./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label26.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_4d002596-f45e-45a8-bfc6-803c34ae6d25/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_4d002596-f45e-45a8-bfc6-803c34ae6d25/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4d002596-f45e-45a8-bfc6-803c34ae6d25/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4d002596-f45e-45a8-bfc6-803c34ae6d25/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label26.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4d002596-f45e-45a8-bfc6-803c34ae6d25/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4d002596-f45e-45a8-bfc6-803c34ae6d25/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 ec64944e15cde20ad15af2bd0f0e78efc8184588 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 18:59:34,464 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 18:59:34,466 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 18:59:34,473 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 18:59:34,473 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 18:59:34,474 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 18:59:34,475 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 18:59:34,476 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 18:59:34,477 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 18:59:34,478 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 18:59:34,478 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 18:59:34,479 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 18:59:34,479 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 18:59:34,480 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 18:59:34,481 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 18:59:34,482 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 18:59:34,482 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 18:59:34,483 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 18:59:34,485 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 18:59:34,486 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 18:59:34,487 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 18:59:34,488 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 18:59:34,489 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 18:59:34,489 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 18:59:34,491 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 18:59:34,491 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 18:59:34,491 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 18:59:34,492 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 18:59:34,492 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 18:59:34,492 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 18:59:34,492 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 18:59:34,493 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 18:59:34,493 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 18:59:34,494 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 18:59:34,495 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 18:59:34,495 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 18:59:34,496 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 18:59:34,496 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 18:59:34,496 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 18:59:34,497 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 18:59:34,497 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 18:59:34,498 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4d002596-f45e-45a8-bfc6-803c34ae6d25/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 18:59:34,510 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 18:59:34,510 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 18:59:34,511 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 18:59:34,512 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 18:59:34,512 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 18:59:34,512 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 18:59:34,512 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 18:59:34,512 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 18:59:34,513 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 18:59:34,513 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 18:59:34,513 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 18:59:34,513 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 18:59:34,513 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 18:59:34,513 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 18:59:34,514 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 18:59:34,514 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 18:59:34,514 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 18:59:34,514 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 18:59:34,514 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 18:59:34,515 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 18:59:34,515 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 18:59:34,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 18:59:34,515 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 18:59:34,515 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 18:59:34,516 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 18:59:34,516 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 18:59:34,516 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 18:59:34,516 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 18:59:34,516 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 18:59:34,516 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_4d002596-f45e-45a8-bfc6-803c34ae6d25/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 -> ec64944e15cde20ad15af2bd0f0e78efc8184588 [2019-12-07 18:59:34,625 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 18:59:34,632 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 18:59:34,634 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 18:59:34,635 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 18:59:34,635 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 18:59:34,636 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4d002596-f45e-45a8-bfc6-803c34ae6d25/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem02_label26.c [2019-12-07 18:59:34,673 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4d002596-f45e-45a8-bfc6-803c34ae6d25/bin/uautomizer/data/14cb1c583/599677a89f974270a388ba7a096f350c/FLAG06c7f42bd [2019-12-07 18:59:35,146 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 18:59:35,146 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4d002596-f45e-45a8-bfc6-803c34ae6d25/sv-benchmarks/c/eca-rers2012/Problem02_label26.c [2019-12-07 18:59:35,156 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4d002596-f45e-45a8-bfc6-803c34ae6d25/bin/uautomizer/data/14cb1c583/599677a89f974270a388ba7a096f350c/FLAG06c7f42bd [2019-12-07 18:59:35,166 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4d002596-f45e-45a8-bfc6-803c34ae6d25/bin/uautomizer/data/14cb1c583/599677a89f974270a388ba7a096f350c [2019-12-07 18:59:35,168 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 18:59:35,168 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 18:59:35,169 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 18:59:35,169 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 18:59:35,171 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 18:59:35,172 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:59:35" (1/1) ... [2019-12-07 18:59:35,173 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6aaa2f28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:59:35, skipping insertion in model container [2019-12-07 18:59:35,174 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:59:35" (1/1) ... [2019-12-07 18:59:35,178 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 18:59:35,210 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 18:59:35,442 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:59:35,445 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 18:59:35,498 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:59:35,508 INFO L208 MainTranslator]: Completed translation [2019-12-07 18:59:35,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:59:35 WrapperNode [2019-12-07 18:59:35,508 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 18:59:35,509 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 18:59:35,509 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 18:59:35,509 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 18:59:35,515 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:59:35" (1/1) ... [2019-12-07 18:59:35,527 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:59:35" (1/1) ... [2019-12-07 18:59:35,562 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 18:59:35,562 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 18:59:35,562 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 18:59:35,563 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 18:59:35,569 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:59:35" (1/1) ... [2019-12-07 18:59:35,569 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:59:35" (1/1) ... [2019-12-07 18:59:35,572 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:59:35" (1/1) ... [2019-12-07 18:59:35,573 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:59:35" (1/1) ... [2019-12-07 18:59:35,586 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:59:35" (1/1) ... [2019-12-07 18:59:35,593 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:59:35" (1/1) ... [2019-12-07 18:59:35,597 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:59:35" (1/1) ... [2019-12-07 18:59:35,603 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 18:59:35,603 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 18:59:35,603 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 18:59:35,603 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 18:59:35,604 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:59:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4d002596-f45e-45a8-bfc6-803c34ae6d25/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 18:59:35,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 18:59:35,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 18:59:36,257 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 18:59:36,257 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-07 18:59:36,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:59:36 BoogieIcfgContainer [2019-12-07 18:59:36,259 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 18:59:36,260 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 18:59:36,260 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 18:59:36,263 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 18:59:36,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 06:59:35" (1/3) ... [2019-12-07 18:59:36,264 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a17dcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 06:59:36, skipping insertion in model container [2019-12-07 18:59:36,264 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:59:35" (2/3) ... [2019-12-07 18:59:36,264 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a17dcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 06:59:36, skipping insertion in model container [2019-12-07 18:59:36,265 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:59:36" (3/3) ... [2019-12-07 18:59:36,266 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label26.c [2019-12-07 18:59:36,272 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 18:59:36,277 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 18:59:36,284 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 18:59:36,303 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 18:59:36,303 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 18:59:36,303 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 18:59:36,303 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 18:59:36,304 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 18:59:36,304 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 18:59:36,304 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 18:59:36,304 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 18:59:36,321 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2019-12-07 18:59:36,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-12-07 18:59:36,331 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:59:36,332 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:59:36,332 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:59:36,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:59:36,337 INFO L82 PathProgramCache]: Analyzing trace with hash 768814821, now seen corresponding path program 1 times [2019-12-07 18:59:36,343 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:59:36,343 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166151859] [2019-12-07 18:59:36,343 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:59:36,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:59:36,640 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 18:59:36,641 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166151859] [2019-12-07 18:59:36,642 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:59:36,642 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 18:59:36,643 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452926592] [2019-12-07 18:59:36,646 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 18:59:36,647 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:59:36,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 18:59:36,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 18:59:36,657 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 4 states. [2019-12-07 18:59:37,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:59:37,350 INFO L93 Difference]: Finished difference Result 739 states and 1311 transitions. [2019-12-07 18:59:37,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 18:59:37,351 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 136 [2019-12-07 18:59:37,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:59:37,363 INFO L225 Difference]: With dead ends: 739 [2019-12-07 18:59:37,363 INFO L226 Difference]: Without dead ends: 445 [2019-12-07 18:59:37,366 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 18:59:37,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2019-12-07 18:59:37,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 445. [2019-12-07 18:59:37,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 445 states. [2019-12-07 18:59:37,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 664 transitions. [2019-12-07 18:59:37,409 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 664 transitions. Word has length 136 [2019-12-07 18:59:37,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:59:37,410 INFO L462 AbstractCegarLoop]: Abstraction has 445 states and 664 transitions. [2019-12-07 18:59:37,410 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 18:59:37,410 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 664 transitions. [2019-12-07 18:59:37,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-12-07 18:59:37,415 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:59:37,416 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:59:37,416 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:59:37,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:59:37,416 INFO L82 PathProgramCache]: Analyzing trace with hash -90241050, now seen corresponding path program 1 times [2019-12-07 18:59:37,417 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:59:37,417 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408617241] [2019-12-07 18:59:37,417 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:59:37,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:59:37,499 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:59:37,499 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408617241] [2019-12-07 18:59:37,499 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:59:37,500 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 18:59:37,500 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053113229] [2019-12-07 18:59:37,501 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 18:59:37,501 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:59:37,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 18:59:37,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 18:59:37,502 INFO L87 Difference]: Start difference. First operand 445 states and 664 transitions. Second operand 4 states. [2019-12-07 18:59:37,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:59:37,981 INFO L93 Difference]: Finished difference Result 1470 states and 2193 transitions. [2019-12-07 18:59:37,982 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 18:59:37,982 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 154 [2019-12-07 18:59:37,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:59:37,986 INFO L225 Difference]: With dead ends: 1470 [2019-12-07 18:59:37,986 INFO L226 Difference]: Without dead ends: 1027 [2019-12-07 18:59:37,987 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 18:59:37,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1027 states. [2019-12-07 18:59:38,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1027 to 729. [2019-12-07 18:59:38,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 729 states. [2019-12-07 18:59:38,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 729 states and 1053 transitions. [2019-12-07 18:59:38,009 INFO L78 Accepts]: Start accepts. Automaton has 729 states and 1053 transitions. Word has length 154 [2019-12-07 18:59:38,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:59:38,009 INFO L462 AbstractCegarLoop]: Abstraction has 729 states and 1053 transitions. [2019-12-07 18:59:38,009 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 18:59:38,010 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 1053 transitions. [2019-12-07 18:59:38,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-12-07 18:59:38,011 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:59:38,012 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:59:38,012 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:59:38,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:59:38,012 INFO L82 PathProgramCache]: Analyzing trace with hash 1636593553, now seen corresponding path program 1 times [2019-12-07 18:59:38,012 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:59:38,012 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694400355] [2019-12-07 18:59:38,012 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:59:38,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:59:38,070 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:59:38,070 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694400355] [2019-12-07 18:59:38,071 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:59:38,071 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 18:59:38,071 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985175438] [2019-12-07 18:59:38,071 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 18:59:38,071 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:59:38,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 18:59:38,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 18:59:38,072 INFO L87 Difference]: Start difference. First operand 729 states and 1053 transitions. Second operand 4 states. [2019-12-07 18:59:38,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:59:38,641 INFO L93 Difference]: Finished difference Result 2582 states and 3716 transitions. [2019-12-07 18:59:38,641 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 18:59:38,641 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 158 [2019-12-07 18:59:38,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:59:38,651 INFO L225 Difference]: With dead ends: 2582 [2019-12-07 18:59:38,651 INFO L226 Difference]: Without dead ends: 1855 [2019-12-07 18:59:38,652 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 18:59:38,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1855 states. [2019-12-07 18:59:38,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1855 to 1570. [2019-12-07 18:59:38,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1570 states. [2019-12-07 18:59:38,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1570 states to 1570 states and 2141 transitions. [2019-12-07 18:59:38,691 INFO L78 Accepts]: Start accepts. Automaton has 1570 states and 2141 transitions. Word has length 158 [2019-12-07 18:59:38,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:59:38,691 INFO L462 AbstractCegarLoop]: Abstraction has 1570 states and 2141 transitions. [2019-12-07 18:59:38,692 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 18:59:38,692 INFO L276 IsEmpty]: Start isEmpty. Operand 1570 states and 2141 transitions. [2019-12-07 18:59:38,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-12-07 18:59:38,696 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:59:38,696 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:59:38,696 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:59:38,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:59:38,697 INFO L82 PathProgramCache]: Analyzing trace with hash 1768582300, now seen corresponding path program 1 times [2019-12-07 18:59:38,697 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:59:38,697 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598768294] [2019-12-07 18:59:38,697 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:59:38,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:59:38,751 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:59:38,751 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598768294] [2019-12-07 18:59:38,752 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:59:38,752 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 18:59:38,752 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934085711] [2019-12-07 18:59:38,752 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 18:59:38,753 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:59:38,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 18:59:38,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 18:59:38,753 INFO L87 Difference]: Start difference. First operand 1570 states and 2141 transitions. Second operand 3 states. [2019-12-07 18:59:39,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:59:39,141 INFO L93 Difference]: Finished difference Result 3840 states and 5193 transitions. [2019-12-07 18:59:39,141 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 18:59:39,141 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 158 [2019-12-07 18:59:39,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:59:39,149 INFO L225 Difference]: With dead ends: 3840 [2019-12-07 18:59:39,149 INFO L226 Difference]: Without dead ends: 2272 [2019-12-07 18:59:39,151 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 18:59:39,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2272 states. [2019-12-07 18:59:39,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2272 to 2272. [2019-12-07 18:59:39,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2272 states. [2019-12-07 18:59:39,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2272 states to 2272 states and 2838 transitions. [2019-12-07 18:59:39,188 INFO L78 Accepts]: Start accepts. Automaton has 2272 states and 2838 transitions. Word has length 158 [2019-12-07 18:59:39,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:59:39,188 INFO L462 AbstractCegarLoop]: Abstraction has 2272 states and 2838 transitions. [2019-12-07 18:59:39,188 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 18:59:39,188 INFO L276 IsEmpty]: Start isEmpty. Operand 2272 states and 2838 transitions. [2019-12-07 18:59:39,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2019-12-07 18:59:39,191 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:59:39,191 INFO L410 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:59:39,191 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:59:39,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:59:39,192 INFO L82 PathProgramCache]: Analyzing trace with hash 628642087, now seen corresponding path program 1 times [2019-12-07 18:59:39,192 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:59:39,192 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005539790] [2019-12-07 18:59:39,192 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:59:39,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:59:39,269 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-07 18:59:39,269 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005539790] [2019-12-07 18:59:39,269 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:59:39,269 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 18:59:39,270 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887481748] [2019-12-07 18:59:39,270 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 18:59:39,270 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:59:39,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 18:59:39,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 18:59:39,270 INFO L87 Difference]: Start difference. First operand 2272 states and 2838 transitions. Second operand 3 states. [2019-12-07 18:59:39,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:59:39,628 INFO L93 Difference]: Finished difference Result 5381 states and 6669 transitions. [2019-12-07 18:59:39,629 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 18:59:39,629 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 163 [2019-12-07 18:59:39,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:59:39,641 INFO L225 Difference]: With dead ends: 5381 [2019-12-07 18:59:39,642 INFO L226 Difference]: Without dead ends: 2546 [2019-12-07 18:59:39,645 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 18:59:39,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2546 states. [2019-12-07 18:59:39,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2546 to 2125. [2019-12-07 18:59:39,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2125 states. [2019-12-07 18:59:39,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2125 states to 2125 states and 2479 transitions. [2019-12-07 18:59:39,689 INFO L78 Accepts]: Start accepts. Automaton has 2125 states and 2479 transitions. Word has length 163 [2019-12-07 18:59:39,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:59:39,689 INFO L462 AbstractCegarLoop]: Abstraction has 2125 states and 2479 transitions. [2019-12-07 18:59:39,689 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 18:59:39,689 INFO L276 IsEmpty]: Start isEmpty. Operand 2125 states and 2479 transitions. [2019-12-07 18:59:39,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2019-12-07 18:59:39,693 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:59:39,693 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:59:39,693 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:59:39,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:59:39,693 INFO L82 PathProgramCache]: Analyzing trace with hash 984032927, now seen corresponding path program 1 times [2019-12-07 18:59:39,693 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:59:39,693 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795627278] [2019-12-07 18:59:39,694 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:59:39,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:59:39,745 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-07 18:59:39,746 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795627278] [2019-12-07 18:59:39,746 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:59:39,746 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 18:59:39,746 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060646459] [2019-12-07 18:59:39,746 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 18:59:39,747 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:59:39,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 18:59:39,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 18:59:39,747 INFO L87 Difference]: Start difference. First operand 2125 states and 2479 transitions. Second operand 4 states. [2019-12-07 18:59:40,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:59:40,117 INFO L93 Difference]: Finished difference Result 4388 states and 5107 transitions. [2019-12-07 18:59:40,117 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 18:59:40,118 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 174 [2019-12-07 18:59:40,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:59:40,126 INFO L225 Difference]: With dead ends: 4388 [2019-12-07 18:59:40,126 INFO L226 Difference]: Without dead ends: 1985 [2019-12-07 18:59:40,129 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 18:59:40,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1985 states. [2019-12-07 18:59:40,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1985 to 1705. [2019-12-07 18:59:40,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1705 states. [2019-12-07 18:59:40,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1705 states to 1705 states and 1937 transitions. [2019-12-07 18:59:40,164 INFO L78 Accepts]: Start accepts. Automaton has 1705 states and 1937 transitions. Word has length 174 [2019-12-07 18:59:40,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:59:40,164 INFO L462 AbstractCegarLoop]: Abstraction has 1705 states and 1937 transitions. [2019-12-07 18:59:40,165 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 18:59:40,165 INFO L276 IsEmpty]: Start isEmpty. Operand 1705 states and 1937 transitions. [2019-12-07 18:59:40,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2019-12-07 18:59:40,169 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:59:40,169 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:59:40,170 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:59:40,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:59:40,170 INFO L82 PathProgramCache]: Analyzing trace with hash -1962121537, now seen corresponding path program 1 times [2019-12-07 18:59:40,170 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:59:40,170 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914109740] [2019-12-07 18:59:40,171 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:59:40,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:59:40,227 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-07 18:59:40,228 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914109740] [2019-12-07 18:59:40,228 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:59:40,228 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 18:59:40,228 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073891868] [2019-12-07 18:59:40,229 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 18:59:40,229 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:59:40,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 18:59:40,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 18:59:40,229 INFO L87 Difference]: Start difference. First operand 1705 states and 1937 transitions. Second operand 3 states. [2019-12-07 18:59:40,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:59:40,481 INFO L93 Difference]: Finished difference Result 3411 states and 3863 transitions. [2019-12-07 18:59:40,481 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 18:59:40,481 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 187 [2019-12-07 18:59:40,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:59:40,487 INFO L225 Difference]: With dead ends: 3411 [2019-12-07 18:59:40,487 INFO L226 Difference]: Without dead ends: 1707 [2019-12-07 18:59:40,488 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 18:59:40,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1707 states. [2019-12-07 18:59:40,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1707 to 1703. [2019-12-07 18:59:40,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1703 states. [2019-12-07 18:59:40,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1703 states to 1703 states and 1867 transitions. [2019-12-07 18:59:40,509 INFO L78 Accepts]: Start accepts. Automaton has 1703 states and 1867 transitions. Word has length 187 [2019-12-07 18:59:40,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:59:40,509 INFO L462 AbstractCegarLoop]: Abstraction has 1703 states and 1867 transitions. [2019-12-07 18:59:40,509 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 18:59:40,509 INFO L276 IsEmpty]: Start isEmpty. Operand 1703 states and 1867 transitions. [2019-12-07 18:59:40,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2019-12-07 18:59:40,513 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:59:40,513 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-12-07 18:59:40,514 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:59:40,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:59:40,514 INFO L82 PathProgramCache]: Analyzing trace with hash -747241302, now seen corresponding path program 1 times [2019-12-07 18:59:40,514 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:59:40,514 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404005723] [2019-12-07 18:59:40,514 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:59:40,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:59:40,649 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 125 proven. 3 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2019-12-07 18:59:40,649 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404005723] [2019-12-07 18:59:40,649 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2021428217] [2019-12-07 18:59:40,649 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4d002596-f45e-45a8-bfc6-803c34ae6d25/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 18:59:40,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:59:40,729 INFO L264 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 18:59:40,743 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:59:40,836 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 220 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-12-07 18:59:40,836 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-12-07 18:59:40,836 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2019-12-07 18:59:40,837 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934874386] [2019-12-07 18:59:40,837 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 18:59:40,837 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:59:40,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 18:59:40,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-12-07 18:59:40,837 INFO L87 Difference]: Start difference. First operand 1703 states and 1867 transitions. Second operand 3 states. [2019-12-07 18:59:41,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:59:41,152 INFO L93 Difference]: Finished difference Result 3818 states and 4177 transitions. [2019-12-07 18:59:41,152 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 18:59:41,153 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 281 [2019-12-07 18:59:41,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:59:41,153 INFO L225 Difference]: With dead ends: 3818 [2019-12-07 18:59:41,153 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 18:59:41,155 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 280 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 18:59:41,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 18:59:41,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 18:59:41,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 18:59:41,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 18:59:41,155 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 281 [2019-12-07 18:59:41,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:59:41,155 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 18:59:41,155 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 18:59:41,155 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 18:59:41,156 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 18:59:41,356 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 18:59:41,358 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 18:59:41,527 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2019-12-07 18:59:41,659 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2019-12-07 18:59:41,662 INFO L246 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:59:41,662 INFO L246 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:59:41,662 INFO L246 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:59:41,662 INFO L246 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-12-07 18:59:41,662 INFO L246 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2019-12-07 18:59:41,662 INFO L246 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2019-12-07 18:59:41,662 INFO L246 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2019-12-07 18:59:41,662 INFO L246 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-12-07 18:59:41,662 INFO L246 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-12-07 18:59:41,662 INFO L246 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-12-07 18:59:41,662 INFO L246 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:59:41,662 INFO L246 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:59:41,662 INFO L246 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:59:41,663 INFO L246 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-12-07 18:59:41,663 INFO L246 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2019-12-07 18:59:41,663 INFO L246 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2019-12-07 18:59:41,663 INFO L246 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2019-12-07 18:59:41,663 INFO L246 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2019-12-07 18:59:41,663 INFO L246 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2019-12-07 18:59:41,663 INFO L246 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-12-07 18:59:41,663 INFO L246 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:59:41,663 INFO L246 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:59:41,663 INFO L246 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:59:41,663 INFO L246 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-12-07 18:59:41,663 INFO L246 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2019-12-07 18:59:41,663 INFO L246 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2019-12-07 18:59:41,663 INFO L246 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2019-12-07 18:59:41,663 INFO L246 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-12-07 18:59:41,663 INFO L246 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:59:41,663 INFO L246 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:59:41,663 INFO L246 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:59:41,663 INFO L246 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-12-07 18:59:41,664 INFO L246 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-12-07 18:59:41,664 INFO L246 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2019-12-07 18:59:41,664 INFO L246 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2019-12-07 18:59:41,664 INFO L246 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2019-12-07 18:59:41,664 INFO L246 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-12-07 18:59:41,664 INFO L246 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-12-07 18:59:41,664 INFO L246 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-12-07 18:59:41,664 INFO L246 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:59:41,664 INFO L246 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:59:41,664 INFO L246 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:59:41,664 INFO L246 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-12-07 18:59:41,664 INFO L246 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2019-12-07 18:59:41,664 INFO L246 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2019-12-07 18:59:41,664 INFO L246 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2019-12-07 18:59:41,664 INFO L246 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-12-07 18:59:41,664 INFO L246 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-12-07 18:59:41,664 INFO L246 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-12-07 18:59:41,665 INFO L246 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-12-07 18:59:41,665 INFO L246 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:59:41,665 INFO L246 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:59:41,665 INFO L246 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:59:41,665 INFO L246 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2019-12-07 18:59:41,665 INFO L246 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2019-12-07 18:59:41,665 INFO L246 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2019-12-07 18:59:41,665 INFO L246 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2019-12-07 18:59:41,665 INFO L246 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2019-12-07 18:59:41,665 INFO L246 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2019-12-07 18:59:41,665 INFO L246 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2019-12-07 18:59:41,665 INFO L246 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-12-07 18:59:41,665 INFO L246 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-12-07 18:59:41,665 INFO L246 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:59:41,665 INFO L246 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:59:41,665 INFO L246 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:59:41,665 INFO L246 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-12-07 18:59:41,665 INFO L246 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2019-12-07 18:59:41,666 INFO L246 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2019-12-07 18:59:41,666 INFO L246 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2019-12-07 18:59:41,666 INFO L246 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-12-07 18:59:41,666 INFO L246 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-12-07 18:59:41,666 INFO L246 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:59:41,666 INFO L246 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:59:41,666 INFO L246 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:59:41,666 INFO L246 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-12-07 18:59:41,666 INFO L246 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-12-07 18:59:41,666 INFO L246 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2019-12-07 18:59:41,666 INFO L246 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2019-12-07 18:59:41,666 INFO L246 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2019-12-07 18:59:41,666 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 18:59:41,666 INFO L246 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-12-07 18:59:41,666 INFO L246 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-12-07 18:59:41,666 INFO L246 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-12-07 18:59:41,666 INFO L246 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:59:41,666 INFO L246 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:59:41,666 INFO L246 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:59:41,667 INFO L246 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2019-12-07 18:59:41,667 INFO L246 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2019-12-07 18:59:41,667 INFO L246 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2019-12-07 18:59:41,667 INFO L246 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-12-07 18:59:41,667 INFO L246 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-12-07 18:59:41,667 INFO L246 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:59:41,667 INFO L246 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:59:41,667 INFO L246 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:59:41,667 INFO L246 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-12-07 18:59:41,667 INFO L246 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2019-12-07 18:59:41,667 INFO L246 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2019-12-07 18:59:41,667 INFO L246 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2019-12-07 18:59:41,667 INFO L246 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-12-07 18:59:41,667 INFO L246 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-12-07 18:59:41,667 INFO L246 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2019-12-07 18:59:41,667 INFO L246 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2019-12-07 18:59:41,667 INFO L246 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-12-07 18:59:41,667 INFO L246 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-12-07 18:59:41,667 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 18:59:41,668 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 580) no Hoare annotation was computed. [2019-12-07 18:59:41,668 INFO L246 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2019-12-07 18:59:41,668 INFO L246 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:59:41,668 INFO L246 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:59:41,668 INFO L246 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-12-07 18:59:41,668 INFO L246 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2019-12-07 18:59:41,668 INFO L246 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2019-12-07 18:59:41,668 INFO L246 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2019-12-07 18:59:41,668 INFO L246 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-12-07 18:59:41,668 INFO L246 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-12-07 18:59:41,668 INFO L246 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2019-12-07 18:59:41,668 INFO L246 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2019-12-07 18:59:41,668 INFO L246 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-12-07 18:59:41,668 INFO L242 CegarLoopResult]: At program point L597(lines 29 598) the Hoare annotation is: (let ((.cse5 (= ~a25~0 1))) (let ((.cse4 (not (= ~a28~0 11))) (.cse8 (not .cse5)) (.cse3 (= ~a19~0 1)) (.cse6 (= ~a11~0 1))) (let ((.cse1 (<= 10 ~a28~0)) (.cse2 (= ~a17~0 8)) (.cse0 (or (and .cse8 .cse6 .cse4) (and .cse8 .cse3 .cse6))) (.cse9 (= ~a28~0 9)) (.cse7 (<= ~a19~0 0))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse4) (and .cse1 .cse3 .cse5) (and .cse3 .cse6 .cse5) (and .cse7 .cse8 .cse2) (and .cse7 .cse2 .cse4) (and .cse9 .cse2 .cse6) (and .cse8 .cse2 .cse6 .cse4) (and .cse0 .cse7) (and .cse9 .cse7))))) [2019-12-07 18:59:41,668 INFO L246 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:59:41,669 INFO L246 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:59:41,669 INFO L246 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-12-07 18:59:41,669 INFO L246 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2019-12-07 18:59:41,669 INFO L246 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2019-12-07 18:59:41,669 INFO L246 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-12-07 18:59:41,669 INFO L246 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2019-12-07 18:59:41,669 INFO L246 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2019-12-07 18:59:41,669 INFO L249 CegarLoopResult]: At program point L600(lines 600 617) the Hoare annotation is: true [2019-12-07 18:59:41,669 INFO L246 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:59:41,669 INFO L246 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:59:41,669 INFO L246 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-12-07 18:59:41,669 INFO L246 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2019-12-07 18:59:41,669 INFO L246 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2019-12-07 18:59:41,669 INFO L246 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-12-07 18:59:41,669 INFO L246 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-12-07 18:59:41,669 INFO L246 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-12-07 18:59:41,669 INFO L246 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2019-12-07 18:59:41,669 INFO L246 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2019-12-07 18:59:41,669 INFO L246 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-12-07 18:59:41,669 INFO L246 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:59:41,670 INFO L246 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:59:41,670 INFO L246 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2019-12-07 18:59:41,670 INFO L246 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2019-12-07 18:59:41,670 INFO L246 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2019-12-07 18:59:41,670 INFO L246 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2019-12-07 18:59:41,670 INFO L246 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-12-07 18:59:41,670 INFO L246 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-12-07 18:59:41,670 INFO L242 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse5 (= ~a25~0 1))) (let ((.cse4 (not (= ~a28~0 11))) (.cse8 (not .cse5)) (.cse3 (= ~a19~0 1)) (.cse6 (= ~a11~0 1))) (let ((.cse1 (<= 10 ~a28~0)) (.cse2 (= ~a17~0 8)) (.cse0 (or (and .cse8 .cse6 .cse4) (and .cse8 .cse3 .cse6))) (.cse9 (= ~a28~0 9)) (.cse7 (<= ~a19~0 0))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse4) (and .cse1 .cse3 .cse5) (and .cse3 .cse6 .cse5) (and .cse7 .cse8 .cse2) (and .cse7 .cse2 .cse4) (and .cse9 .cse2 .cse6) (and .cse8 .cse2 .cse6 .cse4) (and .cse0 .cse7) (and .cse9 .cse7))))) [2019-12-07 18:59:41,670 INFO L246 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:59:41,670 INFO L246 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:59:41,670 INFO L246 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-12-07 18:59:41,670 INFO L246 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2019-12-07 18:59:41,670 INFO L246 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2019-12-07 18:59:41,670 INFO L246 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-12-07 18:59:41,670 INFO L246 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-12-07 18:59:41,670 INFO L246 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:59:41,670 INFO L246 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:59:41,671 INFO L246 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2019-12-07 18:59:41,671 INFO L246 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2019-12-07 18:59:41,671 INFO L246 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-12-07 18:59:41,671 INFO L246 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-12-07 18:59:41,671 INFO L246 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-12-07 18:59:41,671 INFO L246 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2019-12-07 18:59:41,671 INFO L246 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-12-07 18:59:41,671 INFO L246 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2019-12-07 18:59:41,671 INFO L246 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2019-12-07 18:59:41,671 INFO L246 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:59:41,671 INFO L246 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:59:41,671 INFO L246 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2019-12-07 18:59:41,671 INFO L246 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:59:41,671 INFO L246 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2019-12-07 18:59:41,671 INFO L246 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2019-12-07 18:59:41,671 INFO L246 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2019-12-07 18:59:41,671 INFO L246 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-12-07 18:59:41,671 INFO L246 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-12-07 18:59:41,671 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 18:59:41,671 INFO L246 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-12-07 18:59:41,672 INFO L246 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:59:41,672 INFO L246 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:59:41,672 INFO L246 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:59:41,672 INFO L246 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2019-12-07 18:59:41,672 INFO L246 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2019-12-07 18:59:41,672 INFO L246 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2019-12-07 18:59:41,672 INFO L246 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-12-07 18:59:41,672 INFO L246 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-12-07 18:59:41,672 INFO L246 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:59:41,672 INFO L246 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:59:41,672 INFO L246 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:59:41,672 INFO L246 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-12-07 18:59:41,672 INFO L246 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2019-12-07 18:59:41,672 INFO L246 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2019-12-07 18:59:41,672 INFO L246 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2019-12-07 18:59:41,672 INFO L246 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-12-07 18:59:41,672 INFO L246 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-12-07 18:59:41,672 INFO L246 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:59:41,672 INFO L246 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:59:41,672 INFO L246 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:59:41,673 INFO L246 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-12-07 18:59:41,673 INFO L246 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-12-07 18:59:41,673 INFO L246 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-12-07 18:59:41,673 INFO L246 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2019-12-07 18:59:41,673 INFO L246 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2019-12-07 18:59:41,673 INFO L246 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2019-12-07 18:59:41,673 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 18:59:41,673 INFO L246 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-12-07 18:59:41,673 INFO L246 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-12-07 18:59:41,673 INFO L246 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:59:41,673 INFO L246 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:59:41,673 INFO L246 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:59:41,673 INFO L246 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-12-07 18:59:41,673 INFO L246 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2019-12-07 18:59:41,673 INFO L246 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2019-12-07 18:59:41,673 INFO L246 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2019-12-07 18:59:41,673 INFO L246 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-12-07 18:59:41,673 INFO L246 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:59:41,673 INFO L246 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:59:41,673 INFO L246 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 18:59:41,673 INFO L246 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-12-07 18:59:41,674 INFO L246 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-12-07 18:59:41,674 INFO L246 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-12-07 18:59:41,674 INFO L246 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2019-12-07 18:59:41,674 INFO L246 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2019-12-07 18:59:41,674 INFO L246 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2019-12-07 18:59:41,674 INFO L246 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2019-12-07 18:59:41,674 INFO L246 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-12-07 18:59:41,674 INFO L246 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2019-12-07 18:59:41,674 INFO L246 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-12-07 18:59:41,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 06:59:41 BoogieIcfgContainer [2019-12-07 18:59:41,690 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 18:59:41,690 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 18:59:41,690 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 18:59:41,690 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 18:59:41,691 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:59:36" (3/4) ... [2019-12-07 18:59:41,693 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 18:59:41,707 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-12-07 18:59:41,708 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 18:59:41,809 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_4d002596-f45e-45a8-bfc6-803c34ae6d25/bin/uautomizer/witness.graphml [2019-12-07 18:59:41,809 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 18:59:41,810 INFO L168 Benchmark]: Toolchain (without parser) took 6642.09 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 245.9 MB). Free memory was 940.8 MB in the beginning and 995.1 MB in the end (delta: -54.3 MB). Peak memory consumption was 191.6 MB. Max. memory is 11.5 GB. [2019-12-07 18:59:41,811 INFO L168 Benchmark]: CDTParser took 0.25 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 18:59:41,811 INFO L168 Benchmark]: CACSL2BoogieTranslator took 339.68 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 940.8 MB in the beginning and 1.1 GB in the end (delta: -131.7 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. [2019-12-07 18:59:41,811 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.33 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 18:59:41,812 INFO L168 Benchmark]: Boogie Preprocessor took 40.55 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 18:59:41,812 INFO L168 Benchmark]: RCFGBuilder took 656.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 957.5 MB in the end (delta: 104.3 MB). Peak memory consumption was 104.3 MB. Max. memory is 11.5 GB. [2019-12-07 18:59:41,812 INFO L168 Benchmark]: TraceAbstraction took 5429.68 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 146.3 MB). Free memory was 952.1 MB in the beginning and 1.0 GB in the end (delta: -71.6 MB). Peak memory consumption was 74.6 MB. Max. memory is 11.5 GB. [2019-12-07 18:59:41,813 INFO L168 Benchmark]: Witness Printer took 119.34 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 995.1 MB in the end (delta: 28.6 MB). Peak memory consumption was 28.6 MB. Max. memory is 11.5 GB. [2019-12-07 18:59:41,814 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 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 339.68 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 940.8 MB in the beginning and 1.1 GB in the end (delta: -131.7 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 53.33 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 40.55 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 656.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 957.5 MB in the end (delta: 104.3 MB). Peak memory consumption was 104.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5429.68 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 146.3 MB). Free memory was 952.1 MB in the beginning and 1.0 GB in the end (delta: -71.6 MB). Peak memory consumption was 74.6 MB. Max. memory is 11.5 GB. * Witness Printer took 119.34 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 995.1 MB in the end (delta: 28.6 MB). Peak memory consumption was 28.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 580]: 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: ((((((((((((!(a25 == 1) && a11 == 1) && !(a28 == 11)) || ((!(a25 == 1) && a19 == 1) && a11 == 1)) && 10 <= a28) || ((a17 == 8 && a19 == 1) && !(a28 == 11))) || ((10 <= a28 && a19 == 1) && a25 == 1)) || ((a19 == 1 && a11 == 1) && a25 == 1)) || ((a19 <= 0 && !(a25 == 1)) && a17 == 8)) || ((a19 <= 0 && a17 == 8) && !(a28 == 11))) || ((a28 == 9 && a17 == 8) && a11 == 1)) || (((!(a25 == 1) && a17 == 8) && a11 == 1) && !(a28 == 11))) || ((((!(a25 == 1) && a11 == 1) && !(a28 == 11)) || ((!(a25 == 1) && a19 == 1) && a11 == 1)) && a19 <= 0)) || (a28 == 9 && a19 <= 0) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((((((((((((!(a25 == 1) && a11 == 1) && !(a28 == 11)) || ((!(a25 == 1) && a19 == 1) && a11 == 1)) && 10 <= a28) || ((a17 == 8 && a19 == 1) && !(a28 == 11))) || ((10 <= a28 && a19 == 1) && a25 == 1)) || ((a19 == 1 && a11 == 1) && a25 == 1)) || ((a19 <= 0 && !(a25 == 1)) && a17 == 8)) || ((a19 <= 0 && a17 == 8) && !(a28 == 11))) || ((a28 == 9 && a17 == 8) && a11 == 1)) || (((!(a25 == 1) && a17 == 8) && a11 == 1) && !(a28 == 11))) || ((((!(a25 == 1) && a11 == 1) && !(a28 == 11)) || ((!(a25 == 1) && a19 == 1) && a11 == 1)) && a19 <= 0)) || (a28 == 9 && a19 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 1 error locations. Result: SAFE, OverallTime: 5.0s, OverallIterations: 8, TraceHistogramMax: 5, AutomataDifference: 3.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 1152 SDtfs, 1525 SDslu, 214 SDs, 0 SdLazy, 4086 SolverSat, 774 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 311 GetRequests, 291 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2272occurred 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: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 1288 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 48 NumberOfFragments, 285 HoareAnnotationTreeSize, 3 FomulaSimplifications, 636 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 316 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 1692 NumberOfCodeBlocks, 1692 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1683 ConstructedInterpolants, 0 QuantifiedInterpolants, 626270 SizeOfPredicates, 1 NumberOfNonLiveVariables, 445 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 770/773 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...