./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/elevator_spec13_product24.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1075823d-320c-444a-9ad6-7a03982a833a/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1075823d-320c-444a-9ad6-7a03982a833a/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1075823d-320c-444a-9ad6-7a03982a833a/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1075823d-320c-444a-9ad6-7a03982a833a/bin/uautomizer-J5u9QxTXDZ/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/elevator_spec13_product24.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1075823d-320c-444a-9ad6-7a03982a833a/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1075823d-320c-444a-9ad6-7a03982a833a/bin/uautomizer-J5u9QxTXDZ --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 89950477a2818e2be847e3014c0e2f9e906834037b4e328723302699ed4d9564 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 10:23:19,905 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:23:19,910 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:23:19,982 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:23:19,983 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:23:19,986 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:23:19,989 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:23:19,994 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:23:20,011 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:23:20,017 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:23:20,018 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:23:20,020 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:23:20,021 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:23:20,023 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:23:20,026 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:23:20,027 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:23:20,029 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:23:20,030 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:23:20,032 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:23:20,039 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:23:20,041 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:23:20,042 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:23:20,045 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:23:20,046 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:23:20,060 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:23:20,061 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:23:20,061 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:23:20,063 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:23:20,064 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:23:20,065 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:23:20,065 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:23:20,067 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:23:20,069 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:23:20,070 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:23:20,071 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:23:20,071 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:23:20,072 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:23:20,072 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:23:20,072 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:23:20,073 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:23:20,073 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:23:20,074 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1075823d-320c-444a-9ad6-7a03982a833a/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-10-17 10:23:20,114 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:23:20,114 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:23:20,114 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:23:20,115 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:23:20,116 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:23:20,116 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:23:20,116 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:23:20,116 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-10-17 10:23:20,117 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-10-17 10:23:20,117 INFO L138 SettingsManager]: * Use old map elimination=false [2022-10-17 10:23:20,118 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-10-17 10:23:20,118 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-10-17 10:23:20,118 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-10-17 10:23:20,118 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:23:20,119 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 10:23:20,119 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 10:23:20,119 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:23:20,119 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 10:23:20,119 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:23:20,119 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-10-17 10:23:20,120 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-10-17 10:23:20,120 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-10-17 10:23:20,120 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 10:23:20,121 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:23:20,122 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-10-17 10:23:20,122 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:23:20,122 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-10-17 10:23:20,122 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:23:20,122 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:23:20,123 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:23:20,123 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:23:20,124 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-10-17 10:23:20,124 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_1075823d-320c-444a-9ad6-7a03982a833a/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1075823d-320c-444a-9ad6-7a03982a833a/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89950477a2818e2be847e3014c0e2f9e906834037b4e328723302699ed4d9564 [2022-10-17 10:23:20,377 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:23:20,408 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:23:20,410 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:23:20,411 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:23:20,412 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:23:20,414 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1075823d-320c-444a-9ad6-7a03982a833a/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/product-lines/elevator_spec13_product24.cil.c [2022-10-17 10:23:20,486 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1075823d-320c-444a-9ad6-7a03982a833a/bin/uautomizer-J5u9QxTXDZ/data/e106dafd0/9051b75374ce4f59ac3e7f5aed2cfa0f/FLAG5ef02a3e4 [2022-10-17 10:23:21,098 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:23:21,099 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1075823d-320c-444a-9ad6-7a03982a833a/sv-benchmarks/c/product-lines/elevator_spec13_product24.cil.c [2022-10-17 10:23:21,128 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1075823d-320c-444a-9ad6-7a03982a833a/bin/uautomizer-J5u9QxTXDZ/data/e106dafd0/9051b75374ce4f59ac3e7f5aed2cfa0f/FLAG5ef02a3e4 [2022-10-17 10:23:21,292 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1075823d-320c-444a-9ad6-7a03982a833a/bin/uautomizer-J5u9QxTXDZ/data/e106dafd0/9051b75374ce4f59ac3e7f5aed2cfa0f [2022-10-17 10:23:21,295 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:23:21,297 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:23:21,300 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:23:21,301 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:23:21,304 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:23:21,305 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:23:21" (1/1) ... [2022-10-17 10:23:21,306 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@520ecf57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:23:21, skipping insertion in model container [2022-10-17 10:23:21,306 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:23:21" (1/1) ... [2022-10-17 10:23:21,313 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:23:21,413 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:23:21,930 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_1075823d-320c-444a-9ad6-7a03982a833a/sv-benchmarks/c/product-lines/elevator_spec13_product24.cil.c[51490,51503] [2022-10-17 10:23:21,991 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:23:22,006 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:23:22,131 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_1075823d-320c-444a-9ad6-7a03982a833a/sv-benchmarks/c/product-lines/elevator_spec13_product24.cil.c[51490,51503] [2022-10-17 10:23:22,147 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:23:22,244 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:23:22,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:23:22 WrapperNode [2022-10-17 10:23:22,245 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:23:22,246 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:23:22,246 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:23:22,247 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:23:22,256 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:23:22" (1/1) ... [2022-10-17 10:23:22,298 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:23:22" (1/1) ... [2022-10-17 10:23:23,173 INFO L138 Inliner]: procedures = 96, calls = 352, calls flagged for inlining = 204, calls inlined = 1935, statements flattened = 67284 [2022-10-17 10:23:23,174 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:23:23,175 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:23:23,175 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:23:23,175 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:23:23,184 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:23:22" (1/1) ... [2022-10-17 10:23:23,184 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:23:22" (1/1) ... [2022-10-17 10:23:23,382 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:23:22" (1/1) ... [2022-10-17 10:23:23,383 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:23:22" (1/1) ... [2022-10-17 10:23:24,033 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:23:22" (1/1) ... [2022-10-17 10:23:24,485 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:23:22" (1/1) ... [2022-10-17 10:23:24,540 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:23:22" (1/1) ... [2022-10-17 10:23:24,707 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:23:22" (1/1) ... [2022-10-17 10:23:24,866 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:23:24,867 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:23:24,867 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:23:24,868 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:23:24,869 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:23:22" (1/1) ... [2022-10-17 10:23:24,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:23:24,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1075823d-320c-444a-9ad6-7a03982a833a/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:23:24,903 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1075823d-320c-444a-9ad6-7a03982a833a/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:23:24,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1075823d-320c-444a-9ad6-7a03982a833a/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-10-17 10:23:24,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:23:24,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:23:24,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:23:24,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:23:25,225 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:23:25,227 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:23:46,900 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:23:47,023 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:23:47,023 INFO L300 CfgBuilder]: Removed 61 assume(true) statements. [2022-10-17 10:23:47,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:23:47 BoogieIcfgContainer [2022-10-17 10:23:47,043 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:23:47,044 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-10-17 10:23:47,044 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-10-17 10:23:47,051 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-10-17 10:23:47,052 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:23:47,052 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.10 10:23:21" (1/3) ... [2022-10-17 10:23:47,053 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@22101412 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.10 10:23:47, skipping insertion in model container [2022-10-17 10:23:47,053 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:23:47,054 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:23:22" (2/3) ... [2022-10-17 10:23:47,054 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@22101412 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.10 10:23:47, skipping insertion in model container [2022-10-17 10:23:47,054 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:23:47,055 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:23:47" (3/3) ... [2022-10-17 10:23:47,056 INFO L332 chiAutomizerObserver]: Analyzing ICFG elevator_spec13_product24.cil.c [2022-10-17 10:23:47,390 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-10-17 10:23:47,390 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-10-17 10:23:47,390 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-10-17 10:23:47,391 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-10-17 10:23:47,391 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-10-17 10:23:47,391 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-10-17 10:23:47,391 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-10-17 10:23:47,391 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-10-17 10:23:47,468 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17942 states, 17941 states have (on average 1.8775430578005685) internal successors, (33685), 17941 states have internal predecessors, (33685), 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) [2022-10-17 10:23:48,082 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 4074 [2022-10-17 10:23:48,082 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:23:48,082 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:23:48,091 INFO L148 hiAutomatonCegarLoop]: 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] [2022-10-17 10:23:48,091 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:23:48,091 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-10-17 10:23:48,123 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17942 states, 17941 states have (on average 1.8775430578005685) internal successors, (33685), 17941 states have internal predecessors, (33685), 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) [2022-10-17 10:23:48,340 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 4074 [2022-10-17 10:23:48,341 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:23:48,341 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:23:48,343 INFO L148 hiAutomatonCegarLoop]: 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] [2022-10-17 10:23:48,343 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:23:48,350 INFO L748 eck$LassoCheckResult]: Stem: 7237#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(32, 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);~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~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;~cleanupTimeShifts~0 := 12;~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;~prevDir~0 := 0; 4323#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret129#1, main_~retValue_acc~23#1, main_~tmp~27#1;havoc main_~retValue_acc~23#1;havoc main_~tmp~27#1;assume { :begin_inline_select_helpers } true; 1352#L3440true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 15645#L3433true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~31#1;havoc valid_product_~retValue_acc~31#1;valid_product_~retValue_acc~31#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~31#1; 2933#L3448true main_#t~ret129#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~27#1 := main_#t~ret129#1;havoc main_#t~ret129#1; 17085#L2436true assume 0 != main_~tmp~27#1;assume { :begin_inline_setup } true; 15767#L2410true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;assume { :begin_inline_aliceCall } true;havoc aliceCall_#t~ret118#1, aliceCall_~tmp~20#1;havoc aliceCall_~tmp~20#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~28#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~28#1; 10918#L3343true assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~28#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~28#1; 1368#L3368true aliceCall_#t~ret118#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~20#1 := aliceCall_#t~ret118#1;havoc aliceCall_#t~ret118#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~20#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 10917#L2903true assume 0 == initPersonOnFloor_~floor#1; 5057#L2904true assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 12177#L3011-1true assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 4414#L2695true assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 8112#L2707-2true assume { :end_inline_callOnFloor } true; 17775#L3047true assume { :end_inline_initPersonOnFloor } true; 14483#L2171true assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret119#1, angelinaCall_~tmp~21#1;havoc angelinaCall_~tmp~21#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~28#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~28#1; 17526#L3343-1true assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~28#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~28#1; 4158#L3368-1true angelinaCall_#t~ret119#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~21#1 := angelinaCall_#t~ret119#1;havoc angelinaCall_#t~ret119#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~21#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 4640#L2903-1true assume 0 == initPersonOnFloor_~floor#1; 1139#L2904-2true assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 2971#L3011-3true assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 11531#L2695-2true assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 17870#L2707-5true assume { :end_inline_callOnFloor } true; 16445#L3047-1true assume { :end_inline_initPersonOnFloor } true; 627#L2182true assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret86#1, timeShift_~tmp~16#1;havoc timeShift_~tmp~16#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret136#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~7#1;havoc getCurrentHeading_~retValue_acc~7#1;getCurrentHeading_~retValue_acc~7#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~7#1; 6848#L732true __utac_acc__Specification13_spec__1_#t~ret136#1 := getCurrentHeading_#res#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret136#1;havoc __utac_acc__Specification13_spec__1_#t~ret136#1; 4970#L3219true assume { :end_inline___utac_acc__Specification13_spec__1 } true;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~5#1;havoc areDoorsOpen_~retValue_acc~5#1;areDoorsOpen_~retValue_acc~5#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~5#1; 10796#L689true timeShift_#t~ret86#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~16#1 := timeShift_#t~ret86#1;havoc timeShift_#t~ret86#1; 17003#L1702true assume 0 != timeShift_~tmp~16#1; 8539#L1703true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 3721#L1702-1true assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret137#1, __utac_acc__Specification13_spec__2_#t~ret138#1, __utac_acc__Specification13_spec__2_#t~ret139#1, __utac_acc__Specification13_spec__2_#t~ret140#1, __utac_acc__Specification13_spec__2_#t~ret141#1, __utac_acc__Specification13_spec__2_#t~ret142#1, __utac_acc__Specification13_spec__2_~tmp~30#1, __utac_acc__Specification13_spec__2_~tmp___0~13#1, __utac_acc__Specification13_spec__2_~tmp___1~8#1, __utac_acc__Specification13_spec__2_~tmp___2~6#1, __utac_acc__Specification13_spec__2_~tmp___3~5#1, __utac_acc__Specification13_spec__2_~tmp___4~3#1, __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1, __utac_acc__Specification13_spec__2_~__cil_tmp8~8#1;havoc __utac_acc__Specification13_spec__2_~tmp~30#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~13#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~8#1;havoc __utac_acc__Specification13_spec__2_~tmp___2~6#1;havoc __utac_acc__Specification13_spec__2_~tmp___3~5#1;havoc __utac_acc__Specification13_spec__2_~tmp___4~3#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp8~8#1;__utac_acc__Specification13_spec__2_~__cil_tmp7~7#1 := 2 * ~maximumWeight~0;__utac_acc__Specification13_spec__2_~__cil_tmp8~8#1 := (if __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1 < 0 && 0 != __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1 % 3 then 1 + __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1 / 3 else __utac_acc__Specification13_spec__2_~__cil_tmp7~7#1 / 3); 1560#L3236true assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~8#1; 7771#L3237true assume 1 == ~prevDir~0;assume { :begin_inline_existInLiftCallsInDirection } true;existInLiftCallsInDirection_#in~d#1 := 0;havoc existInLiftCallsInDirection_#res#1;havoc existInLiftCallsInDirection_~d#1, existInLiftCallsInDirection_~retValue_acc~19#1, existInLiftCallsInDirection_~i~0#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~19#1;havoc existInLiftCallsInDirection_~i~0#1;havoc existInLiftCallsInDirection_~i___0~0#1; 17340#L1922true assume 1 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i~0#1 := 0;existInLiftCallsInDirection_~i~0#1 := 1 + ~currentFloorID~0; 13684#L1926-2true [2022-10-17 10:23:48,351 INFO L750 eck$LassoCheckResult]: Loop: 13684#L1926-2true assume !false; 17207#L1927true assume existInLiftCallsInDirection_~i~0#1 < 5; 17552#L1928true assume !(0 == existInLiftCallsInDirection_~i~0#1); 6171#L1941true assume !(1 == existInLiftCallsInDirection_~i~0#1); 17377#L1950true assume !(2 == existInLiftCallsInDirection_~i~0#1); 11302#L1959true assume !(3 == existInLiftCallsInDirection_~i~0#1); 54#L1968true assume !(4 == existInLiftCallsInDirection_~i~0#1); 13115#L1969-1true existInLiftCallsInDirection_~i~0#1 := 1 + existInLiftCallsInDirection_~i~0#1; 13684#L1926-2true [2022-10-17 10:23:48,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:23:48,365 INFO L85 PathProgramCache]: Analyzing trace with hash -1530792437, now seen corresponding path program 1 times [2022-10-17 10:23:48,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:23:48,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585786267] [2022-10-17 10:23:48,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:23:48,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:23:48,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:23:48,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:23:48,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:23:48,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585786267] [2022-10-17 10:23:48,882 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585786267] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:23:48,882 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:23:48,882 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-17 10:23:48,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139739446] [2022-10-17 10:23:48,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:23:48,888 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-10-17 10:23:48,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:23:48,889 INFO L85 PathProgramCache]: Analyzing trace with hash 629105533, now seen corresponding path program 1 times [2022-10-17 10:23:48,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:23:48,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49885221] [2022-10-17 10:23:48,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:23:48,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:23:48,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:23:48,897 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:23:48,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:23:48,919 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:23:48,970 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:23:48,971 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:23:48,971 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:23:48,971 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:23:48,971 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-10-17 10:23:48,971 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:23:48,972 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:23:48,972 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:23:48,972 INFO L133 ssoRankerPreferences]: Filename of dumped script: elevator_spec13_product24.cil.c_Iteration1_Loop [2022-10-17 10:23:48,972 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:23:48,972 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:23:48,992 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:23:49,092 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:23:49,092 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-10-17 10:23:49,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:23:49,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1075823d-320c-444a-9ad6-7a03982a833a/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:23:49,126 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1075823d-320c-444a-9ad6-7a03982a833a/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:23:49,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1075823d-320c-444a-9ad6-7a03982a833a/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-10-17 10:23:49,143 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:23:49,143 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:23:49,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1075823d-320c-444a-9ad6-7a03982a833a/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-10-17 10:23:49,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:23:49,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1075823d-320c-444a-9ad6-7a03982a833a/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:23:49,195 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1075823d-320c-444a-9ad6-7a03982a833a/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:23:49,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1075823d-320c-444a-9ad6-7a03982a833a/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-10-17 10:23:49,200 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-10-17 10:23:49,200 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:23:49,243 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-10-17 10:23:49,245 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1075823d-320c-444a-9ad6-7a03982a833a/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-10-17 10:23:49,258 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:23:49,258 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:23:49,258 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:23:49,258 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:23:49,258 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-10-17 10:23:49,258 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:23:49,259 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:23:49,259 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:23:49,259 INFO L133 ssoRankerPreferences]: Filename of dumped script: elevator_spec13_product24.cil.c_Iteration1_Loop [2022-10-17 10:23:49,259 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:23:49,259 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:23:49,260 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:23:49,326 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:23:49,330 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-10-17 10:23:49,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:23:49,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1075823d-320c-444a-9ad6-7a03982a833a/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:23:49,346 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1075823d-320c-444a-9ad6-7a03982a833a/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:23:49,367 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 [2022-10-17 10:23:49,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1075823d-320c-444a-9ad6-7a03982a833a/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-10-17 10:23:49,375 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:23:49,375 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:23:49,376 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:23:49,376 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:23:49,376 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:23:49,378 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:23:49,379 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:23:49,392 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-10-17 10:23:49,397 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2022-10-17 10:23:49,398 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-10-17 10:23:49,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:23:49,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1075823d-320c-444a-9ad6-7a03982a833a/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:23:49,401 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1075823d-320c-444a-9ad6-7a03982a833a/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:23:49,405 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-10-17 10:23:49,405 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-10-17 10:23:49,406 INFO L513 LassoAnalysis]: Proved termination. [2022-10-17 10:23:49,407 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_existInLiftCallsInDirection_~i~0#1) = -1*ULTIMATE.start_existInLiftCallsInDirection_~i~0#1 Supporting invariants [] [2022-10-17 10:23:49,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1075823d-320c-444a-9ad6-7a03982a833a/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-10-17 10:23:49,442 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1075823d-320c-444a-9ad6-7a03982a833a/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-10-17 10:23:49,445 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-10-17 10:23:49,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier