./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/elevator_spec9_product30.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13d16a37-267f-4175-a930-7b992c6ef554/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13d16a37-267f-4175-a930-7b992c6ef554/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13d16a37-267f-4175-a930-7b992c6ef554/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13d16a37-267f-4175-a930-7b992c6ef554/bin/uautomizer-J5u9QxTXDZ/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/elevator_spec9_product30.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13d16a37-267f-4175-a930-7b992c6ef554/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13d16a37-267f-4175-a930-7b992c6ef554/bin/uautomizer-J5u9QxTXDZ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1493e9da3ad278988eda47a556733ebc5ac5411d3350d76fb478293d9e5d934e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 10:18:38,984 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:18:38,987 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:18:39,058 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:18:39,059 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:18:39,066 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:18:39,069 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:18:39,074 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:18:39,082 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:18:39,084 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:18:39,086 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:18:39,089 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:18:39,090 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:18:39,100 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:18:39,102 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:18:39,104 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:18:39,106 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:18:39,109 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:18:39,112 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:18:39,117 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:18:39,123 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:18:39,125 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:18:39,129 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:18:39,131 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:18:39,144 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:18:39,144 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:18:39,145 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:18:39,146 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:18:39,146 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:18:39,148 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:18:39,148 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:18:39,149 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:18:39,151 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:18:39,152 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:18:39,153 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:18:39,153 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:18:39,154 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:18:39,155 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:18:39,155 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:18:39,156 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:18:39,157 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:18:39,158 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13d16a37-267f-4175-a930-7b992c6ef554/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-10-17 10:18:39,188 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:18:39,188 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:18:39,189 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:18:39,189 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:18:39,191 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:18:39,191 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:18:39,191 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:18:39,191 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-10-17 10:18:39,192 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-10-17 10:18:39,192 INFO L138 SettingsManager]: * Use old map elimination=false [2022-10-17 10:18:39,192 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-10-17 10:18:39,193 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-10-17 10:18:39,193 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-10-17 10:18:39,193 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:18:39,193 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 10:18:39,194 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 10:18:39,194 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:18:39,194 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 10:18:39,195 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:18:39,195 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-10-17 10:18:39,195 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-10-17 10:18:39,195 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-10-17 10:18:39,196 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 10:18:39,196 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:18:39,196 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-10-17 10:18:39,196 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:18:39,197 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-10-17 10:18:39,197 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:18:39,197 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:18:39,198 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:18:39,198 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:18:39,199 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-10-17 10:18:39,199 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_13d16a37-267f-4175-a930-7b992c6ef554/bin/uautomizer-J5u9QxTXDZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13d16a37-267f-4175-a930-7b992c6ef554/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1493e9da3ad278988eda47a556733ebc5ac5411d3350d76fb478293d9e5d934e [2022-10-17 10:18:39,480 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:18:39,533 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:18:39,537 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:18:39,538 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:18:39,539 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:18:39,541 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13d16a37-267f-4175-a930-7b992c6ef554/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/product-lines/elevator_spec9_product30.cil.c [2022-10-17 10:18:39,635 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13d16a37-267f-4175-a930-7b992c6ef554/bin/uautomizer-J5u9QxTXDZ/data/5a133a25c/90afcce921764fc6bad95e5dc8cd6d01/FLAGcdf77c14c [2022-10-17 10:18:40,507 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:18:40,508 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13d16a37-267f-4175-a930-7b992c6ef554/sv-benchmarks/c/product-lines/elevator_spec9_product30.cil.c [2022-10-17 10:18:40,562 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13d16a37-267f-4175-a930-7b992c6ef554/bin/uautomizer-J5u9QxTXDZ/data/5a133a25c/90afcce921764fc6bad95e5dc8cd6d01/FLAGcdf77c14c [2022-10-17 10:18:40,608 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13d16a37-267f-4175-a930-7b992c6ef554/bin/uautomizer-J5u9QxTXDZ/data/5a133a25c/90afcce921764fc6bad95e5dc8cd6d01 [2022-10-17 10:18:40,613 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:18:40,616 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:18:40,619 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:18:40,620 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:18:40,627 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:18:40,628 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:18:40" (1/1) ... [2022-10-17 10:18:40,631 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@426e239f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:18:40, skipping insertion in model container [2022-10-17 10:18:40,631 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:18:40" (1/1) ... [2022-10-17 10:18:40,641 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:18:40,741 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:18:41,071 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13d16a37-267f-4175-a930-7b992c6ef554/sv-benchmarks/c/product-lines/elevator_spec9_product30.cil.c[11768,11781] [2022-10-17 10:18:41,420 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:18:41,433 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:18:41,472 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13d16a37-267f-4175-a930-7b992c6ef554/sv-benchmarks/c/product-lines/elevator_spec9_product30.cil.c[11768,11781] [2022-10-17 10:18:41,635 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:18:41,689 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:18:41,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:18:41 WrapperNode [2022-10-17 10:18:41,691 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:18:41,693 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:18:41,693 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:18:41,693 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:18:41,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:18:41" (1/1) ... [2022-10-17 10:18:41,790 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:18:41" (1/1) ... [2022-10-17 10:18:42,307 INFO L138 Inliner]: procedures = 95, calls = 344, calls flagged for inlining = 196, calls inlined = 776, statements flattened = 26409 [2022-10-17 10:18:42,308 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:18:42,309 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:18:42,309 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:18:42,309 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:18:42,321 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:18:41" (1/1) ... [2022-10-17 10:18:42,322 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:18:41" (1/1) ... [2022-10-17 10:18:42,430 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:18:41" (1/1) ... [2022-10-17 10:18:42,431 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:18:41" (1/1) ... [2022-10-17 10:18:42,712 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:18:41" (1/1) ... [2022-10-17 10:18:43,154 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:18:41" (1/1) ... [2022-10-17 10:18:43,182 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:18:41" (1/1) ... [2022-10-17 10:18:43,231 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:18:41" (1/1) ... [2022-10-17 10:18:43,308 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:18:43,311 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:18:43,311 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:18:43,312 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:18:43,314 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:18:41" (1/1) ... [2022-10-17 10:18:43,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:18:43,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13d16a37-267f-4175-a930-7b992c6ef554/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:18:43,358 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13d16a37-267f-4175-a930-7b992c6ef554/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:18:43,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13d16a37-267f-4175-a930-7b992c6ef554/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-10-17 10:18:43,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:18:43,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:18:43,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:18:43,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:18:43,618 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:18:43,621 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:18:55,707 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:18:55,793 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:18:55,793 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 10:18:55,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:18:55 BoogieIcfgContainer [2022-10-17 10:18:55,808 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:18:55,810 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-10-17 10:18:55,810 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-10-17 10:18:55,815 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-10-17 10:18:55,816 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:18:55,817 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.10 10:18:40" (1/3) ... [2022-10-17 10:18:55,818 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7318b3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.10 10:18:55, skipping insertion in model container [2022-10-17 10:18:55,819 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:18:55,819 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:18:41" (2/3) ... [2022-10-17 10:18:55,819 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7318b3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.10 10:18:55, skipping insertion in model container [2022-10-17 10:18:55,820 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:18:55,820 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:18:55" (3/3) ... [2022-10-17 10:18:55,821 INFO L332 chiAutomizerObserver]: Analyzing ICFG elevator_spec9_product30.cil.c [2022-10-17 10:18:56,120 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-10-17 10:18:56,120 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-10-17 10:18:56,120 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-10-17 10:18:56,120 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-10-17 10:18:56,120 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-10-17 10:18:56,121 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-10-17 10:18:56,121 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-10-17 10:18:56,121 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-10-17 10:18:56,168 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7097 states, 7096 states have (on average 1.8776775648252537) internal successors, (13324), 7096 states have internal predecessors, (13324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:18:56,408 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3532 [2022-10-17 10:18:56,409 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:18:56,409 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:18:56,434 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] [2022-10-17 10:18:56,434 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:18:56,434 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-10-17 10:18:56,456 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7097 states, 7096 states have (on average 1.8776775648252537) internal successors, (13324), 7096 states have internal predecessors, (13324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:18:56,583 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3532 [2022-10-17 10:18:56,584 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:18:56,584 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:18:56,593 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] [2022-10-17 10:18:56,594 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:18:56,611 INFO L748 eck$LassoCheckResult]: Stem: 5816#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(10, 16);call #Ultimate.allocInit(4, 17);call write~init~int(91, 17, 0, 1);call write~init~int(95, 17, 1, 1);call write~init~int(93, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(4, 18);call write~init~int(91, 18, 0, 1);call write~init~int(93, 18, 1, 1);call write~init~int(32, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(5, 19);call write~init~int(32, 19, 0, 1);call write~init~int(97, 19, 1, 1);call write~init~int(116, 19, 2, 1);call write~init~int(32, 19, 3, 1);call write~init~int(0, 19, 4, 1);call #Ultimate.allocInit(3, 20);call write~init~int(37, 20, 0, 1);call write~init~int(105, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(10, 21);call #Ultimate.allocInit(3, 22);call write~init~int(117, 22, 0, 1);call write~init~int(112, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(5, 23);call write~init~int(100, 23, 0, 1);call write~init~int(111, 23, 1, 1);call write~init~int(119, 23, 2, 1);call write~init~int(110, 23, 3, 1);call write~init~int(0, 23, 4, 1);call #Ultimate.allocInit(7, 24);call write~init~int(32, 24, 0, 1);call write~init~int(73, 24, 1, 1);call write~init~int(76, 24, 2, 1);call write~init~int(95, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(4, 25);call write~init~int(32, 25, 0, 1);call write~init~int(37, 25, 1, 1);call write~init~int(105, 25, 2, 1);call write~init~int(0, 25, 3, 1);call #Ultimate.allocInit(4, 26);call write~init~int(32, 26, 0, 1);call write~init~int(37, 26, 1, 1);call write~init~int(105, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(4, 27);call write~init~int(32, 27, 0, 1);call write~init~int(37, 27, 1, 1);call write~init~int(105, 27, 2, 1);call write~init~int(0, 27, 3, 1);call #Ultimate.allocInit(4, 28);call write~init~int(32, 28, 0, 1);call write~init~int(37, 28, 1, 1);call write~init~int(105, 28, 2, 1);call write~init~int(0, 28, 3, 1);call #Ultimate.allocInit(4, 29);call write~init~int(32, 29, 0, 1);call write~init~int(37, 29, 1, 1);call write~init~int(105, 29, 2, 1);call write~init~int(0, 29, 3, 1);call #Ultimate.allocInit(6, 30);call write~init~int(32, 30, 0, 1);call write~init~int(70, 30, 1, 1);call write~init~int(95, 30, 2, 1);call write~init~int(112, 30, 3, 1);call write~init~int(58, 30, 4, 1);call write~init~int(0, 30, 5, 1);call #Ultimate.allocInit(4, 31);call write~init~int(32, 31, 0, 1);call write~init~int(37, 31, 1, 1);call write~init~int(105, 31, 2, 1);call write~init~int(0, 31, 3, 1);call #Ultimate.allocInit(4, 32);call write~init~int(32, 32, 0, 1);call write~init~int(37, 32, 1, 1);call write~init~int(105, 32, 2, 1);call write~init~int(0, 32, 3, 1);call #Ultimate.allocInit(4, 33);call write~init~int(32, 33, 0, 1);call write~init~int(37, 33, 1, 1);call write~init~int(105, 33, 2, 1);call write~init~int(0, 33, 3, 1);call #Ultimate.allocInit(4, 34);call write~init~int(32, 34, 0, 1);call write~init~int(37, 34, 1, 1);call write~init~int(105, 34, 2, 1);call write~init~int(0, 34, 3, 1);call #Ultimate.allocInit(4, 35);call write~init~int(32, 35, 0, 1);call write~init~int(37, 35, 1, 1);call write~init~int(105, 35, 2, 1);call write~init~int(0, 35, 3, 1);call #Ultimate.allocInit(2, 36);call write~init~int(10, 36, 0, 1);call write~init~int(0, 36, 1, 1);call #Ultimate.allocInit(9, 37);~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~blocked~0 := 0;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0;~cleanupTimeShifts~0 := 12;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~calls_0~0 := 0;~calls_1~0 := 0;~calls_2~0 := 0;~calls_3~0 := 0;~calls_4~0 := 0;~personOnFloor_0_0~0 := 0;~personOnFloor_0_1~0 := 0;~personOnFloor_0_2~0 := 0;~personOnFloor_0_3~0 := 0;~personOnFloor_0_4~0 := 0;~personOnFloor_1_0~0 := 0;~personOnFloor_1_1~0 := 0;~personOnFloor_1_2~0 := 0;~personOnFloor_1_3~0 := 0;~personOnFloor_1_4~0 := 0;~personOnFloor_2_0~0 := 0;~personOnFloor_2_1~0 := 0;~personOnFloor_2_2~0 := 0;~personOnFloor_2_3~0 := 0;~personOnFloor_2_4~0 := 0;~personOnFloor_3_0~0 := 0;~personOnFloor_3_1~0 := 0;~personOnFloor_3_2~0 := 0;~personOnFloor_3_3~0 := 0;~personOnFloor_3_4~0 := 0;~personOnFloor_4_0~0 := 0;~personOnFloor_4_1~0 := 0;~personOnFloor_4_2~0 := 0;~personOnFloor_4_3~0 := 0;~personOnFloor_4_4~0 := 0;~personOnFloor_5_0~0 := 0;~personOnFloor_5_1~0 := 0;~personOnFloor_5_2~0 := 0;~personOnFloor_5_3~0 := 0;~personOnFloor_5_4~0 := 0; 3520#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret132#1, main_~retValue_acc~27#1, main_~tmp~29#1;havoc main_~retValue_acc~27#1;havoc main_~tmp~29#1;assume { :begin_inline_select_helpers } true; 1745#L440true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 6539#L433true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 5935#L448true main_#t~ret132#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~29#1 := main_#t~ret132#1;havoc main_#t~ret132#1; 1062#L3442true assume 0 != main_~tmp~29#1;assume { :begin_inline_setup } true; 1382#L3417true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification9_spec__1 } true;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 1077#L482true assume { :end_inline___utac_acc__Specification9_spec__1 } true;assume { :begin_inline_test } true;assume { :begin_inline_bigMacCall } true;havoc bigMacCall_#t~ret125#1, bigMacCall_~tmp~26#1;havoc bigMacCall_~tmp~26#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 5;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; 4735#L785true assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~6#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~6#1; 1877#L810true bigMacCall_#t~ret125#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;bigMacCall_~tmp~26#1 := bigMacCall_#t~ret125#1;havoc bigMacCall_#t~ret125#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 5, bigMacCall_~tmp~26#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 4947#L2798true assume 0 == initPersonOnFloor_~floor#1; 3931#L2799true assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 1992#L2906-1true assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 357#L2590true assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 3793#L2602-2true assume { :end_inline_callOnFloor } true; 2889#L2942true assume { :end_inline_initPersonOnFloor } true; 6976#L3222true assume { :end_inline_bigMacCall } true;assume { :begin_inline_cleanup } true;havoc cleanup_#t~ret126#1, cleanup_#t~ret127#1, cleanup_~i~3#1, cleanup_~tmp~27#1, cleanup_~tmp___0~10#1, cleanup_~__cil_tmp4~3#1;havoc cleanup_~i~3#1;havoc cleanup_~tmp~27#1;havoc cleanup_~tmp___0~10#1;havoc cleanup_~__cil_tmp4~3#1;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret90#1, timeShift_~tmp~18#1;havoc timeShift_~tmp~18#1;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~10#1;havoc areDoorsOpen_~retValue_acc~10#1;areDoorsOpen_~retValue_acc~10#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~10#1; 1229#L1122true timeShift_#t~ret90#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~18#1 := timeShift_#t~ret90#1;havoc timeShift_#t~ret90#1; 763#L2071true assume 0 != timeShift_~tmp~18#1; 3776#L2072true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 6858#L2071-1true assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret28#1, __utac_acc__Specification9_spec__3_#t~ret29#1, __utac_acc__Specification9_spec__3_#t~ret30#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~3#1, __utac_acc__Specification9_spec__3_~tmp___0~0#1, __utac_acc__Specification9_spec__3_~tmp___1~0#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~3#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~0#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~9#1;havoc getCurrentFloorID_~retValue_acc~9#1;getCurrentFloorID_~retValue_acc~9#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~9#1; 1921#L1113-2true __utac_acc__Specification9_spec__3_#t~ret28#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~3#1 := __utac_acc__Specification9_spec__3_#t~ret28#1;havoc __utac_acc__Specification9_spec__3_#t~ret28#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~3#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~13#1;havoc isEmpty_~retValue_acc~13#1; 4957#L1173-12true assume 1 == ~persons_0~0;isEmpty_~retValue_acc~13#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~13#1; 1937#L1205-12true __utac_acc__Specification9_spec__3_#t~ret29#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~0#1 := __utac_acc__Specification9_spec__3_#t~ret29#1;havoc __utac_acc__Specification9_spec__3_#t~ret29#1; 2920#L525true assume 0 != __utac_acc__Specification9_spec__3_~tmp___1~0#1;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 1387#L535-1true assume { :end_inline___utac_acc__Specification9_spec__3 } true; 4425#L2089true assume { :end_inline_timeShift } true;cleanup_~i~3#1 := 0; 3452#L3249-2true [2022-10-17 10:18:56,621 INFO L750 eck$LassoCheckResult]: Loop: 3452#L3249-2true assume !false; 6062#L3250true cleanup_~__cil_tmp4~3#1 := ~cleanupTimeShifts~0 - 1; 2933#L3253true assume cleanup_~i~3#1 < cleanup_~__cil_tmp4~3#1;assume { :begin_inline_isBlocked } true;havoc isBlocked_#res#1;havoc isBlocked_~retValue_acc~8#1;havoc isBlocked_~retValue_acc~8#1;isBlocked_~retValue_acc~8#1 := ~blocked~0;isBlocked_#res#1 := isBlocked_~retValue_acc~8#1; 2139#L936true cleanup_#t~ret126#1 := isBlocked_#res#1;assume { :end_inline_isBlocked } true;cleanup_~tmp___0~10#1 := cleanup_#t~ret126#1;havoc cleanup_#t~ret126#1; 240#L3257true assume 1 != cleanup_~tmp___0~10#1; 4154#L3257-1true assume { :begin_inline_isIdle } true;havoc isIdle_#res#1;havoc isIdle_#t~ret45#1, isIdle_~retValue_acc~15#1, isIdle_~tmp~10#1;havoc isIdle_~retValue_acc~15#1;havoc isIdle_~tmp~10#1;assume { :begin_inline_anyStopRequested } true;havoc anyStopRequested_#res#1;havoc anyStopRequested_#t~ret40#1, anyStopRequested_#t~ret41#1, anyStopRequested_#t~ret42#1, anyStopRequested_#t~ret43#1, anyStopRequested_#t~ret44#1, anyStopRequested_~retValue_acc~14#1, anyStopRequested_~tmp~9#1, anyStopRequested_~tmp___0~3#1, anyStopRequested_~tmp___1~3#1, anyStopRequested_~tmp___2~0#1, anyStopRequested_~tmp___3~0#1;havoc anyStopRequested_~retValue_acc~14#1;havoc anyStopRequested_~tmp~9#1;havoc anyStopRequested_~tmp___0~3#1;havoc anyStopRequested_~tmp___1~3#1;havoc anyStopRequested_~tmp___2~0#1;havoc anyStopRequested_~tmp___3~0#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~23#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~23#1; 1348#L2527-122true assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~23#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~23#1; 5637#L2554-122true anyStopRequested_#t~ret40#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___3~0#1 := anyStopRequested_#t~ret40#1;havoc anyStopRequested_#t~ret40#1; 3318#L1221true assume 0 != anyStopRequested_~tmp___3~0#1;anyStopRequested_~retValue_acc~14#1 := 1;anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~14#1; 741#L1285true isIdle_#t~ret45#1 := anyStopRequested_#res#1;assume { :end_inline_anyStopRequested } true;isIdle_~tmp~10#1 := isIdle_#t~ret45#1;havoc isIdle_#t~ret45#1;isIdle_~retValue_acc~15#1 := (if 0 == isIdle_~tmp~10#1 then 1 else 0);isIdle_#res#1 := isIdle_~retValue_acc~15#1; 244#L1298true cleanup_#t~ret127#1 := isIdle_#res#1;assume { :end_inline_isIdle } true;cleanup_~tmp~27#1 := cleanup_#t~ret127#1;havoc cleanup_#t~ret127#1; 1358#L3269true assume !(0 != cleanup_~tmp~27#1);assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret90#1, timeShift_~tmp~18#1;havoc timeShift_~tmp~18#1;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~10#1;havoc areDoorsOpen_~retValue_acc~10#1;areDoorsOpen_~retValue_acc~10#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~10#1; 2155#L1122-2true timeShift_#t~ret90#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~18#1 := timeShift_#t~ret90#1;havoc timeShift_#t~ret90#1; 733#L2071-2true assume 0 != timeShift_~tmp~18#1; 248#L2072-3true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 1376#L2071-3true assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret28#1, __utac_acc__Specification9_spec__3_#t~ret29#1, __utac_acc__Specification9_spec__3_#t~ret30#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~3#1, __utac_acc__Specification9_spec__3_~tmp___0~0#1, __utac_acc__Specification9_spec__3_~tmp___1~0#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~3#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~0#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~9#1;havoc getCurrentFloorID_~retValue_acc~9#1;getCurrentFloorID_~retValue_acc~9#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~9#1; 7035#L1113-5true __utac_acc__Specification9_spec__3_#t~ret28#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~3#1 := __utac_acc__Specification9_spec__3_#t~ret28#1;havoc __utac_acc__Specification9_spec__3_#t~ret28#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~3#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~13#1;havoc isEmpty_~retValue_acc~13#1; 1197#L1173-25true assume 1 == ~persons_0~0;isEmpty_~retValue_acc~13#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~13#1; 5344#L1205-25true __utac_acc__Specification9_spec__3_#t~ret29#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~0#1 := __utac_acc__Specification9_spec__3_#t~ret29#1;havoc __utac_acc__Specification9_spec__3_#t~ret29#1; 956#L525-2true assume 0 != __utac_acc__Specification9_spec__3_~tmp___1~0#1;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 562#L535-3true assume { :end_inline___utac_acc__Specification9_spec__3 } true; 6272#L2089-1true assume { :end_inline_timeShift } true;cleanup_~i~3#1 := 1 + cleanup_~i~3#1; 3452#L3249-2true [2022-10-17 10:18:56,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:18:56,630 INFO L85 PathProgramCache]: Analyzing trace with hash -115058102, now seen corresponding path program 1 times [2022-10-17 10:18:56,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:18:56,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666759906] [2022-10-17 10:18:56,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:18:56,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:18:56,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:18:57,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:18:57,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:18:57,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666759906] [2022-10-17 10:18:57,169 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666759906] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:18:57,170 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:18:57,170 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:18:57,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810793081] [2022-10-17 10:18:57,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:18:57,178 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-10-17 10:18:57,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:18:57,181 INFO L85 PathProgramCache]: Analyzing trace with hash 2087572474, now seen corresponding path program 1 times [2022-10-17 10:18:57,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:18:57,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759663314] [2022-10-17 10:18:57,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:18:57,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:18:57,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:18:57,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:18:57,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:18:57,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759663314] [2022-10-17 10:18:57,317 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759663314] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:18:57,318 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:18:57,318 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-17 10:18:57,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934890710] [2022-10-17 10:18:57,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:18:57,321 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-10-17 10:18:57,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:18:57,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-17 10:18:57,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-17 10:18:57,389 INFO L87 Difference]: Start difference. First operand has 7097 states, 7096 states have (on average 1.8776775648252537) internal successors, (13324), 7096 states have internal predecessors, (13324), 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 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:18:58,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:18:58,785 INFO L93 Difference]: Finished difference Result 17510 states and 32814 transitions. [2022-10-17 10:18:58,787 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17510 states and 32814 transitions. [2022-10-17 10:18:59,189 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12196 [2022-10-17 10:18:59,398 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17510 states to 17456 states and 32753 transitions. [2022-10-17 10:18:59,399 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17456 [2022-10-17 10:18:59,431 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17456 [2022-10-17 10:18:59,432 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17456 states and 32753 transitions. [2022-10-17 10:18:59,639 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:18:59,640 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17456 states and 32753 transitions. [2022-10-17 10:18:59,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17456 states and 32753 transitions. [2022-10-17 10:18:59,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17456 to 7078. [2022-10-17 10:18:59,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7078 states, 7078 states have (on average 1.8783554676462277) internal successors, (13295), 7077 states have internal predecessors, (13295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:19:00,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7078 states to 7078 states and 13295 transitions. [2022-10-17 10:19:00,026 INFO L240 hiAutomatonCegarLoop]: Abstraction has 7078 states and 13295 transitions. [2022-10-17 10:19:00,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-17 10:19:00,032 INFO L428 stractBuchiCegarLoop]: Abstraction has 7078 states and 13295 transitions. [2022-10-17 10:19:00,032 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-10-17 10:19:00,033 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7078 states and 13295 transitions. [2022-10-17 10:19:00,105 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3534 [2022-10-17 10:19:00,105 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:19:00,106 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:19:00,113 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] [2022-10-17 10:19:00,113 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:19:00,114 INFO L748 eck$LassoCheckResult]: Stem: 31489#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(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(10, 16);call #Ultimate.allocInit(4, 17);call write~init~int(91, 17, 0, 1);call write~init~int(95, 17, 1, 1);call write~init~int(93, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(4, 18);call write~init~int(91, 18, 0, 1);call write~init~int(93, 18, 1, 1);call write~init~int(32, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(5, 19);call write~init~int(32, 19, 0, 1);call write~init~int(97, 19, 1, 1);call write~init~int(116, 19, 2, 1);call write~init~int(32, 19, 3, 1);call write~init~int(0, 19, 4, 1);call #Ultimate.allocInit(3, 20);call write~init~int(37, 20, 0, 1);call write~init~int(105, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(10, 21);call #Ultimate.allocInit(3, 22);call write~init~int(117, 22, 0, 1);call write~init~int(112, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(5, 23);call write~init~int(100, 23, 0, 1);call write~init~int(111, 23, 1, 1);call write~init~int(119, 23, 2, 1);call write~init~int(110, 23, 3, 1);call write~init~int(0, 23, 4, 1);call #Ultimate.allocInit(7, 24);call write~init~int(32, 24, 0, 1);call write~init~int(73, 24, 1, 1);call write~init~int(76, 24, 2, 1);call write~init~int(95, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(4, 25);call write~init~int(32, 25, 0, 1);call write~init~int(37, 25, 1, 1);call write~init~int(105, 25, 2, 1);call write~init~int(0, 25, 3, 1);call #Ultimate.allocInit(4, 26);call write~init~int(32, 26, 0, 1);call write~init~int(37, 26, 1, 1);call write~init~int(105, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(4, 27);call write~init~int(32, 27, 0, 1);call write~init~int(37, 27, 1, 1);call write~init~int(105, 27, 2, 1);call write~init~int(0, 27, 3, 1);call #Ultimate.allocInit(4, 28);call write~init~int(32, 28, 0, 1);call write~init~int(37, 28, 1, 1);call write~init~int(105, 28, 2, 1);call write~init~int(0, 28, 3, 1);call #Ultimate.allocInit(4, 29);call write~init~int(32, 29, 0, 1);call write~init~int(37, 29, 1, 1);call write~init~int(105, 29, 2, 1);call write~init~int(0, 29, 3, 1);call #Ultimate.allocInit(6, 30);call write~init~int(32, 30, 0, 1);call write~init~int(70, 30, 1, 1);call write~init~int(95, 30, 2, 1);call write~init~int(112, 30, 3, 1);call write~init~int(58, 30, 4, 1);call write~init~int(0, 30, 5, 1);call #Ultimate.allocInit(4, 31);call write~init~int(32, 31, 0, 1);call write~init~int(37, 31, 1, 1);call write~init~int(105, 31, 2, 1);call write~init~int(0, 31, 3, 1);call #Ultimate.allocInit(4, 32);call write~init~int(32, 32, 0, 1);call write~init~int(37, 32, 1, 1);call write~init~int(105, 32, 2, 1);call write~init~int(0, 32, 3, 1);call #Ultimate.allocInit(4, 33);call write~init~int(32, 33, 0, 1);call write~init~int(37, 33, 1, 1);call write~init~int(105, 33, 2, 1);call write~init~int(0, 33, 3, 1);call #Ultimate.allocInit(4, 34);call write~init~int(32, 34, 0, 1);call write~init~int(37, 34, 1, 1);call write~init~int(105, 34, 2, 1);call write~init~int(0, 34, 3, 1);call #Ultimate.allocInit(4, 35);call write~init~int(32, 35, 0, 1);call write~init~int(37, 35, 1, 1);call write~init~int(105, 35, 2, 1);call write~init~int(0, 35, 3, 1);call #Ultimate.allocInit(2, 36);call write~init~int(10, 36, 0, 1);call write~init~int(0, 36, 1, 1);call #Ultimate.allocInit(9, 37);~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~blocked~0 := 0;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0;~cleanupTimeShifts~0 := 12;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~calls_0~0 := 0;~calls_1~0 := 0;~calls_2~0 := 0;~calls_3~0 := 0;~calls_4~0 := 0;~personOnFloor_0_0~0 := 0;~personOnFloor_0_1~0 := 0;~personOnFloor_0_2~0 := 0;~personOnFloor_0_3~0 := 0;~personOnFloor_0_4~0 := 0;~personOnFloor_1_0~0 := 0;~personOnFloor_1_1~0 := 0;~personOnFloor_1_2~0 := 0;~personOnFloor_1_3~0 := 0;~personOnFloor_1_4~0 := 0;~personOnFloor_2_0~0 := 0;~personOnFloor_2_1~0 := 0;~personOnFloor_2_2~0 := 0;~personOnFloor_2_3~0 := 0;~personOnFloor_2_4~0 := 0;~personOnFloor_3_0~0 := 0;~personOnFloor_3_1~0 := 0;~personOnFloor_3_2~0 := 0;~personOnFloor_3_3~0 := 0;~personOnFloor_3_4~0 := 0;~personOnFloor_4_0~0 := 0;~personOnFloor_4_1~0 := 0;~personOnFloor_4_2~0 := 0;~personOnFloor_4_3~0 := 0;~personOnFloor_4_4~0 := 0;~personOnFloor_5_0~0 := 0;~personOnFloor_5_1~0 := 0;~personOnFloor_5_2~0 := 0;~personOnFloor_5_3~0 := 0;~personOnFloor_5_4~0 := 0; 30127#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret132#1, main_~retValue_acc~27#1, main_~tmp~29#1;havoc main_~retValue_acc~27#1;havoc main_~tmp~29#1;assume { :begin_inline_select_helpers } true; 28046#L440 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 28047#L433 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 31533#L448 main_#t~ret132#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~29#1 := main_#t~ret132#1;havoc main_#t~ret132#1; 26918#L3442 assume 0 != main_~tmp~29#1;assume { :begin_inline_setup } true; 26919#L3417 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification9_spec__1 } true;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 26940#L482 assume { :end_inline___utac_acc__Specification9_spec__1 } true;assume { :begin_inline_test } true;assume { :begin_inline_bigMacCall } true;havoc bigMacCall_#t~ret125#1, bigMacCall_~tmp~26#1;havoc bigMacCall_~tmp~26#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 5;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; 26941#L785 assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~6#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~6#1; 25167#L810 bigMacCall_#t~ret125#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;bigMacCall_~tmp~26#1 := bigMacCall_#t~ret125#1;havoc bigMacCall_#t~ret125#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 5, bigMacCall_~tmp~26#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 28245#L2798 assume 0 == initPersonOnFloor_~floor#1; 30506#L2799 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 25770#L2906-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 25525#L2590 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 25526#L2602-2 assume { :end_inline_callOnFloor } true; 29496#L2942 assume { :end_inline_initPersonOnFloor } true; 29497#L3222 assume { :end_inline_bigMacCall } true;assume { :begin_inline_cleanup } true;havoc cleanup_#t~ret126#1, cleanup_#t~ret127#1, cleanup_~i~3#1, cleanup_~tmp~27#1, cleanup_~tmp___0~10#1, cleanup_~__cil_tmp4~3#1;havoc cleanup_~i~3#1;havoc cleanup_~tmp~27#1;havoc cleanup_~tmp___0~10#1;havoc cleanup_~__cil_tmp4~3#1;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret90#1, timeShift_~tmp~18#1;havoc timeShift_~tmp~18#1;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~10#1;havoc areDoorsOpen_~retValue_acc~10#1;areDoorsOpen_~retValue_acc~10#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~10#1; 27218#L1122 timeShift_#t~ret90#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~18#1 := timeShift_#t~ret90#1;havoc timeShift_#t~ret90#1; 26383#L2071 assume 0 != timeShift_~tmp~18#1; 26385#L2072 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 24828#L2071-1 assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret28#1, __utac_acc__Specification9_spec__3_#t~ret29#1, __utac_acc__Specification9_spec__3_#t~ret30#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~3#1, __utac_acc__Specification9_spec__3_~tmp___0~0#1, __utac_acc__Specification9_spec__3_~tmp___1~0#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~3#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~0#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~9#1;havoc getCurrentFloorID_~retValue_acc~9#1;getCurrentFloorID_~retValue_acc~9#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~9#1; 28306#L1113-2 __utac_acc__Specification9_spec__3_#t~ret28#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~3#1 := __utac_acc__Specification9_spec__3_#t~ret28#1;havoc __utac_acc__Specification9_spec__3_#t~ret28#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~3#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~13#1;havoc isEmpty_~retValue_acc~13#1; 28307#L1173-12 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~13#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~13#1; 25642#L1205-12 __utac_acc__Specification9_spec__3_#t~ret29#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~0#1 := __utac_acc__Specification9_spec__3_#t~ret29#1;havoc __utac_acc__Specification9_spec__3_#t~ret29#1; 29532#L525 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___1~0#1);assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~10#1;havoc areDoorsOpen_~retValue_acc~10#1;areDoorsOpen_~retValue_acc~10#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~10#1; 29265#L1122-1 __utac_acc__Specification9_spec__3_#t~ret30#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification9_spec__3_~tmp___0~0#1 := __utac_acc__Specification9_spec__3_#t~ret30#1;havoc __utac_acc__Specification9_spec__3_#t~ret30#1; 25710#L535 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___0~0#1); 25711#L535-1 assume { :end_inline___utac_acc__Specification9_spec__3 } true; 27485#L2089 assume { :end_inline_timeShift } true;cleanup_~i~3#1 := 0; 30057#L3249-2 [2022-10-17 10:19:00,114 INFO L750 eck$LassoCheckResult]: Loop: 30057#L3249-2 assume !false; 30058#L3250 cleanup_~__cil_tmp4~3#1 := ~cleanupTimeShifts~0 - 1; 29547#L3253 assume cleanup_~i~3#1 < cleanup_~__cil_tmp4~3#1;assume { :begin_inline_isBlocked } true;havoc isBlocked_#res#1;havoc isBlocked_~retValue_acc~8#1;havoc isBlocked_~retValue_acc~8#1;isBlocked_~retValue_acc~8#1 := ~blocked~0;isBlocked_#res#1 := isBlocked_~retValue_acc~8#1; 28610#L936 cleanup_#t~ret126#1 := isBlocked_#res#1;assume { :end_inline_isBlocked } true;cleanup_~tmp___0~10#1 := cleanup_#t~ret126#1;havoc cleanup_#t~ret126#1; 25240#L3257 assume 1 != cleanup_~tmp___0~10#1; 25241#L3257-1 assume { :begin_inline_isIdle } true;havoc isIdle_#res#1;havoc isIdle_#t~ret45#1, isIdle_~retValue_acc~15#1, isIdle_~tmp~10#1;havoc isIdle_~retValue_acc~15#1;havoc isIdle_~tmp~10#1;assume { :begin_inline_anyStopRequested } true;havoc anyStopRequested_#res#1;havoc anyStopRequested_#t~ret40#1, anyStopRequested_#t~ret41#1, anyStopRequested_#t~ret42#1, anyStopRequested_#t~ret43#1, anyStopRequested_#t~ret44#1, anyStopRequested_~retValue_acc~14#1, anyStopRequested_~tmp~9#1, anyStopRequested_~tmp___0~3#1, anyStopRequested_~tmp___1~3#1, anyStopRequested_~tmp___2~0#1, anyStopRequested_~tmp___3~0#1;havoc anyStopRequested_~retValue_acc~14#1;havoc anyStopRequested_~tmp~9#1;havoc anyStopRequested_~tmp___0~3#1;havoc anyStopRequested_~tmp___1~3#1;havoc anyStopRequested_~tmp___2~0#1;havoc anyStopRequested_~tmp___3~0#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~23#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~23#1; 27420#L2527-122 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~23#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~23#1; 27421#L2554-122 anyStopRequested_#t~ret40#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___3~0#1 := anyStopRequested_#t~ret40#1;havoc anyStopRequested_#t~ret40#1; 29942#L1221 assume 0 != anyStopRequested_~tmp___3~0#1;anyStopRequested_~retValue_acc~14#1 := 1;anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~14#1; 25719#L1285 isIdle_#t~ret45#1 := anyStopRequested_#res#1;assume { :end_inline_anyStopRequested } true;isIdle_~tmp~10#1 := isIdle_#t~ret45#1;havoc isIdle_#t~ret45#1;isIdle_~retValue_acc~15#1 := (if 0 == isIdle_~tmp~10#1 then 1 else 0);isIdle_#res#1 := isIdle_~retValue_acc~15#1; 25251#L1298 cleanup_#t~ret127#1 := isIdle_#res#1;assume { :end_inline_isIdle } true;cleanup_~tmp~27#1 := cleanup_#t~ret127#1;havoc cleanup_#t~ret127#1; 25252#L3269 assume !(0 != cleanup_~tmp~27#1);assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret90#1, timeShift_~tmp~18#1;havoc timeShift_~tmp~18#1;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~10#1;havoc areDoorsOpen_~retValue_acc~10#1;areDoorsOpen_~retValue_acc~10#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~10#1; 27439#L1122-2 timeShift_#t~ret90#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~18#1 := timeShift_#t~ret90#1;havoc timeShift_#t~ret90#1; 26321#L2071-2 assume 0 != timeShift_~tmp~18#1; 25260#L2072-3 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 25261#L2071-3 assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret28#1, __utac_acc__Specification9_spec__3_#t~ret29#1, __utac_acc__Specification9_spec__3_#t~ret30#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~3#1, __utac_acc__Specification9_spec__3_~tmp___0~0#1, __utac_acc__Specification9_spec__3_~tmp___1~0#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~3#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~0#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~9#1;havoc getCurrentFloorID_~retValue_acc~9#1;getCurrentFloorID_~retValue_acc~9#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~9#1; 27472#L1113-5 __utac_acc__Specification9_spec__3_#t~ret28#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~3#1 := __utac_acc__Specification9_spec__3_#t~ret28#1;havoc __utac_acc__Specification9_spec__3_#t~ret28#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~3#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~13#1;havoc isEmpty_~retValue_acc~13#1; 27157#L1173-25 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~13#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~13#1; 27158#L1205-25 __utac_acc__Specification9_spec__3_#t~ret29#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~0#1 := __utac_acc__Specification9_spec__3_#t~ret29#1;havoc __utac_acc__Specification9_spec__3_#t~ret29#1; 26742#L525-2 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___1~0#1);assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~10#1;havoc areDoorsOpen_~retValue_acc~10#1;areDoorsOpen_~retValue_acc~10#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~10#1; 26051#L1122-3 __utac_acc__Specification9_spec__3_#t~ret30#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification9_spec__3_~tmp___0~0#1 := __utac_acc__Specification9_spec__3_#t~ret30#1;havoc __utac_acc__Specification9_spec__3_#t~ret30#1; 26052#L535-2 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___0~0#1); 25975#L535-3 assume { :end_inline___utac_acc__Specification9_spec__3 } true; 25976#L2089-1 assume { :end_inline_timeShift } true;cleanup_~i~3#1 := 1 + cleanup_~i~3#1; 30057#L3249-2 [2022-10-17 10:19:00,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:19:00,116 INFO L85 PathProgramCache]: Analyzing trace with hash 1098668845, now seen corresponding path program 1 times [2022-10-17 10:19:00,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:19:00,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475794977] [2022-10-17 10:19:00,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:19:00,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:19:00,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:19:00,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:19:00,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:19:00,296 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475794977] [2022-10-17 10:19:00,296 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475794977] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:19:00,297 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:19:00,298 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:19:00,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155161369] [2022-10-17 10:19:00,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:19:00,300 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-10-17 10:19:00,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:19:00,302 INFO L85 PathProgramCache]: Analyzing trace with hash 408312925, now seen corresponding path program 1 times [2022-10-17 10:19:00,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:19:00,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139835792] [2022-10-17 10:19:00,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:19:00,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:19:00,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:19:00,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:19:00,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:19:00,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139835792] [2022-10-17 10:19:00,450 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139835792] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:19:00,450 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:19:00,451 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-17 10:19:00,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250923784] [2022-10-17 10:19:00,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:19:00,452 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-10-17 10:19:00,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:19:00,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-17 10:19:00,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-17 10:19:00,454 INFO L87 Difference]: Start difference. First operand 7078 states and 13295 transitions. cyclomatic complexity: 6218 Second operand has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:19:01,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:19:01,807 INFO L93 Difference]: Finished difference Result 13396 states and 25086 transitions. [2022-10-17 10:19:01,807 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13396 states and 25086 transitions. [2022-10-17 10:19:01,921 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10725 [2022-10-17 10:19:02,004 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13396 states to 13396 states and 25086 transitions. [2022-10-17 10:19:02,004 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13396 [2022-10-17 10:19:02,023 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13396 [2022-10-17 10:19:02,023 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13396 states and 25086 transitions. [2022-10-17 10:19:02,050 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:19:02,050 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13396 states and 25086 transitions. [2022-10-17 10:19:02,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13396 states and 25086 transitions. [2022-10-17 10:19:02,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13396 to 7042. [2022-10-17 10:19:02,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7042 states, 7042 states have (on average 1.8771655779608065) internal successors, (13219), 7041 states have internal predecessors, (13219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:19:02,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7042 states to 7042 states and 13219 transitions. [2022-10-17 10:19:02,305 INFO L240 hiAutomatonCegarLoop]: Abstraction has 7042 states and 13219 transitions. [2022-10-17 10:19:02,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-17 10:19:02,306 INFO L428 stractBuchiCegarLoop]: Abstraction has 7042 states and 13219 transitions. [2022-10-17 10:19:02,307 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-10-17 10:19:02,307 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7042 states and 13219 transitions. [2022-10-17 10:19:02,417 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4406 [2022-10-17 10:19:02,417 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:19:02,417 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:19:02,420 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] [2022-10-17 10:19:02,420 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:19:02,421 INFO L748 eck$LassoCheckResult]: Stem: 49973#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(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(10, 16);call #Ultimate.allocInit(4, 17);call write~init~int(91, 17, 0, 1);call write~init~int(95, 17, 1, 1);call write~init~int(93, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(4, 18);call write~init~int(91, 18, 0, 1);call write~init~int(93, 18, 1, 1);call write~init~int(32, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(5, 19);call write~init~int(32, 19, 0, 1);call write~init~int(97, 19, 1, 1);call write~init~int(116, 19, 2, 1);call write~init~int(32, 19, 3, 1);call write~init~int(0, 19, 4, 1);call #Ultimate.allocInit(3, 20);call write~init~int(37, 20, 0, 1);call write~init~int(105, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(10, 21);call #Ultimate.allocInit(3, 22);call write~init~int(117, 22, 0, 1);call write~init~int(112, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(5, 23);call write~init~int(100, 23, 0, 1);call write~init~int(111, 23, 1, 1);call write~init~int(119, 23, 2, 1);call write~init~int(110, 23, 3, 1);call write~init~int(0, 23, 4, 1);call #Ultimate.allocInit(7, 24);call write~init~int(32, 24, 0, 1);call write~init~int(73, 24, 1, 1);call write~init~int(76, 24, 2, 1);call write~init~int(95, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(4, 25);call write~init~int(32, 25, 0, 1);call write~init~int(37, 25, 1, 1);call write~init~int(105, 25, 2, 1);call write~init~int(0, 25, 3, 1);call #Ultimate.allocInit(4, 26);call write~init~int(32, 26, 0, 1);call write~init~int(37, 26, 1, 1);call write~init~int(105, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(4, 27);call write~init~int(32, 27, 0, 1);call write~init~int(37, 27, 1, 1);call write~init~int(105, 27, 2, 1);call write~init~int(0, 27, 3, 1);call #Ultimate.allocInit(4, 28);call write~init~int(32, 28, 0, 1);call write~init~int(37, 28, 1, 1);call write~init~int(105, 28, 2, 1);call write~init~int(0, 28, 3, 1);call #Ultimate.allocInit(4, 29);call write~init~int(32, 29, 0, 1);call write~init~int(37, 29, 1, 1);call write~init~int(105, 29, 2, 1);call write~init~int(0, 29, 3, 1);call #Ultimate.allocInit(6, 30);call write~init~int(32, 30, 0, 1);call write~init~int(70, 30, 1, 1);call write~init~int(95, 30, 2, 1);call write~init~int(112, 30, 3, 1);call write~init~int(58, 30, 4, 1);call write~init~int(0, 30, 5, 1);call #Ultimate.allocInit(4, 31);call write~init~int(32, 31, 0, 1);call write~init~int(37, 31, 1, 1);call write~init~int(105, 31, 2, 1);call write~init~int(0, 31, 3, 1);call #Ultimate.allocInit(4, 32);call write~init~int(32, 32, 0, 1);call write~init~int(37, 32, 1, 1);call write~init~int(105, 32, 2, 1);call write~init~int(0, 32, 3, 1);call #Ultimate.allocInit(4, 33);call write~init~int(32, 33, 0, 1);call write~init~int(37, 33, 1, 1);call write~init~int(105, 33, 2, 1);call write~init~int(0, 33, 3, 1);call #Ultimate.allocInit(4, 34);call write~init~int(32, 34, 0, 1);call write~init~int(37, 34, 1, 1);call write~init~int(105, 34, 2, 1);call write~init~int(0, 34, 3, 1);call #Ultimate.allocInit(4, 35);call write~init~int(32, 35, 0, 1);call write~init~int(37, 35, 1, 1);call write~init~int(105, 35, 2, 1);call write~init~int(0, 35, 3, 1);call #Ultimate.allocInit(2, 36);call write~init~int(10, 36, 0, 1);call write~init~int(0, 36, 1, 1);call #Ultimate.allocInit(9, 37);~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~blocked~0 := 0;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0;~cleanupTimeShifts~0 := 12;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~calls_0~0 := 0;~calls_1~0 := 0;~calls_2~0 := 0;~calls_3~0 := 0;~calls_4~0 := 0;~personOnFloor_0_0~0 := 0;~personOnFloor_0_1~0 := 0;~personOnFloor_0_2~0 := 0;~personOnFloor_0_3~0 := 0;~personOnFloor_0_4~0 := 0;~personOnFloor_1_0~0 := 0;~personOnFloor_1_1~0 := 0;~personOnFloor_1_2~0 := 0;~personOnFloor_1_3~0 := 0;~personOnFloor_1_4~0 := 0;~personOnFloor_2_0~0 := 0;~personOnFloor_2_1~0 := 0;~personOnFloor_2_2~0 := 0;~personOnFloor_2_3~0 := 0;~personOnFloor_2_4~0 := 0;~personOnFloor_3_0~0 := 0;~personOnFloor_3_1~0 := 0;~personOnFloor_3_2~0 := 0;~personOnFloor_3_3~0 := 0;~personOnFloor_3_4~0 := 0;~personOnFloor_4_0~0 := 0;~personOnFloor_4_1~0 := 0;~personOnFloor_4_2~0 := 0;~personOnFloor_4_3~0 := 0;~personOnFloor_4_4~0 := 0;~personOnFloor_5_0~0 := 0;~personOnFloor_5_1~0 := 0;~personOnFloor_5_2~0 := 0;~personOnFloor_5_3~0 := 0;~personOnFloor_5_4~0 := 0; 49974#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret132#1, main_~retValue_acc~27#1, main_~tmp~29#1;havoc main_~retValue_acc~27#1;havoc main_~tmp~29#1;assume { :begin_inline_select_helpers } true; 49413#L440 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 49414#L433 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 50117#L448 main_#t~ret132#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~29#1 := main_#t~ret132#1;havoc main_#t~ret132#1; 48195#L3442 assume 0 != main_~tmp~29#1;assume { :begin_inline_setup } true; 48196#L3417 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification9_spec__1 } true;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 48221#L482 assume { :end_inline___utac_acc__Specification9_spec__1 } true;assume { :begin_inline_test } true;assume { :begin_inline_bigMacCall } true;havoc bigMacCall_#t~ret125#1, bigMacCall_~tmp~26#1;havoc bigMacCall_~tmp~26#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 5;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; 48222#L785 assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~6#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~6#1; 45945#L810 bigMacCall_#t~ret125#1 := getOrigin_#res#1;assume { :end_inline_getOrigin } true;bigMacCall_~tmp~26#1 := bigMacCall_#t~ret125#1;havoc bigMacCall_#t~ret125#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 5, bigMacCall_~tmp~26#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 48747#L2798 assume 0 == initPersonOnFloor_~floor#1; 46368#L2799 assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 45536#L2906-1 assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 46462#L2590 assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 45912#L2602-2 assume { :end_inline_callOnFloor } true; 45913#L2942 assume { :end_inline_initPersonOnFloor } true; 50529#L3222 assume { :end_inline_bigMacCall } true;assume { :begin_inline_cleanup } true;havoc cleanup_#t~ret126#1, cleanup_#t~ret127#1, cleanup_~i~3#1, cleanup_~tmp~27#1, cleanup_~tmp___0~10#1, cleanup_~__cil_tmp4~3#1;havoc cleanup_~i~3#1;havoc cleanup_~tmp~27#1;havoc cleanup_~tmp___0~10#1;havoc cleanup_~__cil_tmp4~3#1;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret90#1, timeShift_~tmp~18#1;havoc timeShift_~tmp~18#1;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~10#1;havoc areDoorsOpen_~retValue_acc~10#1;areDoorsOpen_~retValue_acc~10#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~10#1; 48576#L1122 timeShift_#t~ret90#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~18#1 := timeShift_#t~ret90#1;havoc timeShift_#t~ret90#1; 47533#L2071 assume 0 != timeShift_~tmp~18#1; 45869#L2072 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 45870#L2071-1 assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret28#1, __utac_acc__Specification9_spec__3_#t~ret29#1, __utac_acc__Specification9_spec__3_#t~ret30#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~3#1, __utac_acc__Specification9_spec__3_~tmp___0~0#1, __utac_acc__Specification9_spec__3_~tmp___1~0#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~3#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~0#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~9#1;havoc getCurrentFloorID_~retValue_acc~9#1;getCurrentFloorID_~retValue_acc~9#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~9#1; 49628#L1113-2 __utac_acc__Specification9_spec__3_#t~ret28#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~3#1 := __utac_acc__Specification9_spec__3_#t~ret28#1;havoc __utac_acc__Specification9_spec__3_#t~ret28#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~3#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~13#1;havoc isEmpty_~retValue_acc~13#1; 48759#L1173-12 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~13#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~13#1; 46590#L1205-12 __utac_acc__Specification9_spec__3_#t~ret29#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~0#1 := __utac_acc__Specification9_spec__3_#t~ret29#1;havoc __utac_acc__Specification9_spec__3_#t~ret29#1; 49650#L525 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___1~0#1);assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~10#1;havoc areDoorsOpen_~retValue_acc~10#1;areDoorsOpen_~retValue_acc~10#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~10#1; 50400#L1122-1 __utac_acc__Specification9_spec__3_#t~ret30#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification9_spec__3_~tmp___0~0#1 := __utac_acc__Specification9_spec__3_#t~ret30#1;havoc __utac_acc__Specification9_spec__3_#t~ret30#1; 46681#L535 assume 0 != __utac_acc__Specification9_spec__3_~tmp___0~0#1; 46682#L536 assume 0 == __utac_acc__Specification9_spec__3_~floor~0#1; 50181#L537 assume 0 != ~floorButtons_spc9_0~0;~floorButtons_spc9_0~0 := 0; 50848#L535-1 assume { :end_inline___utac_acc__Specification9_spec__3 } true; 50847#L2089 assume { :end_inline_timeShift } true;cleanup_~i~3#1 := 0; 50846#L3249-2 [2022-10-17 10:19:02,421 INFO L750 eck$LassoCheckResult]: Loop: 50846#L3249-2 assume !false; 50845#L3250 cleanup_~__cil_tmp4~3#1 := ~cleanupTimeShifts~0 - 1; 50840#L3253 assume cleanup_~i~3#1 < cleanup_~__cil_tmp4~3#1;assume { :begin_inline_isBlocked } true;havoc isBlocked_#res#1;havoc isBlocked_~retValue_acc~8#1;havoc isBlocked_~retValue_acc~8#1;isBlocked_~retValue_acc~8#1 := ~blocked~0;isBlocked_#res#1 := isBlocked_~retValue_acc~8#1; 50839#L936 cleanup_#t~ret126#1 := isBlocked_#res#1;assume { :end_inline_isBlocked } true;cleanup_~tmp___0~10#1 := cleanup_#t~ret126#1;havoc cleanup_#t~ret126#1; 46030#L3257 assume 1 != cleanup_~tmp___0~10#1; 46031#L3257-1 assume { :begin_inline_isIdle } true;havoc isIdle_#res#1;havoc isIdle_#t~ret45#1, isIdle_~retValue_acc~15#1, isIdle_~tmp~10#1;havoc isIdle_~retValue_acc~15#1;havoc isIdle_~tmp~10#1;assume { :begin_inline_anyStopRequested } true;havoc anyStopRequested_#res#1;havoc anyStopRequested_#t~ret40#1, anyStopRequested_#t~ret41#1, anyStopRequested_#t~ret42#1, anyStopRequested_#t~ret43#1, anyStopRequested_#t~ret44#1, anyStopRequested_~retValue_acc~14#1, anyStopRequested_~tmp~9#1, anyStopRequested_~tmp___0~3#1, anyStopRequested_~tmp___1~3#1, anyStopRequested_~tmp___2~0#1, anyStopRequested_~tmp___3~0#1;havoc anyStopRequested_~retValue_acc~14#1;havoc anyStopRequested_~tmp~9#1;havoc anyStopRequested_~tmp___0~3#1;havoc anyStopRequested_~tmp___1~3#1;havoc anyStopRequested_~tmp___2~0#1;havoc anyStopRequested_~tmp___3~0#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~23#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~23#1; 47030#L2527-122 assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~23#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~23#1; 48812#L2554-122 anyStopRequested_#t~ret40#1 := isFloorCalling_#res#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___3~0#1 := anyStopRequested_#t~ret40#1;havoc anyStopRequested_#t~ret40#1; 49760#L1221 assume 0 != anyStopRequested_~tmp___3~0#1;anyStopRequested_~retValue_acc~14#1 := 1;anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~14#1; 46690#L1285 isIdle_#t~ret45#1 := anyStopRequested_#res#1;assume { :end_inline_anyStopRequested } true;isIdle_~tmp~10#1 := isIdle_#t~ret45#1;havoc isIdle_#t~ret45#1;isIdle_~retValue_acc~15#1 := (if 0 == isIdle_~tmp~10#1 then 1 else 0);isIdle_#res#1 := isIdle_~retValue_acc~15#1; 46041#L1298 cleanup_#t~ret127#1 := isIdle_#res#1;assume { :end_inline_isIdle } true;cleanup_~tmp~27#1 := cleanup_#t~ret127#1;havoc cleanup_#t~ret127#1; 46042#L3269 assume !(0 != cleanup_~tmp~27#1);assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret90#1, timeShift_~tmp~18#1;havoc timeShift_~tmp~18#1;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~10#1;havoc areDoorsOpen_~retValue_acc~10#1;areDoorsOpen_~retValue_acc~10#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~10#1; 48833#L1122-2 timeShift_#t~ret90#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~18#1 := timeShift_#t~ret90#1;havoc timeShift_#t~ret90#1; 47444#L2071-2 assume 0 != timeShift_~tmp~18#1; 46051#L2072-3 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 46052#L2071-3 assume { :begin_inline___utac_acc__Specification9_spec__3 } true;havoc __utac_acc__Specification9_spec__3_#t~ret28#1, __utac_acc__Specification9_spec__3_#t~ret29#1, __utac_acc__Specification9_spec__3_#t~ret30#1, __utac_acc__Specification9_spec__3_~floor~0#1, __utac_acc__Specification9_spec__3_~tmp~3#1, __utac_acc__Specification9_spec__3_~tmp___0~0#1, __utac_acc__Specification9_spec__3_~tmp___1~0#1;havoc __utac_acc__Specification9_spec__3_~floor~0#1;havoc __utac_acc__Specification9_spec__3_~tmp~3#1;havoc __utac_acc__Specification9_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification9_spec__3_~tmp___1~0#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~9#1;havoc getCurrentFloorID_~retValue_acc~9#1;getCurrentFloorID_~retValue_acc~9#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~9#1; 48859#L1113-5 __utac_acc__Specification9_spec__3_#t~ret28#1 := getCurrentFloorID_#res#1;assume { :end_inline_getCurrentFloorID } true;__utac_acc__Specification9_spec__3_~tmp~3#1 := __utac_acc__Specification9_spec__3_#t~ret28#1;havoc __utac_acc__Specification9_spec__3_#t~ret28#1;__utac_acc__Specification9_spec__3_~floor~0#1 := __utac_acc__Specification9_spec__3_~tmp~3#1;assume { :begin_inline_isEmpty } true;havoc isEmpty_#res#1;havoc isEmpty_~retValue_acc~13#1;havoc isEmpty_~retValue_acc~13#1; 48486#L1173-25 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~13#1 := 0;isEmpty_#res#1 := isEmpty_~retValue_acc~13#1; 47091#L1205-25 __utac_acc__Specification9_spec__3_#t~ret29#1 := isEmpty_#res#1;assume { :end_inline_isEmpty } true;__utac_acc__Specification9_spec__3_~tmp___1~0#1 := __utac_acc__Specification9_spec__3_#t~ret29#1;havoc __utac_acc__Specification9_spec__3_#t~ret29#1; 48008#L525-2 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___1~0#1);assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~10#1;havoc areDoorsOpen_~retValue_acc~10#1;areDoorsOpen_~retValue_acc~10#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~10#1; 48009#L1122-3 __utac_acc__Specification9_spec__3_#t~ret30#1 := areDoorsOpen_#res#1;assume { :end_inline_areDoorsOpen } true;__utac_acc__Specification9_spec__3_~tmp___0~0#1 := __utac_acc__Specification9_spec__3_#t~ret30#1;havoc __utac_acc__Specification9_spec__3_#t~ret30#1; 49283#L535-2 assume 0 != __utac_acc__Specification9_spec__3_~tmp___0~0#1; 49284#L536-1 assume 0 == __utac_acc__Specification9_spec__3_~floor~0#1; 50195#L537-2 assume 0 != ~floorButtons_spc9_0~0;~floorButtons_spc9_0~0 := 0; 46993#L535-3 assume { :end_inline___utac_acc__Specification9_spec__3 } true; 46994#L2089-1 assume { :end_inline_timeShift } true;cleanup_~i~3#1 := 1 + cleanup_~i~3#1; 50846#L3249-2 [2022-10-17 10:19:02,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:19:02,422 INFO L85 PathProgramCache]: Analyzing trace with hash -799820014, now seen corresponding path program 1 times [2022-10-17 10:19:02,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:19:02,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400079965] [2022-10-17 10:19:02,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:19:02,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:19:02,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:19:02,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:19:02,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:19:02,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400079965] [2022-10-17 10:19:02,538 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400079965] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:19:02,538 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:19:02,538 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:19:02,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555134451] [2022-10-17 10:19:02,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:19:02,540 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-10-17 10:19:02,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:19:02,540 INFO L85 PathProgramCache]: Analyzing trace with hash 1488609218, now seen corresponding path program 1 times [2022-10-17 10:19:02,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:19:02,542 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36578999] [2022-10-17 10:19:02,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:19:02,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:19:02,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:19:02,562 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:19:02,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:19:02,625 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:19:03,385 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:19:03,385 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:19:03,386 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:19:03,386 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:19:03,386 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-10-17 10:19:03,386 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:19:03,387 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:19:03,387 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:19:03,387 INFO L133 ssoRankerPreferences]: Filename of dumped script: elevator_spec9_product30.cil.c_Iteration3_Loop [2022-10-17 10:19:03,387 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:19:03,388 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:19:03,424 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:03,453 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:03,456 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:03,459 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:03,471 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:03,475 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:03,478 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:03,480 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:03,483 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:03,491 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:03,505 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:03,516 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:03,519 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:03,521 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:03,527 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:03,534 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:03,537 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:03,540 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:03,543 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:03,546 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:03,548 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:03,550 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:03,558 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:03,565 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:03,569 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:03,572 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:03,576 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:03,579 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:03,581 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:03,583 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:19:04,069 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:19:04,070 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-10-17 10:19:04,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:19:04,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13d16a37-267f-4175-a930-7b992c6ef554/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:19:04,075 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13d16a37-267f-4175-a930-7b992c6ef554/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:19:04,089 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:19:04,089 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:19:04,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13d16a37-267f-4175-a930-7b992c6ef554/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-10-17 10:19:04,175 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13d16a37-267f-4175-a930-7b992c6ef554/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-10-17 10:19:04,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:19:04,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13d16a37-267f-4175-a930-7b992c6ef554/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:19:04,180 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13d16a37-267f-4175-a930-7b992c6ef554/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:19:04,187 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-10-17 10:19:04,187 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:19:04,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13d16a37-267f-4175-a930-7b992c6ef554/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process