./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/elevator_spec1_product30.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac1bdbf-c964-48b4-a16e-600aeeac925c/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac1bdbf-c964-48b4-a16e-600aeeac925c/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac1bdbf-c964-48b4-a16e-600aeeac925c/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac1bdbf-c964-48b4-a16e-600aeeac925c/bin/uautomizer-DrprNOufMa/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/elevator_spec1_product30.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac1bdbf-c964-48b4-a16e-600aeeac925c/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac1bdbf-c964-48b4-a16e-600aeeac925c/bin/uautomizer-DrprNOufMa --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 b5032f6ecc7a7304ce28757cb2a6aad82a2091f27bc978e38426a37817981d0c --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 22:17:51,300 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 22:17:51,302 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 22:17:51,325 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 22:17:51,326 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 22:17:51,327 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 22:17:51,328 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 22:17:51,330 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 22:17:51,331 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 22:17:51,332 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 22:17:51,333 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 22:17:51,334 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 22:17:51,335 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 22:17:51,336 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 22:17:51,337 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 22:17:51,338 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 22:17:51,339 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 22:17:51,340 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 22:17:51,341 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 22:17:51,343 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 22:17:51,345 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 22:17:51,346 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 22:17:51,347 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 22:17:51,348 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 22:17:51,350 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 22:17:51,351 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 22:17:51,351 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 22:17:51,352 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 22:17:51,352 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 22:17:51,353 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 22:17:51,353 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 22:17:51,354 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 22:17:51,355 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 22:17:51,355 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 22:17:51,356 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 22:17:51,356 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 22:17:51,357 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 22:17:51,357 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 22:17:51,357 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 22:17:51,358 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 22:17:51,358 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 22:17:51,359 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac1bdbf-c964-48b4-a16e-600aeeac925c/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-06 22:17:51,377 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 22:17:51,377 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 22:17:51,378 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 22:17:51,378 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 22:17:51,379 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 22:17:51,379 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 22:17:51,379 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 22:17:51,379 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-06 22:17:51,379 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-06 22:17:51,379 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-06 22:17:51,380 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-06 22:17:51,380 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-06 22:17:51,380 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-06 22:17:51,380 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 22:17:51,380 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 22:17:51,380 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-06 22:17:51,380 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 22:17:51,381 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 22:17:51,381 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 22:17:51,381 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-06 22:17:51,381 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-06 22:17:51,381 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-06 22:17:51,381 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 22:17:51,381 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 22:17:51,382 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-06 22:17:51,382 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 22:17:51,382 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-06 22:17:51,382 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 22:17:51,382 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 22:17:51,382 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 22:17:51,382 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 22:17:51,383 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 22:17:51,383 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-06 22:17:51,384 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_cac1bdbf-c964-48b4-a16e-600aeeac925c/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac1bdbf-c964-48b4-a16e-600aeeac925c/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b5032f6ecc7a7304ce28757cb2a6aad82a2091f27bc978e38426a37817981d0c [2021-12-06 22:17:51,567 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 22:17:51,582 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 22:17:51,584 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 22:17:51,585 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 22:17:51,585 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 22:17:51,586 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac1bdbf-c964-48b4-a16e-600aeeac925c/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/product-lines/elevator_spec1_product30.cil.c [2021-12-06 22:17:51,627 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac1bdbf-c964-48b4-a16e-600aeeac925c/bin/uautomizer-DrprNOufMa/data/05360baa5/cab0f34050284e6485749c3c9a34249c/FLAG319c602ea [2021-12-06 22:17:52,087 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 22:17:52,087 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac1bdbf-c964-48b4-a16e-600aeeac925c/sv-benchmarks/c/product-lines/elevator_spec1_product30.cil.c [2021-12-06 22:17:52,102 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac1bdbf-c964-48b4-a16e-600aeeac925c/bin/uautomizer-DrprNOufMa/data/05360baa5/cab0f34050284e6485749c3c9a34249c/FLAG319c602ea [2021-12-06 22:17:52,113 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac1bdbf-c964-48b4-a16e-600aeeac925c/bin/uautomizer-DrprNOufMa/data/05360baa5/cab0f34050284e6485749c3c9a34249c [2021-12-06 22:17:52,114 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 22:17:52,115 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 22:17:52,117 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 22:17:52,117 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 22:17:52,120 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 22:17:52,120 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 10:17:52" (1/1) ... [2021-12-06 22:17:52,121 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@161eb18b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:17:52, skipping insertion in model container [2021-12-06 22:17:52,121 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 10:17:52" (1/1) ... [2021-12-06 22:17:52,126 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 22:17:52,176 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 22:17:52,291 WARN L230 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_cac1bdbf-c964-48b4-a16e-600aeeac925c/sv-benchmarks/c/product-lines/elevator_spec1_product30.cil.c[1545,1558] [2021-12-06 22:17:52,494 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 22:17:52,502 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 22:17:52,511 WARN L230 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_cac1bdbf-c964-48b4-a16e-600aeeac925c/sv-benchmarks/c/product-lines/elevator_spec1_product30.cil.c[1545,1558] [2021-12-06 22:17:52,569 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 22:17:52,589 INFO L208 MainTranslator]: Completed translation [2021-12-06 22:17:52,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:17:52 WrapperNode [2021-12-06 22:17:52,590 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 22:17:52,591 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 22:17:52,591 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 22:17:52,591 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 22:17:52,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:17:52" (1/1) ... [2021-12-06 22:17:52,618 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:17:52" (1/1) ... [2021-12-06 22:17:52,826 INFO L137 Inliner]: procedures = 95, calls = 348, calls flagged for inlining = 200, calls inlined = 764, statements flattened = 26214 [2021-12-06 22:17:52,827 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 22:17:52,827 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 22:17:52,827 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 22:17:52,827 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 22:17:52,834 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:17:52" (1/1) ... [2021-12-06 22:17:52,834 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:17:52" (1/1) ... [2021-12-06 22:17:52,866 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:17:52" (1/1) ... [2021-12-06 22:17:52,866 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:17:52" (1/1) ... [2021-12-06 22:17:53,023 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:17:52" (1/1) ... [2021-12-06 22:17:53,155 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:17:52" (1/1) ... [2021-12-06 22:17:53,178 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:17:52" (1/1) ... [2021-12-06 22:17:53,232 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 22:17:53,233 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 22:17:53,233 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 22:17:53,234 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 22:17:53,234 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:17:52" (1/1) ... [2021-12-06 22:17:53,242 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:17:53,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac1bdbf-c964-48b4-a16e-600aeeac925c/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:17:53,261 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac1bdbf-c964-48b4-a16e-600aeeac925c/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:17:53,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac1bdbf-c964-48b4-a16e-600aeeac925c/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-06 22:17:53,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 22:17:53,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 22:17:53,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 22:17:53,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 22:17:53,424 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 22:17:53,426 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 22:17:58,181 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 22:17:58,218 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 22:17:58,218 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-06 22:17:58,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:17:58 BoogieIcfgContainer [2021-12-06 22:17:58,225 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 22:17:58,225 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-06 22:17:58,225 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-06 22:17:58,228 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-06 22:17:58,228 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 22:17:58,229 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.12 10:17:52" (1/3) ... [2021-12-06 22:17:58,229 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7f281a28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 10:17:58, skipping insertion in model container [2021-12-06 22:17:58,229 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 22:17:58,229 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:17:52" (2/3) ... [2021-12-06 22:17:58,230 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7f281a28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 10:17:58, skipping insertion in model container [2021-12-06 22:17:58,230 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 22:17:58,230 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:17:58" (3/3) ... [2021-12-06 22:17:58,231 INFO L388 chiAutomizerObserver]: Analyzing ICFG elevator_spec1_product30.cil.c [2021-12-06 22:17:58,260 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-06 22:17:58,260 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-06 22:17:58,260 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-06 22:17:58,260 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-06 22:17:58,260 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-06 22:17:58,260 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-06 22:17:58,260 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-06 22:17:58,260 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-06 22:17:58,354 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7016 states, 7015 states have (on average 1.8778332145402707) internal successors, (13173), 7015 states have internal predecessors, (13173), 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) [2021-12-06 22:17:58,468 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3460 [2021-12-06 22:17:58,468 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:17:58,468 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:17:58,485 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:17:58,485 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, 1] [2021-12-06 22:17:58,486 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-06 22:17:58,500 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7016 states, 7015 states have (on average 1.8778332145402707) internal successors, (13173), 7015 states have internal predecessors, (13173), 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) [2021-12-06 22:17:58,561 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3460 [2021-12-06 22:17:58,562 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:17:58,562 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:17:58,568 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:17:58,568 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, 1] [2021-12-06 22:17:58,574 INFO L791 eck$LassoCheckResult]: Stem: 5665#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(10, 16);call #Ultimate.allocInit(4, 17);call write~init~int(91, 17, 0, 1);call write~init~int(95, 17, 1, 1);call write~init~int(93, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(4, 18);call write~init~int(91, 18, 0, 1);call write~init~int(93, 18, 1, 1);call write~init~int(32, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(5, 19);call write~init~int(32, 19, 0, 1);call write~init~int(97, 19, 1, 1);call write~init~int(116, 19, 2, 1);call write~init~int(32, 19, 3, 1);call write~init~int(0, 19, 4, 1);call #Ultimate.allocInit(3, 20);call write~init~int(37, 20, 0, 1);call write~init~int(105, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(10, 21);call #Ultimate.allocInit(3, 22);call write~init~int(117, 22, 0, 1);call write~init~int(112, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(5, 23);call write~init~int(100, 23, 0, 1);call write~init~int(111, 23, 1, 1);call write~init~int(119, 23, 2, 1);call write~init~int(110, 23, 3, 1);call write~init~int(0, 23, 4, 1);call #Ultimate.allocInit(7, 24);call write~init~int(32, 24, 0, 1);call write~init~int(73, 24, 1, 1);call write~init~int(76, 24, 2, 1);call write~init~int(95, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(4, 25);call write~init~int(32, 25, 0, 1);call write~init~int(37, 25, 1, 1);call write~init~int(105, 25, 2, 1);call write~init~int(0, 25, 3, 1);call #Ultimate.allocInit(4, 26);call write~init~int(32, 26, 0, 1);call write~init~int(37, 26, 1, 1);call write~init~int(105, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(4, 27);call write~init~int(32, 27, 0, 1);call write~init~int(37, 27, 1, 1);call write~init~int(105, 27, 2, 1);call write~init~int(0, 27, 3, 1);call #Ultimate.allocInit(4, 28);call write~init~int(32, 28, 0, 1);call write~init~int(37, 28, 1, 1);call write~init~int(105, 28, 2, 1);call write~init~int(0, 28, 3, 1);call #Ultimate.allocInit(4, 29);call write~init~int(32, 29, 0, 1);call write~init~int(37, 29, 1, 1);call write~init~int(105, 29, 2, 1);call write~init~int(0, 29, 3, 1);call #Ultimate.allocInit(6, 30);call write~init~int(32, 30, 0, 1);call write~init~int(70, 30, 1, 1);call write~init~int(95, 30, 2, 1);call write~init~int(112, 30, 3, 1);call write~init~int(58, 30, 4, 1);call write~init~int(0, 30, 5, 1);call #Ultimate.allocInit(4, 31);call write~init~int(32, 31, 0, 1);call write~init~int(37, 31, 1, 1);call write~init~int(105, 31, 2, 1);call write~init~int(0, 31, 3, 1);call #Ultimate.allocInit(4, 32);call write~init~int(32, 32, 0, 1);call write~init~int(37, 32, 1, 1);call write~init~int(105, 32, 2, 1);call write~init~int(0, 32, 3, 1);call #Ultimate.allocInit(4, 33);call write~init~int(32, 33, 0, 1);call write~init~int(37, 33, 1, 1);call write~init~int(105, 33, 2, 1);call write~init~int(0, 33, 3, 1);call #Ultimate.allocInit(4, 34);call write~init~int(32, 34, 0, 1);call write~init~int(37, 34, 1, 1);call write~init~int(105, 34, 2, 1);call write~init~int(0, 34, 3, 1);call #Ultimate.allocInit(4, 35);call write~init~int(32, 35, 0, 1);call write~init~int(37, 35, 1, 1);call write~init~int(105, 35, 2, 1);call write~init~int(0, 35, 3, 1);call #Ultimate.allocInit(2, 36);call write~init~int(10, 36, 0, 1);call write~init~int(0, 36, 1, 1);call #Ultimate.allocInit(9, 37);~weight~0 := 0;~maximumWeight~0 := 100;~blocked~0 := 0;~cleanupTimeShifts~0 := 12;~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;~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;~landingButtons_spc1_0~0 := 0;~landingButtons_spc1_1~0 := 0;~landingButtons_spc1_2~0 := 0;~landingButtons_spc1_3~0 := 0;~landingButtons_spc1_4~0 := 0; 3440#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret47#1, main_~retValue_acc~6#1, main_~tmp~13#1;havoc main_~retValue_acc~6#1;havoc main_~tmp~13#1;assume { :begin_inline_select_helpers } true; 1749#L567true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1495#L560true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 6486#L575true main_#t~ret47#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~13#1 := main_#t~ret47#1;havoc main_#t~ret47#1; 4565#L919true assume 0 != main_~tmp~13#1;assume { :begin_inline_setup } true; 2398#L892true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification1_spec__1 } true;~landingButtons_spc1_0~0 := 0;~landingButtons_spc1_1~0 := 0;~landingButtons_spc1_2~0 := 0;~landingButtons_spc1_3~0 := 0;~landingButtons_spc1_4~0 := 0; 5973#L3317true assume { :end_inline___utac_acc__Specification1_spec__1 } true;assume { :begin_inline_test } true;assume { :begin_inline_bigMacCall } true;havoc bigMacCall_#t~ret40#1, bigMacCall_~tmp~10#1;havoc bigMacCall_~tmp~10#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 5;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~11#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~11#1; 3194#L1650true assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~11#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~11#1; 4251#L1675true bigMacCall_#t~ret40#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;bigMacCall_~tmp~10#1 := bigMacCall_#t~ret40#1;havoc bigMacCall_#t~ret40#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 5, bigMacCall_~tmp~10#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 2187#L1297true assume 0 == initPersonOnFloor_~floor#1; 185#L1298true assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 863#L1405-1true assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1, callOnFloor_~__utac__ad__arg1~0#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1;havoc callOnFloor_~__utac__ad__arg1~0#1;callOnFloor_~__utac__ad__arg1~0#1 := callOnFloor_~floorID#1;assume { :begin_inline___utac_acc__Specification1_spec__2 } true;__utac_acc__Specification1_spec__2_#in~floor#1 := callOnFloor_~__utac__ad__arg1~0#1;havoc __utac_acc__Specification1_spec__2_~floor#1;__utac_acc__Specification1_spec__2_~floor#1 := __utac_acc__Specification1_spec__2_#in~floor#1; 1541#L3324true assume 0 == __utac_acc__Specification1_spec__2_~floor#1;~landingButtons_spc1_0~0 := 1; 3103#L3336-2true assume { :end_inline___utac_acc__Specification1_spec__2 } true; 4607#L1089true assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 1603#L1101-2true assume { :end_inline_callOnFloor } true; 4260#L1441true assume { :end_inline_initPersonOnFloor } true; 1401#L696true assume { :end_inline_bigMacCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret37#1, angelinaCall_~tmp~7#1;havoc angelinaCall_~tmp~7#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~11#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~11#1; 903#L1650-1true assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~11#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~11#1; 3833#L1675-1true angelinaCall_#t~ret37#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~7#1 := angelinaCall_#t~ret37#1;havoc angelinaCall_#t~ret37#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~7#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 6004#L1297-1true assume 0 == initPersonOnFloor_~floor#1; 5412#L1298-2true assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 3848#L1405-3true assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1, callOnFloor_~__utac__ad__arg1~0#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1;havoc callOnFloor_~__utac__ad__arg1~0#1;callOnFloor_~__utac__ad__arg1~0#1 := callOnFloor_~floorID#1;assume { :begin_inline___utac_acc__Specification1_spec__2 } true;__utac_acc__Specification1_spec__2_#in~floor#1 := callOnFloor_~__utac__ad__arg1~0#1;havoc __utac_acc__Specification1_spec__2_~floor#1;__utac_acc__Specification1_spec__2_~floor#1 := __utac_acc__Specification1_spec__2_#in~floor#1; 3700#L3324-2true assume 0 == __utac_acc__Specification1_spec__2_~floor#1;~landingButtons_spc1_0~0 := 1; 6253#L3336-5true assume { :end_inline___utac_acc__Specification1_spec__2 } true; 1732#L1089-2true assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 51#L1101-5true assume { :end_inline_callOnFloor } true; 2445#L1441-1true assume { :end_inline_initPersonOnFloor } true; 2201#L663true assume { :end_inline_angelinaCall } true;assume { :begin_inline_cleanup } true;havoc cleanup_#t~ret41#1, cleanup_#t~ret42#1, cleanup_~i~2#1, cleanup_~tmp~11#1, cleanup_~tmp___0~2#1, cleanup_~__cil_tmp4~2#1;havoc cleanup_~i~2#1;havoc cleanup_~tmp~11#1;havoc cleanup_~tmp___0~2#1;havoc cleanup_~__cil_tmp4~2#1;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret101#1, timeShift_~tmp~26#1;havoc timeShift_~tmp~26#1;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~15#1;havoc areDoorsOpen_~retValue_acc~15#1;areDoorsOpen_~retValue_acc~15#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~15#1; 1167#L1979true timeShift_#t~ret101#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~26#1 := timeShift_#t~ret101#1;havoc timeShift_#t~ret101#1; 240#L2929true assume 0 != timeShift_~tmp~26#1; 5171#L2930true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 3296#L2929-1true assume { :begin_inline___utac_acc__Specification1_spec__3 } true;havoc __utac_acc__Specification1_spec__3_#t~ret130#1, __utac_acc__Specification1_spec__3_#t~ret131#1, __utac_acc__Specification1_spec__3_#t~ret132#1, __utac_acc__Specification1_spec__3_#t~ret133#1, __utac_acc__Specification1_spec__3_#t~ret134#1, __utac_acc__Specification1_spec__3_#t~ret135#1, __utac_acc__Specification1_spec__3_~floor~0#1, __utac_acc__Specification1_spec__3_~tmp~29#1, __utac_acc__Specification1_spec__3_~tmp___0~11#1, __utac_acc__Specification1_spec__3_~tmp___1~8#1, __utac_acc__Specification1_spec__3_~tmp___2~6#1, __utac_acc__Specification1_spec__3_~tmp___3~5#1, __utac_acc__Specification1_spec__3_~tmp___4~3#1;havoc __utac_acc__Specification1_spec__3_~floor~0#1;havoc __utac_acc__Specification1_spec__3_~tmp~29#1;havoc __utac_acc__Specification1_spec__3_~tmp___0~11#1;havoc __utac_acc__Specification1_spec__3_~tmp___1~8#1;havoc __utac_acc__Specification1_spec__3_~tmp___2~6#1;havoc __utac_acc__Specification1_spec__3_~tmp___3~5#1;havoc __utac_acc__Specification1_spec__3_~tmp___4~3#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~14#1;havoc getCurrentFloorID_~retValue_acc~14#1;getCurrentFloorID_~retValue_acc~14#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~14#1; 4177#L1970-2true __utac_acc__Specification1_spec__3_#t~ret130#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification1_spec__3_~tmp~29#1 := __utac_acc__Specification1_spec__3_#t~ret130#1;havoc __utac_acc__Specification1_spec__3_#t~ret130#1;__utac_acc__Specification1_spec__3_~floor~0#1 := __utac_acc__Specification1_spec__3_~tmp~29#1; 3004#L3362true assume 0 == __utac_acc__Specification1_spec__3_~floor~0#1; 5640#L3363true assume 0 != ~landingButtons_spc1_0~0;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~15#1;havoc areDoorsOpen_~retValue_acc~15#1;areDoorsOpen_~retValue_acc~15#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~15#1; 276#L1979-1true __utac_acc__Specification1_spec__3_#t~ret131#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification1_spec__3_~tmp___4~3#1 := __utac_acc__Specification1_spec__3_#t~ret131#1;havoc __utac_acc__Specification1_spec__3_#t~ret131#1; 3010#L3367true assume 0 != __utac_acc__Specification1_spec__3_~tmp___4~3#1;~landingButtons_spc1_0~0 := 0; 4008#L3422true assume { :end_inline___utac_acc__Specification1_spec__3 } true; 6204#L2947true assume { :end_inline_timeShift } true;cleanup_~i~2#1 := 0; 6239#L724-2true [2021-12-06 22:17:58,576 INFO L793 eck$LassoCheckResult]: Loop: 6239#L724-2true assume !false; 3958#L725true cleanup_~__cil_tmp4~2#1 := ~cleanupTimeShifts~0 - 1; 6633#L728true assume cleanup_~i~2#1 < cleanup_~__cil_tmp4~2#1;assume { :begin_inline_isBlocked } true;havoc isBlocked_#res#1;havoc isBlocked_~retValue_acc~13#1;havoc isBlocked_~retValue_acc~13#1;isBlocked_~retValue_acc~13#1 := ~blocked~0;isBlocked_#res#1 := isBlocked_~retValue_acc~13#1; 71#L1797true cleanup_#t~ret41#1 := isBlocked_#res#1;assume { :end_inline_isBlocked } true;cleanup_~tmp___0~2#1 := cleanup_#t~ret41#1;havoc cleanup_#t~ret41#1; 5376#L732true assume 1 != cleanup_~tmp___0~2#1; 5623#L732-1true assume { :begin_inline_isIdle } true;havoc isIdle_#res#1;havoc isIdle_#t~ret56#1, isIdle_~retValue_acc~20#1, isIdle_~tmp~18#1;havoc isIdle_~retValue_acc~20#1;havoc isIdle_~tmp~18#1;assume { :begin_inline_anyStopRequested } true;havoc anyStopRequested_#res#1;havoc anyStopRequested_#t~ret51#1, anyStopRequested_#t~ret52#1, anyStopRequested_#t~ret53#1, anyStopRequested_#t~ret54#1, anyStopRequested_#t~ret55#1, anyStopRequested_~retValue_acc~19#1, anyStopRequested_~tmp~17#1, anyStopRequested_~tmp___0~4#1, anyStopRequested_~tmp___1~3#1, anyStopRequested_~tmp___2~1#1, anyStopRequested_~tmp___3~0#1;havoc anyStopRequested_~retValue_acc~19#1;havoc anyStopRequested_~tmp~17#1;havoc anyStopRequested_~tmp___0~4#1;havoc anyStopRequested_~tmp___1~3#1;havoc anyStopRequested_~tmp___2~1#1;havoc anyStopRequested_~tmp___3~0#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~7#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~7#1; 6869#L1021-122true assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~7#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~7#1; 5651#L1048-122true anyStopRequested_#t~ret51#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___3~0#1 := anyStopRequested_#t~ret51#1;havoc anyStopRequested_#t~ret51#1; 5101#L2078true assume 0 != anyStopRequested_~tmp___3~0#1;anyStopRequested_~retValue_acc~19#1 := 1;anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~19#1; 2838#L2142true isIdle_#t~ret56#1 := anyStopRequested_#res#1;assume { :end_inline_anyStopRequested } true;isIdle_~tmp~18#1 := isIdle_#t~ret56#1;havoc isIdle_#t~ret56#1;isIdle_~retValue_acc~20#1 := (if 0 == isIdle_~tmp~18#1 then 1 else 0);isIdle_#res#1 := isIdle_~retValue_acc~20#1; 1841#L2155true cleanup_#t~ret42#1 := isIdle_#res#1;assume { :end_inline_isIdle } true;cleanup_~tmp~11#1 := cleanup_#t~ret42#1;havoc cleanup_#t~ret42#1; 3767#L744true assume !(0 != cleanup_~tmp~11#1);assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret101#1, timeShift_~tmp~26#1;havoc timeShift_~tmp~26#1;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~15#1;havoc areDoorsOpen_~retValue_acc~15#1;areDoorsOpen_~retValue_acc~15#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~15#1; 155#L1979-6true timeShift_#t~ret101#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~26#1 := timeShift_#t~ret101#1;havoc timeShift_#t~ret101#1; 6771#L2929-2true assume 0 != timeShift_~tmp~26#1; 4511#L2930-3true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 2121#L2929-3true assume { :begin_inline___utac_acc__Specification1_spec__3 } true;havoc __utac_acc__Specification1_spec__3_#t~ret130#1, __utac_acc__Specification1_spec__3_#t~ret131#1, __utac_acc__Specification1_spec__3_#t~ret132#1, __utac_acc__Specification1_spec__3_#t~ret133#1, __utac_acc__Specification1_spec__3_#t~ret134#1, __utac_acc__Specification1_spec__3_#t~ret135#1, __utac_acc__Specification1_spec__3_~floor~0#1, __utac_acc__Specification1_spec__3_~tmp~29#1, __utac_acc__Specification1_spec__3_~tmp___0~11#1, __utac_acc__Specification1_spec__3_~tmp___1~8#1, __utac_acc__Specification1_spec__3_~tmp___2~6#1, __utac_acc__Specification1_spec__3_~tmp___3~5#1, __utac_acc__Specification1_spec__3_~tmp___4~3#1;havoc __utac_acc__Specification1_spec__3_~floor~0#1;havoc __utac_acc__Specification1_spec__3_~tmp~29#1;havoc __utac_acc__Specification1_spec__3_~tmp___0~11#1;havoc __utac_acc__Specification1_spec__3_~tmp___1~8#1;havoc __utac_acc__Specification1_spec__3_~tmp___2~6#1;havoc __utac_acc__Specification1_spec__3_~tmp___3~5#1;havoc __utac_acc__Specification1_spec__3_~tmp___4~3#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~14#1;havoc getCurrentFloorID_~retValue_acc~14#1;getCurrentFloorID_~retValue_acc~14#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~14#1; 1174#L1970-5true __utac_acc__Specification1_spec__3_#t~ret130#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification1_spec__3_~tmp~29#1 := __utac_acc__Specification1_spec__3_#t~ret130#1;havoc __utac_acc__Specification1_spec__3_#t~ret130#1;__utac_acc__Specification1_spec__3_~floor~0#1 := __utac_acc__Specification1_spec__3_~tmp~29#1; 1244#L3362-1true assume 0 == __utac_acc__Specification1_spec__3_~floor~0#1; 6931#L3363-1true assume 0 != ~landingButtons_spc1_0~0;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~15#1;havoc areDoorsOpen_~retValue_acc~15#1;areDoorsOpen_~retValue_acc~15#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~15#1; 4952#L1979-7true __utac_acc__Specification1_spec__3_#t~ret131#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification1_spec__3_~tmp___4~3#1 := __utac_acc__Specification1_spec__3_#t~ret131#1;havoc __utac_acc__Specification1_spec__3_#t~ret131#1; 1975#L3367-2true assume 0 != __utac_acc__Specification1_spec__3_~tmp___4~3#1;~landingButtons_spc1_0~0 := 0; 2817#L3422-1true assume { :end_inline___utac_acc__Specification1_spec__3 } true; 4293#L2947-1true assume { :end_inline_timeShift } true;cleanup_~i~2#1 := 1 + cleanup_~i~2#1; 6239#L724-2true [2021-12-06 22:17:58,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:17:58,582 INFO L85 PathProgramCache]: Analyzing trace with hash -923474938, now seen corresponding path program 1 times [2021-12-06 22:17:58,589 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:17:58,590 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207374486] [2021-12-06 22:17:58,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:17:58,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:17:58,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:17:58,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:17:58,820 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:17:58,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207374486] [2021-12-06 22:17:58,820 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207374486] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:17:58,820 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:17:58,821 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 22:17:58,822 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333159283] [2021-12-06 22:17:58,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:17:58,825 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 22:17:58,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:17:58,826 INFO L85 PathProgramCache]: Analyzing trace with hash -878875197, now seen corresponding path program 1 times [2021-12-06 22:17:58,826 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:17:58,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28578574] [2021-12-06 22:17:58,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:17:58,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:17:58,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:17:58,841 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:17:58,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:17:58,872 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:17:59,221 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 22:17:59,222 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 22:17:59,222 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 22:17:59,222 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 22:17:59,222 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-06 22:17:59,222 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:17:59,222 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 22:17:59,222 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 22:17:59,223 INFO L133 ssoRankerPreferences]: Filename of dumped script: elevator_spec1_product30.cil.c_Iteration1_Loop [2021-12-06 22:17:59,223 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 22:17:59,223 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 22:17:59,243 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:17:59,247 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:17:59,254 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:17:59,255 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:17:59,256 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:17:59,258 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:17:59,262 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:17:59,263 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:17:59,264 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:17:59,265 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:17:59,267 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:17:59,268 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:17:59,269 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:17:59,270 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:17:59,271 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:17:59,273 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:17:59,274 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:17:59,275 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:17:59,276 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:17:59,281 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:17:59,284 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:17:59,285 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:17:59,286 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:17:59,290 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:17:59,291 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:17:59,293 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:17:59,298 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:17:59,300 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:17:59,301 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:17:59,302 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:17:59,303 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:17:59,306 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:17:59,308 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:17:59,309 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:17:59,519 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 22:17:59,519 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-06 22:17:59,521 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:17:59,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac1bdbf-c964-48b4-a16e-600aeeac925c/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:17:59,522 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac1bdbf-c964-48b4-a16e-600aeeac925c/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:17:59,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac1bdbf-c964-48b4-a16e-600aeeac925c/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-06 22:17:59,523 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 22:17:59,523 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 22:17:59,537 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 22:17:59,537 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_anyStopRequested_#t~ret54#1=0} Honda state: {ULTIMATE.start_anyStopRequested_#t~ret54#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 22:17:59,557 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac1bdbf-c964-48b4-a16e-600aeeac925c/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-12-06 22:17:59,557 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:17:59,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac1bdbf-c964-48b4-a16e-600aeeac925c/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:17:59,558 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac1bdbf-c964-48b4-a16e-600aeeac925c/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:17:59,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac1bdbf-c964-48b4-a16e-600aeeac925c/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-06 22:17:59,560 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 22:17:59,561 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 22:17:59,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac1bdbf-c964-48b4-a16e-600aeeac925c/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-12-06 22:17:59,611 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:17:59,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac1bdbf-c964-48b4-a16e-600aeeac925c/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:17:59,612 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac1bdbf-c964-48b4-a16e-600aeeac925c/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:17:59,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cac1bdbf-c964-48b4-a16e-600aeeac925c/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-06 22:17:59,613 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-06 22:17:59,613 INFO L160 nArgumentSynthesizer]: Using integer mode.