./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/elevator_spec2_product26.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51342164-728e-4883-9bf8-7230d7bf4956/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51342164-728e-4883-9bf8-7230d7bf4956/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51342164-728e-4883-9bf8-7230d7bf4956/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51342164-728e-4883-9bf8-7230d7bf4956/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/elevator_spec2_product26.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51342164-728e-4883-9bf8-7230d7bf4956/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51342164-728e-4883-9bf8-7230d7bf4956/bin/uautomizer-WNIpwEf4Nt --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 42f45ece0ee2bf688d36f95591b5c5b71ec40e12 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 00:32:05,356 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:32:05,361 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:32:05,436 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:32:05,437 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:32:05,443 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:32:05,446 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:32:05,450 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:32:05,453 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:32:05,455 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:32:05,456 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:32:05,458 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:32:05,458 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:32:05,460 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:32:05,462 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:32:05,465 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:32:05,466 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:32:05,467 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:32:05,470 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:32:05,474 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:32:05,476 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:32:05,478 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:32:05,480 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:32:05,481 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:32:05,486 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:32:05,487 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:32:05,488 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:32:05,489 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:32:05,490 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:32:05,491 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:32:05,492 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:32:05,493 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:32:05,494 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:32:05,496 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:32:05,497 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:32:05,498 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:32:05,499 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:32:05,500 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:32:05,500 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:32:05,502 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:32:05,503 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:32:05,504 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51342164-728e-4883-9bf8-7230d7bf4956/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-13 00:32:05,534 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:32:05,534 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:32:05,535 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:32:05,535 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:32:05,537 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:32:05,538 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:32:05,538 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:32:05,539 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-13 00:32:05,539 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-13 00:32:05,540 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-13 00:32:05,540 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-13 00:32:05,541 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-13 00:32:05,541 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-13 00:32:05,542 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:32:05,542 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 00:32:05,543 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 00:32:05,543 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:32:05,544 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 00:32:05,544 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:32:05,545 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-13 00:32:05,545 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-13 00:32:05,545 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-13 00:32:05,546 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 00:32:05,546 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:32:05,546 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-13 00:32:05,547 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:32:05,547 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-13 00:32:05,547 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:32:05,548 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:32:05,548 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:32:05,548 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:32:05,549 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:32:05,550 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-13 00:32:05,550 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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_worker_vcloud-master_on_vcloud-master/run_dir_51342164-728e-4883-9bf8-7230d7bf4956/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51342164-728e-4883-9bf8-7230d7bf4956/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 42f45ece0ee2bf688d36f95591b5c5b71ec40e12 [2021-10-13 00:32:05,876 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:32:05,903 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:32:05,906 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:32:05,908 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:32:05,909 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:32:05,910 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51342164-728e-4883-9bf8-7230d7bf4956/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/product-lines/elevator_spec2_product26.cil.c [2021-10-13 00:32:06,011 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51342164-728e-4883-9bf8-7230d7bf4956/bin/uautomizer-WNIpwEf4Nt/data/cf0a8b9de/31759d026c9944dda7c0fdba516ed37e/FLAG121a69453 [2021-10-13 00:32:06,743 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:32:06,744 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51342164-728e-4883-9bf8-7230d7bf4956/sv-benchmarks/c/product-lines/elevator_spec2_product26.cil.c [2021-10-13 00:32:06,783 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51342164-728e-4883-9bf8-7230d7bf4956/bin/uautomizer-WNIpwEf4Nt/data/cf0a8b9de/31759d026c9944dda7c0fdba516ed37e/FLAG121a69453 [2021-10-13 00:32:06,889 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51342164-728e-4883-9bf8-7230d7bf4956/bin/uautomizer-WNIpwEf4Nt/data/cf0a8b9de/31759d026c9944dda7c0fdba516ed37e [2021-10-13 00:32:06,892 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:32:06,894 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:32:06,900 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:32:06,900 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:32:06,905 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:32:06,906 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:32:06" (1/1) ... [2021-10-13 00:32:06,909 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76f7c6e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:32:06, skipping insertion in model container [2021-10-13 00:32:06,909 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:32:06" (1/1) ... [2021-10-13 00:32:06,921 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:32:07,007 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:32:07,732 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51342164-728e-4883-9bf8-7230d7bf4956/sv-benchmarks/c/product-lines/elevator_spec2_product26.cil.c[69974,69987] [2021-10-13 00:32:07,739 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:32:07,764 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:32:07,948 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51342164-728e-4883-9bf8-7230d7bf4956/sv-benchmarks/c/product-lines/elevator_spec2_product26.cil.c[69974,69987] [2021-10-13 00:32:07,951 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:32:07,989 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:32:07,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:32:07 WrapperNode [2021-10-13 00:32:07,990 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:32:07,991 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:32:07,992 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:32:07,992 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:32:08,005 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:32:07" (1/1) ... [2021-10-13 00:32:08,047 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:32:07" (1/1) ... [2021-10-13 00:32:08,483 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:32:08,484 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:32:08,484 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:32:08,484 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:32:08,495 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:32:07" (1/1) ... [2021-10-13 00:32:08,495 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:32:07" (1/1) ... [2021-10-13 00:32:08,608 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:32:07" (1/1) ... [2021-10-13 00:32:08,609 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:32:07" (1/1) ... [2021-10-13 00:32:08,745 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:32:07" (1/1) ... [2021-10-13 00:32:08,911 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:32:07" (1/1) ... [2021-10-13 00:32:08,962 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:32:07" (1/1) ... [2021-10-13 00:32:09,014 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:32:09,015 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:32:09,015 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:32:09,016 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:32:09,018 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:32:07" (1/1) ... [2021-10-13 00:32:09,028 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:32:09,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51342164-728e-4883-9bf8-7230d7bf4956/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:32:09,061 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51342164-728e-4883-9bf8-7230d7bf4956/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:32:09,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51342164-728e-4883-9bf8-7230d7bf4956/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-13 00:32:09,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:32:09,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 00:32:09,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:32:09,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:32:19,432 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:32:19,432 INFO L299 CfgBuilder]: Removed 1125 assume(true) statements. [2021-10-13 00:32:19,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:32:19 BoogieIcfgContainer [2021-10-13 00:32:19,444 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:32:19,448 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-13 00:32:19,448 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-13 00:32:19,452 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-13 00:32:19,453 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:32:19,454 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 12:32:06" (1/3) ... [2021-10-13 00:32:19,455 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@433f5bd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:32:19, skipping insertion in model container [2021-10-13 00:32:19,456 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:32:19,456 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:32:07" (2/3) ... [2021-10-13 00:32:19,457 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@433f5bd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:32:19, skipping insertion in model container [2021-10-13 00:32:19,457 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:32:19,457 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:32:19" (3/3) ... [2021-10-13 00:32:19,459 INFO L389 chiAutomizerObserver]: Analyzing ICFG elevator_spec2_product26.cil.c [2021-10-13 00:32:19,535 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-13 00:32:19,536 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-13 00:32:19,536 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-13 00:32:19,536 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-13 00:32:19,536 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-13 00:32:19,537 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-13 00:32:19,537 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-13 00:32:19,537 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-13 00:32:19,683 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 4855 states, 4854 states have (on average 1.8928718582612278) internal successors, (9188), 4854 states have internal predecessors, (9188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:32:19,877 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2417 [2021-10-13 00:32:19,877 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:32:19,878 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:32:19,903 INFO L842 BuchiCegarLoop]: Counterexample stem 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] [2021-10-13 00:32:19,904 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:32:19,904 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-13 00:32:19,922 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 4855 states, 4854 states have (on average 1.8928718582612278) internal successors, (9188), 4854 states have internal predecessors, (9188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:32:20,020 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2417 [2021-10-13 00:32:20,021 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:32:20,021 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:32:20,027 INFO L842 BuchiCegarLoop]: Counterexample stem 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] [2021-10-13 00:32:20,027 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:32:20,044 INFO L791 eck$LassoCheckResult]: Stem: 2929#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(10);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string70.base, #t~string70.offset, 1);call write~init~int(95, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(93, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 3 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string72.base, #t~string72.offset, 1);call write~init~int(93, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(32, #t~string72.base, 2 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 3 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(5);call write~init~int(32, #t~string74.base, #t~string74.offset, 1);call write~init~int(97, #t~string74.base, 1 + #t~string74.offset, 1);call write~init~int(116, #t~string74.base, 2 + #t~string74.offset, 1);call write~init~int(32, #t~string74.base, 3 + #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 4 + #t~string74.offset, 1);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(3);call write~init~int(37, #t~string76.base, #t~string76.offset, 1);call write~init~int(105, #t~string76.base, 1 + #t~string76.offset, 1);call write~init~int(0, #t~string76.base, 2 + #t~string76.offset, 1);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(10);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(3);call write~init~int(117, #t~string80.base, #t~string80.offset, 1);call write~init~int(112, #t~string80.base, 1 + #t~string80.offset, 1);call write~init~int(0, #t~string80.base, 2 + #t~string80.offset, 1);call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(5);call write~init~int(100, #t~string82.base, #t~string82.offset, 1);call write~init~int(111, #t~string82.base, 1 + #t~string82.offset, 1);call write~init~int(119, #t~string82.base, 2 + #t~string82.offset, 1);call write~init~int(110, #t~string82.base, 3 + #t~string82.offset, 1);call write~init~int(0, #t~string82.base, 4 + #t~string82.offset, 1);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(7);call write~init~int(32, #t~string84.base, #t~string84.offset, 1);call write~init~int(73, #t~string84.base, 1 + #t~string84.offset, 1);call write~init~int(76, #t~string84.base, 2 + #t~string84.offset, 1);call write~init~int(95, #t~string84.base, 3 + #t~string84.offset, 1);call write~init~int(112, #t~string84.base, 4 + #t~string84.offset, 1);call write~init~int(58, #t~string84.base, 5 + #t~string84.offset, 1);call write~init~int(0, #t~string84.base, 6 + #t~string84.offset, 1);call #t~string86.base, #t~string86.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string86.base, #t~string86.offset, 1);call write~init~int(37, #t~string86.base, 1 + #t~string86.offset, 1);call write~init~int(105, #t~string86.base, 2 + #t~string86.offset, 1);call write~init~int(0, #t~string86.base, 3 + #t~string86.offset, 1);call #t~string88.base, #t~string88.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string88.base, #t~string88.offset, 1);call write~init~int(37, #t~string88.base, 1 + #t~string88.offset, 1);call write~init~int(105, #t~string88.base, 2 + #t~string88.offset, 1);call write~init~int(0, #t~string88.base, 3 + #t~string88.offset, 1);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string90.base, #t~string90.offset, 1);call write~init~int(37, #t~string90.base, 1 + #t~string90.offset, 1);call write~init~int(105, #t~string90.base, 2 + #t~string90.offset, 1);call write~init~int(0, #t~string90.base, 3 + #t~string90.offset, 1);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string92.base, #t~string92.offset, 1);call write~init~int(37, #t~string92.base, 1 + #t~string92.offset, 1);call write~init~int(105, #t~string92.base, 2 + #t~string92.offset, 1);call write~init~int(0, #t~string92.base, 3 + #t~string92.offset, 1);call #t~string94.base, #t~string94.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string94.base, #t~string94.offset, 1);call write~init~int(37, #t~string94.base, 1 + #t~string94.offset, 1);call write~init~int(105, #t~string94.base, 2 + #t~string94.offset, 1);call write~init~int(0, #t~string94.base, 3 + #t~string94.offset, 1);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(6);call write~init~int(32, #t~string96.base, #t~string96.offset, 1);call write~init~int(70, #t~string96.base, 1 + #t~string96.offset, 1);call write~init~int(95, #t~string96.base, 2 + #t~string96.offset, 1);call write~init~int(112, #t~string96.base, 3 + #t~string96.offset, 1);call write~init~int(58, #t~string96.base, 4 + #t~string96.offset, 1);call write~init~int(0, #t~string96.base, 5 + #t~string96.offset, 1);call #t~string99.base, #t~string99.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string99.base, #t~string99.offset, 1);call write~init~int(37, #t~string99.base, 1 + #t~string99.offset, 1);call write~init~int(105, #t~string99.base, 2 + #t~string99.offset, 1);call write~init~int(0, #t~string99.base, 3 + #t~string99.offset, 1);call #t~string102.base, #t~string102.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string102.base, #t~string102.offset, 1);call write~init~int(37, #t~string102.base, 1 + #t~string102.offset, 1);call write~init~int(105, #t~string102.base, 2 + #t~string102.offset, 1);call write~init~int(0, #t~string102.base, 3 + #t~string102.offset, 1);call #t~string105.base, #t~string105.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string105.base, #t~string105.offset, 1);call write~init~int(37, #t~string105.base, 1 + #t~string105.offset, 1);call write~init~int(105, #t~string105.base, 2 + #t~string105.offset, 1);call write~init~int(0, #t~string105.base, 3 + #t~string105.offset, 1);call #t~string108.base, #t~string108.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string108.base, #t~string108.offset, 1);call write~init~int(37, #t~string108.base, 1 + #t~string108.offset, 1);call write~init~int(105, #t~string108.base, 2 + #t~string108.offset, 1);call write~init~int(0, #t~string108.base, 3 + #t~string108.offset, 1);call #t~string111.base, #t~string111.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string111.base, #t~string111.offset, 1);call write~init~int(37, #t~string111.base, 1 + #t~string111.offset, 1);call write~init~int(105, #t~string111.base, 2 + #t~string111.offset, 1);call write~init~int(0, #t~string111.base, 3 + #t~string111.offset, 1);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string113.base, #t~string113.offset, 1);call write~init~int(0, #t~string113.base, 1 + #t~string113.offset, 1);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(9);call #t~string136.base, #t~string136.offset := #Ultimate.allocOnStack(30);call #t~string137.base, #t~string137.offset := #Ultimate.allocOnStack(9);call #t~string138.base, #t~string138.offset := #Ultimate.allocOnStack(21);call #t~string139.base, #t~string139.offset := #Ultimate.allocOnStack(30);call #t~string140.base, #t~string140.offset := #Ultimate.allocOnStack(9);call #t~string141.base, #t~string141.offset := #Ultimate.allocOnStack(21);call #t~string145.base, #t~string145.offset := #Ultimate.allocOnStack(30);call #t~string146.base, #t~string146.offset := #Ultimate.allocOnStack(9);call #t~string147.base, #t~string147.offset := #Ultimate.allocOnStack(25);call #t~string148.base, #t~string148.offset := #Ultimate.allocOnStack(30);call #t~string149.base, #t~string149.offset := #Ultimate.allocOnStack(9);call #t~string150.base, #t~string150.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 12;~weight~0 := 0;~maximumWeight~0 := 100;~blocked~0 := 0;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~calls_0~0 := 0;~calls_1~0 := 0;~calls_2~0 := 0;~calls_3~0 := 0;~calls_4~0 := 0;~personOnFloor_0_0~0 := 0;~personOnFloor_0_1~0 := 0;~personOnFloor_0_2~0 := 0;~personOnFloor_0_3~0 := 0;~personOnFloor_0_4~0 := 0;~personOnFloor_1_0~0 := 0;~personOnFloor_1_1~0 := 0;~personOnFloor_1_2~0 := 0;~personOnFloor_1_3~0 := 0;~personOnFloor_1_4~0 := 0;~personOnFloor_2_0~0 := 0;~personOnFloor_2_1~0 := 0;~personOnFloor_2_2~0 := 0;~personOnFloor_2_3~0 := 0;~personOnFloor_2_4~0 := 0;~personOnFloor_3_0~0 := 0;~personOnFloor_3_1~0 := 0;~personOnFloor_3_2~0 := 0;~personOnFloor_3_3~0 := 0;~personOnFloor_3_4~0 := 0;~personOnFloor_4_0~0 := 0;~personOnFloor_4_1~0 := 0;~personOnFloor_4_2~0 := 0;~personOnFloor_4_3~0 := 0;~personOnFloor_4_4~0 := 0;~personOnFloor_5_0~0 := 0;~personOnFloor_5_1~0 := 0;~personOnFloor_5_2~0 := 0;~personOnFloor_5_3~0 := 0;~personOnFloor_5_4~0 := 0;~floorButtons_spc2_0~0 := 0;~floorButtons_spc2_1~0 := 0;~floorButtons_spc2_2~0 := 0;~floorButtons_spc2_3~0 := 0;~floorButtons_spc2_4~0 := 0; 4757#L-1true havoc main_#res;havoc main_#t~ret20, main_~retValue_acc~1, main_~tmp~8;havoc main_~retValue_acc~1;havoc main_~tmp~8; 3467#L2451true havoc valid_product_#res;havoc valid_product_~retValue_acc~22;havoc valid_product_~retValue_acc~22;valid_product_~retValue_acc~22 := 1;valid_product_#res := valid_product_~retValue_acc~22; 2356#L2459true main_#t~ret20 := valid_product_#res;main_~tmp~8 := main_#t~ret20;havoc main_#t~ret20; 2167#L391true assume 0 != main_~tmp~8; 3287#L360true ~floorButtons_spc2_0~0 := 0;~floorButtons_spc2_1~0 := 0;~floorButtons_spc2_2~0 := 0;~floorButtons_spc2_3~0 := 0;~floorButtons_spc2_4~0 := 0; 2266#L3140true havoc bigMacCall_#t~ret13, bigMacCall_~tmp~5;havoc bigMacCall_~tmp~5;getOrigin_#in~person := 5;havoc getOrigin_#res;havoc getOrigin_~person, getOrigin_~retValue_acc~16;getOrigin_~person := getOrigin_#in~person;havoc getOrigin_~retValue_acc~16; 1235#L1976true assume 0 == getOrigin_~person;getOrigin_~retValue_acc~16 := 4;getOrigin_#res := getOrigin_~retValue_acc~16; 3026#L2001true bigMacCall_#t~ret13 := getOrigin_#res;bigMacCall_~tmp~5 := bigMacCall_#t~ret13;havoc bigMacCall_#t~ret13;initPersonOnFloor_#in~person, initPersonOnFloor_#in~floor := 5, bigMacCall_~tmp~5;havoc initPersonOnFloor_~person, initPersonOnFloor_~floor;initPersonOnFloor_~person := initPersonOnFloor_#in~person;initPersonOnFloor_~floor := initPersonOnFloor_#in~floor; 4048#L2817true assume 0 == initPersonOnFloor_~floor; 343#L2818true assume 0 == initPersonOnFloor_~person;~personOnFloor_0_0~0 := 1; 3323#L2925-1true callOnFloor_#in~floorID := initPersonOnFloor_~floor;havoc callOnFloor_~floorID;callOnFloor_~floorID := callOnFloor_#in~floorID; 2498#L2609true assume 0 == callOnFloor_~floorID;~calls_0~0 := 1; 509#L2621-2true havoc cleanup_#t~ret14, cleanup_#t~ret15, cleanup_~i~0, cleanup_~tmp~6, cleanup_~tmp___0~0, cleanup_~__cil_tmp4~0;havoc cleanup_~i~0;havoc cleanup_~tmp~6;havoc cleanup_~tmp___0~0;havoc cleanup_~__cil_tmp4~0;havoc timeShift_#t~ret67, timeShift_~tmp~19;havoc timeShift_~tmp~19;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~4;havoc areDoorsOpen_~retValue_acc~4;areDoorsOpen_~retValue_acc~4 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~4; 3869#L676true timeShift_#t~ret67 := areDoorsOpen_#res;timeShift_~tmp~19 := timeShift_#t~ret67;havoc timeShift_#t~ret67; 1942#L1559true assume 0 != timeShift_~tmp~19; 901#L1560true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 2009#L1263-11true havoc __utac_acc__Specification2_spec__3_#t~ret154, __utac_acc__Specification2_spec__3_#t~ret155, __utac_acc__Specification2_spec__3_#t~ret156, __utac_acc__Specification2_spec__3_#t~ret157, __utac_acc__Specification2_spec__3_#t~ret158, __utac_acc__Specification2_spec__3_#t~ret159, __utac_acc__Specification2_spec__3_~floor~0, __utac_acc__Specification2_spec__3_~tmp~25, __utac_acc__Specification2_spec__3_~tmp___0~8, __utac_acc__Specification2_spec__3_~tmp___1~6, __utac_acc__Specification2_spec__3_~tmp___2~6, __utac_acc__Specification2_spec__3_~tmp___3~5, __utac_acc__Specification2_spec__3_~tmp___4~3;havoc __utac_acc__Specification2_spec__3_~floor~0;havoc __utac_acc__Specification2_spec__3_~tmp~25;havoc __utac_acc__Specification2_spec__3_~tmp___0~8;havoc __utac_acc__Specification2_spec__3_~tmp___1~6;havoc __utac_acc__Specification2_spec__3_~tmp___2~6;havoc __utac_acc__Specification2_spec__3_~tmp___3~5;havoc __utac_acc__Specification2_spec__3_~tmp___4~3;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~3;havoc getCurrentFloorID_~retValue_acc~3;getCurrentFloorID_~retValue_acc~3 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~3; 191#L667true __utac_acc__Specification2_spec__3_#t~ret154 := getCurrentFloorID_#res;__utac_acc__Specification2_spec__3_~tmp~25 := __utac_acc__Specification2_spec__3_#t~ret154;havoc __utac_acc__Specification2_spec__3_#t~ret154;__utac_acc__Specification2_spec__3_~floor~0 := __utac_acc__Specification2_spec__3_~tmp~25; 3144#L3185true assume 0 == __utac_acc__Specification2_spec__3_~floor~0; 2614#L3186true assume 0 != ~floorButtons_spc2_0~0;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~4;havoc areDoorsOpen_~retValue_acc~4;areDoorsOpen_~retValue_acc~4 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~4; 790#L676-1true __utac_acc__Specification2_spec__3_#t~ret155 := areDoorsOpen_#res;__utac_acc__Specification2_spec__3_~tmp___4~3 := __utac_acc__Specification2_spec__3_#t~ret155;havoc __utac_acc__Specification2_spec__3_#t~ret155; 1126#L3190true assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~3;~floorButtons_spc2_0~0 := 0; 3775#L3245true cleanup_~i~0 := 0; 1211#L190-2true [2021-10-13 00:32:20,049 INFO L793 eck$LassoCheckResult]: Loop: 1211#L190-2true assume !false; 2747#L191true cleanup_~__cil_tmp4~0 := ~cleanupTimeShifts~0 - 1; 1755#L194true assume cleanup_~i~0 < cleanup_~__cil_tmp4~0;havoc isBlocked_#res;havoc isBlocked_~retValue_acc~2;havoc isBlocked_~retValue_acc~2;isBlocked_~retValue_acc~2 := ~blocked~0;isBlocked_#res := isBlocked_~retValue_acc~2; 4540#L489true cleanup_#t~ret14 := isBlocked_#res;cleanup_~tmp___0~0 := cleanup_#t~ret14;havoc cleanup_#t~ret14; 2445#L198true assume 1 != cleanup_~tmp___0~0; 4344#L198-1true havoc isIdle_#res;havoc isIdle_#t~ret29, isIdle_~retValue_acc~9, isIdle_~tmp~13;havoc isIdle_~retValue_acc~9;havoc isIdle_~tmp~13;havoc anyStopRequested_#res;havoc anyStopRequested_#t~ret24, anyStopRequested_#t~ret25, anyStopRequested_#t~ret26, anyStopRequested_#t~ret27, anyStopRequested_#t~ret28, anyStopRequested_~retValue_acc~8, anyStopRequested_~tmp~12, anyStopRequested_~tmp___0~2, anyStopRequested_~tmp___1~1, anyStopRequested_~tmp___2~1, anyStopRequested_~tmp___3~0;havoc anyStopRequested_~retValue_acc~8;havoc anyStopRequested_~tmp~12;havoc anyStopRequested_~tmp___0~2;havoc anyStopRequested_~tmp___1~1;havoc anyStopRequested_~tmp___2~1;havoc anyStopRequested_~tmp___3~0;isFloorCalling_#in~floorID := 0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~23;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~23; 1963#L2546-42true assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~23 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~23; 2024#L2573-42true anyStopRequested_#t~ret24 := isFloorCalling_#res;anyStopRequested_~tmp___3~0 := anyStopRequested_#t~ret24;havoc anyStopRequested_#t~ret24; 3456#L775true assume 0 != anyStopRequested_~tmp___3~0;anyStopRequested_~retValue_acc~8 := 1;anyStopRequested_#res := anyStopRequested_~retValue_acc~8; 3991#L839true isIdle_#t~ret29 := anyStopRequested_#res;isIdle_~tmp~13 := isIdle_#t~ret29;havoc isIdle_#t~ret29;isIdle_~retValue_acc~9 := (if 0 == isIdle_~tmp~13 then 1 else 0);isIdle_#res := isIdle_~retValue_acc~9; 3124#L852true cleanup_#t~ret15 := isIdle_#res;cleanup_~tmp~6 := cleanup_#t~ret15;havoc cleanup_#t~ret15; 4122#L210true assume !(0 != cleanup_~tmp~6);havoc timeShift_#t~ret67, timeShift_~tmp~19;havoc timeShift_~tmp~19;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~4;havoc areDoorsOpen_~retValue_acc~4;areDoorsOpen_~retValue_acc~4 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~4; 1396#L676-6true timeShift_#t~ret67 := areDoorsOpen_#res;timeShift_~tmp~19 := timeShift_#t~ret67;havoc timeShift_#t~ret67; 4351#L1559-1true assume 0 != timeShift_~tmp~19; 2143#L1560-2true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 3984#L1263-23true havoc __utac_acc__Specification2_spec__3_#t~ret154, __utac_acc__Specification2_spec__3_#t~ret155, __utac_acc__Specification2_spec__3_#t~ret156, __utac_acc__Specification2_spec__3_#t~ret157, __utac_acc__Specification2_spec__3_#t~ret158, __utac_acc__Specification2_spec__3_#t~ret159, __utac_acc__Specification2_spec__3_~floor~0, __utac_acc__Specification2_spec__3_~tmp~25, __utac_acc__Specification2_spec__3_~tmp___0~8, __utac_acc__Specification2_spec__3_~tmp___1~6, __utac_acc__Specification2_spec__3_~tmp___2~6, __utac_acc__Specification2_spec__3_~tmp___3~5, __utac_acc__Specification2_spec__3_~tmp___4~3;havoc __utac_acc__Specification2_spec__3_~floor~0;havoc __utac_acc__Specification2_spec__3_~tmp~25;havoc __utac_acc__Specification2_spec__3_~tmp___0~8;havoc __utac_acc__Specification2_spec__3_~tmp___1~6;havoc __utac_acc__Specification2_spec__3_~tmp___2~6;havoc __utac_acc__Specification2_spec__3_~tmp___3~5;havoc __utac_acc__Specification2_spec__3_~tmp___4~3;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~3;havoc getCurrentFloorID_~retValue_acc~3;getCurrentFloorID_~retValue_acc~3 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~3; 2626#L667-1true __utac_acc__Specification2_spec__3_#t~ret154 := getCurrentFloorID_#res;__utac_acc__Specification2_spec__3_~tmp~25 := __utac_acc__Specification2_spec__3_#t~ret154;havoc __utac_acc__Specification2_spec__3_#t~ret154;__utac_acc__Specification2_spec__3_~floor~0 := __utac_acc__Specification2_spec__3_~tmp~25; 2301#L3185-1true assume 0 == __utac_acc__Specification2_spec__3_~floor~0; 3444#L3186-1true assume 0 != ~floorButtons_spc2_0~0;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~4;havoc areDoorsOpen_~retValue_acc~4;areDoorsOpen_~retValue_acc~4 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~4; 892#L676-7true __utac_acc__Specification2_spec__3_#t~ret155 := areDoorsOpen_#res;__utac_acc__Specification2_spec__3_~tmp___4~3 := __utac_acc__Specification2_spec__3_#t~ret155;havoc __utac_acc__Specification2_spec__3_#t~ret155; 436#L3190-2true assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~3;~floorButtons_spc2_0~0 := 0; 839#L3245-1true cleanup_~i~0 := 1 + cleanup_~i~0; 1211#L190-2true [2021-10-13 00:32:20,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:32:20,057 INFO L82 PathProgramCache]: Analyzing trace with hash -1323712467, now seen corresponding path program 1 times [2021-10-13 00:32:20,069 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:32:20,070 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786733894] [2021-10-13 00:32:20,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:32:20,071 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:32:20,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:32:20,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:32:20,539 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:32:20,539 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786733894] [2021-10-13 00:32:20,541 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786733894] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:32:20,542 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:32:20,542 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:32:20,545 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829107813] [2021-10-13 00:32:20,556 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-13 00:32:20,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:32:20,560 INFO L82 PathProgramCache]: Analyzing trace with hash 2119774427, now seen corresponding path program 1 times [2021-10-13 00:32:20,561 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:32:20,561 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085632802] [2021-10-13 00:32:20,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:32:20,562 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:32:20,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:32:20,607 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:32:20,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:32:20,706 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:32:21,520 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:32:21,521 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:32:21,521 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:32:21,521 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:32:21,521 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-13 00:32:21,521 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:32:21,522 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:32:21,522 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:32:21,522 INFO L133 ssoRankerPreferences]: Filename of dumped script: elevator_spec2_product26.cil.c_Iteration1_Loop [2021-10-13 00:32:21,522 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:32:21,522 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:32:21,560 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:32:21,566 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:32:21,573 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:32:21,588 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:32:21,591 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:32:21,602 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:32:21,604 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:32:21,608 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:32:21,614 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:32:21,619 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:32:21,621 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:32:21,623 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:32:21,626 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:32:21,628 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:32:21,638 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:32:21,641 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:32:21,644 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:32:21,646 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:32:21,650 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:32:21,652 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:32:21,654 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:32:21,657 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:32:21,665 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:32:21,668 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:32:21,672 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:32:21,684 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:32:21,687 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:32:21,700 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:32:21,709 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:32:21,712 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:32:21,715 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:32:21,717 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:32:21,720 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:32:21,723 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:32:22,232 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:32:22,233 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-13 00:32:22,236 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:32:22,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51342164-728e-4883-9bf8-7230d7bf4956/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:32:22,240 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51342164-728e-4883-9bf8-7230d7bf4956/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:32:22,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51342164-728e-4883-9bf8-7230d7bf4956/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-13 00:32:22,246 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:32:22,246 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:32:22,281 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:32:22,281 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_isIdle_#t~ret29=0} Honda state: {ULTIMATE.start_isIdle_#t~ret29=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:32:22,330 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51342164-728e-4883-9bf8-7230d7bf4956/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-13 00:32:22,330 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:32:22,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51342164-728e-4883-9bf8-7230d7bf4956/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:32:22,332 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51342164-728e-4883-9bf8-7230d7bf4956/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:32:22,344 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:32:22,344 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:32:22,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51342164-728e-4883-9bf8-7230d7bf4956/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-13 00:32:22,370 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:32:22,370 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___utac_acc__Specification2_spec__3_~tmp___1~6=0} Honda state: {ULTIMATE.start___utac_acc__Specification2_spec__3_~tmp___1~6=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:32:22,442 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51342164-728e-4883-9bf8-7230d7bf4956/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-13 00:32:22,442 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:32:22,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51342164-728e-4883-9bf8-7230d7bf4956/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:32:22,444 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51342164-728e-4883-9bf8-7230d7bf4956/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:32:22,457 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:32:22,457 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:32:22,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51342164-728e-4883-9bf8-7230d7bf4956/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-13 00:32:22,515 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:32:22,515 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_areDoorsOpen_#res=-8, ULTIMATE.start_areDoorsOpen_~retValue_acc~4=-8, ULTIMATE.start_timeShift_~tmp~19=-8, ~doorState~0=-8, ULTIMATE.start___utac_acc__Specification2_spec__3_~tmp___4~3=-8} Honda state: {ULTIMATE.start_areDoorsOpen_#res=-8, ULTIMATE.start_areDoorsOpen_~retValue_acc~4=-8, ULTIMATE.start_timeShift_~tmp~19=-8, ~doorState~0=-8, ULTIMATE.start___utac_acc__Specification2_spec__3_~tmp___4~3=-8} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:32:22,575 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51342164-728e-4883-9bf8-7230d7bf4956/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-13 00:32:22,576 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:32:22,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51342164-728e-4883-9bf8-7230d7bf4956/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:32:22,578 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51342164-728e-4883-9bf8-7230d7bf4956/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:32:22,584 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:32:22,584 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:32:22,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51342164-728e-4883-9bf8-7230d7bf4956/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-13 00:32:22,636 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:32:22,637 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_anyStopRequested_~tmp___1~1=0} Honda state: {ULTIMATE.start_anyStopRequested_~tmp___1~1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:32:22,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51342164-728e-4883-9bf8-7230d7bf4956/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-13 00:32:22,678 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:32:22,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51342164-728e-4883-9bf8-7230d7bf4956/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:32:22,680 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51342164-728e-4883-9bf8-7230d7bf4956/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:32:22,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51342164-728e-4883-9bf8-7230d7bf4956/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-13 00:32:22,688 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:32:22,689 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:32:22,760 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51342164-728e-4883-9bf8-7230d7bf4956/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-13 00:32:22,760 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:32:22,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51342164-728e-4883-9bf8-7230d7bf4956/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:32:22,762 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51342164-728e-4883-9bf8-7230d7bf4956/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:32:22,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51342164-728e-4883-9bf8-7230d7bf4956/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-13 00:32:22,772 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-13 00:32:22,774 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:32:23,497 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-13 00:32:23,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51342164-728e-4883-9bf8-7230d7bf4956/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-13 00:32:23,505 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:32:23,505 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:32:23,505 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:32:23,505 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:32:23,505 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 00:32:23,506 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:32:23,506 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:32:23,506 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:32:23,506 INFO L133 ssoRankerPreferences]: Filename of dumped script: elevator_spec2_product26.cil.c_Iteration1_Loop [2021-10-13 00:32:23,506 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:32:23,506 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:32:23,510 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:32:23,514 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:32:23,525 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:32:23,527 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:32:23,530 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:32:23,540 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:32:23,544 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:32:23,554 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:32:23,558 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:32:23,566 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:32:23,569 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:32:23,572 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:32:23,575 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:32:23,578 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:32:23,588 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:32:23,591 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:32:23,599 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:32:23,602 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:32:23,606 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:32:23,608 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:32:23,610 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:32:23,618 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:32:23,621 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:32:23,624 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:32:23,635 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:32:23,637 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:32:23,639 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:32:23,641 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:32:23,652 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:32:23,659 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:32:23,662 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:32:23,664 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:32:23,667 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:32:23,669 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:32:24,102 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:32:24,106 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 00:32:24,107 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:32:24,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51342164-728e-4883-9bf8-7230d7bf4956/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:32:24,113 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51342164-728e-4883-9bf8-7230d7bf4956/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:32:24,115 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:32:24,124 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:32:24,125 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:32:24,125 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:32:24,125 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:32:24,125 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:32:24,127 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:32:24,127 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:32:24,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51342164-728e-4883-9bf8-7230d7bf4956/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-13 00:32:24,144 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:32:24,185 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51342164-728e-4883-9bf8-7230d7bf4956/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-13 00:32:24,185 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:32:24,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51342164-728e-4883-9bf8-7230d7bf4956/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:32:24,187 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51342164-728e-4883-9bf8-7230d7bf4956/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:32:24,193 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:32:24,205 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:32:24,205 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:32:24,205 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:32:24,206 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-13 00:32:24,206 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:32:24,212 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-13 00:32:24,212 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:32:24,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51342164-728e-4883-9bf8-7230d7bf4956/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-13 00:32:24,232 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:32:24,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51342164-728e-4883-9bf8-7230d7bf4956/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-13 00:32:24,276 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:32:24,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51342164-728e-4883-9bf8-7230d7bf4956/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:32:24,278 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51342164-728e-4883-9bf8-7230d7bf4956/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:32:24,285 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:32:24,296 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:32:24,296 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:32:24,297 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:32:24,297 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:32:24,297 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:32:24,298 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:32:24,298 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:32:24,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51342164-728e-4883-9bf8-7230d7bf4956/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-13 00:32:24,316 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:32:24,361 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51342164-728e-4883-9bf8-7230d7bf4956/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-13 00:32:24,361 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:32:24,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51342164-728e-4883-9bf8-7230d7bf4956/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:32:24,362 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51342164-728e-4883-9bf8-7230d7bf4956/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:32:24,371 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:32:24,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51342164-728e-4883-9bf8-7230d7bf4956/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-13 00:32:24,383 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:32:24,383 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:32:24,383 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:32:24,383 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:32:24,384 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:32:24,384 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:32:24,384 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:32:24,394 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:32:24,434 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51342164-728e-4883-9bf8-7230d7bf4956/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-13 00:32:24,435 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:32:24,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51342164-728e-4883-9bf8-7230d7bf4956/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:32:24,436 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51342164-728e-4883-9bf8-7230d7bf4956/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:32:24,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51342164-728e-4883-9bf8-7230d7bf4956/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-13 00:32:24,438 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:32:24,447 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:32:24,447 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:32:24,447 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:32:24,447 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:32:24,447 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:32:24,449 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:32:24,449 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:32:24,464 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 00:32:24,491 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-10-13 00:32:24,491 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-10-13 00:32:24,492 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:32:24,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51342164-728e-4883-9bf8-7230d7bf4956/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:32:24,502 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51342164-728e-4883-9bf8-7230d7bf4956/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:32:24,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51342164-728e-4883-9bf8-7230d7bf4956/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-13 00:32:24,539 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 00:32:24,539 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-13 00:32:24,539 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 00:32:24,540 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~cleanupTimeShifts~0, ULTIMATE.start_cleanup_~i~0) = 1*~cleanupTimeShifts~0 - 1*ULTIMATE.start_cleanup_~i~0 Supporting invariants [] [2021-10-13 00:32:24,570 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51342164-728e-4883-9bf8-7230d7bf4956/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-13 00:32:24,573 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-13 00:32:24,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:32:24,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:32:24,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 597 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:32:24,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:32:25,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:32:25,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 00:32:25,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:32:25,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:32:25,348 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-10-13 00:32:25,364 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 4855 states, 4854 states have (on average 1.8928718582612278) internal successors, (9188), 4854 states have internal predecessors, (9188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:32:26,016 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51342164-728e-4883-9bf8-7230d7bf4956/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-13 00:32:26,165 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 4855 states, 4854 states have (on average 1.8928718582612278) internal successors, (9188), 4854 states have internal predecessors, (9188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 7332 states and 13832 transitions. Complement of second has 9 states. [2021-10-13 00:32:26,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2021-10-13 00:32:26,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:32:26,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 9227 transitions. [2021-10-13 00:32:26,186 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 9227 transitions. Stem has 24 letters. Loop has 22 letters. [2021-10-13 00:32:26,188 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:32:26,188 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 9227 transitions. Stem has 46 letters. Loop has 22 letters. [2021-10-13 00:32:26,189 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:32:26,190 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 9227 transitions. Stem has 24 letters. Loop has 44 letters. [2021-10-13 00:32:26,191 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:32:26,192 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7332 states and 13832 transitions. [2021-10-13 00:32:26,286 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 00:32:26,289 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7332 states to 0 states and 0 transitions. [2021-10-13 00:32:26,291 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-13 00:32:26,291 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-13 00:32:26,292 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-13 00:32:26,292 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 00:32:26,292 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:32:26,292 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:32:26,292 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:32:26,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:32:26,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:32:26,299 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:32:26,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:32:26,302 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-10-13 00:32:26,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 00:32:26,303 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-10-13 00:32:26,303 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 00:32:26,303 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 00:32:26,304 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-13 00:32:26,304 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-13 00:32:26,304 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-13 00:32:26,304 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 00:32:26,304 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:32:26,305 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:32:26,305 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:32:26,305 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-13 00:32:26,305 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-13 00:32:26,305 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 00:32:26,305 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-13 00:32:26,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 12:32:26 BoogieIcfgContainer [2021-10-13 00:32:26,312 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-13 00:32:26,313 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:32:26,313 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:32:26,314 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:32:26,314 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:32:19" (3/4) ... [2021-10-13 00:32:26,318 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 00:32:26,318 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:32:26,320 INFO L168 Benchmark]: Toolchain (without parser) took 19425.19 ms. Allocated memory was 117.4 MB in the beginning and 486.5 MB in the end (delta: 369.1 MB). Free memory was 75.4 MB in the beginning and 266.7 MB in the end (delta: -191.4 MB). Peak memory consumption was 178.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:32:26,321 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 117.4 MB. Free memory is still 95.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:32:26,322 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1090.22 ms. Allocated memory is still 117.4 MB. Free memory was 75.2 MB in the beginning and 65.5 MB in the end (delta: 9.6 MB). Peak memory consumption was 12.9 MB. Max. memory is 16.1 GB. [2021-10-13 00:32:26,323 INFO L168 Benchmark]: Boogie Procedure Inliner took 491.62 ms. Allocated memory was 117.4 MB in the beginning and 142.6 MB in the end (delta: 25.2 MB). Free memory was 65.1 MB in the beginning and 82.3 MB in the end (delta: -17.3 MB). Peak memory consumption was 27.7 MB. Max. memory is 16.1 GB. [2021-10-13 00:32:26,324 INFO L168 Benchmark]: Boogie Preprocessor took 530.71 ms. Allocated memory is still 142.6 MB. Free memory was 82.3 MB in the beginning and 73.2 MB in the end (delta: 9.1 MB). Peak memory consumption was 43.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:32:26,325 INFO L168 Benchmark]: RCFGBuilder took 10428.89 ms. Allocated memory was 142.6 MB in the beginning and 486.5 MB in the end (delta: 343.9 MB). Free memory was 73.2 MB in the beginning and 253.7 MB in the end (delta: -180.5 MB). Peak memory consumption was 199.3 MB. Max. memory is 16.1 GB. [2021-10-13 00:32:26,326 INFO L168 Benchmark]: BuchiAutomizer took 6864.80 ms. Allocated memory is still 486.5 MB. Free memory was 253.7 MB in the beginning and 266.7 MB in the end (delta: -13.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:32:26,326 INFO L168 Benchmark]: Witness Printer took 5.21 ms. Allocated memory is still 486.5 MB. Free memory is still 266.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:32:26,330 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 117.4 MB. Free memory is still 95.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1090.22 ms. Allocated memory is still 117.4 MB. Free memory was 75.2 MB in the beginning and 65.5 MB in the end (delta: 9.6 MB). Peak memory consumption was 12.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 491.62 ms. Allocated memory was 117.4 MB in the beginning and 142.6 MB in the end (delta: 25.2 MB). Free memory was 65.1 MB in the beginning and 82.3 MB in the end (delta: -17.3 MB). Peak memory consumption was 27.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 530.71 ms. Allocated memory is still 142.6 MB. Free memory was 82.3 MB in the beginning and 73.2 MB in the end (delta: 9.1 MB). Peak memory consumption was 43.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 10428.89 ms. Allocated memory was 142.6 MB in the beginning and 486.5 MB in the end (delta: 343.9 MB). Free memory was 73.2 MB in the beginning and 253.7 MB in the end (delta: -180.5 MB). Peak memory consumption was 199.3 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 6864.80 ms. Allocated memory is still 486.5 MB. Free memory was 253.7 MB in the beginning and 266.7 MB in the end (delta: -13.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 5.21 ms. Allocated memory is still 486.5 MB. Free memory is still 266.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function cleanupTimeShifts + -1 * i and consists of 6 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 4.5s. Construction of modules took 0.0s. Büchi inclusion checks took 1.6s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 9193 SDtfs, 18352 SDslu, 4613 SDs, 0 SdLazy, 9 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.8ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital109 mio100 ax100 hnf100 lsp16 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq211 hnf89 smp100 dnf176 smp100 tf103 neg96 sie106 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 46ms VariablesStem: 0 VariablesLoop: 5 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-13 00:32:26,389 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51342164-728e-4883-9bf8-7230d7bf4956/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...