./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label42.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_f0fffa42-0d2b-4c78-840d-e080d11ca0dc/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_f0fffa42-0d2b-4c78-840d-e080d11ca0dc/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f0fffa42-0d2b-4c78-840d-e080d11ca0dc/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f0fffa42-0d2b-4c78-840d-e080d11ca0dc/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label42.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f0fffa42-0d2b-4c78-840d-e080d11ca0dc/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f0fffa42-0d2b-4c78-840d-e080d11ca0dc/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 a8726e54e507f4e5407a6f1ab8a73f56b359228a ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 15:32:09,488 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 15:32:09,489 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 15:32:09,497 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 15:32:09,497 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 15:32:09,498 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 15:32:09,498 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 15:32:09,500 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 15:32:09,501 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 15:32:09,502 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 15:32:09,502 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 15:32:09,503 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 15:32:09,503 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 15:32:09,504 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 15:32:09,505 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 15:32:09,506 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 15:32:09,506 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 15:32:09,507 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 15:32:09,508 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 15:32:09,509 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 15:32:09,510 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 15:32:09,511 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 15:32:09,512 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 15:32:09,512 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 15:32:09,514 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 15:32:09,514 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 15:32:09,514 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 15:32:09,515 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 15:32:09,515 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 15:32:09,516 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 15:32:09,516 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 15:32:09,516 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 15:32:09,517 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 15:32:09,517 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 15:32:09,518 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 15:32:09,519 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 15:32:09,519 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 15:32:09,519 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 15:32:09,519 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 15:32:09,520 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 15:32:09,521 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 15:32:09,521 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f0fffa42-0d2b-4c78-840d-e080d11ca0dc/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 15:32:09,533 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 15:32:09,534 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 15:32:09,535 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 15:32:09,535 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 15:32:09,535 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 15:32:09,535 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 15:32:09,535 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 15:32:09,536 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 15:32:09,536 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 15:32:09,536 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 15:32:09,536 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 15:32:09,536 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 15:32:09,536 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 15:32:09,537 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 15:32:09,537 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 15:32:09,537 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 15:32:09,537 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 15:32:09,537 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 15:32:09,538 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 15:32:09,538 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 15:32:09,538 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 15:32:09,538 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 15:32:09,538 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 15:32:09,539 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 15:32:09,539 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 15:32:09,539 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 15:32:09,539 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 15:32:09,539 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 15:32:09,539 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 15:32:09,540 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_f0fffa42-0d2b-4c78-840d-e080d11ca0dc/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 -> a8726e54e507f4e5407a6f1ab8a73f56b359228a [2019-12-07 15:32:09,652 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 15:32:09,659 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 15:32:09,662 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 15:32:09,663 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 15:32:09,663 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 15:32:09,663 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f0fffa42-0d2b-4c78-840d-e080d11ca0dc/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem02_label42.c [2019-12-07 15:32:09,701 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f0fffa42-0d2b-4c78-840d-e080d11ca0dc/bin/uautomizer/data/b12c78920/8b1a3d4408484f3a8d374ff9c6f7b380/FLAG363f72264 [2019-12-07 15:32:10,149 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 15:32:10,149 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f0fffa42-0d2b-4c78-840d-e080d11ca0dc/sv-benchmarks/c/eca-rers2012/Problem02_label42.c [2019-12-07 15:32:10,159 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f0fffa42-0d2b-4c78-840d-e080d11ca0dc/bin/uautomizer/data/b12c78920/8b1a3d4408484f3a8d374ff9c6f7b380/FLAG363f72264 [2019-12-07 15:32:10,168 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f0fffa42-0d2b-4c78-840d-e080d11ca0dc/bin/uautomizer/data/b12c78920/8b1a3d4408484f3a8d374ff9c6f7b380 [2019-12-07 15:32:10,170 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 15:32:10,171 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 15:32:10,172 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 15:32:10,172 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 15:32:10,174 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 15:32:10,175 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:32:10" (1/1) ... [2019-12-07 15:32:10,176 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20cc73ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:32:10, skipping insertion in model container [2019-12-07 15:32:10,177 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:32:10" (1/1) ... [2019-12-07 15:32:10,182 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 15:32:10,218 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 15:32:10,475 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:32:10,478 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 15:32:10,532 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:32:10,543 INFO L208 MainTranslator]: Completed translation [2019-12-07 15:32:10,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:32:10 WrapperNode [2019-12-07 15:32:10,543 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 15:32:10,543 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 15:32:10,544 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 15:32:10,544 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 15:32:10,549 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:32:10" (1/1) ... [2019-12-07 15:32:10,562 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:32:10" (1/1) ... [2019-12-07 15:32:10,592 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 15:32:10,593 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 15:32:10,593 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 15:32:10,593 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 15:32:10,599 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:32:10" (1/1) ... [2019-12-07 15:32:10,600 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:32:10" (1/1) ... [2019-12-07 15:32:10,602 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:32:10" (1/1) ... [2019-12-07 15:32:10,603 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:32:10" (1/1) ... [2019-12-07 15:32:10,617 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:32:10" (1/1) ... [2019-12-07 15:32:10,625 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:32:10" (1/1) ... [2019-12-07 15:32:10,629 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:32:10" (1/1) ... [2019-12-07 15:32:10,635 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 15:32:10,635 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 15:32:10,635 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 15:32:10,635 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 15:32:10,636 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:32:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f0fffa42-0d2b-4c78-840d-e080d11ca0dc/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 15:32:10,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 15:32:10,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 15:32:11,314 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 15:32:11,314 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-07 15:32:11,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:32:11 BoogieIcfgContainer [2019-12-07 15:32:11,315 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 15:32:11,316 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 15:32:11,316 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 15:32:11,319 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 15:32:11,319 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 03:32:10" (1/3) ... [2019-12-07 15:32:11,320 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@516ba7ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 03:32:11, skipping insertion in model container [2019-12-07 15:32:11,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:32:10" (2/3) ... [2019-12-07 15:32:11,320 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@516ba7ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 03:32:11, skipping insertion in model container [2019-12-07 15:32:11,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:32:11" (3/3) ... [2019-12-07 15:32:11,322 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label42.c [2019-12-07 15:32:11,330 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 15:32:11,337 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 15:32:11,347 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 15:32:11,365 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 15:32:11,365 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 15:32:11,365 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 15:32:11,365 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 15:32:11,366 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 15:32:11,366 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 15:32:11,366 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 15:32:11,366 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 15:32:11,382 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2019-12-07 15:32:11,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2019-12-07 15:32:11,390 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:32:11,390 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:32:11,391 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:32:11,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:32:11,395 INFO L82 PathProgramCache]: Analyzing trace with hash 499493077, now seen corresponding path program 1 times [2019-12-07 15:32:11,401 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:32:11,401 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418790896] [2019-12-07 15:32:11,402 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:32:11,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:32:11,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:32:11,650 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418790896] [2019-12-07 15:32:11,651 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:32:11,651 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 15:32:11,653 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429600503] [2019-12-07 15:32:11,657 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 15:32:11,658 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:32:11,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 15:32:11,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 15:32:11,673 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 4 states. [2019-12-07 15:32:12,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:32:12,431 INFO L93 Difference]: Finished difference Result 748 states and 1324 transitions. [2019-12-07 15:32:12,431 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 15:32:12,432 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 100 [2019-12-07 15:32:12,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:32:12,444 INFO L225 Difference]: With dead ends: 748 [2019-12-07 15:32:12,444 INFO L226 Difference]: Without dead ends: 454 [2019-12-07 15:32:12,448 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 15:32:12,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2019-12-07 15:32:12,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 451. [2019-12-07 15:32:12,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 451 states. [2019-12-07 15:32:12,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 616 transitions. [2019-12-07 15:32:12,492 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 616 transitions. Word has length 100 [2019-12-07 15:32:12,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:32:12,493 INFO L462 AbstractCegarLoop]: Abstraction has 451 states and 616 transitions. [2019-12-07 15:32:12,493 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 15:32:12,493 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 616 transitions. [2019-12-07 15:32:12,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2019-12-07 15:32:12,498 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:32:12,498 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-12-07 15:32:12,498 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:32:12,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:32:12,499 INFO L82 PathProgramCache]: Analyzing trace with hash 396760741, now seen corresponding path program 1 times [2019-12-07 15:32:12,499 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:32:12,499 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890557973] [2019-12-07 15:32:12,499 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:32:12,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:32:12,546 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:32:12,547 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890557973] [2019-12-07 15:32:12,547 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:32:12,547 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 15:32:12,547 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867769933] [2019-12-07 15:32:12,548 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 15:32:12,548 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:32:12,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 15:32:12,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 15:32:12,549 INFO L87 Difference]: Start difference. First operand 451 states and 616 transitions. Second operand 3 states. [2019-12-07 15:32:12,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:32:12,847 INFO L93 Difference]: Finished difference Result 1323 states and 1809 transitions. [2019-12-07 15:32:12,848 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 15:32:12,848 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 117 [2019-12-07 15:32:12,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:32:12,853 INFO L225 Difference]: With dead ends: 1323 [2019-12-07 15:32:12,853 INFO L226 Difference]: Without dead ends: 874 [2019-12-07 15:32:12,855 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 15:32:12,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 874 states. [2019-12-07 15:32:12,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 874 to 874. [2019-12-07 15:32:12,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 874 states. [2019-12-07 15:32:12,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 874 states and 1139 transitions. [2019-12-07 15:32:12,882 INFO L78 Accepts]: Start accepts. Automaton has 874 states and 1139 transitions. Word has length 117 [2019-12-07 15:32:12,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:32:12,883 INFO L462 AbstractCegarLoop]: Abstraction has 874 states and 1139 transitions. [2019-12-07 15:32:12,883 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 15:32:12,883 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1139 transitions. [2019-12-07 15:32:12,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-12-07 15:32:12,887 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:32:12,887 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:32:12,887 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:32:12,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:32:12,888 INFO L82 PathProgramCache]: Analyzing trace with hash 1844290899, now seen corresponding path program 1 times [2019-12-07 15:32:12,888 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:32:12,888 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596206853] [2019-12-07 15:32:12,888 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:32:12,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:32:12,966 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:32:12,966 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596206853] [2019-12-07 15:32:12,966 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:32:12,967 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 15:32:12,967 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194866256] [2019-12-07 15:32:12,967 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 15:32:12,967 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:32:12,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 15:32:12,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 15:32:12,968 INFO L87 Difference]: Start difference. First operand 874 states and 1139 transitions. Second operand 4 states. [2019-12-07 15:32:13,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:32:13,289 INFO L93 Difference]: Finished difference Result 2154 states and 2796 transitions. [2019-12-07 15:32:13,290 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 15:32:13,290 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 133 [2019-12-07 15:32:13,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:32:13,295 INFO L225 Difference]: With dead ends: 2154 [2019-12-07 15:32:13,295 INFO L226 Difference]: Without dead ends: 1282 [2019-12-07 15:32:13,297 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 15:32:13,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1282 states. [2019-12-07 15:32:13,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1282 to 862. [2019-12-07 15:32:13,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 862 states. [2019-12-07 15:32:13,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 862 states and 1063 transitions. [2019-12-07 15:32:13,313 INFO L78 Accepts]: Start accepts. Automaton has 862 states and 1063 transitions. Word has length 133 [2019-12-07 15:32:13,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:32:13,313 INFO L462 AbstractCegarLoop]: Abstraction has 862 states and 1063 transitions. [2019-12-07 15:32:13,313 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 15:32:13,313 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 1063 transitions. [2019-12-07 15:32:13,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-12-07 15:32:13,315 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:32:13,315 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-12-07 15:32:13,315 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:32:13,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:32:13,315 INFO L82 PathProgramCache]: Analyzing trace with hash 1961644753, now seen corresponding path program 1 times [2019-12-07 15:32:13,315 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:32:13,315 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421400561] [2019-12-07 15:32:13,316 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:32:13,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:32:13,359 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-12-07 15:32:13,360 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421400561] [2019-12-07 15:32:13,360 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:32:13,360 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 15:32:13,360 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64361255] [2019-12-07 15:32:13,360 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 15:32:13,360 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:32:13,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 15:32:13,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 15:32:13,361 INFO L87 Difference]: Start difference. First operand 862 states and 1063 transitions. Second operand 3 states. [2019-12-07 15:32:13,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:32:13,667 INFO L93 Difference]: Finished difference Result 2286 states and 2790 transitions. [2019-12-07 15:32:13,667 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 15:32:13,667 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 139 [2019-12-07 15:32:13,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:32:13,672 INFO L225 Difference]: With dead ends: 2286 [2019-12-07 15:32:13,672 INFO L226 Difference]: Without dead ends: 1426 [2019-12-07 15:32:13,673 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 15:32:13,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1426 states. [2019-12-07 15:32:13,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1426 to 1143. [2019-12-07 15:32:13,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1143 states. [2019-12-07 15:32:13,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1143 states to 1143 states and 1399 transitions. [2019-12-07 15:32:13,693 INFO L78 Accepts]: Start accepts. Automaton has 1143 states and 1399 transitions. Word has length 139 [2019-12-07 15:32:13,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:32:13,693 INFO L462 AbstractCegarLoop]: Abstraction has 1143 states and 1399 transitions. [2019-12-07 15:32:13,693 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 15:32:13,693 INFO L276 IsEmpty]: Start isEmpty. Operand 1143 states and 1399 transitions. [2019-12-07 15:32:13,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2019-12-07 15:32:13,695 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:32:13,695 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-12-07 15:32:13,695 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:32:13,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:32:13,695 INFO L82 PathProgramCache]: Analyzing trace with hash -435160690, now seen corresponding path program 1 times [2019-12-07 15:32:13,695 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:32:13,696 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66021488] [2019-12-07 15:32:13,696 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:32:13,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:32:13,738 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-12-07 15:32:13,738 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66021488] [2019-12-07 15:32:13,739 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:32:13,739 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 15:32:13,739 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491409269] [2019-12-07 15:32:13,739 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 15:32:13,739 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:32:13,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 15:32:13,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 15:32:13,740 INFO L87 Difference]: Start difference. First operand 1143 states and 1399 transitions. Second operand 3 states. [2019-12-07 15:32:14,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:32:14,106 INFO L93 Difference]: Finished difference Result 2566 states and 3148 transitions. [2019-12-07 15:32:14,106 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 15:32:14,106 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 144 [2019-12-07 15:32:14,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:32:14,112 INFO L225 Difference]: With dead ends: 2566 [2019-12-07 15:32:14,112 INFO L226 Difference]: Without dead ends: 1425 [2019-12-07 15:32:14,113 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 15:32:14,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1425 states. [2019-12-07 15:32:14,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1425 to 1423. [2019-12-07 15:32:14,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1423 states. [2019-12-07 15:32:14,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1423 states to 1423 states and 1704 transitions. [2019-12-07 15:32:14,135 INFO L78 Accepts]: Start accepts. Automaton has 1423 states and 1704 transitions. Word has length 144 [2019-12-07 15:32:14,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:32:14,136 INFO L462 AbstractCegarLoop]: Abstraction has 1423 states and 1704 transitions. [2019-12-07 15:32:14,136 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 15:32:14,136 INFO L276 IsEmpty]: Start isEmpty. Operand 1423 states and 1704 transitions. [2019-12-07 15:32:14,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-12-07 15:32:14,138 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:32:14,138 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:32:14,138 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:32:14,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:32:14,139 INFO L82 PathProgramCache]: Analyzing trace with hash -266021720, now seen corresponding path program 1 times [2019-12-07 15:32:14,139 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:32:14,139 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468830319] [2019-12-07 15:32:14,139 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:32:14,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:32:14,187 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-07 15:32:14,188 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468830319] [2019-12-07 15:32:14,188 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:32:14,188 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 15:32:14,188 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285823895] [2019-12-07 15:32:14,188 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 15:32:14,189 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:32:14,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 15:32:14,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 15:32:14,189 INFO L87 Difference]: Start difference. First operand 1423 states and 1704 transitions. Second operand 4 states. [2019-12-07 15:32:14,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:32:14,722 INFO L93 Difference]: Finished difference Result 3404 states and 4091 transitions. [2019-12-07 15:32:14,722 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 15:32:14,722 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 146 [2019-12-07 15:32:14,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:32:14,730 INFO L225 Difference]: With dead ends: 3404 [2019-12-07 15:32:14,731 INFO L226 Difference]: Without dead ends: 1700 [2019-12-07 15:32:14,733 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 15:32:14,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1700 states. [2019-12-07 15:32:14,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1700 to 1560. [2019-12-07 15:32:14,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1560 states. [2019-12-07 15:32:14,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1560 states to 1560 states and 1725 transitions. [2019-12-07 15:32:14,764 INFO L78 Accepts]: Start accepts. Automaton has 1560 states and 1725 transitions. Word has length 146 [2019-12-07 15:32:14,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:32:14,764 INFO L462 AbstractCegarLoop]: Abstraction has 1560 states and 1725 transitions. [2019-12-07 15:32:14,764 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 15:32:14,764 INFO L276 IsEmpty]: Start isEmpty. Operand 1560 states and 1725 transitions. [2019-12-07 15:32:14,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-12-07 15:32:14,767 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:32:14,767 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:32:14,768 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:32:14,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:32:14,768 INFO L82 PathProgramCache]: Analyzing trace with hash 1950870258, now seen corresponding path program 1 times [2019-12-07 15:32:14,768 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:32:14,768 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747244753] [2019-12-07 15:32:14,768 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:32:14,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:32:14,875 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-07 15:32:14,875 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747244753] [2019-12-07 15:32:14,876 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1782095675] [2019-12-07 15:32:14,876 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f0fffa42-0d2b-4c78-840d-e080d11ca0dc/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 15:32:14,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:32:14,931 INFO L264 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 15:32:14,938 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:32:14,970 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-07 15:32:14,970 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-12-07 15:32:14,970 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2019-12-07 15:32:14,971 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673950909] [2019-12-07 15:32:14,971 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 15:32:14,971 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:32:14,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 15:32:14,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-12-07 15:32:14,972 INFO L87 Difference]: Start difference. First operand 1560 states and 1725 transitions. Second operand 3 states. [2019-12-07 15:32:15,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:32:15,255 INFO L93 Difference]: Finished difference Result 3397 states and 3747 transitions. [2019-12-07 15:32:15,255 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 15:32:15,255 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 150 [2019-12-07 15:32:15,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:32:15,263 INFO L225 Difference]: With dead ends: 3397 [2019-12-07 15:32:15,263 INFO L226 Difference]: Without dead ends: 1697 [2019-12-07 15:32:15,265 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-12-07 15:32:15,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1697 states. [2019-12-07 15:32:15,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1697 to 1695. [2019-12-07 15:32:15,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1695 states. [2019-12-07 15:32:15,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1695 states to 1695 states and 1803 transitions. [2019-12-07 15:32:15,294 INFO L78 Accepts]: Start accepts. Automaton has 1695 states and 1803 transitions. Word has length 150 [2019-12-07 15:32:15,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:32:15,294 INFO L462 AbstractCegarLoop]: Abstraction has 1695 states and 1803 transitions. [2019-12-07 15:32:15,295 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 15:32:15,295 INFO L276 IsEmpty]: Start isEmpty. Operand 1695 states and 1803 transitions. [2019-12-07 15:32:15,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2019-12-07 15:32:15,297 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:32:15,297 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:32:15,498 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 15:32:15,498 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:32:15,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:32:15,499 INFO L82 PathProgramCache]: Analyzing trace with hash 1731681118, now seen corresponding path program 1 times [2019-12-07 15:32:15,499 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:32:15,499 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570760878] [2019-12-07 15:32:15,500 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:32:15,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:32:15,672 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 78 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-07 15:32:15,672 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570760878] [2019-12-07 15:32:15,672 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2091194819] [2019-12-07 15:32:15,673 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f0fffa42-0d2b-4c78-840d-e080d11ca0dc/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 [2019-12-07 15:32:15,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:32:15,723 INFO L264 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 15:32:15,729 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:32:15,769 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-12-07 15:32:15,769 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-12-07 15:32:15,769 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 7 [2019-12-07 15:32:15,770 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993806359] [2019-12-07 15:32:15,770 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 15:32:15,770 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:32:15,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 15:32:15,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-12-07 15:32:15,771 INFO L87 Difference]: Start difference. First operand 1695 states and 1803 transitions. Second operand 3 states. [2019-12-07 15:32:16,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:32:16,085 INFO L93 Difference]: Finished difference Result 4518 states and 4819 transitions. [2019-12-07 15:32:16,085 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 15:32:16,085 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 168 [2019-12-07 15:32:16,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:32:16,098 INFO L225 Difference]: With dead ends: 4518 [2019-12-07 15:32:16,098 INFO L226 Difference]: Without dead ends: 2965 [2019-12-07 15:32:16,101 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-12-07 15:32:16,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2965 states. [2019-12-07 15:32:16,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2965 to 2965. [2019-12-07 15:32:16,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2965 states. [2019-12-07 15:32:16,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2965 states to 2965 states and 3160 transitions. [2019-12-07 15:32:16,161 INFO L78 Accepts]: Start accepts. Automaton has 2965 states and 3160 transitions. Word has length 168 [2019-12-07 15:32:16,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:32:16,161 INFO L462 AbstractCegarLoop]: Abstraction has 2965 states and 3160 transitions. [2019-12-07 15:32:16,161 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 15:32:16,161 INFO L276 IsEmpty]: Start isEmpty. Operand 2965 states and 3160 transitions. [2019-12-07 15:32:16,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-12-07 15:32:16,165 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:32:16,165 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:32:16,366 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 15:32:16,366 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:32:16,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:32:16,366 INFO L82 PathProgramCache]: Analyzing trace with hash 1863728915, now seen corresponding path program 1 times [2019-12-07 15:32:16,367 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:32:16,367 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974552611] [2019-12-07 15:32:16,367 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:32:16,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:32:16,412 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-12-07 15:32:16,413 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974552611] [2019-12-07 15:32:16,413 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:32:16,413 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 15:32:16,413 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298896504] [2019-12-07 15:32:16,414 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 15:32:16,414 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:32:16,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 15:32:16,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 15:32:16,414 INFO L87 Difference]: Start difference. First operand 2965 states and 3160 transitions. Second operand 3 states. [2019-12-07 15:32:16,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:32:16,733 INFO L93 Difference]: Finished difference Result 4660 states and 4962 transitions. [2019-12-07 15:32:16,734 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 15:32:16,734 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 172 [2019-12-07 15:32:16,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:32:16,746 INFO L225 Difference]: With dead ends: 4660 [2019-12-07 15:32:16,746 INFO L226 Difference]: Without dead ends: 2965 [2019-12-07 15:32:16,749 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 15:32:16,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2965 states. [2019-12-07 15:32:16,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2965 to 2825. [2019-12-07 15:32:16,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2825 states. [2019-12-07 15:32:16,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2825 states to 2825 states and 3011 transitions. [2019-12-07 15:32:16,805 INFO L78 Accepts]: Start accepts. Automaton has 2825 states and 3011 transitions. Word has length 172 [2019-12-07 15:32:16,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:32:16,805 INFO L462 AbstractCegarLoop]: Abstraction has 2825 states and 3011 transitions. [2019-12-07 15:32:16,806 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 15:32:16,806 INFO L276 IsEmpty]: Start isEmpty. Operand 2825 states and 3011 transitions. [2019-12-07 15:32:16,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2019-12-07 15:32:16,809 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:32:16,810 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 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, 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] [2019-12-07 15:32:16,810 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:32:16,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:32:16,810 INFO L82 PathProgramCache]: Analyzing trace with hash 927349297, now seen corresponding path program 1 times [2019-12-07 15:32:16,810 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:32:16,810 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9195611] [2019-12-07 15:32:16,811 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:32:16,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:32:16,869 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-12-07 15:32:16,869 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9195611] [2019-12-07 15:32:16,870 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:32:16,870 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 15:32:16,870 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274466223] [2019-12-07 15:32:16,870 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 15:32:16,871 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:32:16,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 15:32:16,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 15:32:16,871 INFO L87 Difference]: Start difference. First operand 2825 states and 3011 transitions. Second operand 3 states. [2019-12-07 15:32:17,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:32:17,160 INFO L93 Difference]: Finished difference Result 3665 states and 3891 transitions. [2019-12-07 15:32:17,160 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 15:32:17,160 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 193 [2019-12-07 15:32:17,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:32:17,160 INFO L225 Difference]: With dead ends: 3665 [2019-12-07 15:32:17,160 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 15:32:17,163 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 15:32:17,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 15:32:17,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 15:32:17,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 15:32:17,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 15:32:17,163 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 193 [2019-12-07 15:32:17,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:32:17,163 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 15:32:17,164 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 15:32:17,164 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 15:32:17,164 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 15:32:17,165 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 15:32:17,400 WARN L192 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 45 [2019-12-07 15:32:17,565 WARN L192 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 45 [2019-12-07 15:32:17,568 INFO L246 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:32:17,568 INFO L246 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:32:17,568 INFO L246 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:32:17,568 INFO L246 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-12-07 15:32:17,568 INFO L246 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2019-12-07 15:32:17,568 INFO L246 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2019-12-07 15:32:17,568 INFO L246 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2019-12-07 15:32:17,568 INFO L246 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-12-07 15:32:17,569 INFO L246 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-12-07 15:32:17,569 INFO L246 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-12-07 15:32:17,569 INFO L246 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:32:17,569 INFO L246 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:32:17,569 INFO L246 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:32:17,569 INFO L246 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-12-07 15:32:17,569 INFO L246 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2019-12-07 15:32:17,569 INFO L246 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2019-12-07 15:32:17,569 INFO L246 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2019-12-07 15:32:17,569 INFO L246 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2019-12-07 15:32:17,569 INFO L246 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2019-12-07 15:32:17,569 INFO L246 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-12-07 15:32:17,569 INFO L246 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:32:17,570 INFO L246 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:32:17,570 INFO L246 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:32:17,570 INFO L246 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-12-07 15:32:17,570 INFO L246 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2019-12-07 15:32:17,570 INFO L246 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2019-12-07 15:32:17,570 INFO L246 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2019-12-07 15:32:17,570 INFO L246 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-12-07 15:32:17,570 INFO L246 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:32:17,570 INFO L246 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:32:17,570 INFO L246 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:32:17,570 INFO L246 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-12-07 15:32:17,570 INFO L246 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-12-07 15:32:17,570 INFO L246 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2019-12-07 15:32:17,570 INFO L246 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2019-12-07 15:32:17,571 INFO L246 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2019-12-07 15:32:17,571 INFO L246 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-12-07 15:32:17,571 INFO L246 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-12-07 15:32:17,571 INFO L246 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-12-07 15:32:17,571 INFO L246 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:32:17,571 INFO L246 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:32:17,571 INFO L246 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:32:17,571 INFO L246 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-12-07 15:32:17,571 INFO L246 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2019-12-07 15:32:17,571 INFO L246 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2019-12-07 15:32:17,571 INFO L246 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2019-12-07 15:32:17,571 INFO L246 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-12-07 15:32:17,571 INFO L246 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-12-07 15:32:17,571 INFO L246 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-12-07 15:32:17,572 INFO L246 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-12-07 15:32:17,572 INFO L246 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:32:17,572 INFO L246 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:32:17,572 INFO L246 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:32:17,572 INFO L246 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2019-12-07 15:32:17,572 INFO L246 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2019-12-07 15:32:17,572 INFO L246 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2019-12-07 15:32:17,572 INFO L246 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2019-12-07 15:32:17,572 INFO L246 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2019-12-07 15:32:17,572 INFO L246 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2019-12-07 15:32:17,572 INFO L246 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2019-12-07 15:32:17,572 INFO L246 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-12-07 15:32:17,572 INFO L246 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-12-07 15:32:17,572 INFO L246 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:32:17,573 INFO L246 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:32:17,573 INFO L246 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:32:17,573 INFO L246 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-12-07 15:32:17,573 INFO L246 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2019-12-07 15:32:17,573 INFO L246 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2019-12-07 15:32:17,573 INFO L246 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2019-12-07 15:32:17,573 INFO L246 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-12-07 15:32:17,573 INFO L246 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-12-07 15:32:17,573 INFO L246 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:32:17,573 INFO L246 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:32:17,573 INFO L246 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:32:17,573 INFO L246 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-12-07 15:32:17,573 INFO L246 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-12-07 15:32:17,574 INFO L246 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2019-12-07 15:32:17,574 INFO L246 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2019-12-07 15:32:17,574 INFO L246 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2019-12-07 15:32:17,574 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 15:32:17,574 INFO L246 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-12-07 15:32:17,574 INFO L246 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-12-07 15:32:17,574 INFO L246 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-12-07 15:32:17,574 INFO L246 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:32:17,574 INFO L246 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:32:17,574 INFO L246 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:32:17,574 INFO L246 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2019-12-07 15:32:17,574 INFO L246 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2019-12-07 15:32:17,574 INFO L246 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2019-12-07 15:32:17,574 INFO L246 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-12-07 15:32:17,575 INFO L246 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-12-07 15:32:17,575 INFO L246 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:32:17,575 INFO L246 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:32:17,575 INFO L246 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:32:17,575 INFO L246 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-12-07 15:32:17,575 INFO L246 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2019-12-07 15:32:17,575 INFO L246 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2019-12-07 15:32:17,575 INFO L246 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2019-12-07 15:32:17,575 INFO L246 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-12-07 15:32:17,575 INFO L246 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-12-07 15:32:17,575 INFO L246 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2019-12-07 15:32:17,575 INFO L246 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2019-12-07 15:32:17,575 INFO L246 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-12-07 15:32:17,575 INFO L246 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-12-07 15:32:17,575 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 15:32:17,576 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 472) no Hoare annotation was computed. [2019-12-07 15:32:17,576 INFO L246 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2019-12-07 15:32:17,576 INFO L246 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:32:17,576 INFO L246 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:32:17,576 INFO L246 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-12-07 15:32:17,576 INFO L246 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2019-12-07 15:32:17,576 INFO L246 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2019-12-07 15:32:17,576 INFO L246 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2019-12-07 15:32:17,576 INFO L246 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-12-07 15:32:17,576 INFO L246 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-12-07 15:32:17,576 INFO L246 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2019-12-07 15:32:17,576 INFO L246 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2019-12-07 15:32:17,576 INFO L246 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-12-07 15:32:17,577 INFO L242 CegarLoopResult]: At program point L597(lines 29 598) the Hoare annotation is: (let ((.cse9 (= ~a25~0 1))) (let ((.cse10 (not .cse9)) (.cse1 (= ~a28~0 7)) (.cse0 (= ~a17~0 8)) (.cse2 (<= ~a11~0 0)) (.cse8 (not (= ~a28~0 11))) (.cse7 (= ~a11~0 1)) (.cse3 (= ~a28~0 10)) (.cse4 (not (= ~a28~0 8))) (.cse6 (= ~a19~0 1)) (.cse5 (not (= ~a17~0 9)))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse2 .cse5) (and .cse4 .cse6 .cse7 .cse5 .cse8) (and .cse4 .cse9 .cse7 .cse5 .cse8) (and .cse0 .cse1 .cse7) (and .cse10 .cse4 .cse2 .cse5 .cse8) (and .cse10 .cse0 .cse2 .cse8) (and .cse6 .cse1 .cse9 .cse5) (and .cse0 .cse6 .cse2 .cse8) (and .cse4 .cse6 .cse2 .cse5 .cse8) (and .cse3 .cse4 .cse7 .cse5) (and (<= 11 ~a28~0) .cse4 .cse6 .cse9 .cse5) (and .cse3 .cse4 .cse6 .cse5)))) [2019-12-07 15:32:17,577 INFO L246 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:32:17,577 INFO L246 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:32:17,577 INFO L246 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-12-07 15:32:17,577 INFO L246 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2019-12-07 15:32:17,577 INFO L246 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2019-12-07 15:32:17,577 INFO L246 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-12-07 15:32:17,577 INFO L246 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2019-12-07 15:32:17,578 INFO L246 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2019-12-07 15:32:17,578 INFO L249 CegarLoopResult]: At program point L600(lines 600 617) the Hoare annotation is: true [2019-12-07 15:32:17,578 INFO L246 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:32:17,578 INFO L246 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:32:17,578 INFO L246 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-12-07 15:32:17,578 INFO L246 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2019-12-07 15:32:17,578 INFO L246 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2019-12-07 15:32:17,578 INFO L246 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-12-07 15:32:17,578 INFO L246 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-12-07 15:32:17,578 INFO L246 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-12-07 15:32:17,578 INFO L246 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2019-12-07 15:32:17,578 INFO L246 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2019-12-07 15:32:17,578 INFO L246 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-12-07 15:32:17,578 INFO L246 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:32:17,579 INFO L246 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:32:17,579 INFO L246 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2019-12-07 15:32:17,579 INFO L246 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2019-12-07 15:32:17,579 INFO L246 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2019-12-07 15:32:17,579 INFO L246 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2019-12-07 15:32:17,579 INFO L246 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-12-07 15:32:17,579 INFO L246 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-12-07 15:32:17,579 INFO L242 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse9 (= ~a25~0 1))) (let ((.cse10 (not .cse9)) (.cse1 (= ~a28~0 7)) (.cse0 (= ~a17~0 8)) (.cse2 (<= ~a11~0 0)) (.cse8 (not (= ~a28~0 11))) (.cse7 (= ~a11~0 1)) (.cse3 (= ~a28~0 10)) (.cse4 (not (= ~a28~0 8))) (.cse6 (= ~a19~0 1)) (.cse5 (not (= ~a17~0 9)))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse2 .cse5) (and .cse4 .cse6 .cse7 .cse5 .cse8) (and .cse4 .cse9 .cse7 .cse5 .cse8) (and .cse0 .cse1 .cse7) (and .cse10 .cse4 .cse2 .cse5 .cse8) (and .cse10 .cse0 .cse2 .cse8) (and .cse6 .cse1 .cse9 .cse5) (and .cse0 .cse6 .cse2 .cse8) (and .cse4 .cse6 .cse2 .cse5 .cse8) (and .cse3 .cse4 .cse7 .cse5) (and (<= 11 ~a28~0) .cse4 .cse6 .cse9 .cse5) (and .cse3 .cse4 .cse6 .cse5)))) [2019-12-07 15:32:17,579 INFO L246 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:32:17,579 INFO L246 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:32:17,579 INFO L246 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-12-07 15:32:17,579 INFO L246 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2019-12-07 15:32:17,580 INFO L246 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2019-12-07 15:32:17,580 INFO L246 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-12-07 15:32:17,580 INFO L246 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-12-07 15:32:17,580 INFO L246 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:32:17,580 INFO L246 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:32:17,580 INFO L246 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2019-12-07 15:32:17,580 INFO L246 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2019-12-07 15:32:17,580 INFO L246 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-12-07 15:32:17,580 INFO L246 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-12-07 15:32:17,580 INFO L246 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-12-07 15:32:17,580 INFO L246 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2019-12-07 15:32:17,580 INFO L246 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-12-07 15:32:17,580 INFO L246 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2019-12-07 15:32:17,580 INFO L246 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2019-12-07 15:32:17,581 INFO L246 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:32:17,581 INFO L246 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:32:17,581 INFO L246 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2019-12-07 15:32:17,581 INFO L246 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:32:17,581 INFO L246 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2019-12-07 15:32:17,581 INFO L246 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2019-12-07 15:32:17,581 INFO L246 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2019-12-07 15:32:17,581 INFO L246 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-12-07 15:32:17,581 INFO L246 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-12-07 15:32:17,581 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 15:32:17,581 INFO L246 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-12-07 15:32:17,581 INFO L246 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:32:17,581 INFO L246 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:32:17,581 INFO L246 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:32:17,581 INFO L246 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2019-12-07 15:32:17,582 INFO L246 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2019-12-07 15:32:17,582 INFO L246 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2019-12-07 15:32:17,582 INFO L246 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-12-07 15:32:17,582 INFO L246 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-12-07 15:32:17,582 INFO L246 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:32:17,582 INFO L246 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:32:17,582 INFO L246 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:32:17,582 INFO L246 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-12-07 15:32:17,582 INFO L246 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2019-12-07 15:32:17,582 INFO L246 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2019-12-07 15:32:17,582 INFO L246 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2019-12-07 15:32:17,582 INFO L246 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-12-07 15:32:17,582 INFO L246 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-12-07 15:32:17,582 INFO L246 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:32:17,582 INFO L246 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:32:17,583 INFO L246 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:32:17,583 INFO L246 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-12-07 15:32:17,583 INFO L246 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-12-07 15:32:17,583 INFO L246 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-12-07 15:32:17,583 INFO L246 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2019-12-07 15:32:17,583 INFO L246 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2019-12-07 15:32:17,583 INFO L246 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2019-12-07 15:32:17,583 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 15:32:17,583 INFO L246 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-12-07 15:32:17,583 INFO L246 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-12-07 15:32:17,583 INFO L246 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:32:17,583 INFO L246 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:32:17,583 INFO L246 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:32:17,583 INFO L246 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-12-07 15:32:17,584 INFO L246 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2019-12-07 15:32:17,584 INFO L246 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2019-12-07 15:32:17,584 INFO L246 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2019-12-07 15:32:17,584 INFO L246 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-12-07 15:32:17,584 INFO L246 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:32:17,584 INFO L246 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:32:17,584 INFO L246 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:32:17,584 INFO L246 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-12-07 15:32:17,584 INFO L246 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-12-07 15:32:17,584 INFO L246 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-12-07 15:32:17,584 INFO L246 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2019-12-07 15:32:17,584 INFO L246 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2019-12-07 15:32:17,584 INFO L246 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2019-12-07 15:32:17,584 INFO L246 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2019-12-07 15:32:17,585 INFO L246 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-12-07 15:32:17,585 INFO L246 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2019-12-07 15:32:17,585 INFO L246 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-12-07 15:32:17,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 03:32:17 BoogieIcfgContainer [2019-12-07 15:32:17,606 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 15:32:17,606 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 15:32:17,606 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 15:32:17,607 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 15:32:17,607 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:32:11" (3/4) ... [2019-12-07 15:32:17,609 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 15:32:17,624 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-12-07 15:32:17,625 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 15:32:17,741 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f0fffa42-0d2b-4c78-840d-e080d11ca0dc/bin/uautomizer/witness.graphml [2019-12-07 15:32:17,742 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 15:32:17,743 INFO L168 Benchmark]: Toolchain (without parser) took 7571.70 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 244.8 MB). Free memory was 943.5 MB in the beginning and 902.2 MB in the end (delta: 41.3 MB). Peak memory consumption was 286.1 MB. Max. memory is 11.5 GB. [2019-12-07 15:32:17,743 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:32:17,743 INFO L168 Benchmark]: CACSL2BoogieTranslator took 371.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -171.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2019-12-07 15:32:17,743 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.13 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 15:32:17,744 INFO L168 Benchmark]: Boogie Preprocessor took 42.39 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 15:32:17,744 INFO L168 Benchmark]: RCFGBuilder took 680.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 998.2 MB in the end (delta: 106.1 MB). Peak memory consumption was 106.1 MB. Max. memory is 11.5 GB. [2019-12-07 15:32:17,744 INFO L168 Benchmark]: TraceAbstraction took 6289.92 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 102.8 MB). Free memory was 998.2 MB in the beginning and 920.1 MB in the end (delta: 78.1 MB). Peak memory consumption was 180.9 MB. Max. memory is 11.5 GB. [2019-12-07 15:32:17,745 INFO L168 Benchmark]: Witness Printer took 135.20 ms. Allocated memory is still 1.3 GB. Free memory was 920.1 MB in the beginning and 902.2 MB in the end (delta: 17.9 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-12-07 15:32:17,747 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 371.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -171.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 49.13 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 42.39 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 680.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 998.2 MB in the end (delta: 106.1 MB). Peak memory consumption was 106.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6289.92 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 102.8 MB). Free memory was 998.2 MB in the beginning and 920.1 MB in the end (delta: 78.1 MB). Peak memory consumption was 180.9 MB. Max. memory is 11.5 GB. * Witness Printer took 135.20 ms. Allocated memory is still 1.3 GB. Free memory was 920.1 MB in the beginning and 902.2 MB in the end (delta: 17.9 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 472]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((((((((a17 == 8 && a28 == 7) && a11 <= 0) || (((a28 == 10 && !(a28 == 8)) && a11 <= 0) && !(a17 == 9))) || ((((!(a28 == 8) && a19 == 1) && a11 == 1) && !(a17 == 9)) && !(a28 == 11))) || ((((!(a28 == 8) && a25 == 1) && a11 == 1) && !(a17 == 9)) && !(a28 == 11))) || ((a17 == 8 && a28 == 7) && a11 == 1)) || ((((!(a25 == 1) && !(a28 == 8)) && a11 <= 0) && !(a17 == 9)) && !(a28 == 11))) || (((!(a25 == 1) && a17 == 8) && a11 <= 0) && !(a28 == 11))) || (((a19 == 1 && a28 == 7) && a25 == 1) && !(a17 == 9))) || (((a17 == 8 && a19 == 1) && a11 <= 0) && !(a28 == 11))) || ((((!(a28 == 8) && a19 == 1) && a11 <= 0) && !(a17 == 9)) && !(a28 == 11))) || (((a28 == 10 && !(a28 == 8)) && a11 == 1) && !(a17 == 9))) || ((((11 <= a28 && !(a28 == 8)) && a19 == 1) && a25 == 1) && !(a17 == 9))) || (((a28 == 10 && !(a28 == 8)) && a19 == 1) && !(a17 == 9)) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (((((((((((((a17 == 8 && a28 == 7) && a11 <= 0) || (((a28 == 10 && !(a28 == 8)) && a11 <= 0) && !(a17 == 9))) || ((((!(a28 == 8) && a19 == 1) && a11 == 1) && !(a17 == 9)) && !(a28 == 11))) || ((((!(a28 == 8) && a25 == 1) && a11 == 1) && !(a17 == 9)) && !(a28 == 11))) || ((a17 == 8 && a28 == 7) && a11 == 1)) || ((((!(a25 == 1) && !(a28 == 8)) && a11 <= 0) && !(a17 == 9)) && !(a28 == 11))) || (((!(a25 == 1) && a17 == 8) && a11 <= 0) && !(a28 == 11))) || (((a19 == 1 && a28 == 7) && a25 == 1) && !(a17 == 9))) || (((a17 == 8 && a19 == 1) && a11 <= 0) && !(a28 == 11))) || ((((!(a28 == 8) && a19 == 1) && a11 <= 0) && !(a17 == 9)) && !(a28 == 11))) || (((a28 == 10 && !(a28 == 8)) && a11 == 1) && !(a17 == 9))) || ((((11 <= a28 && !(a28 == 8)) && a19 == 1) && a25 == 1) && !(a17 == 9))) || (((a28 == 10 && !(a28 == 8)) && a19 == 1) && !(a17 == 9)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 1 error locations. Result: SAFE, OverallTime: 5.8s, OverallIterations: 10, TraceHistogramMax: 5, AutomataDifference: 3.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, HoareTripleCheckerStatistics: 1065 SDtfs, 1945 SDslu, 163 SDs, 0 SdLazy, 3995 SolverSat, 768 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 354 GetRequests, 329 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2965occurred 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, 10 MinimizatonAttempts, 990 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 42 NumberOfFragments, 409 HoareAnnotationTreeSize, 3 FomulaSimplifications, 226 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 870 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 1780 NumberOfCodeBlocks, 1780 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1768 ConstructedInterpolants, 0 QuantifiedInterpolants, 536707 SizeOfPredicates, 1 NumberOfNonLiveVariables, 580 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 853/855 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...