./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/elevator_spec13_product32.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e212159-4b8a-4733-b379-15e0f4369508/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e212159-4b8a-4733-b379-15e0f4369508/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e212159-4b8a-4733-b379-15e0f4369508/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e212159-4b8a-4733-b379-15e0f4369508/bin/uautomizer-tPACEb0tL8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/elevator_spec13_product32.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e212159-4b8a-4733-b379-15e0f4369508/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e212159-4b8a-4733-b379-15e0f4369508/bin/uautomizer-tPACEb0tL8 --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 e7c9485412041f5ced738777edbcc586e5ce326d6f265b136a50fe41e5db19fb --- 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-e04fb08 [2022-11-16 12:41:15,030 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:41:15,032 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:41:15,053 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:41:15,053 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:41:15,054 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:41:15,056 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:41:15,058 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:41:15,060 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:41:15,061 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:41:15,062 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:41:15,063 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:41:15,064 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:41:15,065 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:41:15,066 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:41:15,068 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:41:15,069 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:41:15,070 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:41:15,072 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:41:15,074 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:41:15,075 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:41:15,077 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:41:15,078 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:41:15,079 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:41:15,083 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:41:15,084 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:41:15,084 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:41:15,085 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:41:15,086 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:41:15,087 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:41:15,088 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:41:15,089 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:41:15,090 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:41:15,091 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:41:15,092 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:41:15,092 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:41:15,093 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:41:15,093 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:41:15,094 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:41:15,095 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:41:15,096 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:41:15,097 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e212159-4b8a-4733-b379-15e0f4369508/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-16 12:41:15,120 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:41:15,120 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:41:15,121 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:41:15,121 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:41:15,122 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:41:15,122 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:41:15,123 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:41:15,123 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-16 12:41:15,123 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-16 12:41:15,123 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-16 12:41:15,124 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-16 12:41:15,124 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-16 12:41:15,124 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-16 12:41:15,124 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:41:15,124 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 12:41:15,125 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 12:41:15,125 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:41:15,125 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 12:41:15,125 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:41:15,125 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-16 12:41:15,126 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-16 12:41:15,126 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-16 12:41:15,126 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 12:41:15,126 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:41:15,126 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-16 12:41:15,127 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:41:15,127 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-16 12:41:15,127 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:41:15,127 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:41:15,128 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:41:15,128 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:41:15,129 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-16 12:41:15,129 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_9e212159-4b8a-4733-b379-15e0f4369508/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e212159-4b8a-4733-b379-15e0f4369508/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e7c9485412041f5ced738777edbcc586e5ce326d6f265b136a50fe41e5db19fb [2022-11-16 12:41:15,396 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:41:15,425 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:41:15,428 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:41:15,430 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:41:15,431 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:41:15,432 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e212159-4b8a-4733-b379-15e0f4369508/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/product-lines/elevator_spec13_product32.cil.c [2022-11-16 12:41:15,528 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e212159-4b8a-4733-b379-15e0f4369508/bin/uautomizer-tPACEb0tL8/data/c3bd55a05/72abbf44e9a8483ea28ef50d85d5dcdd/FLAGf23cf4167 [2022-11-16 12:41:16,173 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:41:16,174 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e212159-4b8a-4733-b379-15e0f4369508/sv-benchmarks/c/product-lines/elevator_spec13_product32.cil.c [2022-11-16 12:41:16,193 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e212159-4b8a-4733-b379-15e0f4369508/bin/uautomizer-tPACEb0tL8/data/c3bd55a05/72abbf44e9a8483ea28ef50d85d5dcdd/FLAGf23cf4167 [2022-11-16 12:41:16,404 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e212159-4b8a-4733-b379-15e0f4369508/bin/uautomizer-tPACEb0tL8/data/c3bd55a05/72abbf44e9a8483ea28ef50d85d5dcdd [2022-11-16 12:41:16,406 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:41:16,408 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:41:16,409 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:41:16,410 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:41:16,414 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:41:16,416 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:41:16" (1/1) ... [2022-11-16 12:41:16,417 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b4f5a0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:41:16, skipping insertion in model container [2022-11-16 12:41:16,419 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:41:16" (1/1) ... [2022-11-16 12:41:16,428 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:41:16,494 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:41:16,708 WARN L229 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_9e212159-4b8a-4733-b379-15e0f4369508/sv-benchmarks/c/product-lines/elevator_spec13_product32.cil.c[1546,1559] [2022-11-16 12:41:17,110 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:41:17,125 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:41:17,145 WARN L229 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_9e212159-4b8a-4733-b379-15e0f4369508/sv-benchmarks/c/product-lines/elevator_spec13_product32.cil.c[1546,1559] [2022-11-16 12:41:17,239 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:41:17,263 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:41:17,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:41:17 WrapperNode [2022-11-16 12:41:17,264 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:41:17,265 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:41:17,265 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:41:17,266 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:41:17,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:41:17" (1/1) ... [2022-11-16 12:41:17,313 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:41:17" (1/1) ... [2022-11-16 12:41:18,174 INFO L138 Inliner]: procedures = 97, calls = 354, calls flagged for inlining = 206, calls inlined = 2055, statements flattened = 69864 [2022-11-16 12:41:18,175 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:41:18,176 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:41:18,176 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:41:18,176 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:41:18,187 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:41:17" (1/1) ... [2022-11-16 12:41:18,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:41:17" (1/1) ... [2022-11-16 12:41:18,396 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:41:17" (1/1) ... [2022-11-16 12:41:18,396 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:41:17" (1/1) ... [2022-11-16 12:41:18,997 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:41:17" (1/1) ... [2022-11-16 12:41:19,595 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:41:17" (1/1) ... [2022-11-16 12:41:19,828 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:41:17" (1/1) ... [2022-11-16 12:41:19,891 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:41:17" (1/1) ... [2022-11-16 12:41:20,214 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:41:20,215 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:41:20,216 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:41:20,216 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:41:20,231 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:41:17" (1/1) ... [2022-11-16 12:41:20,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:41:20,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e212159-4b8a-4733-b379-15e0f4369508/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:41:20,280 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e212159-4b8a-4733-b379-15e0f4369508/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:41:20,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e212159-4b8a-4733-b379-15e0f4369508/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-16 12:41:20,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 12:41:20,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 12:41:20,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:41:20,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:41:20,711 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:41:20,713 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:41:46,418 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:41:46,503 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:41:46,504 INFO L300 CfgBuilder]: Removed 61 assume(true) statements. [2022-11-16 12:41:46,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:41:46 BoogieIcfgContainer [2022-11-16 12:41:46,522 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:41:46,525 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-16 12:41:46,525 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-16 12:41:46,532 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-16 12:41:46,533 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:41:46,533 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.11 12:41:16" (1/3) ... [2022-11-16 12:41:46,534 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@58b47ac2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:41:46, skipping insertion in model container [2022-11-16 12:41:46,535 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:41:46,535 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:41:17" (2/3) ... [2022-11-16 12:41:46,535 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@58b47ac2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:41:46, skipping insertion in model container [2022-11-16 12:41:46,535 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:41:46,536 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:41:46" (3/3) ... [2022-11-16 12:41:46,537 INFO L332 chiAutomizerObserver]: Analyzing ICFG elevator_spec13_product32.cil.c [2022-11-16 12:41:46,867 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-16 12:41:46,867 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-16 12:41:46,868 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-16 12:41:46,869 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-16 12:41:46,869 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-16 12:41:46,869 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-16 12:41:46,869 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-16 12:41:46,870 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-16 12:41:46,937 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18482 states, 18481 states have (on average 1.8746279963205454) internal successors, (34645), 18481 states have internal predecessors, (34645), 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) [2022-11-16 12:41:47,370 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 4182 [2022-11-16 12:41:47,371 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:41:47,371 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:41:47,383 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] [2022-11-16 12:41:47,383 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:41:47,383 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-16 12:41:47,444 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18482 states, 18481 states have (on average 1.8746279963205454) internal successors, (34645), 18481 states have internal predecessors, (34645), 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) [2022-11-16 12:41:47,719 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 4182 [2022-11-16 12:41:47,719 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:41:47,719 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:41:47,723 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] [2022-11-16 12:41:47,724 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:41:47,743 INFO L748 eck$LassoCheckResult]: Stem: 7528#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);~doorState~0 := 1;~maximumWeight~0 := 100;~personOnFloor_0_0~0 := 0;~personOnFloor_0_1~0 := 0;~personOnFloor_0_2~0 := 0;~personOnFloor_2_0~0 := 0;~personOnFloor_0_3~0 := 0;~personOnFloor_2_1~0 := 0;~personOnFloor_0_4~0 := 0;~personOnFloor_2_2~0 := 0;~personOnFloor_4_0~0 := 0;~personOnFloor_2_3~0 := 0;~personOnFloor_4_1~0 := 0;~personOnFloor_3_3~0 := 0;~personOnFloor_5_1~0 := 0;~personOnFloor_3_4~0 := 0;~personOnFloor_5_2~0 := 0;~personOnFloor_5_3~0 := 0;~personOnFloor_5_4~0 := 0;~persons_3~0 := 0;~weight~0 := 0;~persons_4~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_5~0 := 0;~persons_0~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~prevDir~0 := 0;~blocked~0 := 0;~personOnFloor_1_0~0 := 0;~personOnFloor_1_1~0 := 0;~personOnFloor_1_2~0 := 0;~personOnFloor_3_0~0 := 0;~personOnFloor_1_3~0 := 0;~personOnFloor_3_1~0 := 0;~personOnFloor_1_4~0 := 0;~personOnFloor_3_2~0 := 0;~personOnFloor_5_0~0 := 0;~personOnFloor_2_4~0 := 0;~personOnFloor_4_2~0 := 0;~personOnFloor_4_3~0 := 0;~personOnFloor_4_4~0 := 0;~executiveFloor~0 := 4;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~currentHeading~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~cleanupTimeShifts~0 := 12;~calls_1~0 := 0;~calls_0~0 := 0;~calls_4~0 := 0;~calls_3~0 := 0;~calls_2~0 := 0;~currentFloorID~0 := 0; 4610#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret30#1, main_~retValue_acc~1#1, main_~tmp~11#1;havoc main_~retValue_acc~1#1;havoc main_~tmp~11#1;assume { :begin_inline_select_helpers } true; 3816#L1414true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 11720#L1407true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 2841#L1422true main_#t~ret30#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~11#1 := main_#t~ret30#1;havoc main_#t~ret30#1; 3984#L591true assume 0 != main_~tmp~11#1;assume { :begin_inline_setup } true; 14600#L564true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;assume { :begin_inline_aliceCall } true;havoc aliceCall_#t~ret19#1, aliceCall_~tmp~4#1;havoc aliceCall_~tmp~4#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~6#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~6#1; 6776#L1317true assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~6#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~6#1; 11787#L1342true aliceCall_#t~ret19#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~4#1 := aliceCall_#t~ret19#1;havoc aliceCall_#t~ret19#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~4#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 13493#L964true assume 0 == initPersonOnFloor_~floor#1; 17883#L965true assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 383#L1072-1true assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 13214#L756true assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 11191#L768-2true assume { :end_inline_callOnFloor } true; 11975#L1108true assume { :end_inline_initPersonOnFloor } true; 940#L324true assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret20#1, angelinaCall_~tmp~5#1;havoc angelinaCall_~tmp~5#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~6#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~6#1; 14637#L1317-1true assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~6#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~6#1; 17106#L1342-1true angelinaCall_#t~ret20#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~5#1 := angelinaCall_#t~ret20#1;havoc angelinaCall_#t~ret20#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~5#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 819#L964-1true assume 0 == initPersonOnFloor_~floor#1; 6158#L965-2true assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 5684#L1072-3true assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 10078#L756-2true assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 6977#L768-5true assume { :end_inline_callOnFloor } true; 5142#L1108-1true assume { :end_inline_initPersonOnFloor } true; 4457#L335true assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret115#1, timeShift_~tmp~29#1;havoc timeShift_~tmp~29#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret10#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~17#1;havoc getCurrentHeading_~retValue_acc~17#1;getCurrentHeading_~retValue_acc~17#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~17#1; 15888#L2092true __utac_acc__Specification13_spec__1_#t~ret10#1 := getCurrentHeading_#res#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret10#1;havoc __utac_acc__Specification13_spec__1_#t~ret10#1; 4947#L170true assume { :end_inline___utac_acc__Specification13_spec__1 } true;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; 9011#L2049true timeShift_#t~ret115#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~29#1 := timeShift_#t~ret115#1;havoc timeShift_#t~ret115#1; 976#L3060true assume 0 != timeShift_~tmp~29#1; 9958#L3061true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 9243#L3060-1true assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret11#1, __utac_acc__Specification13_spec__2_#t~ret12#1, __utac_acc__Specification13_spec__2_#t~ret13#1, __utac_acc__Specification13_spec__2_#t~ret14#1, __utac_acc__Specification13_spec__2_#t~ret15#1, __utac_acc__Specification13_spec__2_#t~ret16#1, __utac_acc__Specification13_spec__2_~tmp~2#1, __utac_acc__Specification13_spec__2_~tmp___0~2#1, __utac_acc__Specification13_spec__2_~tmp___1~2#1, __utac_acc__Specification13_spec__2_~tmp___2~0#1, __utac_acc__Specification13_spec__2_~tmp___3~0#1, __utac_acc__Specification13_spec__2_~tmp___4~0#1, __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1, __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1;havoc __utac_acc__Specification13_spec__2_~tmp~2#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~2#1;havoc __utac_acc__Specification13_spec__2_~tmp___2~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___3~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___4~0#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1;__utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 := 2 * ~maximumWeight~0;__utac_acc__Specification13_spec__2_~__cil_tmp8~0#1 := (if __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 < 0 && 0 != __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 % 3 then 1 + __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 / 3 else __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 / 3); 17947#L188true assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1; 7632#L189true 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~29#1, existInLiftCallsInDirection_~i~3#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~29#1;havoc existInLiftCallsInDirection_~i~3#1;havoc existInLiftCallsInDirection_~i___0~0#1; 2913#L3280true assume 1 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i~3#1 := 0;existInLiftCallsInDirection_~i~3#1 := 1 + ~currentFloorID~0; 15183#L3284-2true [2022-11-16 12:41:47,748 INFO L750 eck$LassoCheckResult]: Loop: 15183#L3284-2true assume !false; 3442#L3285true assume existInLiftCallsInDirection_~i~3#1 < 5; 5592#L3286true assume !(0 == existInLiftCallsInDirection_~i~3#1); 11227#L3299true assume !(1 == existInLiftCallsInDirection_~i~3#1); 11513#L3308true assume !(2 == existInLiftCallsInDirection_~i~3#1); 17187#L3317true assume !(3 == existInLiftCallsInDirection_~i~3#1); 15229#L3326true assume !(4 == existInLiftCallsInDirection_~i~3#1); 3541#L3327-1true existInLiftCallsInDirection_~i~3#1 := 1 + existInLiftCallsInDirection_~i~3#1; 15183#L3284-2true [2022-11-16 12:41:47,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:41:47,756 INFO L85 PathProgramCache]: Analyzing trace with hash -1516016117, now seen corresponding path program 1 times [2022-11-16 12:41:47,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:41:47,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641957510] [2022-11-16 12:41:47,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:41:47,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:41:48,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:48,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:41:48,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:41:48,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641957510] [2022-11-16 12:41:48,432 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641957510] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:41:48,433 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:41:48,433 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:41:48,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91407436] [2022-11-16 12:41:48,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:41:48,442 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-16 12:41:48,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:41:48,444 INFO L85 PathProgramCache]: Analyzing trace with hash 1774605181, now seen corresponding path program 1 times [2022-11-16 12:41:48,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:41:48,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122117484] [2022-11-16 12:41:48,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:41:48,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:41:48,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:41:48,455 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:41:48,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:41:48,487 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:41:48,564 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:41:48,565 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:41:48,565 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:41:48,565 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:41:48,565 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-16 12:41:48,566 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:41:48,566 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:41:48,567 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:41:48,567 INFO L133 ssoRankerPreferences]: Filename of dumped script: elevator_spec13_product32.cil.c_Iteration1_Loop [2022-11-16 12:41:48,567 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:41:48,568 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:41:48,596 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:41:48,744 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:41:48,745 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-16 12:41:48,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:41:48,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e212159-4b8a-4733-b379-15e0f4369508/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:41:48,784 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e212159-4b8a-4733-b379-15e0f4369508/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:41:48,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e212159-4b8a-4733-b379-15e0f4369508/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-16 12:41:48,830 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 12:41:48,831 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 12:41:48,864 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e212159-4b8a-4733-b379-15e0f4369508/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-16 12:41:48,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:41:48,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e212159-4b8a-4733-b379-15e0f4369508/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:41:48,866 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e212159-4b8a-4733-b379-15e0f4369508/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:41:49,145 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-16 12:41:49,145 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 12:41:49,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e212159-4b8a-4733-b379-15e0f4369508/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-16 12:41:49,183 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-16 12:41:49,194 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e212159-4b8a-4733-b379-15e0f4369508/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-16 12:41:49,194 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:41:49,195 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:41:49,195 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:41:49,195 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:41:49,195 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 12:41:49,195 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:41:49,195 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:41:49,196 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:41:49,196 INFO L133 ssoRankerPreferences]: Filename of dumped script: elevator_spec13_product32.cil.c_Iteration1_Loop [2022-11-16 12:41:49,196 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:41:49,196 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:41:49,198 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:41:49,282 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:41:49,287 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 12:41:49,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:41:49,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e212159-4b8a-4733-b379-15e0f4369508/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:41:49,295 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e212159-4b8a-4733-b379-15e0f4369508/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:41:49,300 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 [2022-11-16 12:41:49,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e212159-4b8a-4733-b379-15e0f4369508/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-16 12:41:49,316 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:41:49,316 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:41:49,317 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:41:49,317 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:41:49,318 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:41:49,321 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:41:49,322 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:41:49,332 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 12:41:49,340 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-16 12:41:49,341 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-11-16 12:41:49,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:41:49,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e212159-4b8a-4733-b379-15e0f4369508/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:41:49,347 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e212159-4b8a-4733-b379-15e0f4369508/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:41:49,355 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 12:41:49,355 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-16 12:41:49,356 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 12:41:49,357 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_existInLiftCallsInDirection_~i~3#1) = -1*ULTIMATE.start_existInLiftCallsInDirection_~i~3#1 Supporting invariants [] [2022-11-16 12:41:49,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e212159-4b8a-4733-b379-15e0f4369508/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-16 12:41:49,367 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e212159-4b8a-4733-b379-15e0f4369508/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-16 12:41:49,370 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-16 12:41:49,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:41:49,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:49,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 12:41:49,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:41:49,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:49,693 WARN L261 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:41:49,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:41:49,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:41:49,995 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 7 loop predicates [2022-11-16 12:41:50,026 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 18482 states, 18481 states have (on average 1.8746279963205454) internal successors, (34645), 18481 states have internal predecessors, (34645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 9 states have internal predecessors, (42), 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) [2022-11-16 12:41:52,000 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e212159-4b8a-4733-b379-15e0f4369508/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2022-11-16 12:42:01,641 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 18482 states, 18481 states have (on average 1.8746279963205454) internal successors, (34645), 18481 states have internal predecessors, (34645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 9 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 217756 states and 408017 transitions. Complement of second has 18 states. [2022-11-16 12:42:01,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 1 stem states 7 non-accepting loop states 1 accepting loop states [2022-11-16 12:42:01,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 9 states have internal predecessors, (42), 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) [2022-11-16 12:42:01,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 221339 transitions. [2022-11-16 12:42:01,994 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 221339 transitions. Stem has 34 letters. Loop has 8 letters. [2022-11-16 12:42:01,995 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:42:01,995 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 221339 transitions. Stem has 42 letters. Loop has 8 letters. [2022-11-16 12:42:01,996 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:42:01,996 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 221339 transitions. Stem has 34 letters. Loop has 16 letters. [2022-11-16 12:42:01,997 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:42:01,998 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 217756 states and 408017 transitions. [2022-11-16 12:42:04,033 INFO L131 ngComponentsAnalysis]: Automaton has 66 accepting balls. 29608 [2022-11-16 12:42:04,958 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 217756 states to 118005 states and 221062 transitions. [2022-11-16 12:42:04,959 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 117975 [2022-11-16 12:42:05,124 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 117976 [2022-11-16 12:42:05,125 INFO L73 IsDeterministic]: Start isDeterministic. Operand 118005 states and 221062 transitions. [2022-11-16 12:42:05,127 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:42:05,128 INFO L218 hiAutomatonCegarLoop]: Abstraction has 118005 states and 221062 transitions. [2022-11-16 12:42:05,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118005 states and 221062 transitions. [2022-11-16 12:42:07,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118005 to 33236. [2022-11-16 12:42:07,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33236 states, 33236 states have (on average 1.87089300758214) internal successors, (62181), 33235 states have internal predecessors, (62181), 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) [2022-11-16 12:42:07,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33236 states to 33236 states and 62181 transitions. [2022-11-16 12:42:07,232 INFO L240 hiAutomatonCegarLoop]: Abstraction has 33236 states and 62181 transitions. [2022-11-16 12:42:07,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:42:07,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 12:42:07,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:42:07,241 INFO L87 Difference]: Start difference. First operand 33236 states and 62181 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 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) [2022-11-16 12:42:08,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:42:08,895 INFO L93 Difference]: Finished difference Result 48015 states and 89681 transitions. [2022-11-16 12:42:08,895 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48015 states and 89681 transitions. [2022-11-16 12:42:09,124 INFO L131 ngComponentsAnalysis]: Automaton has 78 accepting balls. 15906 [2022-11-16 12:42:09,377 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48015 states to 48002 states and 89668 transitions. [2022-11-16 12:42:09,377 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 47983 [2022-11-16 12:42:09,440 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 47983 [2022-11-16 12:42:09,440 INFO L73 IsDeterministic]: Start isDeterministic. Operand 48002 states and 89668 transitions. [2022-11-16 12:42:09,446 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 12:42:09,446 INFO L218 hiAutomatonCegarLoop]: Abstraction has 48002 states and 89668 transitions. [2022-11-16 12:42:09,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48002 states and 89668 transitions. [2022-11-16 12:42:09,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48002 to 18479. [2022-11-16 12:42:09,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18479 states, 18479 states have (on average 1.8680123383299962) internal successors, (34519), 18478 states have internal predecessors, (34519), 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) [2022-11-16 12:42:10,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18479 states to 18479 states and 34519 transitions. [2022-11-16 12:42:10,471 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18479 states and 34519 transitions. [2022-11-16 12:42:10,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 12:42:10,472 INFO L428 stractBuchiCegarLoop]: Abstraction has 18479 states and 34519 transitions. [2022-11-16 12:42:10,472 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-16 12:42:10,473 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18479 states and 34519 transitions. [2022-11-16 12:42:10,540 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 4182 [2022-11-16 12:42:10,541 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:42:10,541 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:42:10,544 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, 1, 1, 1] [2022-11-16 12:42:10,545 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:42:10,545 INFO L748 eck$LassoCheckResult]: Stem: 330482#ULTIMATE.startENTRY 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);~doorState~0 := 1;~maximumWeight~0 := 100;~personOnFloor_0_0~0 := 0;~personOnFloor_0_1~0 := 0;~personOnFloor_0_2~0 := 0;~personOnFloor_2_0~0 := 0;~personOnFloor_0_3~0 := 0;~personOnFloor_2_1~0 := 0;~personOnFloor_0_4~0 := 0;~personOnFloor_2_2~0 := 0;~personOnFloor_4_0~0 := 0;~personOnFloor_2_3~0 := 0;~personOnFloor_4_1~0 := 0;~personOnFloor_3_3~0 := 0;~personOnFloor_5_1~0 := 0;~personOnFloor_3_4~0 := 0;~personOnFloor_5_2~0 := 0;~personOnFloor_5_3~0 := 0;~personOnFloor_5_4~0 := 0;~persons_3~0 := 0;~weight~0 := 0;~persons_4~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_5~0 := 0;~persons_0~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~prevDir~0 := 0;~blocked~0 := 0;~personOnFloor_1_0~0 := 0;~personOnFloor_1_1~0 := 0;~personOnFloor_1_2~0 := 0;~personOnFloor_3_0~0 := 0;~personOnFloor_1_3~0 := 0;~personOnFloor_3_1~0 := 0;~personOnFloor_1_4~0 := 0;~personOnFloor_3_2~0 := 0;~personOnFloor_5_0~0 := 0;~personOnFloor_2_4~0 := 0;~personOnFloor_4_2~0 := 0;~personOnFloor_4_3~0 := 0;~personOnFloor_4_4~0 := 0;~executiveFloor~0 := 4;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~currentHeading~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~cleanupTimeShifts~0 := 12;~calls_1~0 := 0;~calls_0~0 := 0;~calls_4~0 := 0;~calls_3~0 := 0;~calls_2~0 := 0;~currentFloorID~0 := 0; 326736#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret30#1, main_~retValue_acc~1#1, main_~tmp~11#1;havoc main_~retValue_acc~1#1;havoc main_~tmp~11#1;assume { :begin_inline_select_helpers } true; 325480#L1414 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 325481#L1407 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 323815#L1422 main_#t~ret30#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~11#1 := main_#t~ret30#1;havoc main_#t~ret30#1; 323816#L591 assume 0 != main_~tmp~11#1;assume { :begin_inline_setup } true; 325737#L564 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;assume { :begin_inline_aliceCall } true;havoc aliceCall_#t~ret19#1, aliceCall_~tmp~4#1;havoc aliceCall_~tmp~4#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~6#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~6#1; 329636#L1317 assume !(0 == getOrigin_~person#1); 329083#L1321 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~6#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~6#1; 326600#L1342 aliceCall_#t~ret19#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~4#1 := aliceCall_#t~ret19#1;havoc aliceCall_#t~ret19#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~4#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 334061#L964 assume 0 == initPersonOnFloor_~floor#1; 335051#L965 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 318687#L1072-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 318688#L756 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 319027#L768-2 assume { :end_inline_callOnFloor } true; 333681#L1108 assume { :end_inline_initPersonOnFloor } true; 320033#L324 assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret20#1, angelinaCall_~tmp~5#1;havoc angelinaCall_~tmp~5#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~6#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~6#1; 320034#L1317-1 assume !(0 == getOrigin_~person#1); 329473#L1321-1 assume 1 == getOrigin_~person#1;getOrigin_~retValue_acc~6#1 := 3;getOrigin_#res#1 := getOrigin_~retValue_acc~6#1; 327873#L1342-1 angelinaCall_#t~ret20#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~5#1 := angelinaCall_#t~ret20#1;havoc angelinaCall_#t~ret20#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~5#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 319753#L964-1 assume 0 == initPersonOnFloor_~floor#1; 319754#L965-2 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 317669#L1072-3 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 328237#L756-2 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 324860#L768-5 assume { :end_inline_callOnFloor } true; 327498#L1108-1 assume { :end_inline_initPersonOnFloor } true; 326469#L335 assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret115#1, timeShift_~tmp~29#1;havoc timeShift_~tmp~29#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret10#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~17#1;havoc getCurrentHeading_~retValue_acc~17#1;getCurrentHeading_~retValue_acc~17#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~17#1; 326470#L2092 __utac_acc__Specification13_spec__1_#t~ret10#1 := getCurrentHeading_#res#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret10#1;havoc __utac_acc__Specification13_spec__1_#t~ret10#1; 327215#L170 assume { :end_inline___utac_acc__Specification13_spec__1 } true;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; 327216#L2049 timeShift_#t~ret115#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~29#1 := timeShift_#t~ret115#1;havoc timeShift_#t~ret115#1; 320113#L3060 assume 0 != timeShift_~tmp~29#1; 320115#L3061 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 332143#L3060-1 assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret11#1, __utac_acc__Specification13_spec__2_#t~ret12#1, __utac_acc__Specification13_spec__2_#t~ret13#1, __utac_acc__Specification13_spec__2_#t~ret14#1, __utac_acc__Specification13_spec__2_#t~ret15#1, __utac_acc__Specification13_spec__2_#t~ret16#1, __utac_acc__Specification13_spec__2_~tmp~2#1, __utac_acc__Specification13_spec__2_~tmp___0~2#1, __utac_acc__Specification13_spec__2_~tmp___1~2#1, __utac_acc__Specification13_spec__2_~tmp___2~0#1, __utac_acc__Specification13_spec__2_~tmp___3~0#1, __utac_acc__Specification13_spec__2_~tmp___4~0#1, __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1, __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1;havoc __utac_acc__Specification13_spec__2_~tmp~2#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~2#1;havoc __utac_acc__Specification13_spec__2_~tmp___2~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___3~0#1;havoc __utac_acc__Specification13_spec__2_~tmp___4~0#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1;__utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 := 2 * ~maximumWeight~0;__utac_acc__Specification13_spec__2_~__cil_tmp8~0#1 := (if __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 < 0 && 0 != __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 % 3 then 1 + __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 / 3 else __utac_acc__Specification13_spec__2_~__cil_tmp7~0#1 / 3); 332144#L188 assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~0#1; 330593#L189 assume !(1 == ~prevDir~0); 330594#L215 assume 0 == ~prevDir~0;assume { :begin_inline_existInLiftCallsInDirection } true;existInLiftCallsInDirection_#in~d#1 := 1;havoc existInLiftCallsInDirection_#res#1;havoc existInLiftCallsInDirection_~d#1, existInLiftCallsInDirection_~retValue_acc~29#1, existInLiftCallsInDirection_~i~3#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~29#1;havoc existInLiftCallsInDirection_~i~3#1;havoc existInLiftCallsInDirection_~i___0~0#1; 321488#L3280-2 assume 1 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i~3#1 := 0;existInLiftCallsInDirection_~i~3#1 := 1 + ~currentFloorID~0; 321490#L3284-8 [2022-11-16 12:42:10,546 INFO L750 eck$LassoCheckResult]: Loop: 321490#L3284-8 assume !false; 329683#L3285-2 assume existInLiftCallsInDirection_~i~3#1 < 5; 329684#L3286-2 assume !(0 == existInLiftCallsInDirection_~i~3#1); 325501#L3299-2 assume !(1 == existInLiftCallsInDirection_~i~3#1); 319391#L3308-2 assume !(2 == existInLiftCallsInDirection_~i~3#1); 326694#L3317-2 assume !(3 == existInLiftCallsInDirection_~i~3#1); 324037#L3326-2 assume !(4 == existInLiftCallsInDirection_~i~3#1); 335396#L3327-5 existInLiftCallsInDirection_~i~3#1 := 1 + existInLiftCallsInDirection_~i~3#1; 321490#L3284-8 [2022-11-16 12:42:10,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:42:10,547 INFO L85 PathProgramCache]: Analyzing trace with hash -1974373456, now seen corresponding path program 1 times [2022-11-16 12:42:10,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:42:10,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412135918] [2022-11-16 12:42:10,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:42:10,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:42:10,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:10,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:42:10,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:42:10,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412135918] [2022-11-16 12:42:10,770 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412135918] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:42:10,770 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:42:10,770 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 12:42:10,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788611454] [2022-11-16 12:42:10,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:42:10,771 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-16 12:42:10,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:42:10,772 INFO L85 PathProgramCache]: Analyzing trace with hash -443123075, now seen corresponding path program 1 times [2022-11-16 12:42:10,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:42:10,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558950826] [2022-11-16 12:42:10,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:42:10,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:42:10,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:42:10,778 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:42:10,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:42:10,785 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:42:10,834 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:42:10,834 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:42:10,834 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:42:10,834 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:42:10,834 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-16 12:42:10,835 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:42:10,835 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:42:10,835 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:42:10,835 INFO L133 ssoRankerPreferences]: Filename of dumped script: elevator_spec13_product32.cil.c_Iteration2_Loop [2022-11-16 12:42:10,835 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:42:10,835 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:42:10,836 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:42:10,904 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:42:10,905 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-16 12:42:10,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:42:10,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e212159-4b8a-4733-b379-15e0f4369508/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:42:10,910 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e212159-4b8a-4733-b379-15e0f4369508/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:42:10,917 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 12:42:10,917 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 12:42:10,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e212159-4b8a-4733-b379-15e0f4369508/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-16 12:42:10,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e212159-4b8a-4733-b379-15e0f4369508/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-16 12:42:10,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:42:10,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e212159-4b8a-4733-b379-15e0f4369508/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:42:10,949 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e212159-4b8a-4733-b379-15e0f4369508/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:42:10,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e212159-4b8a-4733-b379-15e0f4369508/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-16 12:42:10,956 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-16 12:42:10,956 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 12:42:11,003 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-16 12:42:11,014 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e212159-4b8a-4733-b379-15e0f4369508/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-16 12:42:11,014 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:42:11,014 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:42:11,014 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:42:11,015 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:42:11,015 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 12:42:11,015 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:42:11,015 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:42:11,015 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:42:11,015 INFO L133 ssoRankerPreferences]: Filename of dumped script: elevator_spec13_product32.cil.c_Iteration2_Loop [2022-11-16 12:42:11,015 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:42:11,015 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:42:11,016 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:42:11,080 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:42:11,080 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 12:42:11,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:42:11,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e212159-4b8a-4733-b379-15e0f4369508/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:42:11,081 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e212159-4b8a-4733-b379-15e0f4369508/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:42:11,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e212159-4b8a-4733-b379-15e0f4369508/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-16 12:42:11,093 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 [2022-11-16 12:42:11,106 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:42:11,107 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:42:11,107 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:42:11,107 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:42:11,107 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:42:11,108 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:42:11,108 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:42:11,127 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 12:42:11,131 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-16 12:42:11,131 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-11-16 12:42:11,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:42:11,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e212159-4b8a-4733-b379-15e0f4369508/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:42:11,136 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e212159-4b8a-4733-b379-15e0f4369508/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:42:11,140 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 12:42:11,140 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-16 12:42:11,140 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 12:42:11,141 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_existInLiftCallsInDirection_~i~3#1) = -1*ULTIMATE.start_existInLiftCallsInDirection_~i~3#1 Supporting invariants [] [2022-11-16 12:42:11,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e212159-4b8a-4733-b379-15e0f4369508/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-16 12:42:11,150 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e212159-4b8a-4733-b379-15e0f4369508/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-16 12:42:11,151 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-16 12:42:11,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:42:11,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:11,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 12:42:11,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:42:11,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:42:11,365 WARN L261 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:42:11,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:42:11,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:42:11,583 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 7 loop predicates [2022-11-16 12:42:11,584 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18479 states and 34519 transitions. cyclomatic complexity: 16074 Second operand has 9 states, 9 states have (on average 5.0) internal successors, (45), 9 states have internal predecessors, (45), 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) [2022-11-16 12:42:12,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e212159-4b8a-4733-b379-15e0f4369508/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-16 12:42:22,546 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18479 states and 34519 transitions. cyclomatic complexity: 16074. Second operand has 9 states, 9 states have (on average 5.0) internal successors, (45), 9 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 202763 states and 379773 transitions. Complement of second has 17 states. [2022-11-16 12:42:22,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 1 stem states 7 non-accepting loop states 1 accepting loop states [2022-11-16 12:42:22,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 5.0) internal successors, (45), 9 states have internal predecessors, (45), 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) [2022-11-16 12:42:22,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 193304 transitions. [2022-11-16 12:42:22,721 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 193304 transitions. Stem has 37 letters. Loop has 8 letters. [2022-11-16 12:42:22,721 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:42:22,722 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 193304 transitions. Stem has 45 letters. Loop has 8 letters. [2022-11-16 12:42:22,722 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:42:22,722 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 193304 transitions. Stem has 37 letters. Loop has 16 letters. [2022-11-16 12:42:22,723 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:42:22,723 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 202763 states and 379773 transitions.