./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label11.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b8f17878-4550-4084-bbed-a376527bd451/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b8f17878-4550-4084-bbed-a376527bd451/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b8f17878-4550-4084-bbed-a376527bd451/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b8f17878-4550-4084-bbed-a376527bd451/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label11.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b8f17878-4550-4084-bbed-a376527bd451/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b8f17878-4550-4084-bbed-a376527bd451/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4f5e94ed071347129094298d5dbb28caecb84213 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:14:39,922 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:14:39,931 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:14:39,981 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:14:39,982 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:14:39,984 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:14:39,986 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:14:39,989 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:14:39,992 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:14:39,993 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:14:39,995 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:14:39,996 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:14:39,997 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:14:39,999 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:14:40,001 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:14:40,002 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:14:40,004 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:14:40,005 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:14:40,008 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:14:40,011 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:14:40,013 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:14:40,015 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:14:40,017 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:14:40,018 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:14:40,022 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:14:40,023 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:14:40,023 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:14:40,025 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:14:40,026 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:14:40,027 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:14:40,028 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:14:40,029 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:14:40,030 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:14:40,031 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:14:40,033 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:14:40,034 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:14:40,035 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:14:40,035 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:14:40,036 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:14:40,037 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:14:40,038 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:14:40,046 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b8f17878-4550-4084-bbed-a376527bd451/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:14:40,100 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:14:40,101 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:14:40,103 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:14:40,104 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:14:40,104 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:14:40,104 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:14:40,105 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:14:40,105 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:14:40,105 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:14:40,105 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:14:40,107 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:14:40,107 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:14:40,107 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:14:40,108 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:14:40,108 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:14:40,108 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:14:40,108 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:14:40,109 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:14:40,109 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:14:40,109 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:14:40,110 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:14:40,110 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:14:40,110 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:14:40,111 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:14:40,111 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:14:40,111 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:14:40,111 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:14:40,112 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:14:40,112 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:14:40,112 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_b8f17878-4550-4084-bbed-a376527bd451/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b8f17878-4550-4084-bbed-a376527bd451/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f5e94ed071347129094298d5dbb28caecb84213 [2020-11-28 03:14:40,412 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:14:40,468 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:14:40,472 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:14:40,474 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:14:40,475 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:14:40,476 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b8f17878-4550-4084-bbed-a376527bd451/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem02_label11.c [2020-11-28 03:14:40,557 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b8f17878-4550-4084-bbed-a376527bd451/bin/uautomizer/data/dcbd130bc/364ba01ac1984fac9d0bb10d16fb61a5/FLAG2a8141a05 [2020-11-28 03:14:41,221 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:14:41,222 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b8f17878-4550-4084-bbed-a376527bd451/sv-benchmarks/c/eca-rers2012/Problem02_label11.c [2020-11-28 03:14:41,240 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b8f17878-4550-4084-bbed-a376527bd451/bin/uautomizer/data/dcbd130bc/364ba01ac1984fac9d0bb10d16fb61a5/FLAG2a8141a05 [2020-11-28 03:14:41,449 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b8f17878-4550-4084-bbed-a376527bd451/bin/uautomizer/data/dcbd130bc/364ba01ac1984fac9d0bb10d16fb61a5 [2020-11-28 03:14:41,453 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:14:41,458 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:14:41,462 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:14:41,462 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:14:41,467 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:14:41,469 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:14:41" (1/1) ... [2020-11-28 03:14:41,472 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b913635 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:41, skipping insertion in model container [2020-11-28 03:14:41,472 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:14:41" (1/1) ... [2020-11-28 03:14:41,482 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:14:41,568 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:14:42,137 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:14:42,164 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:14:42,372 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:14:42,391 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:14:42,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:42 WrapperNode [2020-11-28 03:14:42,392 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:14:42,393 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:14:42,393 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:14:42,394 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:14:42,403 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:42" (1/1) ... [2020-11-28 03:14:42,426 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:42" (1/1) ... [2020-11-28 03:14:42,510 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:14:42,511 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:14:42,512 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:14:42,513 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:14:42,524 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:42" (1/1) ... [2020-11-28 03:14:42,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:42" (1/1) ... [2020-11-28 03:14:42,537 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:42" (1/1) ... [2020-11-28 03:14:42,538 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:42" (1/1) ... [2020-11-28 03:14:42,592 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:42" (1/1) ... [2020-11-28 03:14:42,614 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:42" (1/1) ... [2020-11-28 03:14:42,640 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:42" (1/1) ... [2020-11-28 03:14:42,655 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:14:42,656 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:14:42,656 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:14:42,657 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:14:42,658 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b8f17878-4550-4084-bbed-a376527bd451/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 [2020-11-28 03:14:42,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:14:42,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:14:42,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:14:42,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:14:44,564 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:14:44,565 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-28 03:14:44,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:14:44 BoogieIcfgContainer [2020-11-28 03:14:44,569 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:14:44,575 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:14:44,576 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:14:44,581 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:14:44,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:14:41" (1/3) ... [2020-11-28 03:14:44,582 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74836564 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:14:44, skipping insertion in model container [2020-11-28 03:14:44,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:42" (2/3) ... [2020-11-28 03:14:44,583 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74836564 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:14:44, skipping insertion in model container [2020-11-28 03:14:44,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:14:44" (3/3) ... [2020-11-28 03:14:44,585 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label11.c [2020-11-28 03:14:44,605 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:14:44,611 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 03:14:44,625 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-28 03:14:44,664 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:14:44,665 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:14:44,665 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:14:44,665 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:14:44,665 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:14:44,665 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:14:44,666 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:14:44,666 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:14:44,690 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states. [2020-11-28 03:14:44,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-11-28 03:14:44,705 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:14:44,706 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:14:44,706 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:14:44,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:14:44,714 INFO L82 PathProgramCache]: Analyzing trace with hash 253680629, now seen corresponding path program 1 times [2020-11-28 03:14:44,725 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:14:44,726 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932090361] [2020-11-28 03:14:44,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:14:44,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:14:45,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:14:45,332 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932090361] [2020-11-28 03:14:45,333 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:14:45,334 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:14:45,335 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628397350] [2020-11-28 03:14:45,344 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:14:45,344 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:14:45,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:14:45,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:14:45,368 INFO L87 Difference]: Start difference. First operand 228 states. Second operand 3 states. [2020-11-28 03:14:46,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:14:46,686 INFO L93 Difference]: Finished difference Result 597 states and 1031 transitions. [2020-11-28 03:14:46,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:14:46,688 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 108 [2020-11-28 03:14:46,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:14:46,714 INFO L225 Difference]: With dead ends: 597 [2020-11-28 03:14:46,715 INFO L226 Difference]: Without dead ends: 305 [2020-11-28 03:14:46,730 INFO L677 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 [2020-11-28 03:14:46,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2020-11-28 03:14:46,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 305. [2020-11-28 03:14:46,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states. [2020-11-28 03:14:46,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 464 transitions. [2020-11-28 03:14:46,829 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 464 transitions. Word has length 108 [2020-11-28 03:14:46,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:14:46,830 INFO L481 AbstractCegarLoop]: Abstraction has 305 states and 464 transitions. [2020-11-28 03:14:46,835 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:14:46,835 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 464 transitions. [2020-11-28 03:14:46,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-11-28 03:14:46,842 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:14:46,843 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:14:46,843 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:14:46,843 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:14:46,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:14:46,844 INFO L82 PathProgramCache]: Analyzing trace with hash -818392397, now seen corresponding path program 1 times [2020-11-28 03:14:46,845 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:14:46,845 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573903791] [2020-11-28 03:14:46,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:14:46,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:14:47,013 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:14:47,013 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573903791] [2020-11-28 03:14:47,013 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:14:47,014 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:14:47,014 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799816557] [2020-11-28 03:14:47,016 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:14:47,016 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:14:47,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:14:47,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:14:47,020 INFO L87 Difference]: Start difference. First operand 305 states and 464 transitions. Second operand 3 states. [2020-11-28 03:14:47,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:14:47,481 INFO L93 Difference]: Finished difference Result 599 states and 913 transitions. [2020-11-28 03:14:47,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:14:47,482 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 119 [2020-11-28 03:14:47,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:14:47,486 INFO L225 Difference]: With dead ends: 599 [2020-11-28 03:14:47,486 INFO L226 Difference]: Without dead ends: 296 [2020-11-28 03:14:47,489 INFO L677 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 [2020-11-28 03:14:47,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2020-11-28 03:14:47,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 296. [2020-11-28 03:14:47,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-11-28 03:14:47,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 421 transitions. [2020-11-28 03:14:47,537 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 421 transitions. Word has length 119 [2020-11-28 03:14:47,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:14:47,540 INFO L481 AbstractCegarLoop]: Abstraction has 296 states and 421 transitions. [2020-11-28 03:14:47,540 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:14:47,541 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 421 transitions. [2020-11-28 03:14:47,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-11-28 03:14:47,556 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:14:47,556 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:14:47,557 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 03:14:47,558 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:14:47,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:14:47,561 INFO L82 PathProgramCache]: Analyzing trace with hash 315907576, now seen corresponding path program 1 times [2020-11-28 03:14:47,562 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:14:47,562 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226642538] [2020-11-28 03:14:47,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:14:47,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:14:47,748 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:14:47,748 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226642538] [2020-11-28 03:14:47,748 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:14:47,749 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:14:47,749 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846036416] [2020-11-28 03:14:47,751 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:14:47,752 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:14:47,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:14:47,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:14:47,761 INFO L87 Difference]: Start difference. First operand 296 states and 421 transitions. Second operand 3 states. [2020-11-28 03:14:48,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:14:48,526 INFO L93 Difference]: Finished difference Result 872 states and 1244 transitions. [2020-11-28 03:14:48,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:14:48,529 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2020-11-28 03:14:48,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:14:48,534 INFO L225 Difference]: With dead ends: 872 [2020-11-28 03:14:48,534 INFO L226 Difference]: Without dead ends: 578 [2020-11-28 03:14:48,535 INFO L677 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 [2020-11-28 03:14:48,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2020-11-28 03:14:48,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 438. [2020-11-28 03:14:48,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 438 states. [2020-11-28 03:14:48,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 573 transitions. [2020-11-28 03:14:48,576 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 573 transitions. Word has length 126 [2020-11-28 03:14:48,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:14:48,580 INFO L481 AbstractCegarLoop]: Abstraction has 438 states and 573 transitions. [2020-11-28 03:14:48,581 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:14:48,581 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 573 transitions. [2020-11-28 03:14:48,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-11-28 03:14:48,589 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:14:48,591 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:14:48,591 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 03:14:48,591 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:14:48,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:14:48,592 INFO L82 PathProgramCache]: Analyzing trace with hash -616418107, now seen corresponding path program 1 times [2020-11-28 03:14:48,592 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:14:48,593 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056372852] [2020-11-28 03:14:48,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:14:48,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:14:48,728 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:14:48,729 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056372852] [2020-11-28 03:14:48,729 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:14:48,730 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:14:48,730 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076766341] [2020-11-28 03:14:48,733 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:14:48,733 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:14:48,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:14:48,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:14:48,736 INFO L87 Difference]: Start difference. First operand 438 states and 573 transitions. Second operand 3 states. [2020-11-28 03:14:49,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:14:49,571 INFO L93 Difference]: Finished difference Result 1017 states and 1348 transitions. [2020-11-28 03:14:49,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:14:49,572 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 131 [2020-11-28 03:14:49,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:14:49,577 INFO L225 Difference]: With dead ends: 1017 [2020-11-28 03:14:49,577 INFO L226 Difference]: Without dead ends: 581 [2020-11-28 03:14:49,579 INFO L677 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 [2020-11-28 03:14:49,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2020-11-28 03:14:49,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 579. [2020-11-28 03:14:49,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 579 states. [2020-11-28 03:14:49,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 754 transitions. [2020-11-28 03:14:49,602 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 754 transitions. Word has length 131 [2020-11-28 03:14:49,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:14:49,602 INFO L481 AbstractCegarLoop]: Abstraction has 579 states and 754 transitions. [2020-11-28 03:14:49,603 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:14:49,603 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 754 transitions. [2020-11-28 03:14:49,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-11-28 03:14:49,606 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:14:49,607 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:14:49,607 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 03:14:49,607 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:14:49,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:14:49,608 INFO L82 PathProgramCache]: Analyzing trace with hash -121465925, now seen corresponding path program 1 times [2020-11-28 03:14:49,609 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:14:49,609 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095560724] [2020-11-28 03:14:49,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:14:49,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:14:50,006 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:14:50,007 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095560724] [2020-11-28 03:14:50,007 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [42772668] [2020-11-28 03:14:50,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b8f17878-4550-4084-bbed-a376527bd451/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 [2020-11-28 03:14:50,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:14:50,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:14:50,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:14:50,456 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-28 03:14:50,457 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:14:50,457 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-11-28 03:14:50,458 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173706607] [2020-11-28 03:14:50,458 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:14:50,458 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:14:50,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:14:50,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:14:50,460 INFO L87 Difference]: Start difference. First operand 579 states and 754 transitions. Second operand 3 states. [2020-11-28 03:14:51,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:14:51,510 INFO L93 Difference]: Finished difference Result 1582 states and 2046 transitions. [2020-11-28 03:14:51,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:14:51,511 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 135 [2020-11-28 03:14:51,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:14:51,519 INFO L225 Difference]: With dead ends: 1582 [2020-11-28 03:14:51,519 INFO L226 Difference]: Without dead ends: 1005 [2020-11-28 03:14:51,521 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:14:51,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1005 states. [2020-11-28 03:14:51,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1005 to 861. [2020-11-28 03:14:51,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 861 states. [2020-11-28 03:14:51,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 861 states and 1086 transitions. [2020-11-28 03:14:51,553 INFO L78 Accepts]: Start accepts. Automaton has 861 states and 1086 transitions. Word has length 135 [2020-11-28 03:14:51,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:14:51,554 INFO L481 AbstractCegarLoop]: Abstraction has 861 states and 1086 transitions. [2020-11-28 03:14:51,554 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:14:51,554 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1086 transitions. [2020-11-28 03:14:51,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-11-28 03:14:51,558 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:14:51,559 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:14:51,775 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:14:51,775 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:14:51,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:14:51,776 INFO L82 PathProgramCache]: Analyzing trace with hash 101952305, now seen corresponding path program 1 times [2020-11-28 03:14:51,776 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:14:51,776 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073590343] [2020-11-28 03:14:51,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:14:51,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:14:51,906 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 03:14:51,906 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073590343] [2020-11-28 03:14:51,906 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:14:51,907 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:14:51,908 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264756419] [2020-11-28 03:14:51,908 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:14:51,908 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:14:51,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:14:51,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:14:51,910 INFO L87 Difference]: Start difference. First operand 861 states and 1086 transitions. Second operand 3 states. [2020-11-28 03:14:52,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:14:52,756 INFO L93 Difference]: Finished difference Result 2281 states and 2841 transitions. [2020-11-28 03:14:52,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:14:52,756 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 139 [2020-11-28 03:14:52,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:14:52,771 INFO L225 Difference]: With dead ends: 2281 [2020-11-28 03:14:52,772 INFO L226 Difference]: Without dead ends: 1422 [2020-11-28 03:14:52,774 INFO L677 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 [2020-11-28 03:14:52,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1422 states. [2020-11-28 03:14:52,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1422 to 1422. [2020-11-28 03:14:52,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1422 states. [2020-11-28 03:14:52,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1422 states to 1422 states and 1677 transitions. [2020-11-28 03:14:52,835 INFO L78 Accepts]: Start accepts. Automaton has 1422 states and 1677 transitions. Word has length 139 [2020-11-28 03:14:52,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:14:52,835 INFO L481 AbstractCegarLoop]: Abstraction has 1422 states and 1677 transitions. [2020-11-28 03:14:52,835 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:14:52,836 INFO L276 IsEmpty]: Start isEmpty. Operand 1422 states and 1677 transitions. [2020-11-28 03:14:52,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-11-28 03:14:52,841 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:14:52,842 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:14:52,851 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-28 03:14:52,851 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:14:52,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:14:52,852 INFO L82 PathProgramCache]: Analyzing trace with hash -1499538006, now seen corresponding path program 1 times [2020-11-28 03:14:52,852 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:14:52,853 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057929174] [2020-11-28 03:14:52,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:14:52,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:14:52,963 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-28 03:14:52,963 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057929174] [2020-11-28 03:14:52,964 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:14:52,965 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:14:52,965 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682125265] [2020-11-28 03:14:52,966 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:14:52,966 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:14:52,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:14:52,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:14:52,968 INFO L87 Difference]: Start difference. First operand 1422 states and 1677 transitions. Second operand 3 states. [2020-11-28 03:14:53,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:14:53,801 INFO L93 Difference]: Finished difference Result 3263 states and 3903 transitions. [2020-11-28 03:14:53,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:14:53,802 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 161 [2020-11-28 03:14:53,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:14:53,815 INFO L225 Difference]: With dead ends: 3263 [2020-11-28 03:14:53,815 INFO L226 Difference]: Without dead ends: 1700 [2020-11-28 03:14:53,818 INFO L677 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 [2020-11-28 03:14:53,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1700 states. [2020-11-28 03:14:53,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1700 to 1700. [2020-11-28 03:14:53,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1700 states. [2020-11-28 03:14:53,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1700 states to 1700 states and 1872 transitions. [2020-11-28 03:14:53,875 INFO L78 Accepts]: Start accepts. Automaton has 1700 states and 1872 transitions. Word has length 161 [2020-11-28 03:14:53,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:14:53,876 INFO L481 AbstractCegarLoop]: Abstraction has 1700 states and 1872 transitions. [2020-11-28 03:14:53,876 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:14:53,876 INFO L276 IsEmpty]: Start isEmpty. Operand 1700 states and 1872 transitions. [2020-11-28 03:14:53,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-11-28 03:14:53,882 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:14:53,883 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:14:53,883 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-28 03:14:53,883 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:14:53,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:14:53,884 INFO L82 PathProgramCache]: Analyzing trace with hash 1982811071, now seen corresponding path program 1 times [2020-11-28 03:14:53,884 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:14:53,885 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011502546] [2020-11-28 03:14:53,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:14:53,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:14:54,137 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 87 proven. 8 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2020-11-28 03:14:54,137 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011502546] [2020-11-28 03:14:54,137 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1288601215] [2020-11-28 03:14:54,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b8f17878-4550-4084-bbed-a376527bd451/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:14:54,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:14:54,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:14:54,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:14:54,406 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-11-28 03:14:54,406 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:14:54,407 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-11-28 03:14:54,407 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372154796] [2020-11-28 03:14:54,408 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:14:54,408 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:14:54,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:14:54,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:14:54,409 INFO L87 Difference]: Start difference. First operand 1700 states and 1872 transitions. Second operand 3 states. [2020-11-28 03:14:55,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:14:55,202 INFO L93 Difference]: Finished difference Result 3678 states and 4097 transitions. [2020-11-28 03:14:55,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:14:55,202 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 184 [2020-11-28 03:14:55,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:14:55,217 INFO L225 Difference]: With dead ends: 3678 [2020-11-28 03:14:55,217 INFO L226 Difference]: Without dead ends: 2120 [2020-11-28 03:14:55,226 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:14:55,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2120 states. [2020-11-28 03:14:55,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2120 to 2118. [2020-11-28 03:14:55,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2118 states. [2020-11-28 03:14:55,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2118 states to 2118 states and 2334 transitions. [2020-11-28 03:14:55,292 INFO L78 Accepts]: Start accepts. Automaton has 2118 states and 2334 transitions. Word has length 184 [2020-11-28 03:14:55,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:14:55,293 INFO L481 AbstractCegarLoop]: Abstraction has 2118 states and 2334 transitions. [2020-11-28 03:14:55,293 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:14:55,293 INFO L276 IsEmpty]: Start isEmpty. Operand 2118 states and 2334 transitions. [2020-11-28 03:14:55,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-11-28 03:14:55,300 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:14:55,301 INFO L422 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, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:14:55,524 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:14:55,525 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:14:55,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:14:55,525 INFO L82 PathProgramCache]: Analyzing trace with hash -1127459087, now seen corresponding path program 1 times [2020-11-28 03:14:55,526 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:14:55,526 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884358309] [2020-11-28 03:14:55,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:14:55,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:14:55,713 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-28 03:14:55,713 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884358309] [2020-11-28 03:14:55,714 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:14:55,714 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:14:55,714 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580799854] [2020-11-28 03:14:55,715 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:14:55,715 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:14:55,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:14:55,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:14:55,716 INFO L87 Difference]: Start difference. First operand 2118 states and 2334 transitions. Second operand 3 states. [2020-11-28 03:14:56,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:14:56,436 INFO L93 Difference]: Finished difference Result 4512 states and 4942 transitions. [2020-11-28 03:14:56,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:14:56,437 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 206 [2020-11-28 03:14:56,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:14:56,453 INFO L225 Difference]: With dead ends: 4512 [2020-11-28 03:14:56,453 INFO L226 Difference]: Without dead ends: 2536 [2020-11-28 03:14:56,457 INFO L677 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 [2020-11-28 03:14:56,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2536 states. [2020-11-28 03:14:56,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2536 to 1836. [2020-11-28 03:14:56,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1836 states. [2020-11-28 03:14:56,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1836 states to 1836 states and 2004 transitions. [2020-11-28 03:14:56,558 INFO L78 Accepts]: Start accepts. Automaton has 1836 states and 2004 transitions. Word has length 206 [2020-11-28 03:14:56,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:14:56,558 INFO L481 AbstractCegarLoop]: Abstraction has 1836 states and 2004 transitions. [2020-11-28 03:14:56,558 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:14:56,559 INFO L276 IsEmpty]: Start isEmpty. Operand 1836 states and 2004 transitions. [2020-11-28 03:14:56,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-11-28 03:14:56,565 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:14:56,566 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:14:56,566 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-28 03:14:56,566 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:14:56,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:14:56,567 INFO L82 PathProgramCache]: Analyzing trace with hash -290212956, now seen corresponding path program 1 times [2020-11-28 03:14:56,567 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:14:56,568 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605109713] [2020-11-28 03:14:56,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:14:56,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:14:57,010 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 68 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:14:57,010 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605109713] [2020-11-28 03:14:57,011 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [272324490] [2020-11-28 03:14:57,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b8f17878-4550-4084-bbed-a376527bd451/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:14:57,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:14:57,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:14:57,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:14:57,290 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-11-28 03:14:57,291 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:14:57,291 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-11-28 03:14:57,291 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342677824] [2020-11-28 03:14:57,292 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:14:57,292 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:14:57,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:14:57,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:14:57,295 INFO L87 Difference]: Start difference. First operand 1836 states and 2004 transitions. Second operand 3 states. [2020-11-28 03:14:58,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:14:58,076 INFO L93 Difference]: Finished difference Result 3529 states and 3862 transitions. [2020-11-28 03:14:58,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:14:58,077 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 206 [2020-11-28 03:14:58,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:14:58,078 INFO L225 Difference]: With dead ends: 3529 [2020-11-28 03:14:58,078 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 03:14:58,084 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:14:58,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 03:14:58,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 03:14:58,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 03:14:58,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:14:58,085 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 206 [2020-11-28 03:14:58,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:14:58,086 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:14:58,086 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:14:58,086 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:14:58,086 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 03:14:58,307 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-11-28 03:14:58,309 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 03:14:58,517 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 25 [2020-11-28 03:14:58,650 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 25 [2020-11-28 03:14:58,654 INFO L274 CegarLoopResult]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:14:58,654 INFO L274 CegarLoopResult]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:14:58,654 INFO L274 CegarLoopResult]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:14:58,654 INFO L274 CegarLoopResult]: For program point L301(lines 301 423) no Hoare annotation was computed. [2020-11-28 03:14:58,654 INFO L274 CegarLoopResult]: For program point L235(lines 235 423) no Hoare annotation was computed. [2020-11-28 03:14:58,655 INFO L274 CegarLoopResult]: For program point L169(lines 169 423) no Hoare annotation was computed. [2020-11-28 03:14:58,655 INFO L274 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-11-28 03:14:58,655 INFO L274 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-11-28 03:14:58,655 INFO L274 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-11-28 03:14:58,655 INFO L274 CegarLoopResult]: For program point L303(lines 303 423) no Hoare annotation was computed. [2020-11-28 03:14:58,655 INFO L274 CegarLoopResult]: For program point L105(lines 105 423) no Hoare annotation was computed. [2020-11-28 03:14:58,655 INFO L274 CegarLoopResult]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:14:58,655 INFO L274 CegarLoopResult]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:14:58,655 INFO L274 CegarLoopResult]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:14:58,656 INFO L274 CegarLoopResult]: For program point L40(lines 40 423) no Hoare annotation was computed. [2020-11-28 03:14:58,656 INFO L274 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-11-28 03:14:58,656 INFO L274 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-11-28 03:14:58,656 INFO L274 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-11-28 03:14:58,656 INFO L274 CegarLoopResult]: For program point L371(lines 371 423) no Hoare annotation was computed. [2020-11-28 03:14:58,656 INFO L274 CegarLoopResult]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:14:58,656 INFO L274 CegarLoopResult]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:14:58,656 INFO L274 CegarLoopResult]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:14:58,656 INFO L274 CegarLoopResult]: For program point L307(lines 307 423) no Hoare annotation was computed. [2020-11-28 03:14:58,657 INFO L274 CegarLoopResult]: For program point L175(lines 175 423) no Hoare annotation was computed. [2020-11-28 03:14:58,657 INFO L274 CegarLoopResult]: For program point L109(lines 109 423) no Hoare annotation was computed. [2020-11-28 03:14:58,657 INFO L274 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-11-28 03:14:58,657 INFO L274 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-11-28 03:14:58,657 INFO L274 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-11-28 03:14:58,657 INFO L274 CegarLoopResult]: For program point L308(lines 308 317) no Hoare annotation was computed. [2020-11-28 03:14:58,657 INFO L274 CegarLoopResult]: For program point L242(lines 242 423) no Hoare annotation was computed. [2020-11-28 03:14:58,657 INFO L274 CegarLoopResult]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2020-11-28 03:14:58,657 INFO L274 CegarLoopResult]: For program point L45(lines 45 423) no Hoare annotation was computed. [2020-11-28 03:14:58,657 INFO L274 CegarLoopResult]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:14:58,658 INFO L274 CegarLoopResult]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:14:58,658 INFO L274 CegarLoopResult]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:14:58,658 INFO L274 CegarLoopResult]: For program point L244(lines 244 423) no Hoare annotation was computed. [2020-11-28 03:14:58,658 INFO L274 CegarLoopResult]: For program point L575(line 575) no Hoare annotation was computed. [2020-11-28 03:14:58,658 INFO L274 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-11-28 03:14:58,658 INFO L274 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-11-28 03:14:58,658 INFO L274 CegarLoopResult]: For program point L179(lines 179 423) no Hoare annotation was computed. [2020-11-28 03:14:58,658 INFO L274 CegarLoopResult]: For program point L378(lines 378 423) no Hoare annotation was computed. [2020-11-28 03:14:58,658 INFO L274 CegarLoopResult]: For program point L48(lines 48 423) no Hoare annotation was computed. [2020-11-28 03:14:58,665 INFO L274 CegarLoopResult]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:14:58,665 INFO L274 CegarLoopResult]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:14:58,665 INFO L274 CegarLoopResult]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:14:58,666 INFO L274 CegarLoopResult]: For program point L247(lines 247 423) no Hoare annotation was computed. [2020-11-28 03:14:58,666 INFO L274 CegarLoopResult]: For program point L578(line 578) no Hoare annotation was computed. [2020-11-28 03:14:58,666 INFO L274 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-11-28 03:14:58,666 INFO L274 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-11-28 03:14:58,666 INFO L274 CegarLoopResult]: For program point L248(lines 248 256) no Hoare annotation was computed. [2020-11-28 03:14:58,666 INFO L274 CegarLoopResult]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2020-11-28 03:14:58,667 INFO L274 CegarLoopResult]: For program point L116(lines 116 423) no Hoare annotation was computed. [2020-11-28 03:14:58,667 INFO L274 CegarLoopResult]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:14:58,667 INFO L274 CegarLoopResult]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:14:58,667 INFO L274 CegarLoopResult]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:14:58,667 INFO L274 CegarLoopResult]: For program point L52(lines 52 423) no Hoare annotation was computed. [2020-11-28 03:14:58,668 INFO L274 CegarLoopResult]: For program point L581(line 581) no Hoare annotation was computed. [2020-11-28 03:14:58,668 INFO L274 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-11-28 03:14:58,668 INFO L274 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-11-28 03:14:58,668 INFO L274 CegarLoopResult]: For program point L185(lines 185 423) no Hoare annotation was computed. [2020-11-28 03:14:58,668 INFO L274 CegarLoopResult]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:14:58,668 INFO L274 CegarLoopResult]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:14:58,669 INFO L274 CegarLoopResult]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:14:58,669 INFO L274 CegarLoopResult]: For program point L385(lines 385 423) no Hoare annotation was computed. [2020-11-28 03:14:58,669 INFO L274 CegarLoopResult]: For program point L319(lines 319 423) no Hoare annotation was computed. [2020-11-28 03:14:58,670 INFO L274 CegarLoopResult]: For program point L584(line 584) no Hoare annotation was computed. [2020-11-28 03:14:58,670 INFO L274 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-11-28 03:14:58,670 INFO L274 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-11-28 03:14:58,670 INFO L274 CegarLoopResult]: For program point L189(lines 189 423) no Hoare annotation was computed. [2020-11-28 03:14:58,670 INFO L274 CegarLoopResult]: For program point L123(lines 123 423) no Hoare annotation was computed. [2020-11-28 03:14:58,670 INFO L274 CegarLoopResult]: For program point L57(lines 57 423) no Hoare annotation was computed. [2020-11-28 03:14:58,670 INFO L274 CegarLoopResult]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:14:58,671 INFO L274 CegarLoopResult]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:14:58,671 INFO L274 CegarLoopResult]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:14:58,671 INFO L274 CegarLoopResult]: For program point L388(lines 388 423) no Hoare annotation was computed. [2020-11-28 03:14:58,671 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 03:14:58,671 INFO L274 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-11-28 03:14:58,672 INFO L274 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-11-28 03:14:58,672 INFO L274 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-11-28 03:14:58,672 INFO L274 CegarLoopResult]: For program point L390(lines 390 423) no Hoare annotation was computed. [2020-11-28 03:14:58,672 INFO L274 CegarLoopResult]: For program point L324(lines 324 423) no Hoare annotation was computed. [2020-11-28 03:14:58,672 INFO L274 CegarLoopResult]: For program point L258(lines 258 423) no Hoare annotation was computed. [2020-11-28 03:14:58,672 INFO L274 CegarLoopResult]: For program point L60(lines 60 423) no Hoare annotation was computed. [2020-11-28 03:14:58,673 INFO L274 CegarLoopResult]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:14:58,673 INFO L274 CegarLoopResult]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:14:58,673 INFO L274 CegarLoopResult]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:14:58,673 INFO L274 CegarLoopResult]: For program point L391(lines 391 397) no Hoare annotation was computed. [2020-11-28 03:14:58,673 INFO L274 CegarLoopResult]: For program point L325(lines 325 336) no Hoare annotation was computed. [2020-11-28 03:14:58,673 INFO L274 CegarLoopResult]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2020-11-28 03:14:58,674 INFO L274 CegarLoopResult]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2020-11-28 03:14:58,674 INFO L274 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-11-28 03:14:58,674 INFO L274 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-11-28 03:14:58,674 INFO L274 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-11-28 03:14:58,674 INFO L274 CegarLoopResult]: For program point L195(lines 195 423) no Hoare annotation was computed. [2020-11-28 03:14:58,674 INFO L274 CegarLoopResult]: For program point L129(lines 129 423) no Hoare annotation was computed. [2020-11-28 03:14:58,675 INFO L274 CegarLoopResult]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:14:58,675 INFO L274 CegarLoopResult]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:14:58,675 INFO L274 CegarLoopResult]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:14:58,675 INFO L274 CegarLoopResult]: For program point L64(lines 64 423) no Hoare annotation was computed. [2020-11-28 03:14:58,675 INFO L274 CegarLoopResult]: For program point L593(line 593) no Hoare annotation was computed. [2020-11-28 03:14:58,675 INFO L274 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-11-28 03:14:58,676 INFO L274 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-11-28 03:14:58,676 INFO L274 CegarLoopResult]: For program point L263(lines 263 423) no Hoare annotation was computed. [2020-11-28 03:14:58,676 INFO L274 CegarLoopResult]: For program point L197(lines 197 423) no Hoare annotation was computed. [2020-11-28 03:14:58,676 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 03:14:58,676 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-28 03:14:58,677 INFO L274 CegarLoopResult]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:14:58,677 INFO L274 CegarLoopResult]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:14:58,677 INFO L274 CegarLoopResult]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:14:58,677 INFO L274 CegarLoopResult]: For program point L199(lines 199 423) no Hoare annotation was computed. [2020-11-28 03:14:58,677 INFO L274 CegarLoopResult]: For program point L133(lines 133 423) no Hoare annotation was computed. [2020-11-28 03:14:58,677 INFO L274 CegarLoopResult]: For program point L596(line 596) no Hoare annotation was computed. [2020-11-28 03:14:58,678 INFO L274 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-11-28 03:14:58,678 INFO L274 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-11-28 03:14:58,678 INFO L274 CegarLoopResult]: For program point L399(lines 399 423) no Hoare annotation was computed. [2020-11-28 03:14:58,678 INFO L274 CegarLoopResult]: For program point L201(lines 201 423) no Hoare annotation was computed. [2020-11-28 03:14:58,678 INFO L274 CegarLoopResult]: For program point L69(lines 69 423) no Hoare annotation was computed. [2020-11-28 03:14:58,679 INFO L274 CegarLoopResult]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:14:58,679 INFO L274 CegarLoopResult]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:14:58,679 INFO L274 CegarLoopResult]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:14:58,679 INFO L274 CegarLoopResult]: For program point L599(line 599) no Hoare annotation was computed. [2020-11-28 03:14:58,680 INFO L274 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-11-28 03:14:58,680 INFO L274 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-11-28 03:14:58,680 INFO L274 CegarLoopResult]: For program point L269(lines 269 423) no Hoare annotation was computed. [2020-11-28 03:14:58,681 INFO L274 CegarLoopResult]: For program point L204(lines 204 423) no Hoare annotation was computed. [2020-11-28 03:14:58,681 INFO L274 CegarLoopResult]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:14:58,681 INFO L274 CegarLoopResult]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:14:58,681 INFO L274 CegarLoopResult]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:14:58,681 INFO L274 CegarLoopResult]: For program point L271(lines 271 423) no Hoare annotation was computed. [2020-11-28 03:14:58,682 INFO L274 CegarLoopResult]: For program point L602(line 602) no Hoare annotation was computed. [2020-11-28 03:14:58,682 INFO L274 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-11-28 03:14:58,682 INFO L274 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-11-28 03:14:58,682 INFO L274 CegarLoopResult]: For program point L404(lines 404 423) no Hoare annotation was computed. [2020-11-28 03:14:58,682 INFO L274 CegarLoopResult]: For program point L338(lines 338 423) no Hoare annotation was computed. [2020-11-28 03:14:58,682 INFO L274 CegarLoopResult]: For program point L272(lines 272 284) no Hoare annotation was computed. [2020-11-28 03:14:58,683 INFO L274 CegarLoopResult]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2020-11-28 03:14:58,683 INFO L274 CegarLoopResult]: For program point L140(lines 140 423) no Hoare annotation was computed. [2020-11-28 03:14:58,683 INFO L274 CegarLoopResult]: For program point L75(lines 75 423) no Hoare annotation was computed. [2020-11-28 03:14:58,683 INFO L274 CegarLoopResult]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2020-11-28 03:14:58,683 INFO L274 CegarLoopResult]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:14:58,683 INFO L274 CegarLoopResult]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:14:58,684 INFO L274 CegarLoopResult]: For program point L208(lines 208 423) no Hoare annotation was computed. [2020-11-28 03:14:58,684 INFO L274 CegarLoopResult]: For program point L605(line 605) no Hoare annotation was computed. [2020-11-28 03:14:58,684 INFO L274 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-11-28 03:14:58,684 INFO L274 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-11-28 03:14:58,684 INFO L274 CegarLoopResult]: For program point L341(lines 341 423) no Hoare annotation was computed. [2020-11-28 03:14:58,685 INFO L274 CegarLoopResult]: For program point L408(lines 408 423) no Hoare annotation was computed. [2020-11-28 03:14:58,685 INFO L274 CegarLoopResult]: For program point L342(lines 342 345) no Hoare annotation was computed. [2020-11-28 03:14:58,685 INFO L274 CegarLoopResult]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2020-11-28 03:14:58,685 INFO L274 CegarLoopResult]: For program point L144(lines 144 423) no Hoare annotation was computed. [2020-11-28 03:14:58,685 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-28 03:14:58,687 INFO L270 CegarLoopResult]: At program point L607(lines 39 608) the Hoare annotation is: (let ((.cse0 (not (= ~a11~0 1))) (.cse1 (<= ~a17~0 8)) (.cse2 (<= ~a28~0 10))) (or (and (= ~a19~0 1) (<= 8 ~a17~0) .cse0 .cse1) (and (<= ~a28~0 7) .cse1) (and .cse0 .cse1 (<= ~a25~0 0) .cse2) (and (<= 9 ~a28~0) .cse1 .cse2))) [2020-11-28 03:14:58,687 INFO L274 CegarLoopResult]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:14:58,688 INFO L274 CegarLoopResult]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:14:58,688 INFO L274 CegarLoopResult]: For program point L79(lines 79 423) no Hoare annotation was computed. [2020-11-28 03:14:58,688 INFO L274 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-11-28 03:14:58,688 INFO L274 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-11-28 03:14:58,688 INFO L274 CegarLoopResult]: For program point L212(lines 212 423) no Hoare annotation was computed. [2020-11-28 03:14:58,688 INFO L274 CegarLoopResult]: For program point L213(lines 213 220) no Hoare annotation was computed. [2020-11-28 03:14:58,689 INFO L274 CegarLoopResult]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2020-11-28 03:14:58,689 INFO L277 CegarLoopResult]: At program point L610(lines 610 627) the Hoare annotation is: true [2020-11-28 03:14:58,689 INFO L274 CegarLoopResult]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:14:58,689 INFO L274 CegarLoopResult]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:14:58,689 INFO L274 CegarLoopResult]: For program point L412(lines 412 423) no Hoare annotation was computed. [2020-11-28 03:14:58,690 INFO L274 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-11-28 03:14:58,690 INFO L274 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-11-28 03:14:58,690 INFO L274 CegarLoopResult]: For program point L347(lines 347 423) no Hoare annotation was computed. [2020-11-28 03:14:58,690 INFO L274 CegarLoopResult]: For program point L149(lines 149 423) no Hoare annotation was computed. [2020-11-28 03:14:58,690 INFO L274 CegarLoopResult]: For program point L414(lines 414 423) no Hoare annotation was computed. [2020-11-28 03:14:58,690 INFO L274 CegarLoopResult]: For program point L348(lines 348 357) no Hoare annotation was computed. [2020-11-28 03:14:58,691 INFO L274 CegarLoopResult]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2020-11-28 03:14:58,691 INFO L274 CegarLoopResult]: For program point L84(lines 84 423) no Hoare annotation was computed. [2020-11-28 03:14:58,691 INFO L274 CegarLoopResult]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:14:58,691 INFO L274 CegarLoopResult]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:14:58,691 INFO L274 CegarLoopResult]: For program point L85(lines 85 90) no Hoare annotation was computed. [2020-11-28 03:14:58,692 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2020-11-28 03:14:58,692 INFO L274 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-11-28 03:14:58,692 INFO L274 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-11-28 03:14:58,692 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 03:14:58,692 INFO L274 CegarLoopResult]: For program point L417(lines 417 423) no Hoare annotation was computed. [2020-11-28 03:14:58,692 INFO L274 CegarLoopResult]: For program point L153(lines 153 423) no Hoare annotation was computed. [2020-11-28 03:14:58,693 INFO L270 CegarLoopResult]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse0 (not (= ~a11~0 1))) (.cse1 (<= ~a17~0 8)) (.cse2 (<= ~a28~0 10))) (or (and (= ~a19~0 1) (<= 8 ~a17~0) .cse0 .cse1) (and (<= ~a28~0 7) .cse1) (and .cse0 .cse1 (<= ~a25~0 0) .cse2) (and (<= 9 ~a28~0) .cse1 .cse2))) [2020-11-28 03:14:58,694 INFO L274 CegarLoopResult]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:14:58,694 INFO L274 CegarLoopResult]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:14:58,694 INFO L274 CegarLoopResult]: For program point L286(lines 286 423) no Hoare annotation was computed. [2020-11-28 03:14:58,694 INFO L274 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-11-28 03:14:58,694 INFO L274 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-11-28 03:14:58,694 INFO L274 CegarLoopResult]: For program point L419(lines 419 423) no Hoare annotation was computed. [2020-11-28 03:14:58,695 INFO L274 CegarLoopResult]: For program point L222(lines 222 423) no Hoare annotation was computed. [2020-11-28 03:14:58,695 INFO L274 CegarLoopResult]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:14:58,695 INFO L274 CegarLoopResult]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:14:58,695 INFO L274 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-11-28 03:14:58,695 INFO L274 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-11-28 03:14:58,695 INFO L274 CegarLoopResult]: For program point L290(lines 290 423) no Hoare annotation was computed. [2020-11-28 03:14:58,696 INFO L274 CegarLoopResult]: For program point L158(lines 158 423) no Hoare annotation was computed. [2020-11-28 03:14:58,696 INFO L274 CegarLoopResult]: For program point L92(lines 92 423) no Hoare annotation was computed. [2020-11-28 03:14:58,696 INFO L274 CegarLoopResult]: For program point L621(line 621) no Hoare annotation was computed. [2020-11-28 03:14:58,696 INFO L274 CegarLoopResult]: For program point L225(lines 225 423) no Hoare annotation was computed. [2020-11-28 03:14:58,696 INFO L274 CegarLoopResult]: For program point L93(lines 93 99) no Hoare annotation was computed. [2020-11-28 03:14:58,696 INFO L274 CegarLoopResult]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2020-11-28 03:14:58,697 INFO L274 CegarLoopResult]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:14:58,697 INFO L274 CegarLoopResult]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:14:58,697 INFO L274 CegarLoopResult]: For program point L424(lines 424 426) no Hoare annotation was computed. [2020-11-28 03:14:58,697 INFO L274 CegarLoopResult]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:14:58,697 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 03:14:58,697 INFO L274 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-11-28 03:14:58,698 INFO L274 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-11-28 03:14:58,698 INFO L274 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-11-28 03:14:58,698 INFO L274 CegarLoopResult]: For program point L359(lines 359 423) no Hoare annotation was computed. [2020-11-28 03:14:58,698 INFO L274 CegarLoopResult]: For program point L293(lines 293 423) no Hoare annotation was computed. [2020-11-28 03:14:58,698 INFO L274 CegarLoopResult]: For program point L228(lines 228 423) no Hoare annotation was computed. [2020-11-28 03:14:58,698 INFO L274 CegarLoopResult]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:14:58,699 INFO L274 CegarLoopResult]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:14:58,699 INFO L274 CegarLoopResult]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:14:58,699 INFO L274 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-11-28 03:14:58,699 INFO L274 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-11-28 03:14:58,699 INFO L274 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-11-28 03:14:58,700 INFO L274 CegarLoopResult]: For program point L296(lines 296 423) no Hoare annotation was computed. [2020-11-28 03:14:58,700 INFO L274 CegarLoopResult]: For program point L164(lines 164 423) no Hoare annotation was computed. [2020-11-28 03:14:58,700 INFO L274 CegarLoopResult]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:14:58,700 INFO L274 CegarLoopResult]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:14:58,700 INFO L274 CegarLoopResult]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 03:14:58,700 INFO L274 CegarLoopResult]: For program point L364(lines 364 423) no Hoare annotation was computed. [2020-11-28 03:14:58,701 INFO L274 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-11-28 03:14:58,701 INFO L274 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-11-28 03:14:58,701 INFO L274 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-11-28 03:14:58,701 INFO L274 CegarLoopResult]: For program point L233(lines 233 423) no Hoare annotation was computed. [2020-11-28 03:14:58,701 INFO L274 CegarLoopResult]: For program point L101(lines 101 423) no Hoare annotation was computed. [2020-11-28 03:14:58,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:14:58 BoogieIcfgContainer [2020-11-28 03:14:58,734 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:14:58,735 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:14:58,735 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:14:58,735 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:14:58,736 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:14:44" (3/4) ... [2020-11-28 03:14:58,740 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 03:14:58,776 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-28 03:14:58,778 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-28 03:14:58,780 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:14:58,781 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:14:58,985 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b8f17878-4550-4084-bbed-a376527bd451/bin/uautomizer/witness.graphml [2020-11-28 03:14:58,986 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:14:58,987 INFO L168 Benchmark]: Toolchain (without parser) took 17528.81 ms. Allocated memory was 117.4 MB in the beginning and 314.6 MB in the end (delta: 197.1 MB). Free memory was 80.4 MB in the beginning and 205.6 MB in the end (delta: -125.3 MB). Peak memory consumption was 71.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:14:58,988 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 117.4 MB. Free memory was 91.8 MB in the beginning and 91.8 MB in the end (delta: 29.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:14:58,988 INFO L168 Benchmark]: CACSL2BoogieTranslator took 930.63 ms. Allocated memory is still 117.4 MB. Free memory was 80.1 MB in the beginning and 76.6 MB in the end (delta: 3.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:14:58,989 INFO L168 Benchmark]: Boogie Procedure Inliner took 117.57 ms. Allocated memory is still 117.4 MB. Free memory was 76.6 MB in the beginning and 71.3 MB in the end (delta: 5.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:14:58,989 INFO L168 Benchmark]: Boogie Preprocessor took 143.48 ms. Allocated memory is still 117.4 MB. Free memory was 71.3 MB in the beginning and 67.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:14:58,990 INFO L168 Benchmark]: RCFGBuilder took 1913.43 ms. Allocated memory was 117.4 MB in the beginning and 151.0 MB in the end (delta: 33.6 MB). Free memory was 67.1 MB in the beginning and 90.8 MB in the end (delta: -23.7 MB). Peak memory consumption was 45.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:14:58,991 INFO L168 Benchmark]: TraceAbstraction took 14159.68 ms. Allocated memory was 151.0 MB in the beginning and 314.6 MB in the end (delta: 163.6 MB). Free memory was 89.6 MB in the beginning and 220.3 MB in the end (delta: -130.7 MB). Peak memory consumption was 32.8 MB. Max. memory is 16.1 GB. [2020-11-28 03:14:58,991 INFO L168 Benchmark]: Witness Printer took 250.89 ms. Allocated memory is still 314.6 MB. Free memory was 220.3 MB in the beginning and 205.6 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-28 03:14:58,994 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 117.4 MB. Free memory was 91.8 MB in the beginning and 91.8 MB in the end (delta: 29.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 930.63 ms. Allocated memory is still 117.4 MB. Free memory was 80.1 MB in the beginning and 76.6 MB in the end (delta: 3.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 117.57 ms. Allocated memory is still 117.4 MB. Free memory was 76.6 MB in the beginning and 71.3 MB in the end (delta: 5.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 143.48 ms. Allocated memory is still 117.4 MB. Free memory was 71.3 MB in the beginning and 67.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1913.43 ms. Allocated memory was 117.4 MB in the beginning and 151.0 MB in the end (delta: 33.6 MB). Free memory was 67.1 MB in the beginning and 90.8 MB in the end (delta: -23.7 MB). Peak memory consumption was 45.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 14159.68 ms. Allocated memory was 151.0 MB in the beginning and 314.6 MB in the end (delta: 163.6 MB). Free memory was 89.6 MB in the beginning and 220.3 MB in the end (delta: -130.7 MB). Peak memory consumption was 32.8 MB. Max. memory is 16.1 GB. * Witness Printer took 250.89 ms. Allocated memory is still 314.6 MB. Free memory was 220.3 MB in the beginning and 205.6 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: 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: 610]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: (((((a19 == 1 && 8 <= a17) && !(a11 == 1)) && a17 <= 8) || (a28 <= 7 && a17 <= 8)) || (((!(a11 == 1) && a17 <= 8) && a25 <= 0) && a28 <= 10)) || ((9 <= a28 && a17 <= 8) && a28 <= 10) - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: (((((a19 == 1 && 8 <= a17) && !(a11 == 1)) && a17 <= 8) || (a28 <= 7 && a17 <= 8)) || (((!(a11 == 1) && a17 <= 8) && a25 <= 0) && a28 <= 10)) || ((9 <= a28 && a17 <= 8) && a28 <= 10) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 228 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.6s, OverallIterations: 10, TraceHistogramMax: 5, AutomataDifference: 8.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 774 SDtfs, 1264 SDslu, 97 SDs, 0 SdLazy, 3286 SolverSat, 590 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 551 GetRequests, 532 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2118occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 988 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 35 NumberOfFragments, 93 HoareAnnotationTreeSize, 3 FomulaSimplifications, 724 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 198 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 2040 NumberOfCodeBlocks, 2040 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2027 ConstructedInterpolants, 0 QuantifiedInterpolants, 1207272 SizeOfPredicates, 3 NumberOfNonLiveVariables, 997 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 13 InterpolantComputations, 10 PerfectInterpolantSequences, 888/970 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...