./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label31.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_13ac00ea-a9e2-4fa8-8862-2654b03037d4/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_13ac00ea-a9e2-4fa8-8862-2654b03037d4/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_13ac00ea-a9e2-4fa8-8862-2654b03037d4/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_13ac00ea-a9e2-4fa8-8862-2654b03037d4/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label31.c -s /tmp/vcloud-vcloud-master/worker/run_dir_13ac00ea-a9e2-4fa8-8862-2654b03037d4/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_13ac00ea-a9e2-4fa8-8862-2654b03037d4/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 ec451dfa87bae03634c3df96f95bbd4db2c274c1 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 15:13:39,284 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 15:13:39,285 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 15:13:39,293 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 15:13:39,293 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 15:13:39,294 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 15:13:39,295 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 15:13:39,297 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 15:13:39,298 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 15:13:39,299 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 15:13:39,300 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 15:13:39,300 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 15:13:39,301 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 15:13:39,301 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 15:13:39,302 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 15:13:39,303 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 15:13:39,303 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 15:13:39,304 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 15:13:39,305 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 15:13:39,307 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 15:13:39,308 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 15:13:39,309 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 15:13:39,310 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 15:13:39,310 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 15:13:39,312 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 15:13:39,312 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 15:13:39,312 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 15:13:39,313 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 15:13:39,313 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 15:13:39,314 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 15:13:39,314 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 15:13:39,314 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 15:13:39,315 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 15:13:39,315 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 15:13:39,316 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 15:13:39,316 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 15:13:39,317 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 15:13:39,317 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 15:13:39,317 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 15:13:39,318 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 15:13:39,319 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 15:13:39,319 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_13ac00ea-a9e2-4fa8-8862-2654b03037d4/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 15:13:39,332 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 15:13:39,332 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 15:13:39,333 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 15:13:39,333 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 15:13:39,333 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 15:13:39,334 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 15:13:39,334 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 15:13:39,334 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 15:13:39,334 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 15:13:39,334 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 15:13:39,335 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 15:13:39,335 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 15:13:39,335 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 15:13:39,335 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 15:13:39,335 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 15:13:39,335 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 15:13:39,336 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 15:13:39,336 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 15:13:39,336 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 15:13:39,336 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 15:13:39,336 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 15:13:39,337 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 15:13:39,337 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 15:13:39,337 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 15:13:39,337 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 15:13:39,337 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 15:13:39,337 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 15:13:39,338 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 15:13:39,338 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 15:13:39,338 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_13ac00ea-a9e2-4fa8-8862-2654b03037d4/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 -> ec451dfa87bae03634c3df96f95bbd4db2c274c1 [2019-12-07 15:13:39,439 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 15:13:39,448 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 15:13:39,451 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 15:13:39,452 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 15:13:39,452 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 15:13:39,453 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_13ac00ea-a9e2-4fa8-8862-2654b03037d4/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem02_label31.c [2019-12-07 15:13:39,501 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_13ac00ea-a9e2-4fa8-8862-2654b03037d4/bin/uautomizer/data/30095e1c6/2d3b4c7498434cd9a6731408c3aba811/FLAG0f6f92568 [2019-12-07 15:13:39,966 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 15:13:39,967 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_13ac00ea-a9e2-4fa8-8862-2654b03037d4/sv-benchmarks/c/eca-rers2012/Problem02_label31.c [2019-12-07 15:13:39,975 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_13ac00ea-a9e2-4fa8-8862-2654b03037d4/bin/uautomizer/data/30095e1c6/2d3b4c7498434cd9a6731408c3aba811/FLAG0f6f92568 [2019-12-07 15:13:40,476 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_13ac00ea-a9e2-4fa8-8862-2654b03037d4/bin/uautomizer/data/30095e1c6/2d3b4c7498434cd9a6731408c3aba811 [2019-12-07 15:13:40,478 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 15:13:40,479 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 15:13:40,480 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 15:13:40,480 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 15:13:40,483 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 15:13:40,483 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:13:40" (1/1) ... [2019-12-07 15:13:40,485 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ce49fbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:13:40, skipping insertion in model container [2019-12-07 15:13:40,485 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:13:40" (1/1) ... [2019-12-07 15:13:40,490 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 15:13:40,520 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 15:13:40,747 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:13:40,750 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 15:13:40,801 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:13:40,811 INFO L208 MainTranslator]: Completed translation [2019-12-07 15:13:40,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:13:40 WrapperNode [2019-12-07 15:13:40,811 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 15:13:40,812 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 15:13:40,812 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 15:13:40,812 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 15:13:40,818 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:13:40" (1/1) ... [2019-12-07 15:13:40,830 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:13:40" (1/1) ... [2019-12-07 15:13:40,861 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 15:13:40,862 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 15:13:40,862 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 15:13:40,862 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 15:13:40,868 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:13:40" (1/1) ... [2019-12-07 15:13:40,869 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:13:40" (1/1) ... [2019-12-07 15:13:40,871 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:13:40" (1/1) ... [2019-12-07 15:13:40,871 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:13:40" (1/1) ... [2019-12-07 15:13:40,885 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:13:40" (1/1) ... [2019-12-07 15:13:40,893 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:13:40" (1/1) ... [2019-12-07 15:13:40,896 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:13:40" (1/1) ... [2019-12-07 15:13:40,901 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 15:13:40,901 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 15:13:40,901 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 15:13:40,901 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 15:13:40,902 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:13:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_13ac00ea-a9e2-4fa8-8862-2654b03037d4/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 15:13:40,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 15:13:40,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 15:13:41,525 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 15:13:41,526 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-07 15:13:41,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:13:41 BoogieIcfgContainer [2019-12-07 15:13:41,527 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 15:13:41,528 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 15:13:41,528 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 15:13:41,531 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 15:13:41,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 03:13:40" (1/3) ... [2019-12-07 15:13:41,532 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38766646 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 03:13:41, skipping insertion in model container [2019-12-07 15:13:41,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:13:40" (2/3) ... [2019-12-07 15:13:41,532 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38766646 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 03:13:41, skipping insertion in model container [2019-12-07 15:13:41,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:13:41" (3/3) ... [2019-12-07 15:13:41,534 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label31.c [2019-12-07 15:13:41,542 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 15:13:41,548 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 15:13:41,558 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 15:13:41,579 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 15:13:41,579 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 15:13:41,579 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 15:13:41,579 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 15:13:41,579 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 15:13:41,579 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 15:13:41,579 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 15:13:41,579 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 15:13:41,597 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2019-12-07 15:13:41,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2019-12-07 15:13:41,607 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:13:41,608 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:13:41,608 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:13:41,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:13:41,612 INFO L82 PathProgramCache]: Analyzing trace with hash 1691815701, now seen corresponding path program 1 times [2019-12-07 15:13:41,619 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:13:41,619 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486900030] [2019-12-07 15:13:41,619 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:13:41,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:13:41,914 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 15:13:41,914 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486900030] [2019-12-07 15:13:41,915 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:13:41,915 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 15:13:41,916 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668365834] [2019-12-07 15:13:41,920 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 15:13:41,920 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:13:41,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 15:13:41,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 15:13:41,931 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 4 states. [2019-12-07 15:13:42,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:13:42,702 INFO L93 Difference]: Finished difference Result 789 states and 1377 transitions. [2019-12-07 15:13:42,702 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 15:13:42,703 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 116 [2019-12-07 15:13:42,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:13:42,715 INFO L225 Difference]: With dead ends: 789 [2019-12-07 15:13:42,715 INFO L226 Difference]: Without dead ends: 465 [2019-12-07 15:13:42,718 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 15:13:42,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2019-12-07 15:13:42,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 309. [2019-12-07 15:13:42,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 309 states. [2019-12-07 15:13:42,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 453 transitions. [2019-12-07 15:13:42,759 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 453 transitions. Word has length 116 [2019-12-07 15:13:42,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:13:42,760 INFO L462 AbstractCegarLoop]: Abstraction has 309 states and 453 transitions. [2019-12-07 15:13:42,760 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 15:13:42,760 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 453 transitions. [2019-12-07 15:13:42,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2019-12-07 15:13:42,763 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:13:42,763 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:13:42,763 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:13:42,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:13:42,764 INFO L82 PathProgramCache]: Analyzing trace with hash 446480128, now seen corresponding path program 1 times [2019-12-07 15:13:42,764 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:13:42,764 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277017920] [2019-12-07 15:13:42,764 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:13:42,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:13:42,882 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:13:42,883 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277017920] [2019-12-07 15:13:42,883 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:13:42,883 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 15:13:42,883 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910024672] [2019-12-07 15:13:42,885 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 15:13:42,885 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:13:42,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 15:13:42,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 15:13:42,886 INFO L87 Difference]: Start difference. First operand 309 states and 453 transitions. Second operand 4 states. [2019-12-07 15:13:43,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:13:43,415 INFO L93 Difference]: Finished difference Result 1186 states and 1750 transitions. [2019-12-07 15:13:43,415 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 15:13:43,415 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 120 [2019-12-07 15:13:43,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:13:43,419 INFO L225 Difference]: With dead ends: 1186 [2019-12-07 15:13:43,420 INFO L226 Difference]: Without dead ends: 879 [2019-12-07 15:13:43,421 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 15:13:43,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 879 states. [2019-12-07 15:13:43,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 879 to 733. [2019-12-07 15:13:43,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 733 states. [2019-12-07 15:13:43,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 1022 transitions. [2019-12-07 15:13:43,445 INFO L78 Accepts]: Start accepts. Automaton has 733 states and 1022 transitions. Word has length 120 [2019-12-07 15:13:43,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:13:43,446 INFO L462 AbstractCegarLoop]: Abstraction has 733 states and 1022 transitions. [2019-12-07 15:13:43,446 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 15:13:43,446 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 1022 transitions. [2019-12-07 15:13:43,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-12-07 15:13:43,449 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:13:43,449 INFO L410 BasicCegarLoop]: trace histogram [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, 1, 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 15:13:43,449 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:13:43,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:13:43,450 INFO L82 PathProgramCache]: Analyzing trace with hash -1866789237, now seen corresponding path program 1 times [2019-12-07 15:13:43,450 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:13:43,450 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365973430] [2019-12-07 15:13:43,450 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:13:43,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:13:43,500 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-12-07 15:13:43,500 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365973430] [2019-12-07 15:13:43,500 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:13:43,500 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 15:13:43,500 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021932294] [2019-12-07 15:13:43,501 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 15:13:43,501 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:13:43,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 15:13:43,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 15:13:43,501 INFO L87 Difference]: Start difference. First operand 733 states and 1022 transitions. Second operand 4 states. [2019-12-07 15:13:44,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:13:44,089 INFO L93 Difference]: Finished difference Result 2881 states and 4026 transitions. [2019-12-07 15:13:44,089 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 15:13:44,090 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 138 [2019-12-07 15:13:44,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:13:44,101 INFO L225 Difference]: With dead ends: 2881 [2019-12-07 15:13:44,101 INFO L226 Difference]: Without dead ends: 2150 [2019-12-07 15:13:44,103 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 15:13:44,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2150 states. [2019-12-07 15:13:44,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2150 to 1293. [2019-12-07 15:13:44,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1293 states. [2019-12-07 15:13:44,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1293 states to 1293 states and 1761 transitions. [2019-12-07 15:13:44,139 INFO L78 Accepts]: Start accepts. Automaton has 1293 states and 1761 transitions. Word has length 138 [2019-12-07 15:13:44,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:13:44,139 INFO L462 AbstractCegarLoop]: Abstraction has 1293 states and 1761 transitions. [2019-12-07 15:13:44,139 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 15:13:44,139 INFO L276 IsEmpty]: Start isEmpty. Operand 1293 states and 1761 transitions. [2019-12-07 15:13:44,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2019-12-07 15:13:44,142 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:13:44,142 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:13:44,143 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:13:44,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:13:44,143 INFO L82 PathProgramCache]: Analyzing trace with hash 771340998, now seen corresponding path program 1 times [2019-12-07 15:13:44,143 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:13:44,143 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293992012] [2019-12-07 15:13:44,143 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:13:44,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:13:44,199 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:13:44,199 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293992012] [2019-12-07 15:13:44,199 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:13:44,199 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 15:13:44,200 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684592077] [2019-12-07 15:13:44,200 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 15:13:44,200 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:13:44,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 15:13:44,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 15:13:44,201 INFO L87 Difference]: Start difference. First operand 1293 states and 1761 transitions. Second operand 4 states. [2019-12-07 15:13:44,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:13:44,833 INFO L93 Difference]: Finished difference Result 3566 states and 4879 transitions. [2019-12-07 15:13:44,833 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 15:13:44,833 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 141 [2019-12-07 15:13:44,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:13:44,844 INFO L225 Difference]: With dead ends: 3566 [2019-12-07 15:13:44,844 INFO L226 Difference]: Without dead ends: 2275 [2019-12-07 15:13:44,846 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 15:13:44,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2275 states. [2019-12-07 15:13:44,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2275 to 2132. [2019-12-07 15:13:44,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2132 states. [2019-12-07 15:13:44,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2132 states to 2132 states and 2789 transitions. [2019-12-07 15:13:44,887 INFO L78 Accepts]: Start accepts. Automaton has 2132 states and 2789 transitions. Word has length 141 [2019-12-07 15:13:44,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:13:44,888 INFO L462 AbstractCegarLoop]: Abstraction has 2132 states and 2789 transitions. [2019-12-07 15:13:44,888 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 15:13:44,888 INFO L276 IsEmpty]: Start isEmpty. Operand 2132 states and 2789 transitions. [2019-12-07 15:13:44,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-12-07 15:13:44,891 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:13:44,891 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:13:44,891 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:13:44,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:13:44,892 INFO L82 PathProgramCache]: Analyzing trace with hash -618041823, now seen corresponding path program 1 times [2019-12-07 15:13:44,892 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:13:44,892 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508651983] [2019-12-07 15:13:44,892 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:13:44,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:13:44,929 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-12-07 15:13:44,929 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508651983] [2019-12-07 15:13:44,929 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:13:44,929 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 15:13:44,930 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482287343] [2019-12-07 15:13:44,930 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 15:13:44,930 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:13:44,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 15:13:44,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 15:13:44,930 INFO L87 Difference]: Start difference. First operand 2132 states and 2789 transitions. Second operand 3 states. [2019-12-07 15:13:45,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:13:45,301 INFO L93 Difference]: Finished difference Result 5239 states and 6804 transitions. [2019-12-07 15:13:45,302 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 15:13:45,302 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 152 [2019-12-07 15:13:45,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:13:45,302 INFO L225 Difference]: With dead ends: 5239 [2019-12-07 15:13:45,302 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 15:13:45,307 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 15:13:45,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 15:13:45,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 15:13:45,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 15:13:45,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 15:13:45,308 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 152 [2019-12-07 15:13:45,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:13:45,308 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 15:13:45,308 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 15:13:45,308 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 15:13:45,308 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 15:13:45,310 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 15:13:45,445 INFO L246 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:13:45,445 INFO L246 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:13:45,445 INFO L246 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:13:45,445 INFO L246 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-12-07 15:13:45,445 INFO L246 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2019-12-07 15:13:45,445 INFO L246 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2019-12-07 15:13:45,445 INFO L246 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2019-12-07 15:13:45,445 INFO L246 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-12-07 15:13:45,445 INFO L246 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-12-07 15:13:45,445 INFO L246 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-12-07 15:13:45,446 INFO L246 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:13:45,446 INFO L246 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:13:45,446 INFO L246 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:13:45,446 INFO L246 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-12-07 15:13:45,446 INFO L246 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2019-12-07 15:13:45,446 INFO L246 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2019-12-07 15:13:45,446 INFO L246 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2019-12-07 15:13:45,446 INFO L246 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2019-12-07 15:13:45,446 INFO L246 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2019-12-07 15:13:45,446 INFO L246 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-12-07 15:13:45,446 INFO L246 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:13:45,446 INFO L246 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:13:45,446 INFO L246 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:13:45,446 INFO L246 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-12-07 15:13:45,446 INFO L246 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2019-12-07 15:13:45,446 INFO L246 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2019-12-07 15:13:45,447 INFO L246 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2019-12-07 15:13:45,447 INFO L246 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-12-07 15:13:45,447 INFO L246 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:13:45,447 INFO L246 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:13:45,447 INFO L246 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:13:45,447 INFO L246 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-12-07 15:13:45,447 INFO L246 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-12-07 15:13:45,447 INFO L246 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2019-12-07 15:13:45,447 INFO L246 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2019-12-07 15:13:45,447 INFO L246 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2019-12-07 15:13:45,447 INFO L246 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-12-07 15:13:45,447 INFO L246 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-12-07 15:13:45,447 INFO L246 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-12-07 15:13:45,447 INFO L246 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:13:45,447 INFO L246 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:13:45,447 INFO L246 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:13:45,448 INFO L246 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-12-07 15:13:45,448 INFO L246 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2019-12-07 15:13:45,448 INFO L246 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2019-12-07 15:13:45,448 INFO L246 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2019-12-07 15:13:45,448 INFO L246 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-12-07 15:13:45,448 INFO L246 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-12-07 15:13:45,448 INFO L246 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-12-07 15:13:45,448 INFO L246 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-12-07 15:13:45,448 INFO L246 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:13:45,448 INFO L246 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:13:45,448 INFO L246 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:13:45,448 INFO L246 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2019-12-07 15:13:45,448 INFO L246 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2019-12-07 15:13:45,448 INFO L246 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2019-12-07 15:13:45,448 INFO L246 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2019-12-07 15:13:45,448 INFO L246 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2019-12-07 15:13:45,449 INFO L246 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2019-12-07 15:13:45,449 INFO L246 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2019-12-07 15:13:45,449 INFO L246 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-12-07 15:13:45,449 INFO L246 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-12-07 15:13:45,449 INFO L246 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:13:45,449 INFO L246 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:13:45,449 INFO L246 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:13:45,449 INFO L246 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-12-07 15:13:45,449 INFO L246 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2019-12-07 15:13:45,449 INFO L246 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2019-12-07 15:13:45,449 INFO L246 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2019-12-07 15:13:45,449 INFO L246 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-12-07 15:13:45,449 INFO L246 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-12-07 15:13:45,449 INFO L246 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:13:45,449 INFO L246 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:13:45,449 INFO L246 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:13:45,449 INFO L246 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-12-07 15:13:45,450 INFO L246 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-12-07 15:13:45,450 INFO L246 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2019-12-07 15:13:45,450 INFO L246 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2019-12-07 15:13:45,450 INFO L246 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2019-12-07 15:13:45,450 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 15:13:45,450 INFO L246 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-12-07 15:13:45,450 INFO L246 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-12-07 15:13:45,450 INFO L246 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-12-07 15:13:45,450 INFO L246 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:13:45,450 INFO L246 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:13:45,450 INFO L246 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:13:45,450 INFO L246 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2019-12-07 15:13:45,450 INFO L246 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2019-12-07 15:13:45,450 INFO L246 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2019-12-07 15:13:45,450 INFO L246 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-12-07 15:13:45,450 INFO L246 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-12-07 15:13:45,450 INFO L246 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:13:45,450 INFO L246 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:13:45,451 INFO L246 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:13:45,451 INFO L246 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-12-07 15:13:45,451 INFO L246 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2019-12-07 15:13:45,451 INFO L246 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2019-12-07 15:13:45,451 INFO L246 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2019-12-07 15:13:45,451 INFO L246 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-12-07 15:13:45,451 INFO L246 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-12-07 15:13:45,451 INFO L246 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2019-12-07 15:13:45,451 INFO L246 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2019-12-07 15:13:45,451 INFO L246 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-12-07 15:13:45,451 INFO L246 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-12-07 15:13:45,451 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 15:13:45,451 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 520) no Hoare annotation was computed. [2019-12-07 15:13:45,451 INFO L246 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2019-12-07 15:13:45,451 INFO L246 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:13:45,451 INFO L246 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:13:45,451 INFO L246 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-12-07 15:13:45,452 INFO L246 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2019-12-07 15:13:45,452 INFO L246 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2019-12-07 15:13:45,452 INFO L246 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2019-12-07 15:13:45,452 INFO L246 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-12-07 15:13:45,452 INFO L246 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-12-07 15:13:45,452 INFO L246 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2019-12-07 15:13:45,452 INFO L246 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2019-12-07 15:13:45,452 INFO L246 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-12-07 15:13:45,452 INFO L242 CegarLoopResult]: At program point L597(lines 29 598) the Hoare annotation is: (let ((.cse0 (not (= ~a25~0 1))) (.cse2 (not (= ~a28~0 8))) (.cse1 (not (= ~a11~0 1)))) (or (= ~a28~0 9) (and .cse0 .cse1) (and .cse0 .cse2) (= ~a19~0 1) (and .cse2 .cse1))) [2019-12-07 15:13:45,452 INFO L246 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:13:45,452 INFO L246 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:13:45,452 INFO L246 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-12-07 15:13:45,452 INFO L246 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2019-12-07 15:13:45,453 INFO L246 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2019-12-07 15:13:45,453 INFO L246 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-12-07 15:13:45,453 INFO L246 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2019-12-07 15:13:45,453 INFO L246 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2019-12-07 15:13:45,453 INFO L249 CegarLoopResult]: At program point L600(lines 600 617) the Hoare annotation is: true [2019-12-07 15:13:45,453 INFO L246 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:13:45,453 INFO L246 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:13:45,453 INFO L246 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-12-07 15:13:45,453 INFO L246 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2019-12-07 15:13:45,453 INFO L246 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2019-12-07 15:13:45,453 INFO L246 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-12-07 15:13:45,453 INFO L246 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-12-07 15:13:45,453 INFO L246 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-12-07 15:13:45,453 INFO L246 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2019-12-07 15:13:45,453 INFO L246 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2019-12-07 15:13:45,453 INFO L246 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-12-07 15:13:45,453 INFO L246 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:13:45,453 INFO L246 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:13:45,454 INFO L246 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2019-12-07 15:13:45,454 INFO L246 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2019-12-07 15:13:45,454 INFO L246 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2019-12-07 15:13:45,454 INFO L246 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2019-12-07 15:13:45,454 INFO L246 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-12-07 15:13:45,454 INFO L246 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-12-07 15:13:45,454 INFO L242 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse0 (not (= ~a25~0 1))) (.cse2 (not (= ~a28~0 8))) (.cse1 (not (= ~a11~0 1)))) (or (= ~a28~0 9) (and .cse0 .cse1) (and .cse0 .cse2) (= ~a19~0 1) (and .cse2 .cse1))) [2019-12-07 15:13:45,454 INFO L246 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:13:45,454 INFO L246 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:13:45,454 INFO L246 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-12-07 15:13:45,454 INFO L246 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2019-12-07 15:13:45,454 INFO L246 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2019-12-07 15:13:45,454 INFO L246 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-12-07 15:13:45,454 INFO L246 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-12-07 15:13:45,454 INFO L246 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:13:45,454 INFO L246 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:13:45,454 INFO L246 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2019-12-07 15:13:45,455 INFO L246 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2019-12-07 15:13:45,455 INFO L246 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-12-07 15:13:45,455 INFO L246 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-12-07 15:13:45,455 INFO L246 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-12-07 15:13:45,455 INFO L246 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2019-12-07 15:13:45,455 INFO L246 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-12-07 15:13:45,455 INFO L246 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2019-12-07 15:13:45,455 INFO L246 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2019-12-07 15:13:45,455 INFO L246 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:13:45,455 INFO L246 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:13:45,455 INFO L246 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2019-12-07 15:13:45,455 INFO L246 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:13:45,455 INFO L246 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2019-12-07 15:13:45,455 INFO L246 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2019-12-07 15:13:45,455 INFO L246 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2019-12-07 15:13:45,455 INFO L246 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-12-07 15:13:45,455 INFO L246 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-12-07 15:13:45,456 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 15:13:45,456 INFO L246 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-12-07 15:13:45,456 INFO L246 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:13:45,456 INFO L246 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:13:45,456 INFO L246 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:13:45,456 INFO L246 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2019-12-07 15:13:45,456 INFO L246 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2019-12-07 15:13:45,456 INFO L246 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2019-12-07 15:13:45,456 INFO L246 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-12-07 15:13:45,456 INFO L246 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-12-07 15:13:45,456 INFO L246 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:13:45,456 INFO L246 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:13:45,456 INFO L246 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:13:45,456 INFO L246 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-12-07 15:13:45,456 INFO L246 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2019-12-07 15:13:45,456 INFO L246 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2019-12-07 15:13:45,457 INFO L246 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2019-12-07 15:13:45,457 INFO L246 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-12-07 15:13:45,457 INFO L246 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-12-07 15:13:45,457 INFO L246 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:13:45,457 INFO L246 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:13:45,457 INFO L246 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:13:45,457 INFO L246 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-12-07 15:13:45,457 INFO L246 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-12-07 15:13:45,457 INFO L246 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-12-07 15:13:45,457 INFO L246 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2019-12-07 15:13:45,457 INFO L246 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2019-12-07 15:13:45,457 INFO L246 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2019-12-07 15:13:45,457 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 15:13:45,457 INFO L246 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-12-07 15:13:45,457 INFO L246 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-12-07 15:13:45,457 INFO L246 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:13:45,457 INFO L246 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:13:45,458 INFO L246 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:13:45,458 INFO L246 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-12-07 15:13:45,458 INFO L246 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2019-12-07 15:13:45,458 INFO L246 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2019-12-07 15:13:45,458 INFO L246 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2019-12-07 15:13:45,458 INFO L246 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-12-07 15:13:45,458 INFO L246 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:13:45,458 INFO L246 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:13:45,458 INFO L246 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 15:13:45,458 INFO L246 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-12-07 15:13:45,458 INFO L246 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-12-07 15:13:45,458 INFO L246 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-12-07 15:13:45,458 INFO L246 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2019-12-07 15:13:45,458 INFO L246 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2019-12-07 15:13:45,458 INFO L246 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2019-12-07 15:13:45,458 INFO L246 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2019-12-07 15:13:45,458 INFO L246 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-12-07 15:13:45,458 INFO L246 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2019-12-07 15:13:45,458 INFO L246 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-12-07 15:13:45,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 03:13:45 BoogieIcfgContainer [2019-12-07 15:13:45,472 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 15:13:45,472 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 15:13:45,472 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 15:13:45,472 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 15:13:45,473 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:13:41" (3/4) ... [2019-12-07 15:13:45,475 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 15:13:45,489 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-12-07 15:13:45,490 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 15:13:45,571 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_13ac00ea-a9e2-4fa8-8862-2654b03037d4/bin/uautomizer/witness.graphml [2019-12-07 15:13:45,571 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 15:13:45,573 INFO L168 Benchmark]: Toolchain (without parser) took 5093.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 938.7 MB in the beginning and 855.2 MB in the end (delta: 83.5 MB). Peak memory consumption was 244.0 MB. Max. memory is 11.5 GB. [2019-12-07 15:13:45,573 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:13:45,573 INFO L168 Benchmark]: CACSL2BoogieTranslator took 331.76 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.8 MB). Free memory was 938.7 MB in the beginning and 1.1 GB in the end (delta: -126.0 MB). Peak memory consumption was 23.9 MB. Max. memory is 11.5 GB. [2019-12-07 15:13:45,574 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.47 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 15:13:45,574 INFO L168 Benchmark]: Boogie Preprocessor took 39.23 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 15:13:45,574 INFO L168 Benchmark]: RCFGBuilder took 626.29 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 945.3 MB in the end (delta: 108.6 MB). Peak memory consumption was 108.6 MB. Max. memory is 11.5 GB. [2019-12-07 15:13:45,574 INFO L168 Benchmark]: TraceAbstraction took 3943.69 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 67.6 MB). Free memory was 945.3 MB in the beginning and 877.0 MB in the end (delta: 68.4 MB). Peak memory consumption was 136.0 MB. Max. memory is 11.5 GB. [2019-12-07 15:13:45,574 INFO L168 Benchmark]: Witness Printer took 99.35 ms. Allocated memory is still 1.2 GB. Free memory was 877.0 MB in the beginning and 855.2 MB in the end (delta: 21.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. [2019-12-07 15:13:45,576 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 331.76 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.8 MB). Free memory was 938.7 MB in the beginning and 1.1 GB in the end (delta: -126.0 MB). Peak memory consumption was 23.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 49.47 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.23 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 626.29 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 945.3 MB in the end (delta: 108.6 MB). Peak memory consumption was 108.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3943.69 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 67.6 MB). Free memory was 945.3 MB in the beginning and 877.0 MB in the end (delta: 68.4 MB). Peak memory consumption was 136.0 MB. Max. memory is 11.5 GB. * Witness Printer took 99.35 ms. Allocated memory is still 1.2 GB. Free memory was 877.0 MB in the beginning and 855.2 MB in the end (delta: 21.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 520]: 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: (((a28 == 9 || (!(a25 == 1) && !(a11 == 1))) || (!(a25 == 1) && !(a28 == 8))) || a19 == 1) || (!(a28 == 8) && !(a11 == 1)) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (((a28 == 9 || (!(a25 == 1) && !(a11 == 1))) || (!(a25 == 1) && !(a28 == 8))) || a19 == 1) || (!(a28 == 8) && !(a11 == 1)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 1 error locations. Result: SAFE, OverallTime: 3.7s, OverallIterations: 5, TraceHistogramMax: 3, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 308 SDtfs, 1305 SDslu, 175 SDs, 0 SdLazy, 3390 SolverSat, 690 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2132occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 1302 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 50 NumberOfFragments, 69 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1080 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 290 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 667 NumberOfCodeBlocks, 667 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 662 ConstructedInterpolants, 0 QuantifiedInterpolants, 180366 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 103/103 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...