L871(lines 20 872) the Hoare annotation is: (let ((.cse3 (not (= 5 ~a15~0)))) (let ((.cse1 (<= ~a21~0 6)) (.cse2 (let ((.cse4 (<= (+ ~a12~0 43) 0))) (or (and (not (= ~a21~0 9)) .cse4) (and .cse4 .cse3) (<= (+ ~a12~0 49) 0)))) (.cse0 (= ~a24~0 1))) (or (and .cse0 .cse1) (and .cse2 .cse1) (and .cse0 (= ~a21~0 10)) (and .cse2 .cse0) (and .cse0 .cse3) (and (< 11 ~a12~0) .cse0)))) [2019-10-22 08:58:39,618 INFO L443 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2019-10-22 08:58:39,618 INFO L443 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2019-10-22 08:58:39,618 INFO L443 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2019-10-22 08:58:39,619 INFO L443 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2019-10-22 08:58:39,619 INFO L443 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2019-10-22 08:58:39,619 INFO L443 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2019-10-22 08:58:39,619 INFO L443 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2019-10-22 08:58:39,619 INFO L443 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2019-10-22 08:58:39,619 INFO L443 ceAbstractionStarter]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:58:39,619 INFO L443 ceAbstractionStarter]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:58:39,619 INFO L446 ceAbstractionStarter]: At program point L874(lines 874 890) the Hoare annotation is: true [2019-10-22 08:58:39,619 INFO L443 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2019-10-22 08:58:39,619 INFO L443 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2019-10-22 08:58:39,619 INFO L443 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2019-10-22 08:58:39,619 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-10-22 08:58:39,619 INFO L443 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2019-10-22 08:58:39,620 INFO L443 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2019-10-22 08:58:39,620 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2019-10-22 08:58:39,620 INFO L443 ceAbstractionStarter]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:58:39,620 INFO L443 ceAbstractionStarter]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:58:39,620 INFO L443 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2019-10-22 08:58:39,620 INFO L443 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2019-10-22 08:58:39,620 INFO L443 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2019-10-22 08:58:39,620 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-10-22 08:58:39,620 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 08:58:39,620 INFO L443 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2019-10-22 08:58:39,620 INFO L443 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2019-10-22 08:58:39,620 INFO L443 ceAbstractionStarter]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:58:39,621 INFO L443 ceAbstractionStarter]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:58:39,621 INFO L443 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2019-10-22 08:58:39,621 INFO L443 ceAbstractionStarter]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:58:39,621 INFO L443 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2019-10-22 08:58:39,621 INFO L439 ceAbstractionStarter]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse3 (not (= 5 ~a15~0)))) (let ((.cse1 (<= ~a21~0 6)) (.cse2 (let ((.cse4 (<= (+ ~a12~0 43) 0))) (or (and (not (= ~a21~0 9)) .cse4) (and .cse4 .cse3) (<= (+ ~a12~0 49) 0)))) (.cse0 (= ~a24~0 1))) (or (and .cse0 .cse1) (and .cse2 .cse1) (and .cse0 (= ~a21~0 10)) (and .cse2 .cse0) (and .cse0 .cse3) (and (< 11 ~a12~0) .cse0)))) [2019-10-22 08:58:39,621 INFO L443 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2019-10-22 08:58:39,621 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2019-10-22 08:58:39,621 INFO L443 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2019-10-22 08:58:39,621 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-10-22 08:58:39,621 INFO L443 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2019-10-22 08:58:39,622 INFO L443 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2019-10-22 08:58:39,622 INFO L443 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2019-10-22 08:58:39,622 INFO L443 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2019-10-22 08:58:39,622 INFO L443 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2019-10-22 08:58:39,622 INFO L443 ceAbstractionStarter]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:58:39,622 INFO L443 ceAbstractionStarter]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:58:39,622 INFO L443 ceAbstractionStarter]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:58:39,622 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2019-10-22 08:58:39,622 INFO L443 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2019-10-22 08:58:39,622 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-10-22 08:58:39,622 INFO L443 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2019-10-22 08:58:39,623 INFO L443 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2019-10-22 08:58:39,623 INFO L443 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2019-10-22 08:58:39,623 INFO L443 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2019-10-22 08:58:39,624 INFO L443 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2019-10-22 08:58:39,624 INFO L443 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2019-10-22 08:58:39,624 INFO L443 ceAbstractionStarter]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:58:39,624 INFO L443 ceAbstractionStarter]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:58:39,625 INFO L443 ceAbstractionStarter]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:58:39,625 INFO L443 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2019-10-22 08:58:39,625 INFO L443 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2019-10-22 08:58:39,625 INFO L443 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2019-10-22 08:58:39,625 INFO L443 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2019-10-22 08:58:39,625 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 08:58:39,625 INFO L443 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2019-10-22 08:58:39,625 INFO L443 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2019-10-22 08:58:39,625 INFO L443 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2019-10-22 08:58:39,625 INFO L443 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2019-10-22 08:58:39,625 INFO L443 ceAbstractionStarter]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:58:39,625 INFO L443 ceAbstractionStarter]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:58:39,625 INFO L443 ceAbstractionStarter]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:58:39,626 INFO L443 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2019-10-22 08:58:39,626 INFO L443 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2019-10-22 08:58:39,626 INFO L443 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2019-10-22 08:58:39,626 INFO L443 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2019-10-22 08:58:39,626 INFO L443 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2019-10-22 08:58:39,626 INFO L443 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2019-10-22 08:58:39,626 INFO L443 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2019-10-22 08:58:39,626 INFO L443 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2019-10-22 08:58:39,626 INFO L443 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2019-10-22 08:58:39,626 INFO L443 ceAbstractionStarter]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:58:39,626 INFO L443 ceAbstractionStarter]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:58:39,626 INFO L443 ceAbstractionStarter]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 08:58:39,626 INFO L443 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2019-10-22 08:58:39,626 INFO L443 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2019-10-22 08:58:39,626 INFO L443 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2019-10-22 08:58:39,627 INFO L443 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2019-10-22 08:58:39,627 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2019-10-22 08:58:39,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 08:58:39 BoogieIcfgContainer [2019-10-22 08:58:39,642 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 08:58:39,643 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:58:39,643 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:58:39,643 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:58:39,644 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:58:26" (3/4) ... [2019-10-22 08:58:39,647 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 08:58:39,664 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 08:58:39,665 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 08:58:39,799 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d5d2c4cc-8102-4bf0-97ac-2c512ac4148d/bin/uautomizer/witness.graphml [2019-10-22 08:58:39,802 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:58:39,804 INFO L168 Benchmark]: Toolchain (without parser) took 15522.19 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 744.5 MB). Free memory was 937.8 MB in the beginning and 1.2 GB in the end (delta: -266.4 MB). Peak memory consumption was 478.1 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:39,804 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:58:39,805 INFO L168 Benchmark]: CACSL2BoogieTranslator took 703.91 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 937.8 MB in the beginning and 1.1 GB in the end (delta: -140.0 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:39,805 INFO L168 Benchmark]: Boogie Procedure Inliner took 102.29 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: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:39,805 INFO L168 Benchmark]: Boogie Preprocessor took 89.09 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. [2019-10-22 08:58:39,806 INFO L168 Benchmark]: RCFGBuilder took 1468.12 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 931.3 MB in the end (delta: 125.6 MB). Peak memory consumption was 125.6 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:39,806 INFO L168 Benchmark]: TraceAbstraction took 12994.46 ms. Allocated memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: 627.6 MB). Free memory was 931.3 MB in the beginning and 1.2 GB in the end (delta: -298.0 MB). Peak memory consumption was 329.6 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:39,806 INFO L168 Benchmark]: Witness Printer took 159.48 ms. Allocated memory is still 1.8 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:39,808 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 703.91 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 937.8 MB in the beginning and 1.1 GB in the end (delta: -140.0 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 102.29 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: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 89.09 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 1468.12 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 931.3 MB in the end (delta: 125.6 MB). Peak memory consumption was 125.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 12994.46 ms. Allocated memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: 627.6 MB). Free memory was 931.3 MB in the beginning and 1.2 GB in the end (delta: -298.0 MB). Peak memory consumption was 329.6 MB. Max. memory is 11.5 GB. * Witness Printer took 159.48 ms. Allocated memory is still 1.8 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 193]: 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: 880]: Loop Invariant Derived loop invariant: (((((a24 == 1 && a21 <= 6) || ((((!(a21 == 9) && a12 + 43 <= 0) || (a12 + 43 <= 0 && !(5 == a15))) || a12 + 49 <= 0) && a21 <= 6)) || (a24 == 1 && a21 == 10)) || ((((!(a21 == 9) && a12 + 43 <= 0) || (a12 + 43 <= 0 && !(5 == a15))) || a12 + 49 <= 0) && a24 == 1)) || (a24 == 1 && !(5 == a15))) || (11 < a12 && a24 == 1) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((((a24 == 1 && a21 <= 6) || ((((!(a21 == 9) && a12 + 43 <= 0) || (a12 + 43 <= 0 && !(5 == a15))) || a12 + 49 <= 0) && a21 <= 6)) || (a24 == 1 && a21 == 10)) || ((((!(a21 == 9) && a12 + 43 <= 0) || (a12 + 43 <= 0 && !(5 == a15))) || a12 + 49 <= 0) && a24 == 1)) || (a24 == 1 && !(5 == a15))) || (11 < a12 && a24 == 1) - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 245 locations, 1 error locations. Result: SAFE, OverallTime: 12.9s, OverallIterations: 7, TraceHistogramMax: 4, AutomataDifference: 8.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 835 SDtfs, 2210 SDslu, 87 SDs, 0 SdLazy, 6963 SolverSat, 1440 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1362 GetRequests, 1330 SyntacticMatches, 5 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3742occurred 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: 0.4s AutomataMinimizationTime, 7 MinimizatonAttempts, 1958 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 64 NumberOfFragments, 181 HoareAnnotationTreeSize, 3 FomulaSimplifications, 2390 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 160 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 2982 NumberOfCodeBlocks, 2982 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2971 ConstructedInterpolants, 0 QuantifiedInterpolants, 2795198 SizeOfPredicates, 7 NumberOfNonLiveVariables, 1752 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 11 InterpolantComputations, 6 PerfectInterpolantSequences, 3397/3464 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...