./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label19.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_05aada5a-9e88-4fed-9be4-e870277b4b75/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_05aada5a-9e88-4fed-9be4-e870277b4b75/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_05aada5a-9e88-4fed-9be4-e870277b4b75/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_05aada5a-9e88-4fed-9be4-e870277b4b75/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label19.c -s /tmp/vcloud-vcloud-master/worker/run_dir_05aada5a-9e88-4fed-9be4-e870277b4b75/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_05aada5a-9e88-4fed-9be4-e870277b4b75/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 e94bad701dc31ef8837df5dc0d8bbaaa41b948fd ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 12:56:22,360 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 12:56:22,361 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 12:56:22,369 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 12:56:22,369 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 12:56:22,370 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 12:56:22,370 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 12:56:22,372 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 12:56:22,373 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 12:56:22,374 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 12:56:22,374 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 12:56:22,375 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 12:56:22,375 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 12:56:22,376 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 12:56:22,377 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 12:56:22,377 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 12:56:22,378 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 12:56:22,379 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 12:56:22,380 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 12:56:22,381 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 12:56:22,382 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 12:56:22,383 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 12:56:22,383 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 12:56:22,384 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 12:56:22,386 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 12:56:22,386 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 12:56:22,386 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 12:56:22,386 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 12:56:22,387 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 12:56:22,387 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 12:56:22,387 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 12:56:22,388 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 12:56:22,388 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 12:56:22,388 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 12:56:22,389 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 12:56:22,389 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 12:56:22,390 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 12:56:22,390 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 12:56:22,390 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 12:56:22,390 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 12:56:22,391 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 12:56:22,391 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_05aada5a-9e88-4fed-9be4-e870277b4b75/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 12:56:22,400 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 12:56:22,401 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 12:56:22,401 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 12:56:22,401 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 12:56:22,402 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 12:56:22,402 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 12:56:22,402 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 12:56:22,402 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 12:56:22,402 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 12:56:22,402 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 12:56:22,402 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 12:56:22,403 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 12:56:22,403 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 12:56:22,403 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 12:56:22,403 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 12:56:22,403 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 12:56:22,403 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 12:56:22,403 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 12:56:22,404 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 12:56:22,404 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 12:56:22,404 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 12:56:22,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 12:56:22,404 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 12:56:22,404 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 12:56:22,404 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 12:56:22,404 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 12:56:22,405 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 12:56:22,405 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 12:56:22,405 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 12:56:22,405 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_05aada5a-9e88-4fed-9be4-e870277b4b75/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 -> e94bad701dc31ef8837df5dc0d8bbaaa41b948fd [2019-12-07 12:56:22,504 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 12:56:22,512 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 12:56:22,514 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 12:56:22,515 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 12:56:22,515 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 12:56:22,515 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_05aada5a-9e88-4fed-9be4-e870277b4b75/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem02_label19.c [2019-12-07 12:56:22,554 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_05aada5a-9e88-4fed-9be4-e870277b4b75/bin/uautomizer/data/97bd2db08/123a3069f1cd4071a26c6a7e9e389f1c/FLAG2ac672019 [2019-12-07 12:56:23,004 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 12:56:23,004 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_05aada5a-9e88-4fed-9be4-e870277b4b75/sv-benchmarks/c/eca-rers2012/Problem02_label19.c [2019-12-07 12:56:23,014 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_05aada5a-9e88-4fed-9be4-e870277b4b75/bin/uautomizer/data/97bd2db08/123a3069f1cd4071a26c6a7e9e389f1c/FLAG2ac672019 [2019-12-07 12:56:23,024 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_05aada5a-9e88-4fed-9be4-e870277b4b75/bin/uautomizer/data/97bd2db08/123a3069f1cd4071a26c6a7e9e389f1c [2019-12-07 12:56:23,025 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 12:56:23,026 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 12:56:23,027 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 12:56:23,027 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 12:56:23,030 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 12:56:23,031 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:56:23" (1/1) ... [2019-12-07 12:56:23,033 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f56138a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:56:23, skipping insertion in model container [2019-12-07 12:56:23,033 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:56:23" (1/1) ... [2019-12-07 12:56:23,038 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 12:56:23,074 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 12:56:23,327 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:56:23,330 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 12:56:23,383 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:56:23,394 INFO L208 MainTranslator]: Completed translation [2019-12-07 12:56:23,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:56:23 WrapperNode [2019-12-07 12:56:23,394 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 12:56:23,395 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 12:56:23,395 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 12:56:23,395 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 12:56:23,401 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:56:23" (1/1) ... [2019-12-07 12:56:23,413 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:56:23" (1/1) ... [2019-12-07 12:56:23,445 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 12:56:23,445 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 12:56:23,445 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 12:56:23,445 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 12:56:23,452 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:56:23" (1/1) ... [2019-12-07 12:56:23,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:56:23" (1/1) ... [2019-12-07 12:56:23,455 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:56:23" (1/1) ... [2019-12-07 12:56:23,455 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:56:23" (1/1) ... [2019-12-07 12:56:23,469 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:56:23" (1/1) ... [2019-12-07 12:56:23,476 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:56:23" (1/1) ... [2019-12-07 12:56:23,481 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:56:23" (1/1) ... [2019-12-07 12:56:23,486 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 12:56:23,487 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 12:56:23,487 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 12:56:23,487 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 12:56:23,487 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:56:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_05aada5a-9e88-4fed-9be4-e870277b4b75/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 12:56:23,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 12:56:23,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 12:56:24,134 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 12:56:24,134 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-07 12:56:24,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:56:24 BoogieIcfgContainer [2019-12-07 12:56:24,135 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 12:56:24,136 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 12:56:24,136 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 12:56:24,138 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 12:56:24,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 12:56:23" (1/3) ... [2019-12-07 12:56:24,138 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f6c86b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:56:24, skipping insertion in model container [2019-12-07 12:56:24,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:56:23" (2/3) ... [2019-12-07 12:56:24,139 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f6c86b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:56:24, skipping insertion in model container [2019-12-07 12:56:24,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:56:24" (3/3) ... [2019-12-07 12:56:24,140 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label19.c [2019-12-07 12:56:24,146 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 12:56:24,152 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 12:56:24,160 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 12:56:24,178 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 12:56:24,178 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 12:56:24,178 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 12:56:24,179 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 12:56:24,179 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 12:56:24,179 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 12:56:24,179 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 12:56:24,179 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 12:56:24,194 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2019-12-07 12:56:24,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-12-07 12:56:24,201 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:56:24,202 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] [2019-12-07 12:56:24,202 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:56:24,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:56:24,206 INFO L82 PathProgramCache]: Analyzing trace with hash 1607169461, now seen corresponding path program 1 times [2019-12-07 12:56:24,213 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:56:24,213 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757958232] [2019-12-07 12:56:24,213 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:56:24,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:24,452 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 12:56:24,453 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757958232] [2019-12-07 12:56:24,453 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:56:24,454 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 12:56:24,455 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996550081] [2019-12-07 12:56:24,458 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 12:56:24,459 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:56:24,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 12:56:24,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 12:56:24,469 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 4 states. [2019-12-07 12:56:25,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:56:25,225 INFO L93 Difference]: Finished difference Result 789 states and 1377 transitions. [2019-12-07 12:56:25,226 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 12:56:25,227 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 92 [2019-12-07 12:56:25,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:56:25,240 INFO L225 Difference]: With dead ends: 789 [2019-12-07 12:56:25,240 INFO L226 Difference]: Without dead ends: 465 [2019-12-07 12:56:25,243 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 12:56:25,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2019-12-07 12:56:25,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 309. [2019-12-07 12:56:25,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 309 states. [2019-12-07 12:56:25,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 453 transitions. [2019-12-07 12:56:25,289 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 453 transitions. Word has length 92 [2019-12-07 12:56:25,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:56:25,290 INFO L462 AbstractCegarLoop]: Abstraction has 309 states and 453 transitions. [2019-12-07 12:56:25,290 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 12:56:25,290 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 453 transitions. [2019-12-07 12:56:25,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2019-12-07 12:56:25,294 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:56:25,294 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:56:25,295 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:56:25,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:56:25,295 INFO L82 PathProgramCache]: Analyzing trace with hash 1513780896, now seen corresponding path program 1 times [2019-12-07 12:56:25,296 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:56:25,296 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223818083] [2019-12-07 12:56:25,296 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:56:25,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:25,372 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:56:25,372 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223818083] [2019-12-07 12:56:25,372 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:56:25,372 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 12:56:25,372 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833412257] [2019-12-07 12:56:25,374 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 12:56:25,374 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:56:25,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 12:56:25,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 12:56:25,374 INFO L87 Difference]: Start difference. First operand 309 states and 453 transitions. Second operand 3 states. [2019-12-07 12:56:25,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:56:25,690 INFO L93 Difference]: Finished difference Result 899 states and 1323 transitions. [2019-12-07 12:56:25,690 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 12:56:25,690 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 96 [2019-12-07 12:56:25,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:56:25,695 INFO L225 Difference]: With dead ends: 899 [2019-12-07 12:56:25,695 INFO L226 Difference]: Without dead ends: 592 [2019-12-07 12:56:25,696 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 12:56:25,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2019-12-07 12:56:25,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 592. [2019-12-07 12:56:25,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2019-12-07 12:56:25,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 765 transitions. [2019-12-07 12:56:25,722 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 765 transitions. Word has length 96 [2019-12-07 12:56:25,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:56:25,722 INFO L462 AbstractCegarLoop]: Abstraction has 592 states and 765 transitions. [2019-12-07 12:56:25,723 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 12:56:25,723 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 765 transitions. [2019-12-07 12:56:25,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2019-12-07 12:56:25,726 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:56:25,726 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-12-07 12:56:25,727 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:56:25,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:56:25,727 INFO L82 PathProgramCache]: Analyzing trace with hash 308279990, now seen corresponding path program 1 times [2019-12-07 12:56:25,727 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:56:25,727 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735171180] [2019-12-07 12:56:25,728 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:56:25,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:25,790 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:56:25,790 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735171180] [2019-12-07 12:56:25,791 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:56:25,791 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 12:56:25,791 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207771446] [2019-12-07 12:56:25,791 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 12:56:25,791 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:56:25,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 12:56:25,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 12:56:25,792 INFO L87 Difference]: Start difference. First operand 592 states and 765 transitions. Second operand 4 states. [2019-12-07 12:56:26,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:56:26,390 INFO L93 Difference]: Finished difference Result 2169 states and 2837 transitions. [2019-12-07 12:56:26,391 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 12:56:26,391 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 101 [2019-12-07 12:56:26,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:56:26,397 INFO L225 Difference]: With dead ends: 2169 [2019-12-07 12:56:26,397 INFO L226 Difference]: Without dead ends: 1437 [2019-12-07 12:56:26,398 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 12:56:26,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1437 states. [2019-12-07 12:56:26,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1437 to 1150. [2019-12-07 12:56:26,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1150 states. [2019-12-07 12:56:26,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1150 states to 1150 states and 1467 transitions. [2019-12-07 12:56:26,421 INFO L78 Accepts]: Start accepts. Automaton has 1150 states and 1467 transitions. Word has length 101 [2019-12-07 12:56:26,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:56:26,421 INFO L462 AbstractCegarLoop]: Abstraction has 1150 states and 1467 transitions. [2019-12-07 12:56:26,422 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 12:56:26,422 INFO L276 IsEmpty]: Start isEmpty. Operand 1150 states and 1467 transitions. [2019-12-07 12:56:26,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2019-12-07 12:56:26,424 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:56:26,424 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:56:26,424 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:56:26,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:56:26,425 INFO L82 PathProgramCache]: Analyzing trace with hash 1263008387, now seen corresponding path program 1 times [2019-12-07 12:56:26,425 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:56:26,425 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729451250] [2019-12-07 12:56:26,425 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:56:26,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:26,459 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:56:26,459 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729451250] [2019-12-07 12:56:26,459 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:56:26,459 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 12:56:26,460 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909095179] [2019-12-07 12:56:26,460 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 12:56:26,460 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:56:26,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 12:56:26,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 12:56:26,460 INFO L87 Difference]: Start difference. First operand 1150 states and 1467 transitions. Second operand 3 states. [2019-12-07 12:56:26,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:56:26,800 INFO L93 Difference]: Finished difference Result 3278 states and 4207 transitions. [2019-12-07 12:56:26,800 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 12:56:26,800 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 109 [2019-12-07 12:56:26,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:56:26,808 INFO L225 Difference]: With dead ends: 3278 [2019-12-07 12:56:26,808 INFO L226 Difference]: Without dead ends: 2130 [2019-12-07 12:56:26,810 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 12:56:26,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2130 states. [2019-12-07 12:56:26,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2130 to 1850. [2019-12-07 12:56:26,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1850 states. [2019-12-07 12:56:26,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1850 states to 1850 states and 2333 transitions. [2019-12-07 12:56:26,844 INFO L78 Accepts]: Start accepts. Automaton has 1850 states and 2333 transitions. Word has length 109 [2019-12-07 12:56:26,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:56:26,844 INFO L462 AbstractCegarLoop]: Abstraction has 1850 states and 2333 transitions. [2019-12-07 12:56:26,845 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 12:56:26,845 INFO L276 IsEmpty]: Start isEmpty. Operand 1850 states and 2333 transitions. [2019-12-07 12:56:26,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-12-07 12:56:26,848 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:56:26,848 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-12-07 12:56:26,848 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:56:26,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:56:26,848 INFO L82 PathProgramCache]: Analyzing trace with hash 1854205693, now seen corresponding path program 1 times [2019-12-07 12:56:26,849 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:56:26,849 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731549466] [2019-12-07 12:56:26,849 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:56:26,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:26,922 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:56:26,922 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731549466] [2019-12-07 12:56:26,923 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:56:26,923 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 12:56:26,923 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935928923] [2019-12-07 12:56:26,923 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 12:56:26,924 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:56:26,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 12:56:26,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 12:56:26,924 INFO L87 Difference]: Start difference. First operand 1850 states and 2333 transitions. Second operand 4 states. [2019-12-07 12:56:27,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:56:27,437 INFO L93 Difference]: Finished difference Result 3984 states and 4981 transitions. [2019-12-07 12:56:27,437 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 12:56:27,437 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 150 [2019-12-07 12:56:27,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:56:27,448 INFO L225 Difference]: With dead ends: 3984 [2019-12-07 12:56:27,448 INFO L226 Difference]: Without dead ends: 2136 [2019-12-07 12:56:27,450 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 12:56:27,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2136 states. [2019-12-07 12:56:27,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2136 to 2131. [2019-12-07 12:56:27,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2131 states. [2019-12-07 12:56:27,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2131 states to 2131 states and 2423 transitions. [2019-12-07 12:56:27,493 INFO L78 Accepts]: Start accepts. Automaton has 2131 states and 2423 transitions. Word has length 150 [2019-12-07 12:56:27,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:56:27,494 INFO L462 AbstractCegarLoop]: Abstraction has 2131 states and 2423 transitions. [2019-12-07 12:56:27,494 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 12:56:27,494 INFO L276 IsEmpty]: Start isEmpty. Operand 2131 states and 2423 transitions. [2019-12-07 12:56:27,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-12-07 12:56:27,498 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:56:27,499 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-12-07 12:56:27,499 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:56:27,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:56:27,499 INFO L82 PathProgramCache]: Analyzing trace with hash -2077294402, now seen corresponding path program 1 times [2019-12-07 12:56:27,499 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:56:27,500 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532893082] [2019-12-07 12:56:27,500 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:56:27,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:27,567 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:56:27,568 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532893082] [2019-12-07 12:56:27,568 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:56:27,568 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 12:56:27,568 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694701745] [2019-12-07 12:56:27,568 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 12:56:27,568 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:56:27,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 12:56:27,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 12:56:27,569 INFO L87 Difference]: Start difference. First operand 2131 states and 2423 transitions. Second operand 3 states. [2019-12-07 12:56:27,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:56:27,887 INFO L93 Difference]: Finished difference Result 4266 states and 4853 transitions. [2019-12-07 12:56:27,887 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 12:56:27,887 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 159 [2019-12-07 12:56:27,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:56:27,894 INFO L225 Difference]: With dead ends: 4266 [2019-12-07 12:56:27,894 INFO L226 Difference]: Without dead ends: 2137 [2019-12-07 12:56:27,896 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 12:56:27,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2137 states. [2019-12-07 12:56:27,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2137 to 2131. [2019-12-07 12:56:27,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2131 states. [2019-12-07 12:56:27,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2131 states to 2131 states and 2379 transitions. [2019-12-07 12:56:27,924 INFO L78 Accepts]: Start accepts. Automaton has 2131 states and 2379 transitions. Word has length 159 [2019-12-07 12:56:27,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:56:27,924 INFO L462 AbstractCegarLoop]: Abstraction has 2131 states and 2379 transitions. [2019-12-07 12:56:27,924 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 12:56:27,925 INFO L276 IsEmpty]: Start isEmpty. Operand 2131 states and 2379 transitions. [2019-12-07 12:56:27,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2019-12-07 12:56:27,927 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:56:27,928 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:56:27,928 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:56:27,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:56:27,928 INFO L82 PathProgramCache]: Analyzing trace with hash -1420578269, now seen corresponding path program 1 times [2019-12-07 12:56:27,928 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:56:27,928 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774208448] [2019-12-07 12:56:27,928 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:56:27,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:27,975 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-12-07 12:56:27,975 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774208448] [2019-12-07 12:56:27,976 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:56:27,976 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 12:56:27,976 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570646854] [2019-12-07 12:56:27,976 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 12:56:27,977 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:56:27,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 12:56:27,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 12:56:27,977 INFO L87 Difference]: Start difference. First operand 2131 states and 2379 transitions. Second operand 4 states. [2019-12-07 12:56:28,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:56:28,341 INFO L93 Difference]: Finished difference Result 4258 states and 4754 transitions. [2019-12-07 12:56:28,341 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 12:56:28,341 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 161 [2019-12-07 12:56:28,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:56:28,351 INFO L225 Difference]: With dead ends: 4258 [2019-12-07 12:56:28,351 INFO L226 Difference]: Without dead ends: 2129 [2019-12-07 12:56:28,353 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 12:56:28,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2129 states. [2019-12-07 12:56:28,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2129 to 2129. [2019-12-07 12:56:28,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2129 states. [2019-12-07 12:56:28,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2129 states to 2129 states and 2307 transitions. [2019-12-07 12:56:28,380 INFO L78 Accepts]: Start accepts. Automaton has 2129 states and 2307 transitions. Word has length 161 [2019-12-07 12:56:28,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:56:28,380 INFO L462 AbstractCegarLoop]: Abstraction has 2129 states and 2307 transitions. [2019-12-07 12:56:28,380 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 12:56:28,380 INFO L276 IsEmpty]: Start isEmpty. Operand 2129 states and 2307 transitions. [2019-12-07 12:56:28,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2019-12-07 12:56:28,383 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:56:28,384 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:56:28,384 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:56:28,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:56:28,384 INFO L82 PathProgramCache]: Analyzing trace with hash 72359917, now seen corresponding path program 1 times [2019-12-07 12:56:28,384 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:56:28,384 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549094951] [2019-12-07 12:56:28,384 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:56:28,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:28,416 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2019-12-07 12:56:28,417 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549094951] [2019-12-07 12:56:28,417 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:56:28,417 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 12:56:28,417 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028674936] [2019-12-07 12:56:28,417 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 12:56:28,418 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:56:28,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 12:56:28,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 12:56:28,418 INFO L87 Difference]: Start difference. First operand 2129 states and 2307 transitions. Second operand 3 states. [2019-12-07 12:56:28,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:56:28,704 INFO L93 Difference]: Finished difference Result 4538 states and 4924 transitions. [2019-12-07 12:56:28,704 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 12:56:28,704 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 170 [2019-12-07 12:56:28,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:56:28,713 INFO L225 Difference]: With dead ends: 4538 [2019-12-07 12:56:28,713 INFO L226 Difference]: Without dead ends: 2270 [2019-12-07 12:56:28,715 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 12:56:28,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2270 states. [2019-12-07 12:56:28,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2270 to 2268. [2019-12-07 12:56:28,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2268 states. [2019-12-07 12:56:28,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2268 states to 2268 states and 2449 transitions. [2019-12-07 12:56:28,750 INFO L78 Accepts]: Start accepts. Automaton has 2268 states and 2449 transitions. Word has length 170 [2019-12-07 12:56:28,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:56:28,751 INFO L462 AbstractCegarLoop]: Abstraction has 2268 states and 2449 transitions. [2019-12-07 12:56:28,751 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 12:56:28,751 INFO L276 IsEmpty]: Start isEmpty. Operand 2268 states and 2449 transitions. [2019-12-07 12:56:28,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2019-12-07 12:56:28,756 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:56:28,756 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-12-07 12:56:28,756 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:56:28,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:56:28,756 INFO L82 PathProgramCache]: Analyzing trace with hash -648360830, now seen corresponding path program 1 times [2019-12-07 12:56:28,757 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:56:28,757 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781718705] [2019-12-07 12:56:28,757 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:56:28,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:28,831 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-07 12:56:28,831 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781718705] [2019-12-07 12:56:28,832 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:56:28,832 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 12:56:28,832 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179155677] [2019-12-07 12:56:28,832 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 12:56:28,833 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:56:28,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 12:56:28,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 12:56:28,833 INFO L87 Difference]: Start difference. First operand 2268 states and 2449 transitions. Second operand 4 states. [2019-12-07 12:56:29,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:56:29,346 INFO L93 Difference]: Finished difference Result 5239 states and 5687 transitions. [2019-12-07 12:56:29,346 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 12:56:29,346 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 171 [2019-12-07 12:56:29,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:56:29,355 INFO L225 Difference]: With dead ends: 5239 [2019-12-07 12:56:29,355 INFO L226 Difference]: Without dead ends: 2973 [2019-12-07 12:56:29,357 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 12:56:29,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2973 states. [2019-12-07 12:56:29,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2973 to 2689. [2019-12-07 12:56:29,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2689 states. [2019-12-07 12:56:29,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2689 states to 2689 states and 2886 transitions. [2019-12-07 12:56:29,387 INFO L78 Accepts]: Start accepts. Automaton has 2689 states and 2886 transitions. Word has length 171 [2019-12-07 12:56:29,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:56:29,387 INFO L462 AbstractCegarLoop]: Abstraction has 2689 states and 2886 transitions. [2019-12-07 12:56:29,387 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 12:56:29,387 INFO L276 IsEmpty]: Start isEmpty. Operand 2689 states and 2886 transitions. [2019-12-07 12:56:29,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2019-12-07 12:56:29,391 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:56:29,391 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-12-07 12:56:29,391 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:56:29,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:56:29,391 INFO L82 PathProgramCache]: Analyzing trace with hash 1613967385, now seen corresponding path program 1 times [2019-12-07 12:56:29,392 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:56:29,392 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365371517] [2019-12-07 12:56:29,392 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:56:29,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:29,452 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 159 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:56:29,452 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365371517] [2019-12-07 12:56:29,452 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:56:29,452 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 12:56:29,453 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829665305] [2019-12-07 12:56:29,453 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 12:56:29,453 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:56:29,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 12:56:29,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 12:56:29,453 INFO L87 Difference]: Start difference. First operand 2689 states and 2886 transitions. Second operand 4 states. [2019-12-07 12:56:29,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:56:29,918 INFO L93 Difference]: Finished difference Result 5658 states and 6067 transitions. [2019-12-07 12:56:29,918 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 12:56:29,919 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 194 [2019-12-07 12:56:29,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:56:29,929 INFO L225 Difference]: With dead ends: 5658 [2019-12-07 12:56:29,929 INFO L226 Difference]: Without dead ends: 2550 [2019-12-07 12:56:29,932 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 12:56:29,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2550 states. [2019-12-07 12:56:29,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2550 to 2406. [2019-12-07 12:56:29,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2406 states. [2019-12-07 12:56:29,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2406 states to 2406 states and 2525 transitions. [2019-12-07 12:56:29,957 INFO L78 Accepts]: Start accepts. Automaton has 2406 states and 2525 transitions. Word has length 194 [2019-12-07 12:56:29,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:56:29,957 INFO L462 AbstractCegarLoop]: Abstraction has 2406 states and 2525 transitions. [2019-12-07 12:56:29,957 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 12:56:29,957 INFO L276 IsEmpty]: Start isEmpty. Operand 2406 states and 2525 transitions. [2019-12-07 12:56:29,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2019-12-07 12:56:29,960 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:56:29,960 INFO L410 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:56:29,961 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:56:29,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:56:29,961 INFO L82 PathProgramCache]: Analyzing trace with hash -1509674929, now seen corresponding path program 1 times [2019-12-07 12:56:29,961 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:56:29,961 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790742120] [2019-12-07 12:56:29,961 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:56:29,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:30,022 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 106 proven. 8 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2019-12-07 12:56:30,022 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790742120] [2019-12-07 12:56:30,022 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [830951642] [2019-12-07 12:56:30,023 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_05aada5a-9e88-4fed-9be4-e870277b4b75/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 12:56:30,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:30,094 INFO L264 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 12:56:30,104 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:56:30,157 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2019-12-07 12:56:30,157 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-12-07 12:56:30,158 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2019-12-07 12:56:30,158 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167856182] [2019-12-07 12:56:30,158 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 12:56:30,159 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:56:30,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 12:56:30,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-12-07 12:56:30,159 INFO L87 Difference]: Start difference. First operand 2406 states and 2525 transitions. Second operand 3 states. [2019-12-07 12:56:30,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:56:30,313 INFO L93 Difference]: Finished difference Result 4380 states and 4595 transitions. [2019-12-07 12:56:30,313 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 12:56:30,313 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 201 [2019-12-07 12:56:30,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:56:30,316 INFO L225 Difference]: With dead ends: 4380 [2019-12-07 12:56:30,316 INFO L226 Difference]: Without dead ends: 992 [2019-12-07 12:56:30,318 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 200 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-12-07 12:56:30,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 992 states. [2019-12-07 12:56:30,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 992 to 992. [2019-12-07 12:56:30,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 992 states. [2019-12-07 12:56:30,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 992 states and 1026 transitions. [2019-12-07 12:56:30,332 INFO L78 Accepts]: Start accepts. Automaton has 992 states and 1026 transitions. Word has length 201 [2019-12-07 12:56:30,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:56:30,332 INFO L462 AbstractCegarLoop]: Abstraction has 992 states and 1026 transitions. [2019-12-07 12:56:30,332 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 12:56:30,332 INFO L276 IsEmpty]: Start isEmpty. Operand 992 states and 1026 transitions. [2019-12-07 12:56:30,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2019-12-07 12:56:30,334 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:56:30,334 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 12:56:30,535 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 12:56:30,535 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:56:30,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:56:30,535 INFO L82 PathProgramCache]: Analyzing trace with hash 2063084960, now seen corresponding path program 1 times [2019-12-07 12:56:30,535 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:56:30,536 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097458288] [2019-12-07 12:56:30,536 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:56:30,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:56:30,643 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2019-12-07 12:56:30,643 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097458288] [2019-12-07 12:56:30,643 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:56:30,643 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 12:56:30,644 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245121012] [2019-12-07 12:56:30,644 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 12:56:30,644 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:56:30,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 12:56:30,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 12:56:30,644 INFO L87 Difference]: Start difference. First operand 992 states and 1026 transitions. Second operand 4 states. [2019-12-07 12:56:30,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:56:30,762 INFO L93 Difference]: Finished difference Result 1839 states and 1907 transitions. [2019-12-07 12:56:30,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 12:56:30,763 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 240 [2019-12-07 12:56:30,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:56:30,763 INFO L225 Difference]: With dead ends: 1839 [2019-12-07 12:56:30,763 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 12:56:30,764 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 12:56:30,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 12:56:30,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 12:56:30,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 12:56:30,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 12:56:30,764 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 240 [2019-12-07 12:56:30,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:56:30,765 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 12:56:30,765 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 12:56:30,765 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 12:56:30,765 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 12:56:30,766 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 12:56:31,011 WARN L192 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2019-12-07 12:56:31,209 WARN L192 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2019-12-07 12:56:31,212 INFO L246 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:56:31,212 INFO L246 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:56:31,212 INFO L246 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:56:31,212 INFO L246 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-12-07 12:56:31,212 INFO L246 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2019-12-07 12:56:31,212 INFO L246 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2019-12-07 12:56:31,212 INFO L246 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2019-12-07 12:56:31,212 INFO L246 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-12-07 12:56:31,212 INFO L246 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-12-07 12:56:31,212 INFO L246 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-12-07 12:56:31,212 INFO L246 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:56:31,212 INFO L246 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:56:31,212 INFO L246 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:56:31,212 INFO L246 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-12-07 12:56:31,212 INFO L246 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2019-12-07 12:56:31,213 INFO L246 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2019-12-07 12:56:31,213 INFO L246 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2019-12-07 12:56:31,213 INFO L246 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2019-12-07 12:56:31,213 INFO L246 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2019-12-07 12:56:31,213 INFO L246 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-12-07 12:56:31,213 INFO L246 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:56:31,213 INFO L246 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:56:31,213 INFO L246 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:56:31,213 INFO L246 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-12-07 12:56:31,213 INFO L246 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2019-12-07 12:56:31,213 INFO L246 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2019-12-07 12:56:31,213 INFO L246 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2019-12-07 12:56:31,213 INFO L246 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-12-07 12:56:31,213 INFO L246 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:56:31,213 INFO L246 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:56:31,213 INFO L246 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:56:31,213 INFO L246 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-12-07 12:56:31,213 INFO L246 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-12-07 12:56:31,213 INFO L246 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2019-12-07 12:56:31,214 INFO L246 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2019-12-07 12:56:31,214 INFO L246 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2019-12-07 12:56:31,214 INFO L246 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-12-07 12:56:31,214 INFO L246 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-12-07 12:56:31,214 INFO L246 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-12-07 12:56:31,214 INFO L246 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:56:31,214 INFO L246 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:56:31,214 INFO L246 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:56:31,214 INFO L246 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-12-07 12:56:31,214 INFO L246 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2019-12-07 12:56:31,214 INFO L246 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2019-12-07 12:56:31,214 INFO L246 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2019-12-07 12:56:31,214 INFO L246 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-12-07 12:56:31,214 INFO L246 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-12-07 12:56:31,214 INFO L246 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-12-07 12:56:31,214 INFO L246 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-12-07 12:56:31,214 INFO L246 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:56:31,214 INFO L246 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:56:31,214 INFO L246 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:56:31,214 INFO L246 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2019-12-07 12:56:31,214 INFO L246 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2019-12-07 12:56:31,215 INFO L246 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2019-12-07 12:56:31,215 INFO L246 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2019-12-07 12:56:31,215 INFO L246 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2019-12-07 12:56:31,215 INFO L246 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2019-12-07 12:56:31,215 INFO L246 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2019-12-07 12:56:31,215 INFO L246 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-12-07 12:56:31,215 INFO L246 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-12-07 12:56:31,215 INFO L246 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:56:31,215 INFO L246 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:56:31,215 INFO L246 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:56:31,215 INFO L246 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-12-07 12:56:31,215 INFO L246 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2019-12-07 12:56:31,215 INFO L246 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2019-12-07 12:56:31,215 INFO L246 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2019-12-07 12:56:31,215 INFO L246 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-12-07 12:56:31,215 INFO L246 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-12-07 12:56:31,215 INFO L246 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:56:31,215 INFO L246 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:56:31,215 INFO L246 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:56:31,215 INFO L246 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-12-07 12:56:31,215 INFO L246 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-12-07 12:56:31,216 INFO L246 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2019-12-07 12:56:31,216 INFO L246 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2019-12-07 12:56:31,216 INFO L246 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2019-12-07 12:56:31,216 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 12:56:31,216 INFO L246 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-12-07 12:56:31,216 INFO L246 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-12-07 12:56:31,216 INFO L246 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-12-07 12:56:31,216 INFO L246 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:56:31,216 INFO L246 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:56:31,216 INFO L246 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:56:31,216 INFO L246 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2019-12-07 12:56:31,216 INFO L246 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2019-12-07 12:56:31,216 INFO L246 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2019-12-07 12:56:31,216 INFO L246 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-12-07 12:56:31,216 INFO L246 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-12-07 12:56:31,216 INFO L246 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:56:31,216 INFO L246 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:56:31,216 INFO L246 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:56:31,216 INFO L246 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-12-07 12:56:31,216 INFO L246 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2019-12-07 12:56:31,217 INFO L246 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2019-12-07 12:56:31,217 INFO L246 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2019-12-07 12:56:31,217 INFO L246 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-12-07 12:56:31,217 INFO L246 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-12-07 12:56:31,217 INFO L246 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2019-12-07 12:56:31,217 INFO L246 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2019-12-07 12:56:31,217 INFO L246 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-12-07 12:56:31,217 INFO L246 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-12-07 12:56:31,217 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 12:56:31,217 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 448) no Hoare annotation was computed. [2019-12-07 12:56:31,217 INFO L246 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2019-12-07 12:56:31,217 INFO L246 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:56:31,217 INFO L246 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:56:31,217 INFO L246 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-12-07 12:56:31,217 INFO L246 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2019-12-07 12:56:31,217 INFO L246 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2019-12-07 12:56:31,217 INFO L246 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2019-12-07 12:56:31,217 INFO L246 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-12-07 12:56:31,217 INFO L246 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-12-07 12:56:31,218 INFO L246 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2019-12-07 12:56:31,218 INFO L246 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2019-12-07 12:56:31,218 INFO L246 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-12-07 12:56:31,218 INFO L242 CegarLoopResult]: At program point L597(lines 29 598) the Hoare annotation is: (let ((.cse5 (= ~a25~0 1))) (let ((.cse0 (= ~a11~0 1)) (.cse8 (= ~a17~0 8)) (.cse2 (= ~a28~0 7)) (.cse10 (<= 10 ~a28~0)) (.cse7 (not .cse5)) (.cse3 (= ~a19~0 1)) (.cse9 (not (= ~a28~0 11))) (.cse6 (= ~a28~0 10)) (.cse4 (<= ~a11~0 0)) (.cse1 (<= ~a17~0 8))) (or (and (= ~a28~0 9) .cse0 .cse1) (and .cse2 .cse0 .cse1) (and (not .cse2) .cse3 .cse4 .cse5 .cse1) (and .cse6 .cse0) (and .cse6 .cse3 .cse4) (and .cse7 .cse8 .cse4 .cse9) (and .cse10 .cse7 .cse0) (and .cse8 .cse4 .cse2) (and .cse10 .cse7 .cse3 .cse4 .cse9) (and .cse6 .cse4 .cse5 .cse1)))) [2019-12-07 12:56:31,218 INFO L246 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:56:31,218 INFO L246 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:56:31,218 INFO L246 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-12-07 12:56:31,218 INFO L246 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2019-12-07 12:56:31,218 INFO L246 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2019-12-07 12:56:31,218 INFO L246 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-12-07 12:56:31,218 INFO L246 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2019-12-07 12:56:31,218 INFO L246 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2019-12-07 12:56:31,218 INFO L249 CegarLoopResult]: At program point L600(lines 600 617) the Hoare annotation is: true [2019-12-07 12:56:31,218 INFO L246 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:56:31,219 INFO L246 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:56:31,219 INFO L246 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-12-07 12:56:31,219 INFO L246 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2019-12-07 12:56:31,219 INFO L246 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2019-12-07 12:56:31,219 INFO L246 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-12-07 12:56:31,219 INFO L246 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-12-07 12:56:31,219 INFO L246 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-12-07 12:56:31,219 INFO L246 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2019-12-07 12:56:31,219 INFO L246 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2019-12-07 12:56:31,219 INFO L246 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-12-07 12:56:31,219 INFO L246 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:56:31,219 INFO L246 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:56:31,219 INFO L246 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2019-12-07 12:56:31,219 INFO L246 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2019-12-07 12:56:31,219 INFO L246 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2019-12-07 12:56:31,219 INFO L246 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2019-12-07 12:56:31,219 INFO L246 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-12-07 12:56:31,219 INFO L246 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-12-07 12:56:31,220 INFO L242 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse5 (= ~a25~0 1))) (let ((.cse0 (= ~a11~0 1)) (.cse8 (= ~a17~0 8)) (.cse2 (= ~a28~0 7)) (.cse10 (<= 10 ~a28~0)) (.cse7 (not .cse5)) (.cse3 (= ~a19~0 1)) (.cse9 (not (= ~a28~0 11))) (.cse6 (= ~a28~0 10)) (.cse4 (<= ~a11~0 0)) (.cse1 (<= ~a17~0 8))) (or (and (= ~a28~0 9) .cse0 .cse1) (and .cse2 .cse0 .cse1) (and (not .cse2) .cse3 .cse4 .cse5 .cse1) (and .cse6 .cse0) (and .cse6 .cse3 .cse4) (and .cse7 .cse8 .cse4 .cse9) (and .cse10 .cse7 .cse0) (and .cse8 .cse4 .cse2) (and .cse10 .cse7 .cse3 .cse4 .cse9) (and .cse6 .cse4 .cse5 .cse1)))) [2019-12-07 12:56:31,220 INFO L246 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:56:31,220 INFO L246 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:56:31,220 INFO L246 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-12-07 12:56:31,220 INFO L246 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2019-12-07 12:56:31,220 INFO L246 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2019-12-07 12:56:31,220 INFO L246 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-12-07 12:56:31,220 INFO L246 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-12-07 12:56:31,220 INFO L246 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:56:31,220 INFO L246 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:56:31,220 INFO L246 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2019-12-07 12:56:31,220 INFO L246 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2019-12-07 12:56:31,220 INFO L246 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-12-07 12:56:31,220 INFO L246 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-12-07 12:56:31,220 INFO L246 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-12-07 12:56:31,220 INFO L246 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2019-12-07 12:56:31,220 INFO L246 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-12-07 12:56:31,220 INFO L246 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2019-12-07 12:56:31,220 INFO L246 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2019-12-07 12:56:31,220 INFO L246 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:56:31,220 INFO L246 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:56:31,221 INFO L246 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2019-12-07 12:56:31,221 INFO L246 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:56:31,221 INFO L246 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2019-12-07 12:56:31,221 INFO L246 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2019-12-07 12:56:31,221 INFO L246 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2019-12-07 12:56:31,221 INFO L246 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-12-07 12:56:31,221 INFO L246 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-12-07 12:56:31,221 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 12:56:31,221 INFO L246 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-12-07 12:56:31,221 INFO L246 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:56:31,221 INFO L246 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:56:31,221 INFO L246 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:56:31,221 INFO L246 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2019-12-07 12:56:31,221 INFO L246 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2019-12-07 12:56:31,221 INFO L246 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2019-12-07 12:56:31,221 INFO L246 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-12-07 12:56:31,221 INFO L246 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-12-07 12:56:31,221 INFO L246 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:56:31,221 INFO L246 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:56:31,221 INFO L246 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:56:31,222 INFO L246 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-12-07 12:56:31,222 INFO L246 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2019-12-07 12:56:31,222 INFO L246 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2019-12-07 12:56:31,222 INFO L246 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2019-12-07 12:56:31,222 INFO L246 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-12-07 12:56:31,222 INFO L246 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-12-07 12:56:31,222 INFO L246 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:56:31,222 INFO L246 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:56:31,222 INFO L246 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:56:31,222 INFO L246 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-12-07 12:56:31,222 INFO L246 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-12-07 12:56:31,222 INFO L246 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-12-07 12:56:31,222 INFO L246 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2019-12-07 12:56:31,222 INFO L246 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2019-12-07 12:56:31,222 INFO L246 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2019-12-07 12:56:31,222 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 12:56:31,222 INFO L246 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-12-07 12:56:31,222 INFO L246 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-12-07 12:56:31,222 INFO L246 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:56:31,222 INFO L246 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:56:31,222 INFO L246 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:56:31,223 INFO L246 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-12-07 12:56:31,223 INFO L246 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2019-12-07 12:56:31,223 INFO L246 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2019-12-07 12:56:31,223 INFO L246 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2019-12-07 12:56:31,223 INFO L246 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-12-07 12:56:31,223 INFO L246 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:56:31,223 INFO L246 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:56:31,223 INFO L246 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:56:31,223 INFO L246 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-12-07 12:56:31,223 INFO L246 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-12-07 12:56:31,223 INFO L246 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-12-07 12:56:31,223 INFO L246 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2019-12-07 12:56:31,223 INFO L246 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2019-12-07 12:56:31,223 INFO L246 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2019-12-07 12:56:31,223 INFO L246 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2019-12-07 12:56:31,223 INFO L246 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-12-07 12:56:31,223 INFO L246 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2019-12-07 12:56:31,223 INFO L246 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-12-07 12:56:31,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 12:56:31 BoogieIcfgContainer [2019-12-07 12:56:31,238 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 12:56:31,238 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 12:56:31,238 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 12:56:31,238 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 12:56:31,239 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:56:24" (3/4) ... [2019-12-07 12:56:31,241 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 12:56:31,254 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-12-07 12:56:31,255 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 12:56:31,338 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_05aada5a-9e88-4fed-9be4-e870277b4b75/bin/uautomizer/witness.graphml [2019-12-07 12:56:31,338 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 12:56:31,339 INFO L168 Benchmark]: Toolchain (without parser) took 8312.96 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 315.1 MB). Free memory was 934.0 MB in the beginning and 942.1 MB in the end (delta: -8.1 MB). Peak memory consumption was 307.0 MB. Max. memory is 11.5 GB. [2019-12-07 12:56:31,339 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:56:31,340 INFO L168 Benchmark]: CACSL2BoogieTranslator took 367.23 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 81.3 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -120.2 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. [2019-12-07 12:56:31,340 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.47 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 12:56:31,340 INFO L168 Benchmark]: Boogie Preprocessor took 41.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 12:56:31,340 INFO L168 Benchmark]: RCFGBuilder took 648.53 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 931.5 MB in the end (delta: 111.9 MB). Peak memory consumption was 111.9 MB. Max. memory is 11.5 GB. [2019-12-07 12:56:31,341 INFO L168 Benchmark]: TraceAbstraction took 7102.35 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 233.8 MB). Free memory was 931.5 MB in the beginning and 966.1 MB in the end (delta: -34.6 MB). Peak memory consumption was 199.3 MB. Max. memory is 11.5 GB. [2019-12-07 12:56:31,341 INFO L168 Benchmark]: Witness Printer took 100.08 ms. Allocated memory is still 1.3 GB. Free memory was 966.1 MB in the beginning and 942.1 MB in the end (delta: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. [2019-12-07 12:56:31,342 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 367.23 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 81.3 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -120.2 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 50.47 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 648.53 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 931.5 MB in the end (delta: 111.9 MB). Peak memory consumption was 111.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7102.35 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 233.8 MB). Free memory was 931.5 MB in the beginning and 966.1 MB in the end (delta: -34.6 MB). Peak memory consumption was 199.3 MB. Max. memory is 11.5 GB. * Witness Printer took 100.08 ms. Allocated memory is still 1.3 GB. Free memory was 966.1 MB in the beginning and 942.1 MB in the end (delta: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 448]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((((((a28 == 9 && a11 == 1) && a17 <= 8) || ((a28 == 7 && a11 == 1) && a17 <= 8)) || ((((!(a28 == 7) && a19 == 1) && a11 <= 0) && a25 == 1) && a17 <= 8)) || (a28 == 10 && a11 == 1)) || ((a28 == 10 && a19 == 1) && a11 <= 0)) || (((!(a25 == 1) && a17 == 8) && a11 <= 0) && !(a28 == 11))) || ((10 <= a28 && !(a25 == 1)) && a11 == 1)) || ((a17 == 8 && a11 <= 0) && a28 == 7)) || ((((10 <= a28 && !(a25 == 1)) && a19 == 1) && a11 <= 0) && !(a28 == 11))) || (((a28 == 10 && a11 <= 0) && a25 == 1) && a17 <= 8) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((((((((((a28 == 9 && a11 == 1) && a17 <= 8) || ((a28 == 7 && a11 == 1) && a17 <= 8)) || ((((!(a28 == 7) && a19 == 1) && a11 <= 0) && a25 == 1) && a17 <= 8)) || (a28 == 10 && a11 == 1)) || ((a28 == 10 && a19 == 1) && a11 <= 0)) || (((!(a25 == 1) && a17 == 8) && a11 <= 0) && !(a28 == 11))) || ((10 <= a28 && !(a25 == 1)) && a11 == 1)) || ((a17 == 8 && a11 <= 0) && a28 == 7)) || ((((10 <= a28 && !(a25 == 1)) && a19 == 1) && a11 <= 0) && !(a28 == 11))) || (((a28 == 10 && a11 <= 0) && a25 == 1) && a17 <= 8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 1 error locations. Result: SAFE, OverallTime: 6.5s, OverallIterations: 12, TraceHistogramMax: 6, AutomataDifference: 4.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, HoareTripleCheckerStatistics: 1537 SDtfs, 2378 SDslu, 267 SDs, 0 SdLazy, 5978 SolverSat, 948 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 243 GetRequests, 217 SyntacticMatches, 5 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2689occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 1164 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 44 NumberOfFragments, 245 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1180 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 274 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 2045 NumberOfCodeBlocks, 2045 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2032 ConstructedInterpolants, 0 QuantifiedInterpolants, 655619 SizeOfPredicates, 1 NumberOfNonLiveVariables, 390 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 13 InterpolantComputations, 12 PerfectInterpolantSequences, 1294/1302 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...