./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label07.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/run_dir_682eaeba-10f9-4c2d-9b3d-53a8303c8f7d/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_682eaeba-10f9-4c2d-9b3d-53a8303c8f7d/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_682eaeba-10f9-4c2d-9b3d-53a8303c8f7d/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_682eaeba-10f9-4c2d-9b3d-53a8303c8f7d/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label07.c -s /tmp/vcloud-vcloud-master/worker/run_dir_682eaeba-10f9-4c2d-9b3d-53a8303c8f7d/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_682eaeba-10f9-4c2d-9b3d-53a8303c8f7d/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 f00fa7f90af487ebbfd04394bf815b5a9b100931 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 23:46:02,164 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 23:46:02,166 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 23:46:02,175 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 23:46:02,176 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 23:46:02,176 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 23:46:02,178 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 23:46:02,180 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 23:46:02,181 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 23:46:02,182 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 23:46:02,183 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 23:46:02,184 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 23:46:02,184 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 23:46:02,185 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 23:46:02,186 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 23:46:02,187 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 23:46:02,188 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 23:46:02,188 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 23:46:02,190 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 23:46:02,192 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 23:46:02,194 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 23:46:02,195 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 23:46:02,196 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 23:46:02,196 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 23:46:02,199 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 23:46:02,199 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 23:46:02,199 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 23:46:02,200 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 23:46:02,200 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 23:46:02,201 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 23:46:02,201 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 23:46:02,202 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 23:46:02,203 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 23:46:02,203 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 23:46:02,204 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 23:46:02,205 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 23:46:02,205 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 23:46:02,206 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 23:46:02,206 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 23:46:02,207 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 23:46:02,207 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 23:46:02,208 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_682eaeba-10f9-4c2d-9b3d-53a8303c8f7d/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-15 23:46:02,221 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 23:46:02,221 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 23:46:02,222 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 23:46:02,222 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 23:46:02,223 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 23:46:02,223 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 23:46:02,223 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 23:46:02,224 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 23:46:02,224 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 23:46:02,224 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 23:46:02,224 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 23:46:02,224 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 23:46:02,225 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 23:46:02,225 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 23:46:02,225 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 23:46:02,225 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 23:46:02,226 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 23:46:02,226 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 23:46:02,226 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 23:46:02,226 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 23:46:02,227 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 23:46:02,227 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 23:46:02,227 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 23:46:02,227 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 23:46:02,228 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 23:46:02,228 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 23:46:02,228 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 23:46:02,228 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 23:46:02,229 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_682eaeba-10f9-4c2d-9b3d-53a8303c8f7d/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 -> f00fa7f90af487ebbfd04394bf815b5a9b100931 [2019-11-15 23:46:02,254 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 23:46:02,263 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 23:46:02,266 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 23:46:02,267 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 23:46:02,268 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 23:46:02,268 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_682eaeba-10f9-4c2d-9b3d-53a8303c8f7d/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem10_label07.c [2019-11-15 23:46:02,323 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_682eaeba-10f9-4c2d-9b3d-53a8303c8f7d/bin/uautomizer/data/fe7a2f0d5/3516df48d1c546478a0b44ea93b98b48/FLAGe7152e3e1 [2019-11-15 23:46:02,846 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 23:46:02,847 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_682eaeba-10f9-4c2d-9b3d-53a8303c8f7d/sv-benchmarks/c/eca-rers2012/Problem10_label07.c [2019-11-15 23:46:02,860 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_682eaeba-10f9-4c2d-9b3d-53a8303c8f7d/bin/uautomizer/data/fe7a2f0d5/3516df48d1c546478a0b44ea93b98b48/FLAGe7152e3e1 [2019-11-15 23:46:03,285 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_682eaeba-10f9-4c2d-9b3d-53a8303c8f7d/bin/uautomizer/data/fe7a2f0d5/3516df48d1c546478a0b44ea93b98b48 [2019-11-15 23:46:03,288 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 23:46:03,289 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 23:46:03,290 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 23:46:03,290 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 23:46:03,293 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 23:46:03,294 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:46:03" (1/1) ... [2019-11-15 23:46:03,296 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d45d96b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:46:03, skipping insertion in model container [2019-11-15 23:46:03,297 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:46:03" (1/1) ... [2019-11-15 23:46:03,303 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 23:46:03,347 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 23:46:03,764 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:46:03,768 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 23:46:03,850 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:46:03,863 INFO L192 MainTranslator]: Completed translation [2019-11-15 23:46:03,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:46:03 WrapperNode [2019-11-15 23:46:03,864 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 23:46:03,864 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 23:46:03,865 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 23:46:03,865 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 23:46:03,872 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:46:03" (1/1) ... [2019-11-15 23:46:03,887 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:46:03" (1/1) ... [2019-11-15 23:46:03,943 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 23:46:03,949 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 23:46:03,950 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 23:46:03,950 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 23:46:03,956 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:46:03" (1/1) ... [2019-11-15 23:46:03,956 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:46:03" (1/1) ... [2019-11-15 23:46:03,960 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:46:03" (1/1) ... [2019-11-15 23:46:03,960 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:46:03" (1/1) ... [2019-11-15 23:46:03,986 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:46:03" (1/1) ... [2019-11-15 23:46:03,996 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:46:03" (1/1) ... [2019-11-15 23:46:04,004 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:46:03" (1/1) ... [2019-11-15 23:46:04,023 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 23:46:04,024 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 23:46:04,024 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 23:46:04,024 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 23:46:04,025 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:46:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_682eaeba-10f9-4c2d-9b3d-53a8303c8f7d/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 23:46:04,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 23:46:04,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 23:46:05,383 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 23:46:05,383 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-15 23:46:05,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:46:05 BoogieIcfgContainer [2019-11-15 23:46:05,384 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 23:46:05,385 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 23:46:05,385 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 23:46:05,387 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 23:46:05,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 11:46:03" (1/3) ... [2019-11-15 23:46:05,388 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@776040b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:46:05, skipping insertion in model container [2019-11-15 23:46:05,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:46:03" (2/3) ... [2019-11-15 23:46:05,389 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@776040b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:46:05, skipping insertion in model container [2019-11-15 23:46:05,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:46:05" (3/3) ... [2019-11-15 23:46:05,392 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label07.c [2019-11-15 23:46:05,401 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 23:46:05,409 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 23:46:05,419 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 23:46:05,450 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 23:46:05,450 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 23:46:05,451 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 23:46:05,451 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 23:46:05,451 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 23:46:05,452 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 23:46:05,452 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 23:46:05,452 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 23:46:05,473 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states. [2019-11-15 23:46:05,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-15 23:46:05,486 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:46:05,487 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] [2019-11-15 23:46:05,489 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:46:05,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:46:05,496 INFO L82 PathProgramCache]: Analyzing trace with hash -2068820151, now seen corresponding path program 1 times [2019-11-15 23:46:05,505 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:46:05,505 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206359925] [2019-11-15 23:46:05,505 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:46:05,506 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:46:05,506 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:46:05,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:46:05,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:46:05,763 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206359925] [2019-11-15 23:46:05,764 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:46:05,764 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 23:46:05,764 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727429172] [2019-11-15 23:46:05,768 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 23:46:05,769 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:46:05,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 23:46:05,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 23:46:05,784 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 4 states. [2019-11-15 23:46:07,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:46:07,383 INFO L93 Difference]: Finished difference Result 709 states and 1261 transitions. [2019-11-15 23:46:07,383 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 23:46:07,384 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 45 [2019-11-15 23:46:07,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:46:07,400 INFO L225 Difference]: With dead ends: 709 [2019-11-15 23:46:07,400 INFO L226 Difference]: Without dead ends: 421 [2019-11-15 23:46:07,404 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 [2019-11-15 23:46:07,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2019-11-15 23:46:07,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 282. [2019-11-15 23:46:07,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2019-11-15 23:46:07,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 432 transitions. [2019-11-15 23:46:07,473 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 432 transitions. Word has length 45 [2019-11-15 23:46:07,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:46:07,474 INFO L462 AbstractCegarLoop]: Abstraction has 282 states and 432 transitions. [2019-11-15 23:46:07,474 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 23:46:07,474 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 432 transitions. [2019-11-15 23:46:07,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2019-11-15 23:46:07,481 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:46:07,482 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:46:07,483 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:46:07,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:46:07,483 INFO L82 PathProgramCache]: Analyzing trace with hash 5391356, now seen corresponding path program 1 times [2019-11-15 23:46:07,483 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:46:07,484 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653832065] [2019-11-15 23:46:07,484 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:46:07,484 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:46:07,485 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:46:07,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:46:07,926 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 37 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:46:07,927 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653832065] [2019-11-15 23:46:07,927 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [505071918] [2019-11-15 23:46:07,927 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_682eaeba-10f9-4c2d-9b3d-53a8303c8f7d/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:46:07,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:46:07,997 INFO L256 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-15 23:46:08,004 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:46:08,057 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2019-11-15 23:46:08,057 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-15 23:46:08,058 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 7 [2019-11-15 23:46:08,058 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926159487] [2019-11-15 23:46:08,060 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 23:46:08,060 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:46:08,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 23:46:08,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-15 23:46:08,061 INFO L87 Difference]: Start difference. First operand 282 states and 432 transitions. Second operand 3 states. [2019-11-15 23:46:08,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:46:08,613 INFO L93 Difference]: Finished difference Result 562 states and 862 transitions. [2019-11-15 23:46:08,614 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 23:46:08,614 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 111 [2019-11-15 23:46:08,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:46:08,619 INFO L225 Difference]: With dead ends: 562 [2019-11-15 23:46:08,619 INFO L226 Difference]: Without dead ends: 560 [2019-11-15 23:46:08,620 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-15 23:46:08,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2019-11-15 23:46:08,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 282. [2019-11-15 23:46:08,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2019-11-15 23:46:08,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 432 transitions. [2019-11-15 23:46:08,641 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 432 transitions. Word has length 111 [2019-11-15 23:46:08,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:46:08,642 INFO L462 AbstractCegarLoop]: Abstraction has 282 states and 432 transitions. [2019-11-15 23:46:08,642 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 23:46:08,643 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 432 transitions. [2019-11-15 23:46:08,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2019-11-15 23:46:08,646 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:46:08,646 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:46:08,850 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:46:08,850 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:46:08,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:46:08,851 INFO L82 PathProgramCache]: Analyzing trace with hash 305911779, now seen corresponding path program 1 times [2019-11-15 23:46:08,851 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:46:08,851 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678333332] [2019-11-15 23:46:08,852 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:46:08,855 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:46:08,857 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:46:08,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:46:09,028 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:46:09,028 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678333332] [2019-11-15 23:46:09,029 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:46:09,029 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 23:46:09,030 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177098602] [2019-11-15 23:46:09,031 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 23:46:09,032 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:46:09,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 23:46:09,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 23:46:09,032 INFO L87 Difference]: Start difference. First operand 282 states and 432 transitions. Second operand 4 states. [2019-11-15 23:46:09,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:46:09,906 INFO L93 Difference]: Finished difference Result 840 states and 1290 transitions. [2019-11-15 23:46:09,907 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 23:46:09,907 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 166 [2019-11-15 23:46:09,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:46:09,911 INFO L225 Difference]: With dead ends: 840 [2019-11-15 23:46:09,911 INFO L226 Difference]: Without dead ends: 560 [2019-11-15 23:46:09,912 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 [2019-11-15 23:46:09,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2019-11-15 23:46:09,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 421. [2019-11-15 23:46:09,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2019-11-15 23:46:09,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 596 transitions. [2019-11-15 23:46:09,977 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 596 transitions. Word has length 166 [2019-11-15 23:46:09,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:46:09,978 INFO L462 AbstractCegarLoop]: Abstraction has 421 states and 596 transitions. [2019-11-15 23:46:09,978 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 23:46:09,978 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 596 transitions. [2019-11-15 23:46:09,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2019-11-15 23:46:09,981 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:46:09,982 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:46:09,982 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:46:09,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:46:09,982 INFO L82 PathProgramCache]: Analyzing trace with hash 231637281, now seen corresponding path program 1 times [2019-11-15 23:46:09,982 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:46:09,982 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938505639] [2019-11-15 23:46:09,983 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:46:09,983 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:46:09,983 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:46:10,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:46:10,387 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:46:10,387 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938505639] [2019-11-15 23:46:10,387 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:46:10,387 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-15 23:46:10,388 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693210703] [2019-11-15 23:46:10,388 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-15 23:46:10,388 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:46:10,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-15 23:46:10,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-11-15 23:46:10,389 INFO L87 Difference]: Start difference. First operand 421 states and 596 transitions. Second operand 7 states. [2019-11-15 23:46:11,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:46:11,331 INFO L93 Difference]: Finished difference Result 990 states and 1390 transitions. [2019-11-15 23:46:11,331 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-15 23:46:11,331 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 177 [2019-11-15 23:46:11,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:46:11,335 INFO L225 Difference]: With dead ends: 990 [2019-11-15 23:46:11,335 INFO L226 Difference]: Without dead ends: 571 [2019-11-15 23:46:11,336 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2019-11-15 23:46:11,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 571 states. [2019-11-15 23:46:11,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 571 to 560. [2019-11-15 23:46:11,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2019-11-15 23:46:11,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 740 transitions. [2019-11-15 23:46:11,351 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 740 transitions. Word has length 177 [2019-11-15 23:46:11,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:46:11,352 INFO L462 AbstractCegarLoop]: Abstraction has 560 states and 740 transitions. [2019-11-15 23:46:11,352 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-15 23:46:11,352 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 740 transitions. [2019-11-15 23:46:11,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2019-11-15 23:46:11,355 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:46:11,356 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:46:11,356 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:46:11,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:46:11,357 INFO L82 PathProgramCache]: Analyzing trace with hash 1594537044, now seen corresponding path program 1 times [2019-11-15 23:46:11,357 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:46:11,357 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920003682] [2019-11-15 23:46:11,357 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:46:11,357 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:46:11,358 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:46:11,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:46:11,509 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:46:11,509 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920003682] [2019-11-15 23:46:11,509 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:46:11,510 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-15 23:46:11,510 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508368351] [2019-11-15 23:46:11,511 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 23:46:11,511 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:46:11,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 23:46:11,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 23:46:11,511 INFO L87 Difference]: Start difference. First operand 560 states and 740 transitions. Second operand 4 states. [2019-11-15 23:46:12,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:46:12,486 INFO L93 Difference]: Finished difference Result 1535 states and 2116 transitions. [2019-11-15 23:46:12,487 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 23:46:12,487 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 243 [2019-11-15 23:46:12,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:46:12,496 INFO L225 Difference]: With dead ends: 1535 [2019-11-15 23:46:12,496 INFO L226 Difference]: Without dead ends: 1116 [2019-11-15 23:46:12,498 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 23:46:12,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2019-11-15 23:46:12,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 1116. [2019-11-15 23:46:12,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1116 states. [2019-11-15 23:46:12,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1397 transitions. [2019-11-15 23:46:12,524 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1397 transitions. Word has length 243 [2019-11-15 23:46:12,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:46:12,524 INFO L462 AbstractCegarLoop]: Abstraction has 1116 states and 1397 transitions. [2019-11-15 23:46:12,524 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 23:46:12,525 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1397 transitions. [2019-11-15 23:46:12,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2019-11-15 23:46:12,528 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:46:12,528 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:46:12,529 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:46:12,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:46:12,529 INFO L82 PathProgramCache]: Analyzing trace with hash 2124387304, now seen corresponding path program 1 times [2019-11-15 23:46:12,529 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:46:12,530 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265340265] [2019-11-15 23:46:12,530 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:46:12,530 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:46:12,530 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:46:12,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:46:12,711 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 159 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:46:12,711 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265340265] [2019-11-15 23:46:12,712 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:46:12,712 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-15 23:46:12,712 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399733649] [2019-11-15 23:46:12,713 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-15 23:46:12,713 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:46:12,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-15 23:46:12,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-15 23:46:12,717 INFO L87 Difference]: Start difference. First operand 1116 states and 1397 transitions. Second operand 5 states. [2019-11-15 23:46:14,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:46:14,037 INFO L93 Difference]: Finished difference Result 3064 states and 3862 transitions. [2019-11-15 23:46:14,038 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-15 23:46:14,038 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 252 [2019-11-15 23:46:14,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:46:14,043 INFO L225 Difference]: With dead ends: 3064 [2019-11-15 23:46:14,043 INFO L226 Difference]: Without dead ends: 977 [2019-11-15 23:46:14,046 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-15 23:46:14,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2019-11-15 23:46:14,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 977. [2019-11-15 23:46:14,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 977 states. [2019-11-15 23:46:14,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1091 transitions. [2019-11-15 23:46:14,067 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1091 transitions. Word has length 252 [2019-11-15 23:46:14,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:46:14,068 INFO L462 AbstractCegarLoop]: Abstraction has 977 states and 1091 transitions. [2019-11-15 23:46:14,075 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-15 23:46:14,075 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1091 transitions. [2019-11-15 23:46:14,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2019-11-15 23:46:14,080 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:46:14,080 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:46:14,080 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:46:14,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:46:14,081 INFO L82 PathProgramCache]: Analyzing trace with hash 1058413162, now seen corresponding path program 1 times [2019-11-15 23:46:14,081 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:46:14,081 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899315798] [2019-11-15 23:46:14,082 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:46:14,082 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:46:14,082 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:46:14,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:46:14,571 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 328 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:46:14,571 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899315798] [2019-11-15 23:46:14,571 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [882786399] [2019-11-15 23:46:14,571 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_682eaeba-10f9-4c2d-9b3d-53a8303c8f7d/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:46:14,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:46:14,666 INFO L256 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-15 23:46:14,675 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:46:14,786 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 306 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2019-11-15 23:46:14,787 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-15 23:46:14,787 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2019-11-15 23:46:14,787 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873724977] [2019-11-15 23:46:14,788 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 23:46:14,788 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:46:14,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 23:46:14,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-11-15 23:46:14,789 INFO L87 Difference]: Start difference. First operand 977 states and 1091 transitions. Second operand 3 states. [2019-11-15 23:46:15,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:46:15,308 INFO L93 Difference]: Finished difference Result 2369 states and 2695 transitions. [2019-11-15 23:46:15,308 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 23:46:15,308 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 345 [2019-11-15 23:46:15,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:46:15,316 INFO L225 Difference]: With dead ends: 2369 [2019-11-15 23:46:15,316 INFO L226 Difference]: Without dead ends: 1533 [2019-11-15 23:46:15,318 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 349 GetRequests, 344 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-11-15 23:46:15,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1533 states. [2019-11-15 23:46:15,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1533 to 1533. [2019-11-15 23:46:15,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1533 states. [2019-11-15 23:46:15,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1533 states to 1533 states and 1696 transitions. [2019-11-15 23:46:15,350 INFO L78 Accepts]: Start accepts. Automaton has 1533 states and 1696 transitions. Word has length 345 [2019-11-15 23:46:15,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:46:15,351 INFO L462 AbstractCegarLoop]: Abstraction has 1533 states and 1696 transitions. [2019-11-15 23:46:15,351 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 23:46:15,351 INFO L276 IsEmpty]: Start isEmpty. Operand 1533 states and 1696 transitions. [2019-11-15 23:46:15,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2019-11-15 23:46:15,358 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:46:15,359 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:46:15,570 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:46:15,570 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:46:15,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:46:15,570 INFO L82 PathProgramCache]: Analyzing trace with hash 1761855630, now seen corresponding path program 1 times [2019-11-15 23:46:15,570 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:46:15,570 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230810503] [2019-11-15 23:46:15,571 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:46:15,571 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:46:15,571 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:46:15,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:46:16,039 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 107 proven. 278 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-15 23:46:16,040 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230810503] [2019-11-15 23:46:16,040 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1376236613] [2019-11-15 23:46:16,040 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_682eaeba-10f9-4c2d-9b3d-53a8303c8f7d/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 [2019-11-15 23:46:16,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:46:16,117 INFO L256 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-15 23:46:16,123 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:46:16,213 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2019-11-15 23:46:16,213 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-15 23:46:16,214 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2019-11-15 23:46:16,214 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502643740] [2019-11-15 23:46:16,214 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 23:46:16,215 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:46:16,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 23:46:16,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-15 23:46:16,215 INFO L87 Difference]: Start difference. First operand 1533 states and 1696 transitions. Second operand 3 states. [2019-11-15 23:46:16,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:46:16,619 INFO L93 Difference]: Finished difference Result 3342 states and 3713 transitions. [2019-11-15 23:46:16,620 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 23:46:16,620 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 358 [2019-11-15 23:46:16,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:46:16,628 INFO L225 Difference]: With dead ends: 3342 [2019-11-15 23:46:16,629 INFO L226 Difference]: Without dead ends: 1811 [2019-11-15 23:46:16,631 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 366 GetRequests, 358 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-15 23:46:16,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1811 states. [2019-11-15 23:46:16,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1811 to 1811. [2019-11-15 23:46:16,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1811 states. [2019-11-15 23:46:16,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1811 states to 1811 states and 1991 transitions. [2019-11-15 23:46:16,665 INFO L78 Accepts]: Start accepts. Automaton has 1811 states and 1991 transitions. Word has length 358 [2019-11-15 23:46:16,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:46:16,666 INFO L462 AbstractCegarLoop]: Abstraction has 1811 states and 1991 transitions. [2019-11-15 23:46:16,666 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 23:46:16,666 INFO L276 IsEmpty]: Start isEmpty. Operand 1811 states and 1991 transitions. [2019-11-15 23:46:16,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2019-11-15 23:46:16,674 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:46:16,674 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:46:16,877 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:46:16,885 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:46:16,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:46:16,886 INFO L82 PathProgramCache]: Analyzing trace with hash -641347779, now seen corresponding path program 1 times [2019-11-15 23:46:16,886 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:46:16,886 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947732036] [2019-11-15 23:46:16,886 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:46:16,886 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:46:16,886 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:46:16,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:46:17,158 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2019-11-15 23:46:17,159 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947732036] [2019-11-15 23:46:17,159 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:46:17,159 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-15 23:46:17,160 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265478559] [2019-11-15 23:46:17,161 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 23:46:17,161 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:46:17,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 23:46:17,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 23:46:17,163 INFO L87 Difference]: Start difference. First operand 1811 states and 1991 transitions. Second operand 4 states. [2019-11-15 23:46:17,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:46:17,800 INFO L93 Difference]: Finished difference Result 3757 states and 4162 transitions. [2019-11-15 23:46:17,801 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 23:46:17,801 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 359 [2019-11-15 23:46:17,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:46:17,802 INFO L225 Difference]: With dead ends: 3757 [2019-11-15 23:46:17,802 INFO L226 Difference]: Without dead ends: 0 [2019-11-15 23:46:17,805 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 23:46:17,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-15 23:46:17,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-15 23:46:17,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-15 23:46:17,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-15 23:46:17,806 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 359 [2019-11-15 23:46:17,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:46:17,806 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 23:46:17,806 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 23:46:17,806 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-15 23:46:17,806 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-15 23:46:17,810 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-15 23:46:17,972 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 28 [2019-11-15 23:46:18,060 INFO L443 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2019-11-15 23:46:18,060 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 139) no Hoare annotation was computed. [2019-11-15 23:46:18,060 INFO L443 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:46:18,060 INFO L443 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:46:18,060 INFO L443 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:46:18,060 INFO L443 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:46:18,060 INFO L443 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:46:18,061 INFO L443 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:46:18,061 INFO L443 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2019-11-15 23:46:18,061 INFO L443 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2019-11-15 23:46:18,061 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-11-15 23:46:18,061 INFO L443 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2019-11-15 23:46:18,061 INFO L443 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2019-11-15 23:46:18,061 INFO L443 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2019-11-15 23:46:18,061 INFO L443 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2019-11-15 23:46:18,061 INFO L443 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2019-11-15 23:46:18,061 INFO L443 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2019-11-15 23:46:18,061 INFO L443 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2019-11-15 23:46:18,061 INFO L443 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2019-11-15 23:46:18,061 INFO L443 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:46:18,061 INFO L443 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:46:18,061 INFO L443 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:46:18,062 INFO L443 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:46:18,062 INFO L443 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:46:18,062 INFO L443 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2019-11-15 23:46:18,062 INFO L443 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2019-11-15 23:46:18,062 INFO L443 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2019-11-15 23:46:18,062 INFO L443 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2019-11-15 23:46:18,062 INFO L443 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2019-11-15 23:46:18,062 INFO L443 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2019-11-15 23:46:18,062 INFO L443 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2019-11-15 23:46:18,062 INFO L443 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2019-11-15 23:46:18,062 INFO L443 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2019-11-15 23:46:18,062 INFO L443 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2019-11-15 23:46:18,063 INFO L443 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2019-11-15 23:46:18,063 INFO L443 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2019-11-15 23:46:18,063 INFO L443 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2019-11-15 23:46:18,063 INFO L443 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2019-11-15 23:46:18,063 INFO L443 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:46:18,063 INFO L443 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:46:18,063 INFO L443 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:46:18,063 INFO L443 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:46:18,063 INFO L443 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:46:18,063 INFO L443 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2019-11-15 23:46:18,063 INFO L443 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-11-15 23:46:18,063 INFO L443 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2019-11-15 23:46:18,063 INFO L443 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2019-11-15 23:46:18,064 INFO L443 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2019-11-15 23:46:18,064 INFO L443 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2019-11-15 23:46:18,064 INFO L439 ceAbstractionStarter]: At program point L573(lines 20 574) the Hoare annotation is: (let ((.cse0 (or (< 0 (+ ~a1~0 13)) (<= 9 ~a19~0)))) (or (<= 4 ~a10~0) (= ~a10~0 0) (and (= ~a19~0 8) (not (= ~a10~0 1))) (and (not (= ~a10~0 2)) .cse0) (and .cse0 (not (= 10 ~a19~0))))) [2019-11-15 23:46:18,064 INFO L443 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2019-11-15 23:46:18,064 INFO L443 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2019-11-15 23:46:18,064 INFO L443 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2019-11-15 23:46:18,064 INFO L443 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2019-11-15 23:46:18,064 INFO L443 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:46:18,064 INFO L443 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:46:18,065 INFO L443 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:46:18,065 INFO L443 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:46:18,065 INFO L443 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:46:18,065 INFO L443 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2019-11-15 23:46:18,065 INFO L443 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2019-11-15 23:46:18,065 INFO L443 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2019-11-15 23:46:18,065 INFO L443 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2019-11-15 23:46:18,065 INFO L443 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2019-11-15 23:46:18,065 INFO L443 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2019-11-15 23:46:18,065 INFO L443 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2019-11-15 23:46:18,065 INFO L443 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2019-11-15 23:46:18,065 INFO L443 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2019-11-15 23:46:18,066 INFO L443 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2019-11-15 23:46:18,066 INFO L446 ceAbstractionStarter]: At program point L576(lines 576 592) the Hoare annotation is: true [2019-11-15 23:46:18,066 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2019-11-15 23:46:18,066 INFO L443 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2019-11-15 23:46:18,066 INFO L443 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2019-11-15 23:46:18,066 INFO L443 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:46:18,066 INFO L443 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:46:18,066 INFO L443 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:46:18,066 INFO L443 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:46:18,066 INFO L443 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:46:18,066 INFO L443 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2019-11-15 23:46:18,066 INFO L443 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2019-11-15 23:46:18,067 INFO L443 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2019-11-15 23:46:18,067 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-11-15 23:46:18,067 INFO L443 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2019-11-15 23:46:18,067 INFO L443 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2019-11-15 23:46:18,067 INFO L443 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2019-11-15 23:46:18,067 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2019-11-15 23:46:18,067 INFO L443 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2019-11-15 23:46:18,067 INFO L443 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:46:18,067 INFO L443 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:46:18,067 INFO L443 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:46:18,067 INFO L443 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:46:18,067 INFO L443 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:46:18,068 INFO L443 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2019-11-15 23:46:18,068 INFO L443 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2019-11-15 23:46:18,068 INFO L443 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2019-11-15 23:46:18,068 INFO L443 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2019-11-15 23:46:18,068 INFO L443 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2019-11-15 23:46:18,068 INFO L443 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2019-11-15 23:46:18,068 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-11-15 23:46:18,068 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-11-15 23:46:18,068 INFO L443 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2019-11-15 23:46:18,068 INFO L443 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2019-11-15 23:46:18,068 INFO L443 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2019-11-15 23:46:18,068 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-15 23:46:18,069 INFO L443 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2019-11-15 23:46:18,069 INFO L439 ceAbstractionStarter]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (or (< 0 (+ ~a1~0 13)) (<= 9 ~a19~0)))) (or (<= 4 ~a10~0) (= ~a10~0 0) (and (= ~a19~0 8) (not (= ~a10~0 1))) (and (not (= ~a10~0 2)) .cse0) (and .cse0 (not (= 10 ~a19~0))))) [2019-11-15 23:46:18,069 INFO L443 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2019-11-15 23:46:18,069 INFO L443 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:46:18,069 INFO L443 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:46:18,069 INFO L443 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:46:18,069 INFO L443 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:46:18,069 INFO L443 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2019-11-15 23:46:18,069 INFO L443 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:46:18,069 INFO L443 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:46:18,069 INFO L443 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2019-11-15 23:46:18,070 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2019-11-15 23:46:18,070 INFO L443 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2019-11-15 23:46:18,070 INFO L443 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2019-11-15 23:46:18,070 INFO L443 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2019-11-15 23:46:18,070 INFO L443 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2019-11-15 23:46:18,070 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-11-15 23:46:18,070 INFO L443 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2019-11-15 23:46:18,070 INFO L443 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2019-11-15 23:46:18,070 INFO L443 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2019-11-15 23:46:18,070 INFO L443 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2019-11-15 23:46:18,070 INFO L443 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2019-11-15 23:46:18,070 INFO L443 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2019-11-15 23:46:18,071 INFO L443 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:46:18,071 INFO L443 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:46:18,071 INFO L443 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:46:18,071 INFO L443 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:46:18,071 INFO L443 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:46:18,071 INFO L443 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:46:18,071 INFO L443 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2019-11-15 23:46:18,071 INFO L443 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2019-11-15 23:46:18,071 INFO L443 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2019-11-15 23:46:18,071 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-15 23:46:18,071 INFO L443 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2019-11-15 23:46:18,071 INFO L443 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2019-11-15 23:46:18,072 INFO L443 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2019-11-15 23:46:18,072 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-11-15 23:46:18,072 INFO L443 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2019-11-15 23:46:18,072 INFO L443 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2019-11-15 23:46:18,072 INFO L443 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2019-11-15 23:46:18,072 INFO L443 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2019-11-15 23:46:18,072 INFO L443 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2019-11-15 23:46:18,072 INFO L443 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2019-11-15 23:46:18,072 INFO L443 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2019-11-15 23:46:18,072 INFO L443 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2019-11-15 23:46:18,072 INFO L443 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:46:18,072 INFO L443 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:46:18,073 INFO L443 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:46:18,073 INFO L443 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:46:18,073 INFO L443 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:46:18,073 INFO L443 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:46:18,073 INFO L443 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2019-11-15 23:46:18,073 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-11-15 23:46:18,073 INFO L443 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2019-11-15 23:46:18,073 INFO L443 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-11-15 23:46:18,073 INFO L443 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2019-11-15 23:46:18,073 INFO L443 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2019-11-15 23:46:18,075 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-15 23:46:18,075 INFO L443 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2019-11-15 23:46:18,075 INFO L443 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2019-11-15 23:46:18,075 INFO L443 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2019-11-15 23:46:18,075 INFO L443 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2019-11-15 23:46:18,076 INFO L443 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2019-11-15 23:46:18,076 INFO L443 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2019-11-15 23:46:18,076 INFO L443 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2019-11-15 23:46:18,076 INFO L443 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:46:18,076 INFO L443 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:46:18,076 INFO L443 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:46:18,076 INFO L443 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:46:18,076 INFO L443 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:46:18,076 INFO L443 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:46:18,076 INFO L443 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2019-11-15 23:46:18,076 INFO L443 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2019-11-15 23:46:18,076 INFO L443 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2019-11-15 23:46:18,076 INFO L443 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2019-11-15 23:46:18,076 INFO L443 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2019-11-15 23:46:18,076 INFO L443 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-11-15 23:46:18,076 INFO L443 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2019-11-15 23:46:18,077 INFO L443 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2019-11-15 23:46:18,077 INFO L443 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2019-11-15 23:46:18,077 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2019-11-15 23:46:18,077 INFO L443 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2019-11-15 23:46:18,077 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-15 23:46:18,077 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2019-11-15 23:46:18,077 INFO L443 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:46:18,077 INFO L443 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:46:18,077 INFO L443 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:46:18,077 INFO L443 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:46:18,077 INFO L443 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:46:18,077 INFO L443 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:46:18,078 INFO L443 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2019-11-15 23:46:18,078 INFO L443 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2019-11-15 23:46:18,078 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2019-11-15 23:46:18,078 INFO L443 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2019-11-15 23:46:18,078 INFO L443 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2019-11-15 23:46:18,078 INFO L443 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2019-11-15 23:46:18,078 INFO L443 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2019-11-15 23:46:18,078 INFO L443 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2019-11-15 23:46:18,079 INFO L443 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2019-11-15 23:46:18,079 INFO L443 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2019-11-15 23:46:18,079 INFO L443 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2019-11-15 23:46:18,079 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2019-11-15 23:46:18,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 11:46:18 BoogieIcfgContainer [2019-11-15 23:46:18,093 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 23:46:18,094 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 23:46:18,094 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 23:46:18,094 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 23:46:18,094 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:46:05" (3/4) ... [2019-11-15 23:46:18,097 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-15 23:46:18,115 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-15 23:46:18,116 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-15 23:46:18,257 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_682eaeba-10f9-4c2d-9b3d-53a8303c8f7d/bin/uautomizer/witness.graphml [2019-11-15 23:46:18,258 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 23:46:18,259 INFO L168 Benchmark]: Toolchain (without parser) took 14969.79 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 665.3 MB). Free memory was 938.0 MB in the beginning and 1.4 GB in the end (delta: -422.3 MB). Peak memory consumption was 243.0 MB. Max. memory is 11.5 GB. [2019-11-15 23:46:18,259 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:46:18,260 INFO L168 Benchmark]: CACSL2BoogieTranslator took 573.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -160.6 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-11-15 23:46:18,260 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-15 23:46:18,261 INFO L168 Benchmark]: Boogie Preprocessor took 74.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-15 23:46:18,261 INFO L168 Benchmark]: RCFGBuilder took 1360.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 981.2 MB in the end (delta: 103.7 MB). Peak memory consumption was 103.7 MB. Max. memory is 11.5 GB. [2019-11-15 23:46:18,261 INFO L168 Benchmark]: TraceAbstraction took 12708.37 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 528.5 MB). Free memory was 981.2 MB in the beginning and 1.4 GB in the end (delta: -418.3 MB). Peak memory consumption was 110.1 MB. Max. memory is 11.5 GB. [2019-11-15 23:46:18,262 INFO L168 Benchmark]: Witness Printer took 164.12 ms. Allocated memory is still 1.7 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 39.3 MB). Peak memory consumption was 39.3 MB. Max. memory is 11.5 GB. [2019-11-15 23:46:18,264 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 573.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -160.6 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 84.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 74.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1360.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 981.2 MB in the end (delta: 103.7 MB). Peak memory consumption was 103.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 12708.37 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 528.5 MB). Free memory was 981.2 MB in the beginning and 1.4 GB in the end (delta: -418.3 MB). Peak memory consumption was 110.1 MB. Max. memory is 11.5 GB. * Witness Printer took 164.12 ms. Allocated memory is still 1.7 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 39.3 MB). Peak memory consumption was 39.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 139]: 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: 582]: Loop Invariant Derived loop invariant: (((4 <= a10 || a10 == 0) || (a19 == 8 && !(a10 == 1))) || (!(a10 == 2) && (0 < a1 + 13 || 9 <= a19))) || ((0 < a1 + 13 || 9 <= a19) && !(10 == a19)) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((4 <= a10 || a10 == 0) || (a19 == 8 && !(a10 == 1))) || (!(a10 == 2) && (0 < a1 + 13 || 9 <= a19))) || ((0 < a1 + 13 || 9 <= a19) && !(10 == a19)) - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 206 locations, 1 error locations. Result: SAFE, OverallTime: 12.6s, OverallIterations: 9, TraceHistogramMax: 4, AutomataDifference: 7.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 815 SDtfs, 1724 SDslu, 101 SDs, 0 SdLazy, 6024 SolverSat, 932 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 861 GetRequests, 822 SyntacticMatches, 5 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1811occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 567 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 54 NumberOfFragments, 87 HoareAnnotationTreeSize, 3 FomulaSimplifications, 2494 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 2520 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 2870 NumberOfCodeBlocks, 2870 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2858 ConstructedInterpolants, 0 QuantifiedInterpolants, 3167948 SizeOfPredicates, 2 NumberOfNonLiveVariables, 1111 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 2092/2420 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...