./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/elevator_spec13_product21.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58c713e5-fbbd-445a-99a1-bae2ebd94e50/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58c713e5-fbbd-445a-99a1-bae2ebd94e50/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58c713e5-fbbd-445a-99a1-bae2ebd94e50/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58c713e5-fbbd-445a-99a1-bae2ebd94e50/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/elevator_spec13_product21.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58c713e5-fbbd-445a-99a1-bae2ebd94e50/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58c713e5-fbbd-445a-99a1-bae2ebd94e50/bin/uautomizer-verify-4GaUIPS5ZU --witnessprinter.witness.filename witness --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 bb3dce9b114483214f320874a7aac06c61be45c777f03f63c22a8ddab1e62ece --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:06:03,969 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:06:04,055 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58c713e5-fbbd-445a-99a1-bae2ebd94e50/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-10-31 22:06:04,062 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:06:04,065 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:06:04,108 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:06:04,109 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:06:04,110 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:06:04,111 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:06:04,111 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:06:04,114 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:06:04,114 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:06:04,115 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:06:04,115 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-31 22:06:04,118 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-31 22:06:04,118 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-31 22:06:04,119 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-31 22:06:04,119 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-31 22:06:04,119 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-31 22:06:04,120 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:06:04,120 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-31 22:06:04,126 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:06:04,126 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:06:04,127 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:06:04,127 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:06:04,127 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-31 22:06:04,127 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-31 22:06:04,128 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-31 22:06:04,128 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:06:04,128 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:06:04,128 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:06:04,129 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:06:04,129 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-31 22:06:04,129 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:06:04,129 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:06:04,130 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:06:04,131 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:06:04,131 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:06:04,132 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-31 22:06:04,132 INFO L153 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_58c713e5-fbbd-445a-99a1-bae2ebd94e50/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58c713e5-fbbd-445a-99a1-bae2ebd94e50/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bb3dce9b114483214f320874a7aac06c61be45c777f03f63c22a8ddab1e62ece [2024-10-31 22:06:04,546 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:06:04,580 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:06:04,583 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:06:04,585 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:06:04,586 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:06:04,587 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58c713e5-fbbd-445a-99a1-bae2ebd94e50/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/product-lines/elevator_spec13_product21.cil.c Unable to find full path for "g++" [2024-10-31 22:06:06,705 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:06:07,146 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:06:07,146 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58c713e5-fbbd-445a-99a1-bae2ebd94e50/sv-benchmarks/c/product-lines/elevator_spec13_product21.cil.c [2024-10-31 22:06:07,172 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58c713e5-fbbd-445a-99a1-bae2ebd94e50/bin/uautomizer-verify-4GaUIPS5ZU/data/c53409d30/122708e4bd894c028596ae7598df3de6/FLAG62a4579bf [2024-10-31 22:06:07,296 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58c713e5-fbbd-445a-99a1-bae2ebd94e50/bin/uautomizer-verify-4GaUIPS5ZU/data/c53409d30/122708e4bd894c028596ae7598df3de6 [2024-10-31 22:06:07,299 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:06:07,301 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:06:07,303 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:06:07,303 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:06:07,307 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:06:07,308 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:06:07" (1/1) ... [2024-10-31 22:06:07,309 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e663802 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:07, skipping insertion in model container [2024-10-31 22:06:07,309 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:06:07" (1/1) ... [2024-10-31 22:06:07,375 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:06:08,058 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:06:08,075 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:06:08,087 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Floor.i","") [48] [2024-10-31 22:06:08,089 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [716] [2024-10-31 22:06:08,089 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Person.i","") [754] [2024-10-31 22:06:08,089 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [875] [2024-10-31 22:06:08,091 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Elevator.i","") [1230] [2024-10-31 22:06:08,091 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"UnitTests.i","") [2746] [2024-10-31 22:06:08,091 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [2837] [2024-10-31 22:06:08,092 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [2846] [2024-10-31 22:06:08,092 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification13_spec.i","") [2861] [2024-10-31 22:06:08,092 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2950] [2024-10-31 22:06:08,216 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:06:08,255 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:06:08,255 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:08 WrapperNode [2024-10-31 22:06:08,256 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:06:08,257 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:06:08,257 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:06:08,257 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:06:08,263 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:08" (1/1) ... [2024-10-31 22:06:08,292 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:08" (1/1) ... [2024-10-31 22:06:08,873 INFO L138 Inliner]: procedures = 90, calls = 339, calls flagged for inlining = 192, calls inlined = 925, statements flattened = 33600 [2024-10-31 22:06:08,873 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:06:08,874 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:06:08,874 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:06:08,874 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:06:08,888 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:08" (1/1) ... [2024-10-31 22:06:08,888 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:08" (1/1) ... [2024-10-31 22:06:08,991 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:08" (1/1) ... [2024-10-31 22:06:09,140 INFO L175 MemorySlicer]: Split 81 memory accesses to 20 slices as follows [2, 4, 4, 5, 3, 3, 5, 7, 4, 4, 4, 4, 4, 6, 4, 4, 4, 4, 4, 2]. 9 percent of accesses are in the largest equivalence class. The 81 initializations are split as follows [2, 4, 4, 5, 3, 3, 5, 7, 4, 4, 4, 4, 4, 6, 4, 4, 4, 4, 4, 2]. The 0 writes are split as follows [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]. [2024-10-31 22:06:09,141 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:08" (1/1) ... [2024-10-31 22:06:09,141 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:08" (1/1) ... [2024-10-31 22:06:09,349 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:08" (1/1) ... [2024-10-31 22:06:09,687 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:08" (1/1) ... [2024-10-31 22:06:09,719 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:08" (1/1) ... [2024-10-31 22:06:09,760 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:08" (1/1) ... [2024-10-31 22:06:09,833 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:06:09,835 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:06:09,835 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:06:09,835 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:06:09,836 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:08" (1/1) ... [2024-10-31 22:06:09,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:06:09,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58c713e5-fbbd-445a-99a1-bae2ebd94e50/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:06:09,871 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58c713e5-fbbd-445a-99a1-bae2ebd94e50/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:06:09,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58c713e5-fbbd-445a-99a1-bae2ebd94e50/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-10-31 22:06:09,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:06:09,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:06:09,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-31 22:06:09,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-31 22:06:09,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-31 22:06:09,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-31 22:06:09,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-31 22:06:09,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-31 22:06:09,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-31 22:06:09,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-31 22:06:09,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-31 22:06:09,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-31 22:06:09,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-31 22:06:09,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-31 22:06:09,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-10-31 22:06:09,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-10-31 22:06:09,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-10-31 22:06:09,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-10-31 22:06:09,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-10-31 22:06:09,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-10-31 22:06:09,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-10-31 22:06:09,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:06:09,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:06:10,163 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:06:10,165 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:06:28,497 INFO L? ?]: Removed 14452 outVars from TransFormulas that were not future-live. [2024-10-31 22:06:28,497 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:06:28,654 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:06:28,654 INFO L316 CfgBuilder]: Removed 61 assume(true) statements. [2024-10-31 22:06:28,655 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:06:28 BoogieIcfgContainer [2024-10-31 22:06:28,655 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:06:28,656 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-31 22:06:28,656 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-31 22:06:28,660 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-31 22:06:28,661 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:06:28,662 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.10 10:06:07" (1/3) ... [2024-10-31 22:06:28,663 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@13dbe271 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.10 10:06:28, skipping insertion in model container [2024-10-31 22:06:28,663 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:06:28,663 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:08" (2/3) ... [2024-10-31 22:06:28,664 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@13dbe271 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.10 10:06:28, skipping insertion in model container [2024-10-31 22:06:28,664 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:06:28,664 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:06:28" (3/3) ... [2024-10-31 22:06:28,666 INFO L332 chiAutomizerObserver]: Analyzing ICFG elevator_spec13_product21.cil.c [2024-10-31 22:06:28,899 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-31 22:06:28,899 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-31 22:06:28,899 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-31 22:06:28,899 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-31 22:06:28,900 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-31 22:06:28,900 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-31 22:06:28,900 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-31 22:06:28,900 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-31 22:06:28,935 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9192 states, 9191 states have (on average 1.8817321292568818) internal successors, (17295), 9191 states have internal predecessors, (17295), 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) [2024-10-31 22:06:29,258 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 2324 [2024-10-31 22:06:29,258 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:06:29,259 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:06:29,268 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:06:29,269 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:06:29,269 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-31 22:06:29,294 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9192 states, 9191 states have (on average 1.8817321292568818) internal successors, (17295), 9191 states have internal predecessors, (17295), 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) [2024-10-31 22:06:29,435 INFO L131 ngComponentsAnalysis]: Automaton has 33 accepting balls. 2324 [2024-10-31 22:06:29,435 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:06:29,435 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:06:29,437 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:06:29,438 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:06:29,446 INFO L745 eck$LassoCheckResult]: Stem: 4782#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(32, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(10, 4);call #Ultimate.allocInit(4, 5);call write~init~int#1(91, 5, 0, 1);call write~init~int#1(95, 5, 1, 1);call write~init~int#1(93, 5, 2, 1);call write~init~int#1(0, 5, 3, 1);call #Ultimate.allocInit(4, 6);call write~init~int#2(91, 6, 0, 1);call write~init~int#2(93, 6, 1, 1);call write~init~int#2(32, 6, 2, 1);call write~init~int#2(0, 6, 3, 1);call #Ultimate.allocInit(5, 7);call write~init~int#3(32, 7, 0, 1);call write~init~int#3(97, 7, 1, 1);call write~init~int#3(116, 7, 2, 1);call write~init~int#3(32, 7, 3, 1);call write~init~int#3(0, 7, 4, 1);call #Ultimate.allocInit(3, 8);call write~init~int#4(37, 8, 0, 1);call write~init~int#4(105, 8, 1, 1);call write~init~int#4(0, 8, 2, 1);call #Ultimate.allocInit(10, 9);call #Ultimate.allocInit(3, 10);call write~init~int#5(117, 10, 0, 1);call write~init~int#5(112, 10, 1, 1);call write~init~int#5(0, 10, 2, 1);call #Ultimate.allocInit(5, 11);call write~init~int#6(100, 11, 0, 1);call write~init~int#6(111, 11, 1, 1);call write~init~int#6(119, 11, 2, 1);call write~init~int#6(110, 11, 3, 1);call write~init~int#6(0, 11, 4, 1);call #Ultimate.allocInit(7, 12);call write~init~int#7(32, 12, 0, 1);call write~init~int#7(73, 12, 1, 1);call write~init~int#7(76, 12, 2, 1);call write~init~int#7(95, 12, 3, 1);call write~init~int#7(112, 12, 4, 1);call write~init~int#7(58, 12, 5, 1);call write~init~int#7(0, 12, 6, 1);call #Ultimate.allocInit(4, 13);call write~init~int#8(32, 13, 0, 1);call write~init~int#8(37, 13, 1, 1);call write~init~int#8(105, 13, 2, 1);call write~init~int#8(0, 13, 3, 1);call #Ultimate.allocInit(4, 14);call write~init~int#9(32, 14, 0, 1);call write~init~int#9(37, 14, 1, 1);call write~init~int#9(105, 14, 2, 1);call write~init~int#9(0, 14, 3, 1);call #Ultimate.allocInit(4, 15);call write~init~int#10(32, 15, 0, 1);call write~init~int#10(37, 15, 1, 1);call write~init~int#10(105, 15, 2, 1);call write~init~int#10(0, 15, 3, 1);call #Ultimate.allocInit(4, 16);call write~init~int#11(32, 16, 0, 1);call write~init~int#11(37, 16, 1, 1);call write~init~int#11(105, 16, 2, 1);call write~init~int#11(0, 16, 3, 1);call #Ultimate.allocInit(4, 17);call write~init~int#12(32, 17, 0, 1);call write~init~int#12(37, 17, 1, 1);call write~init~int#12(105, 17, 2, 1);call write~init~int#12(0, 17, 3, 1);call #Ultimate.allocInit(6, 18);call write~init~int#13(32, 18, 0, 1);call write~init~int#13(70, 18, 1, 1);call write~init~int#13(95, 18, 2, 1);call write~init~int#13(112, 18, 3, 1);call write~init~int#13(58, 18, 4, 1);call write~init~int#13(0, 18, 5, 1);call #Ultimate.allocInit(4, 19);call write~init~int#14(32, 19, 0, 1);call write~init~int#14(37, 19, 1, 1);call write~init~int#14(105, 19, 2, 1);call write~init~int#14(0, 19, 3, 1);call #Ultimate.allocInit(4, 20);call write~init~int#15(32, 20, 0, 1);call write~init~int#15(37, 20, 1, 1);call write~init~int#15(105, 20, 2, 1);call write~init~int#15(0, 20, 3, 1);call #Ultimate.allocInit(4, 21);call write~init~int#16(32, 21, 0, 1);call write~init~int#16(37, 21, 1, 1);call write~init~int#16(105, 21, 2, 1);call write~init~int#16(0, 21, 3, 1);call #Ultimate.allocInit(4, 22);call write~init~int#17(32, 22, 0, 1);call write~init~int#17(37, 22, 1, 1);call write~init~int#17(105, 22, 2, 1);call write~init~int#17(0, 22, 3, 1);call #Ultimate.allocInit(4, 23);call write~init~int#18(32, 23, 0, 1);call write~init~int#18(37, 23, 1, 1);call write~init~int#18(105, 23, 2, 1);call write~init~int#18(0, 23, 3, 1);call #Ultimate.allocInit(2, 24);call write~init~int#19(10, 24, 0, 1);call write~init~int#19(0, 24, 1, 1);call #Ultimate.allocInit(30, 25);call #Ultimate.allocInit(9, 26);call #Ultimate.allocInit(21, 27);call #Ultimate.allocInit(30, 28);call #Ultimate.allocInit(9, 29);call #Ultimate.allocInit(21, 30);call #Ultimate.allocInit(30, 31);call #Ultimate.allocInit(9, 32);call #Ultimate.allocInit(25, 33);call #Ultimate.allocInit(30, 34);call #Ultimate.allocInit(9, 35);call #Ultimate.allocInit(25, 36);~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;~cleanupTimeShifts~0 := 12;~weight~0 := 0;~maximumWeight~0 := 100;~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;~prevDir~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 4502#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret18#1, main_~retValue_acc~9#1, main_~tmp~8#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 7736#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 7419#select_features_returnLabel#1true 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; 656#valid_product_returnLabel#1true main_#t~ret18#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret18#1;havoc main_#t~ret18#1; 3081#L1217true assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 1478#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;assume { :begin_inline_aliceCall } true;havoc aliceCall_#t~ret7#1, aliceCall_~tmp~1#1;havoc aliceCall_~tmp~1#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 1;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~6#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~6#1; 806#L801true assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~6#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~6#1; 2462#getOrigin_returnLabel#1true aliceCall_#t~ret7#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~6#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;aliceCall_~tmp~1#1 := aliceCall_#t~ret7#1;havoc aliceCall_#t~ret7#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 1, aliceCall_~tmp~1#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 9009#L409true assume 0 == initPersonOnFloor_~floor#1; 7820#L410true assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 996#L517-1true assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 2486#L201true assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 7600#L213-2true havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 931#initPersonOnFloor_returnLabel#1true havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 7356#aliceCall_returnLabel#1true havoc aliceCall_#t~ret7#1, aliceCall_~tmp~1#1;assume { :end_inline_aliceCall } true;assume { :begin_inline_angelinaCall } true;havoc angelinaCall_#t~ret8#1, angelinaCall_~tmp~2#1;havoc angelinaCall_~tmp~2#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 2;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~6#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~6#1; 463#L801-1true assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~6#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~6#1; 371#getOrigin_returnLabel#2true angelinaCall_#t~ret8#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~6#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;angelinaCall_~tmp~2#1 := angelinaCall_#t~ret8#1;havoc angelinaCall_#t~ret8#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 2, angelinaCall_~tmp~2#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 5509#L409-1true assume 0 == initPersonOnFloor_~floor#1; 6028#L410-2true assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 3480#L517-3true assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 8133#L201-2true assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 6224#L213-5true havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 3296#initPersonOnFloor_returnLabel#2true havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 7568#angelinaCall_returnLabel#1true havoc angelinaCall_#t~ret8#1, angelinaCall_~tmp~2#1;assume { :end_inline_angelinaCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret60#1, timeShift_#t~ret61#1, timeShift_#t~ret62#1, timeShift_#t~ret63#1, timeShift_#t~ret64#1, timeShift_#t~ret65#1, timeShift_#t~ret66#1, timeShift_#t~ret67#1, timeShift_#t~ret68#1, timeShift_#t~ret69#1, timeShift_#t~ret70#1, timeShift_~tmp~19#1, timeShift_~tmp___0~7#1, timeShift_~tmp___1~4#1, timeShift_~tmp___2~4#1, timeShift_~tmp___3~3#1, timeShift_~tmp___4~2#1, timeShift_~tmp___5~2#1, timeShift_~tmp___6~2#1, timeShift_~tmp___7~2#1, timeShift_~tmp___8~2#1, timeShift_~tmp___9~2#1;havoc timeShift_~tmp~19#1;havoc timeShift_~tmp___0~7#1;havoc timeShift_~tmp___1~4#1;havoc timeShift_~tmp___2~4#1;havoc timeShift_~tmp___3~3#1;havoc timeShift_~tmp___4~2#1;havoc timeShift_~tmp___5~2#1;havoc timeShift_~tmp___6~2#1;havoc timeShift_~tmp___7~2#1;havoc timeShift_~tmp___8~2#1;havoc timeShift_~tmp___9~2#1;assume { :begin_inline___utac_acc__Specification13_spec__1 } true;havoc __utac_acc__Specification13_spec__1_#t~ret103#1;assume { :begin_inline_getCurrentHeading } true;havoc getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~14#1;havoc getCurrentHeading_~retValue_acc~14#1;getCurrentHeading_~retValue_acc~14#1 := ~currentHeading~0;getCurrentHeading_#res#1 := getCurrentHeading_~retValue_acc~14#1; 6986#getCurrentHeading_returnLabel#1true __utac_acc__Specification13_spec__1_#t~ret103#1 := getCurrentHeading_#res#1;havoc getCurrentHeading_~retValue_acc~14#1;assume { :end_inline_getCurrentHeading } true;~prevDir~0 := __utac_acc__Specification13_spec__1_#t~ret103#1;havoc __utac_acc__Specification13_spec__1_#t~ret103#1; 3591#__utac_acc__Specification13_spec__1_returnLabel#1true havoc __utac_acc__Specification13_spec__1_#t~ret103#1;assume { :end_inline___utac_acc__Specification13_spec__1 } true;assume { :begin_inline_stopRequestedAtCurrentFloor } true;havoc stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret45#1, stopRequestedAtCurrentFloor_#t~ret46#1, stopRequestedAtCurrentFloor_#t~ret47#1, stopRequestedAtCurrentFloor_~retValue_acc~22#1, stopRequestedAtCurrentFloor_~tmp~17#1, stopRequestedAtCurrentFloor_~tmp___0~5#1, stopRequestedAtCurrentFloor_~__cil_tmp4~1#1, stopRequestedAtCurrentFloor_~__cil_tmp5~0#1;havoc stopRequestedAtCurrentFloor_~retValue_acc~22#1;havoc stopRequestedAtCurrentFloor_~tmp~17#1;havoc stopRequestedAtCurrentFloor_~tmp___0~5#1;havoc stopRequestedAtCurrentFloor_~__cil_tmp4~1#1;havoc stopRequestedAtCurrentFloor_~__cil_tmp5~0#1;stopRequestedAtCurrentFloor_~__cil_tmp4~1#1 := 2 * ~maximumWeight~0;stopRequestedAtCurrentFloor_~__cil_tmp5~0#1 := (if stopRequestedAtCurrentFloor_~__cil_tmp4~1#1 < 0 && 0 != stopRequestedAtCurrentFloor_~__cil_tmp4~1#1 % 3 then 1 + stopRequestedAtCurrentFloor_~__cil_tmp4~1#1 / 3 else stopRequestedAtCurrentFloor_~__cil_tmp4~1#1 / 3); 4668#L2140true assume ~weight~0 > stopRequestedAtCurrentFloor_~__cil_tmp5~0#1;assume { :begin_inline_getCurrentFloorID } true;havoc getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~11#1;havoc getCurrentFloorID_~retValue_acc~11#1;getCurrentFloorID_~retValue_acc~11#1 := ~currentFloorID~0;getCurrentFloorID_#res#1 := getCurrentFloorID_~retValue_acc~11#1; 3362#getCurrentFloorID_returnLabel#1true stopRequestedAtCurrentFloor_#t~ret45#1 := getCurrentFloorID_#res#1;havoc getCurrentFloorID_~retValue_acc~11#1;assume { :end_inline_getCurrentFloorID } true;stopRequestedAtCurrentFloor_~tmp~17#1 := stopRequestedAtCurrentFloor_#t~ret45#1;havoc stopRequestedAtCurrentFloor_#t~ret45#1;assume { :begin_inline_buttonForFloorIsPressed } true;buttonForFloorIsPressed_#in~floorID#1 := stopRequestedAtCurrentFloor_~tmp~17#1;havoc buttonForFloorIsPressed_#res#1;havoc buttonForFloorIsPressed_~floorID#1, buttonForFloorIsPressed_~retValue_acc~13#1;buttonForFloorIsPressed_~floorID#1 := buttonForFloorIsPressed_#in~floorID#1;havoc buttonForFloorIsPressed_~retValue_acc~13#1; 3424#L1476true assume 0 == buttonForFloorIsPressed_~floorID#1;buttonForFloorIsPressed_~retValue_acc~13#1 := ~floorButtons_0~0;buttonForFloorIsPressed_#res#1 := buttonForFloorIsPressed_~retValue_acc~13#1; 5581#buttonForFloorIsPressed_returnLabel#1true stopRequestedAtCurrentFloor_#t~ret46#1 := buttonForFloorIsPressed_#res#1;havoc buttonForFloorIsPressed_~floorID#1, buttonForFloorIsPressed_~retValue_acc~13#1;havoc buttonForFloorIsPressed_#in~floorID#1;assume { :end_inline_buttonForFloorIsPressed } true;stopRequestedAtCurrentFloor_~tmp___0~5#1 := stopRequestedAtCurrentFloor_#t~ret46#1;havoc stopRequestedAtCurrentFloor_#t~ret46#1;stopRequestedAtCurrentFloor_~retValue_acc~22#1 := (if 1 == stopRequestedAtCurrentFloor_~tmp___0~5#1 then 1 else 0);stopRequestedAtCurrentFloor_#res#1 := stopRequestedAtCurrentFloor_~retValue_acc~22#1; 246#stopRequestedAtCurrentFloor_returnLabel#1true timeShift_#t~ret60#1 := stopRequestedAtCurrentFloor_#res#1;havoc stopRequestedAtCurrentFloor_#t~ret45#1, stopRequestedAtCurrentFloor_#t~ret46#1, stopRequestedAtCurrentFloor_#t~ret47#1, stopRequestedAtCurrentFloor_~retValue_acc~22#1, stopRequestedAtCurrentFloor_~tmp~17#1, stopRequestedAtCurrentFloor_~tmp___0~5#1, stopRequestedAtCurrentFloor_~__cil_tmp4~1#1, stopRequestedAtCurrentFloor_~__cil_tmp5~0#1;assume { :end_inline_stopRequestedAtCurrentFloor } true;timeShift_~tmp___9~2#1 := timeShift_#t~ret60#1;havoc timeShift_#t~ret60#1; 4820#L2290true assume !(0 != timeShift_~tmp___9~2#1); 1473#L2381true assume 1 == ~doorState~0;~doorState~0 := 0; 5046#L2381-2true assume { :begin_inline_stopRequestedInDirection } true;stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1 := ~currentHeading~0, 1, 1;havoc stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret38#1, stopRequestedInDirection_#t~ret39#1, stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~19#1, stopRequestedInDirection_~overload~0#1, stopRequestedInDirection_~buttonPressed~0#1, stopRequestedInDirection_~tmp~14#1, stopRequestedInDirection_~__cil_tmp8~0#1, stopRequestedInDirection_~__cil_tmp9~0#1;stopRequestedInDirection_~dir#1 := stopRequestedInDirection_#in~dir#1;stopRequestedInDirection_~respectFloorCalls#1 := stopRequestedInDirection_#in~respectFloorCalls#1;stopRequestedInDirection_~respectInLiftCalls#1 := stopRequestedInDirection_#in~respectInLiftCalls#1;havoc stopRequestedInDirection_~retValue_acc~19#1;havoc stopRequestedInDirection_~overload~0#1;havoc stopRequestedInDirection_~buttonPressed~0#1;havoc stopRequestedInDirection_~tmp~14#1;havoc stopRequestedInDirection_~__cil_tmp8~0#1;havoc stopRequestedInDirection_~__cil_tmp9~0#1;stopRequestedInDirection_~__cil_tmp8~0#1 := 2 * ~maximumWeight~0;stopRequestedInDirection_~__cil_tmp9~0#1 := (if stopRequestedInDirection_~__cil_tmp8~0#1 < 0 && 0 != stopRequestedInDirection_~__cil_tmp8~0#1 % 3 then 1 + stopRequestedInDirection_~__cil_tmp8~0#1 / 3 else stopRequestedInDirection_~__cil_tmp8~0#1 / 3);stopRequestedInDirection_~overload~0#1 := (if ~weight~0 > stopRequestedInDirection_~__cil_tmp9~0#1 then 1 else 0);assume { :begin_inline_isAnyLiftButtonPressed } true;havoc isAnyLiftButtonPressed_#res#1;havoc isAnyLiftButtonPressed_~retValue_acc~20#1;havoc isAnyLiftButtonPressed_~retValue_acc~20#1; 9022#L2043true assume 0 != ~floorButtons_0~0;isAnyLiftButtonPressed_~retValue_acc~20#1 := 1;isAnyLiftButtonPressed_#res#1 := isAnyLiftButtonPressed_~retValue_acc~20#1; 5368#isAnyLiftButtonPressed_returnLabel#1true stopRequestedInDirection_#t~ret38#1 := isAnyLiftButtonPressed_#res#1;havoc isAnyLiftButtonPressed_~retValue_acc~20#1;assume { :end_inline_isAnyLiftButtonPressed } true;stopRequestedInDirection_~tmp~14#1 := stopRequestedInDirection_#t~ret38#1;havoc stopRequestedInDirection_#t~ret38#1;stopRequestedInDirection_~buttonPressed~0#1 := stopRequestedInDirection_~tmp~14#1; 3326#L2016true assume !(0 != stopRequestedInDirection_~overload~0#1);assume { :begin_inline_stopRequestedInDirection__wrappee__weight } true;stopRequestedInDirection__wrappee__weight_#in~dir#1, stopRequestedInDirection__wrappee__weight_#in~respectFloorCalls#1, stopRequestedInDirection__wrappee__weight_#in~respectInLiftCalls#1 := stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1;havoc stopRequestedInDirection__wrappee__weight_#res#1;havoc stopRequestedInDirection__wrappee__weight_#t~ret27#1, stopRequestedInDirection__wrappee__weight_#t~ret28#1, stopRequestedInDirection__wrappee__weight_#t~ret29#1, stopRequestedInDirection__wrappee__weight_#t~ret30#1, stopRequestedInDirection__wrappee__weight_#t~ret31#1, stopRequestedInDirection__wrappee__weight_#t~ret32#1, stopRequestedInDirection__wrappee__weight_#t~ret33#1, stopRequestedInDirection__wrappee__weight_#t~ret34#1, stopRequestedInDirection__wrappee__weight_#t~ret35#1, stopRequestedInDirection__wrappee__weight_#t~ret36#1, stopRequestedInDirection__wrappee__weight_#t~ret37#1, stopRequestedInDirection__wrappee__weight_~dir#1, stopRequestedInDirection__wrappee__weight_~respectFloorCalls#1, stopRequestedInDirection__wrappee__weight_~respectInLiftCalls#1, stopRequestedInDirection__wrappee__weight_~retValue_acc~18#1, stopRequestedInDirection__wrappee__weight_~tmp~13#1, stopRequestedInDirection__wrappee__weight_~tmp___0~3#1, stopRequestedInDirection__wrappee__weight_~tmp___1~2#1, stopRequestedInDirection__wrappee__weight_~tmp___2~2#1, stopRequestedInDirection__wrappee__weight_~tmp___3~1#1, stopRequestedInDirection__wrappee__weight_~tmp___4~0#1, stopRequestedInDirection__wrappee__weight_~tmp___5~0#1, stopRequestedInDirection__wrappee__weight_~tmp___6~0#1, stopRequestedInDirection__wrappee__weight_~tmp___7~0#1, stopRequestedInDirection__wrappee__weight_~tmp___8~0#1, stopRequestedInDirection__wrappee__weight_~tmp___9~0#1;stopRequestedInDirection__wrappee__weight_~dir#1 := stopRequestedInDirection__wrappee__weight_#in~dir#1;stopRequestedInDirection__wrappee__weight_~respectFloorCalls#1 := stopRequestedInDirection__wrappee__weight_#in~respectFloorCalls#1;stopRequestedInDirection__wrappee__weight_~respectInLiftCalls#1 := stopRequestedInDirection__wrappee__weight_#in~respectInLiftCalls#1;havoc stopRequestedInDirection__wrappee__weight_~retValue_acc~18#1;havoc stopRequestedInDirection__wrappee__weight_~tmp~13#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___0~3#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___1~2#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___2~2#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___3~1#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___4~0#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___5~0#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___6~0#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___7~0#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___8~0#1;havoc stopRequestedInDirection__wrappee__weight_~tmp___9~0#1; 2126#L1663-2true assume !(1 == stopRequestedInDirection__wrappee__weight_~dir#1); 6998#L1832-2true assume 0 == ~currentFloorID~0;stopRequestedInDirection__wrappee__weight_~retValue_acc~18#1 := 0;stopRequestedInDirection__wrappee__weight_#res#1 := stopRequestedInDirection__wrappee__weight_~retValue_acc~18#1; 7676#stopRequestedInDirection__wrappee__weight_returnLabel#3true stopRequestedInDirection_#t~ret41#1 := stopRequestedInDirection__wrappee__weight_#res#1;havoc stopRequestedInDirection__wrappee__weight_#t~ret27#1, stopRequestedInDirection__wrappee__weight_#t~ret28#1, stopRequestedInDirection__wrappee__weight_#t~ret29#1, stopRequestedInDirection__wrappee__weight_#t~ret30#1, stopRequestedInDirection__wrappee__weight_#t~ret31#1, stopRequestedInDirection__wrappee__weight_#t~ret32#1, stopRequestedInDirection__wrappee__weight_#t~ret33#1, stopRequestedInDirection__wrappee__weight_#t~ret34#1, stopRequestedInDirection__wrappee__weight_#t~ret35#1, stopRequestedInDirection__wrappee__weight_#t~ret36#1, stopRequestedInDirection__wrappee__weight_#t~ret37#1, stopRequestedInDirection__wrappee__weight_~dir#1, stopRequestedInDirection__wrappee__weight_~respectFloorCalls#1, stopRequestedInDirection__wrappee__weight_~respectInLiftCalls#1, stopRequestedInDirection__wrappee__weight_~retValue_acc~18#1, stopRequestedInDirection__wrappee__weight_~tmp~13#1, stopRequestedInDirection__wrappee__weight_~tmp___0~3#1, stopRequestedInDirection__wrappee__weight_~tmp___1~2#1, stopRequestedInDirection__wrappee__weight_~tmp___2~2#1, stopRequestedInDirection__wrappee__weight_~tmp___3~1#1, stopRequestedInDirection__wrappee__weight_~tmp___4~0#1, stopRequestedInDirection__wrappee__weight_~tmp___5~0#1, stopRequestedInDirection__wrappee__weight_~tmp___6~0#1, stopRequestedInDirection__wrappee__weight_~tmp___7~0#1, stopRequestedInDirection__wrappee__weight_~tmp___8~0#1, stopRequestedInDirection__wrappee__weight_~tmp___9~0#1;havoc stopRequestedInDirection__wrappee__weight_#in~dir#1, stopRequestedInDirection__wrappee__weight_#in~respectFloorCalls#1, stopRequestedInDirection__wrappee__weight_#in~respectInLiftCalls#1;assume { :end_inline_stopRequestedInDirection__wrappee__weight } true;stopRequestedInDirection_~retValue_acc~19#1 := stopRequestedInDirection_#t~ret41#1;havoc stopRequestedInDirection_#t~ret41#1;stopRequestedInDirection_#res#1 := stopRequestedInDirection_~retValue_acc~19#1; 1586#stopRequestedInDirection_returnLabel#1true timeShift_#t~ret67#1 := stopRequestedInDirection_#res#1;havoc stopRequestedInDirection_#t~ret38#1, stopRequestedInDirection_#t~ret39#1, stopRequestedInDirection_#t~ret40#1, stopRequestedInDirection_#t~ret41#1, stopRequestedInDirection_~dir#1, stopRequestedInDirection_~respectFloorCalls#1, stopRequestedInDirection_~respectInLiftCalls#1, stopRequestedInDirection_~retValue_acc~19#1, stopRequestedInDirection_~overload~0#1, stopRequestedInDirection_~buttonPressed~0#1, stopRequestedInDirection_~tmp~14#1, stopRequestedInDirection_~__cil_tmp8~0#1, stopRequestedInDirection_~__cil_tmp9~0#1;havoc stopRequestedInDirection_#in~dir#1, stopRequestedInDirection_#in~respectFloorCalls#1, stopRequestedInDirection_#in~respectInLiftCalls#1;assume { :end_inline_stopRequestedInDirection } true;timeShift_~tmp___8~2#1 := timeShift_#t~ret67#1;havoc timeShift_#t~ret67#1; 6193#L2389true assume 0 != timeShift_~tmp___8~2#1;assume { :begin_inline_continueInDirection } true;continueInDirection_#in~dir#1 := ~currentHeading~0;havoc continueInDirection_#t~ret42#1, continueInDirection_~dir#1, continueInDirection_~tmp~15#1;continueInDirection_~dir#1 := continueInDirection_#in~dir#1;havoc continueInDirection_~tmp~15#1;~currentHeading~0 := continueInDirection_~dir#1; 6692#L2078true assume !(1 == ~currentHeading~0); 6844#L2088true assume !(0 == ~currentFloorID~0); 8448#L2088-2true assume 1 == ~currentHeading~0;~currentFloorID~0 := 1 + ~currentFloorID~0; 970#L2094-1true havoc continueInDirection_#t~ret42#1, continueInDirection_~dir#1, continueInDirection_~tmp~15#1;havoc continueInDirection_#in~dir#1;assume { :end_inline_continueInDirection } true; 230#L2398-2true assume { :begin_inline___utac_acc__Specification13_spec__2 } true;havoc __utac_acc__Specification13_spec__2_#t~ret104#1, __utac_acc__Specification13_spec__2_#t~ret105#1, __utac_acc__Specification13_spec__2_#t~ret106#1, __utac_acc__Specification13_spec__2_#t~ret107#1, __utac_acc__Specification13_spec__2_#t~ret108#1, __utac_acc__Specification13_spec__2_#t~ret109#1, __utac_acc__Specification13_spec__2_~tmp~23#1, __utac_acc__Specification13_spec__2_~tmp___0~11#1, __utac_acc__Specification13_spec__2_~tmp___1~8#1, __utac_acc__Specification13_spec__2_~tmp___2~6#1, __utac_acc__Specification13_spec__2_~tmp___3~5#1, __utac_acc__Specification13_spec__2_~tmp___4~3#1, __utac_acc__Specification13_spec__2_~__cil_tmp7~1#1, __utac_acc__Specification13_spec__2_~__cil_tmp8~2#1;havoc __utac_acc__Specification13_spec__2_~tmp~23#1;havoc __utac_acc__Specification13_spec__2_~tmp___0~11#1;havoc __utac_acc__Specification13_spec__2_~tmp___1~8#1;havoc __utac_acc__Specification13_spec__2_~tmp___2~6#1;havoc __utac_acc__Specification13_spec__2_~tmp___3~5#1;havoc __utac_acc__Specification13_spec__2_~tmp___4~3#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp7~1#1;havoc __utac_acc__Specification13_spec__2_~__cil_tmp8~2#1;__utac_acc__Specification13_spec__2_~__cil_tmp7~1#1 := 2 * ~maximumWeight~0;__utac_acc__Specification13_spec__2_~__cil_tmp8~2#1 := (if __utac_acc__Specification13_spec__2_~__cil_tmp7~1#1 < 0 && 0 != __utac_acc__Specification13_spec__2_~__cil_tmp7~1#1 % 3 then 1 + __utac_acc__Specification13_spec__2_~__cil_tmp7~1#1 / 3 else __utac_acc__Specification13_spec__2_~__cil_tmp7~1#1 / 3); 2561#L2887true assume ~weight~0 > __utac_acc__Specification13_spec__2_~__cil_tmp8~2#1; 4857#L2888true assume 1 == ~prevDir~0;assume { :begin_inline_existInLiftCallsInDirection } true;existInLiftCallsInDirection_#in~d#1 := 0;havoc existInLiftCallsInDirection_#res#1;havoc existInLiftCallsInDirection_~d#1, existInLiftCallsInDirection_~retValue_acc~24#1, existInLiftCallsInDirection_~i~1#1, existInLiftCallsInDirection_~i___0~0#1;existInLiftCallsInDirection_~d#1 := existInLiftCallsInDirection_#in~d#1;havoc existInLiftCallsInDirection_~retValue_acc~24#1;havoc existInLiftCallsInDirection_~i~1#1;havoc existInLiftCallsInDirection_~i___0~0#1; 462#L2593true assume 1 == existInLiftCallsInDirection_~d#1;existInLiftCallsInDirection_~i~1#1 := 0;existInLiftCallsInDirection_~i~1#1 := 1 + ~currentFloorID~0; 6967#L2597-2true [2024-10-31 22:06:29,447 INFO L747 eck$LassoCheckResult]: Loop: 6967#L2597-2true assume !false; 3538#L2598true assume existInLiftCallsInDirection_~i~1#1 < 5; 1091#L2599true assume !(0 == existInLiftCallsInDirection_~i~1#1); 8494#$Ultimate##3606true assume !(1 == existInLiftCallsInDirection_~i~1#1); 8952#$Ultimate##3610true assume !(2 == existInLiftCallsInDirection_~i~1#1); 4564#$Ultimate##3614true assume !(3 == existInLiftCallsInDirection_~i~1#1); 9121#$Ultimate##3618true assume !(4 == existInLiftCallsInDirection_~i~1#1); 4701#L2640-1true existInLiftCallsInDirection_~i~1#1 := 1 + existInLiftCallsInDirection_~i~1#1; 6967#L2597-2true [2024-10-31 22:06:29,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:06:29,454 INFO L85 PathProgramCache]: Analyzing trace with hash 958873418, now seen corresponding path program 1 times [2024-10-31 22:06:29,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:06:29,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614053464] [2024-10-31 22:06:29,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:06:29,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:06:29,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:30,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:06:30,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:06:30,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614053464] [2024-10-31 22:06:30,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614053464] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:06:30,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:06:30,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:06:30,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061993523] [2024-10-31 22:06:30,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:06:30,282 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-31 22:06:30,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:06:30,284 INFO L85 PathProgramCache]: Analyzing trace with hash 1684916733, now seen corresponding path program 1 times [2024-10-31 22:06:30,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:06:30,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106277837] [2024-10-31 22:06:30,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:06:30,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:06:30,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:06:30,311 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:06:30,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:06:30,367 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:06:30,466 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:06:30,467 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:06:30,467 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:06:30,467 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:06:30,468 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-31 22:06:30,468 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:06:30,468 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:06:30,468 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:06:30,468 INFO L132 ssoRankerPreferences]: Filename of dumped script: elevator_spec13_product21.cil.c_Iteration1_Loop [2024-10-31 22:06:30,468 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:06:30,469 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:06:30,495 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:06:30,615 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:06:30,618 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-31 22:06:30,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:06:30,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58c713e5-fbbd-445a-99a1-bae2ebd94e50/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:06:30,629 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58c713e5-fbbd-445a-99a1-bae2ebd94e50/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:06:30,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58c713e5-fbbd-445a-99a1-bae2ebd94e50/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-10-31 22:06:30,646 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:06:30,646 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:06:30,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58c713e5-fbbd-445a-99a1-bae2ebd94e50/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-10-31 22:06:30,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:06:30,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58c713e5-fbbd-445a-99a1-bae2ebd94e50/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:06:30,698 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58c713e5-fbbd-445a-99a1-bae2ebd94e50/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:06:30,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58c713e5-fbbd-445a-99a1-bae2ebd94e50/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-10-31 22:06:30,710 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-31 22:06:30,711 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:06:30,780 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-31 22:06:30,784 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58c713e5-fbbd-445a-99a1-bae2ebd94e50/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-10-31 22:06:30,785 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:06:30,785 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:06:30,785 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:06:30,785 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:06:30,785 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 22:06:30,785 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:06:30,785 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:06:30,786 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:06:30,786 INFO L132 ssoRankerPreferences]: Filename of dumped script: elevator_spec13_product21.cil.c_Iteration1_Loop [2024-10-31 22:06:30,786 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:06:30,786 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:06:30,787 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:06:30,884 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:06:30,890 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 22:06:30,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:06:30,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58c713e5-fbbd-445a-99a1-bae2ebd94e50/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:06:30,895 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58c713e5-fbbd-445a-99a1-bae2ebd94e50/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:06:30,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58c713e5-fbbd-445a-99a1-bae2ebd94e50/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-10-31 22:06:30,898 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:06:30,936 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:06:30,937 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:06:30,937 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:06:30,938 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:06:30,938 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:06:30,947 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:06:30,948 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:06:30,957 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 22:06:30,969 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2024-10-31 22:06:30,970 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-10-31 22:06:30,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:06:30,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58c713e5-fbbd-445a-99a1-bae2ebd94e50/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:06:30,989 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58c713e5-fbbd-445a-99a1-bae2ebd94e50/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:06:31,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58c713e5-fbbd-445a-99a1-bae2ebd94e50/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-10-31 22:06:31,003 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 22:06:31,003 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-31 22:06:31,004 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 22:06:31,004 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_existInLiftCallsInDirection_~i~1#1) = -1*ULTIMATE.start_existInLiftCallsInDirection_~i~1#1 Supporting invariants [] [2024-10-31 22:06:31,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58c713e5-fbbd-445a-99a1-bae2ebd94e50/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-10-31 22:06:31,043 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-31 22:06:31,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:06:31,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:31,270 INFO L255 TraceCheckSpWp]: Trace formula consists of 626 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 22:06:31,276 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:06:31,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:31,425 WARN L253 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-31 22:06:31,426 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:06:31,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:06:31,704 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 7 loop predicates [2024-10-31 22:06:31,733 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 9192 states, 9191 states have (on average 1.8817321292568818) internal successors, (17295), 9191 states have internal predecessors, (17295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 9 states, 9 states have (on average 6.555555555555555) internal successors, (59), 9 states have internal predecessors, (59), 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) [2024-10-31 22:06:33,133 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58c713e5-fbbd-445a-99a1-bae2ebd94e50/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2024-10-31 22:06:33,436 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 9192 states, 9191 states have (on average 1.8817321292568818) internal successors, (17295), 9191 states have internal predecessors, (17295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 9 states, 9 states have (on average 6.555555555555555) internal successors, (59), 9 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 24022 states and 45140 transitions. Complement of second has 18 states. [2024-10-31 22:06:33,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 1 stem states 7 non-accepting loop states 1 accepting loop states [2024-10-31 22:06:33,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 6.555555555555555) internal successors, (59), 9 states have internal predecessors, (59), 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) [2024-10-31 22:06:33,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 31237 transitions. [2024-10-31 22:06:33,492 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 31237 transitions. Stem has 51 letters. Loop has 8 letters. [2024-10-31 22:06:33,494 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:06:33,494 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 31237 transitions. Stem has 59 letters. Loop has 8 letters. [2024-10-31 22:06:33,494 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:06:33,495 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 31237 transitions. Stem has 51 letters. Loop has 16 letters. [2024-10-31 22:06:33,495 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:06:33,496 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24022 states and 45140 transitions. [2024-10-31 22:06:33,734 INFO L131 ngComponentsAnalysis]: Automaton has 60 accepting balls. 4566 [2024-10-31 22:06:33,845 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24022 states to 16531 states and 30981 transitions. [2024-10-31 22:06:33,847 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16501 [2024-10-31 22:06:33,871 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16502 [2024-10-31 22:06:33,872 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16531 states and 30981 transitions. [2024-10-31 22:06:33,879 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 22:06:33,879 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16531 states and 30981 transitions. [2024-10-31 22:06:33,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16531 states and 30981 transitions. [2024-10-31 22:06:34,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16531 to 16505. [2024-10-31 22:06:34,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16505 states, 16505 states have (on average 1.8747046349591032) internal successors, (30942), 16504 states have internal predecessors, (30942), 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)