./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/elevator_spec14_product32.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5a2b3f-0734-4c4c-8f20-918c02798a37/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5a2b3f-0734-4c4c-8f20-918c02798a37/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5a2b3f-0734-4c4c-8f20-918c02798a37/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5a2b3f-0734-4c4c-8f20-918c02798a37/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/elevator_spec14_product32.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5a2b3f-0734-4c4c-8f20-918c02798a37/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5a2b3f-0734-4c4c-8f20-918c02798a37/bin/uautomizer-verify-uCwYo4JHxu --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 5ead0301c8481fccc00f115bae086423ed9e315d4392b2a0732a4d381346437b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:39:35,691 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:39:35,791 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5a2b3f-0734-4c4c-8f20-918c02798a37/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-19 07:39:35,799 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:39:35,800 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:39:35,847 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:39:35,848 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:39:35,849 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:39:35,850 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:39:35,855 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:39:35,856 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:39:35,857 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-19 07:39:35,857 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-19 07:39:35,859 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-19 07:39:35,860 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-19 07:39:35,860 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-19 07:39:35,861 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-19 07:39:35,861 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:39:35,862 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-19 07:39:35,862 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:39:35,863 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:39:35,863 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:39:35,864 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:39:35,864 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-19 07:39:35,865 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-19 07:39:35,865 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-19 07:39:35,865 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:39:35,866 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:39:35,866 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:39:35,867 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-19 07:39:35,868 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:39:35,868 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:39:35,868 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:39:35,869 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:39:35,869 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:39:35,870 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-19 07:39:35,870 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_cd5a2b3f-0734-4c4c-8f20-918c02798a37/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5a2b3f-0734-4c4c-8f20-918c02798a37/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ead0301c8481fccc00f115bae086423ed9e315d4392b2a0732a4d381346437b [2023-11-19 07:39:36,201 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:39:36,237 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:39:36,240 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:39:36,241 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:39:36,242 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:39:36,244 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5a2b3f-0734-4c4c-8f20-918c02798a37/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/product-lines/elevator_spec14_product32.cil.c [2023-11-19 07:39:39,440 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:39:39,961 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:39:39,961 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5a2b3f-0734-4c4c-8f20-918c02798a37/sv-benchmarks/c/product-lines/elevator_spec14_product32.cil.c [2023-11-19 07:39:39,993 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5a2b3f-0734-4c4c-8f20-918c02798a37/bin/uautomizer-verify-uCwYo4JHxu/data/cbe7fa378/fde82f2aa4bc48efbbc443867acb567b/FLAGb60b14329 [2023-11-19 07:39:40,012 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5a2b3f-0734-4c4c-8f20-918c02798a37/bin/uautomizer-verify-uCwYo4JHxu/data/cbe7fa378/fde82f2aa4bc48efbbc443867acb567b [2023-11-19 07:39:40,019 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:39:40,021 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:39:40,025 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:39:40,026 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:39:40,031 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:39:40,032 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:39:40" (1/1) ... [2023-11-19 07:39:40,033 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@166c8ed9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:40, skipping insertion in model container [2023-11-19 07:39:40,034 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:39:40" (1/1) ... [2023-11-19 07:39:40,143 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:39:40,762 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:39:40,779 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:39:40,791 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Person.i","") [48] [2023-11-19 07:39:40,792 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [169] [2023-11-19 07:39:40,793 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [187] [2023-11-19 07:39:40,793 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [545] [2023-11-19 07:39:40,794 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [911] [2023-11-19 07:39:40,794 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"UnitTests.i","") [946] [2023-11-19 07:39:40,795 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Floor.i","") [1042] [2023-11-19 07:39:40,795 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Elevator.i","") [1709] [2023-11-19 07:39:40,795 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [3370] [2023-11-19 07:39:40,796 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification14_spec.i","") [3379] [2023-11-19 07:39:40,978 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:39:41,016 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:39:41,017 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:41 WrapperNode [2023-11-19 07:39:41,017 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:39:41,019 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:39:41,019 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:39:41,019 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:39:41,027 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:41" (1/1) ... [2023-11-19 07:39:41,083 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:41" (1/1) ... [2023-11-19 07:39:41,872 INFO L138 Inliner]: procedures = 96, calls = 349, calls flagged for inlining = 201, calls inlined = 2036, statements flattened = 67608 [2023-11-19 07:39:41,873 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:39:41,874 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:39:41,874 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:39:41,874 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:39:41,884 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:41" (1/1) ... [2023-11-19 07:39:41,884 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:41" (1/1) ... [2023-11-19 07:39:41,992 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:41" (1/1) ... [2023-11-19 07:39:41,993 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:41" (1/1) ... [2023-11-19 07:39:42,739 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:41" (1/1) ... [2023-11-19 07:39:43,351 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:41" (1/1) ... [2023-11-19 07:39:43,630 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:41" (1/1) ... [2023-11-19 07:39:43,698 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:41" (1/1) ... [2023-11-19 07:39:43,849 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:39:43,851 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:39:43,851 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:39:43,851 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:39:43,852 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:41" (1/1) ... [2023-11-19 07:39:43,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:39:43,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5a2b3f-0734-4c4c-8f20-918c02798a37/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:39:43,884 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5a2b3f-0734-4c4c-8f20-918c02798a37/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:39:43,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd5a2b3f-0734-4c4c-8f20-918c02798a37/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-19 07:39:43,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:39:43,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:39:43,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:39:43,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:39:44,165 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:39:44,168 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:40:10,144 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:40:10,264 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:40:10,265 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:40:10,324 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:40:10 BoogieIcfgContainer [2023-11-19 07:40:10,324 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:40:10,326 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-19 07:40:10,326 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-19 07:40:10,330 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-19 07:40:10,331 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:40:10,332 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 07:39:40" (1/3) ... [2023-11-19 07:40:10,333 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@510b425d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:40:10, skipping insertion in model container [2023-11-19 07:40:10,333 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:40:10,333 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:41" (2/3) ... [2023-11-19 07:40:10,334 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@510b425d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:40:10, skipping insertion in model container [2023-11-19 07:40:10,334 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:40:10,334 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:40:10" (3/3) ... [2023-11-19 07:40:10,336 INFO L332 chiAutomizerObserver]: Analyzing ICFG elevator_spec14_product32.cil.c [2023-11-19 07:40:10,687 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-19 07:40:10,687 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-19 07:40:10,688 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-19 07:40:10,688 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-19 07:40:10,688 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-19 07:40:10,688 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-19 07:40:10,688 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-19 07:40:10,689 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-19 07:40:10,755 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17746 states, 17745 states have (on average 1.87309101155255) internal successors, (33238), 17745 states have internal predecessors, (33238), 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) [2023-11-19 07:40:11,113 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3565 [2023-11-19 07:40:11,114 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:40:11,114 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:40:11,138 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:40:11,138 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] [2023-11-19 07:40:11,139 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-19 07:40:11,182 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17746 states, 17745 states have (on average 1.87309101155255) internal successors, (33238), 17745 states have internal predecessors, (33238), 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) [2023-11-19 07:40:11,417 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3565 [2023-11-19 07:40:11,417 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:40:11,417 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:40:11,435 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:40:11,436 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] [2023-11-19 07:40:11,456 INFO L748 eck$LassoCheckResult]: Stem: 4505#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(32, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(10, 16);call #Ultimate.allocInit(4, 17);call write~init~int(91, 17, 0, 1);call write~init~int(95, 17, 1, 1);call write~init~int(93, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(4, 18);call write~init~int(91, 18, 0, 1);call write~init~int(93, 18, 1, 1);call write~init~int(32, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(5, 19);call write~init~int(32, 19, 0, 1);call write~init~int(97, 19, 1, 1);call write~init~int(116, 19, 2, 1);call write~init~int(32, 19, 3, 1);call write~init~int(0, 19, 4, 1);call #Ultimate.allocInit(3, 20);call write~init~int(37, 20, 0, 1);call write~init~int(105, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(10, 21);call #Ultimate.allocInit(3, 22);call write~init~int(117, 22, 0, 1);call write~init~int(112, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(5, 23);call write~init~int(100, 23, 0, 1);call write~init~int(111, 23, 1, 1);call write~init~int(119, 23, 2, 1);call write~init~int(110, 23, 3, 1);call write~init~int(0, 23, 4, 1);call #Ultimate.allocInit(7, 24);call write~init~int(32, 24, 0, 1);call write~init~int(73, 24, 1, 1);call write~init~int(76, 24, 2, 1);call write~init~int(95, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(4, 25);call write~init~int(32, 25, 0, 1);call write~init~int(37, 25, 1, 1);call write~init~int(105, 25, 2, 1);call write~init~int(0, 25, 3, 1);call #Ultimate.allocInit(4, 26);call write~init~int(32, 26, 0, 1);call write~init~int(37, 26, 1, 1);call write~init~int(105, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(4, 27);call write~init~int(32, 27, 0, 1);call write~init~int(37, 27, 1, 1);call write~init~int(105, 27, 2, 1);call write~init~int(0, 27, 3, 1);call #Ultimate.allocInit(4, 28);call write~init~int(32, 28, 0, 1);call write~init~int(37, 28, 1, 1);call write~init~int(105, 28, 2, 1);call write~init~int(0, 28, 3, 1);call #Ultimate.allocInit(4, 29);call write~init~int(32, 29, 0, 1);call write~init~int(37, 29, 1, 1);call write~init~int(105, 29, 2, 1);call write~init~int(0, 29, 3, 1);call #Ultimate.allocInit(6, 30);call write~init~int(32, 30, 0, 1);call write~init~int(70, 30, 1, 1);call write~init~int(95, 30, 2, 1);call write~init~int(112, 30, 3, 1);call write~init~int(58, 30, 4, 1);call write~init~int(0, 30, 5, 1);call #Ultimate.allocInit(4, 31);call write~init~int(32, 31, 0, 1);call write~init~int(37, 31, 1, 1);call write~init~int(105, 31, 2, 1);call write~init~int(0, 31, 3, 1);call #Ultimate.allocInit(4, 32);call write~init~int(32, 32, 0, 1);call write~init~int(37, 32, 1, 1);call write~init~int(105, 32, 2, 1);call write~init~int(0, 32, 3, 1);call #Ultimate.allocInit(4, 33);call write~init~int(32, 33, 0, 1);call write~init~int(37, 33, 1, 1);call write~init~int(105, 33, 2, 1);call write~init~int(0, 33, 3, 1);call #Ultimate.allocInit(4, 34);call write~init~int(32, 34, 0, 1);call write~init~int(37, 34, 1, 1);call write~init~int(105, 34, 2, 1);call write~init~int(0, 34, 3, 1);call #Ultimate.allocInit(4, 35);call write~init~int(32, 35, 0, 1);call write~init~int(37, 35, 1, 1);call write~init~int(105, 35, 2, 1);call write~init~int(0, 35, 3, 1);call #Ultimate.allocInit(2, 36);call write~init~int(10, 36, 0, 1);call write~init~int(0, 36, 1, 1);call #Ultimate.allocInit(9, 37);~cleanupTimeShifts~0 := 12;~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~blocked~0 := 0;~calls_0~0 := 0;~calls_1~0 := 0;~calls_2~0 := 0;~calls_3~0 := 0;~calls_4~0 := 0;~personOnFloor_0_0~0 := 0;~personOnFloor_0_1~0 := 0;~personOnFloor_0_2~0 := 0;~personOnFloor_0_3~0 := 0;~personOnFloor_0_4~0 := 0;~personOnFloor_1_0~0 := 0;~personOnFloor_1_1~0 := 0;~personOnFloor_1_2~0 := 0;~personOnFloor_1_3~0 := 0;~personOnFloor_1_4~0 := 0;~personOnFloor_2_0~0 := 0;~personOnFloor_2_1~0 := 0;~personOnFloor_2_2~0 := 0;~personOnFloor_2_3~0 := 0;~personOnFloor_2_4~0 := 0;~personOnFloor_3_0~0 := 0;~personOnFloor_3_1~0 := 0;~personOnFloor_3_2~0 := 0;~personOnFloor_3_3~0 := 0;~personOnFloor_3_4~0 := 0;~personOnFloor_4_0~0 := 0;~personOnFloor_4_1~0 := 0;~personOnFloor_4_2~0 := 0;~personOnFloor_4_3~0 := 0;~personOnFloor_4_4~0 := 0;~personOnFloor_5_0~0 := 0;~personOnFloor_5_1~0 := 0;~personOnFloor_5_2~0 := 0;~personOnFloor_5_3~0 := 0;~personOnFloor_5_4~0 := 0;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0; 4243#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret17#1, main_~retValue_acc~4#1, main_~tmp~8#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 16334#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 15999#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~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 9529#valid_product_returnLabel#1true main_#t~ret17#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret17#1;havoc main_#t~ret17#1; 8944#L532true assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 10324#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;assume { :begin_inline_bigMacCall } true;havoc bigMacCall_#t~ret10#1, bigMacCall_~tmp~5#1;havoc bigMacCall_~tmp~5#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 5;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~1#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~1#1; 2398#L95true assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~1#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~1#1; 2345#getOrigin_returnLabel#1true bigMacCall_#t~ret10#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~1#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;bigMacCall_~tmp~5#1 := bigMacCall_#t~ret10#1;havoc bigMacCall_#t~ret10#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 5, bigMacCall_~tmp~5#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 5657#L1402true assume 0 == initPersonOnFloor_~floor#1; 918#L1403true assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 8722#L1510-1true assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 12587#L1194true assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 434#L1206-2true havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 9798#initPersonOnFloor_returnLabel#1true havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 13689#bigMacCall_returnLabel#1true havoc bigMacCall_#t~ret10#1, bigMacCall_~tmp~5#1;assume { :end_inline_bigMacCall } true;assume { :begin_inline_threeTS } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret108#1, timeShift_~tmp~28#1;havoc timeShift_~tmp~28#1;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~15#1;havoc areDoorsOpen_~retValue_acc~15#1;areDoorsOpen_~retValue_acc~15#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~15#1; 13976#areDoorsOpen_returnLabel#1true timeShift_#t~ret108#1 := areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~15#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~28#1 := timeShift_#t~ret108#1;havoc timeShift_#t~ret108#1; 17661#L2977true assume 0 != timeShift_~tmp~28#1; 314#L2978true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 9927#L2977-1true assume { :begin_inline___utac_acc__Specification14_spec__1 } true;havoc __utac_acc__Specification14_spec__1_#t~ret138#1, __utac_acc__Specification14_spec__1_#t~ret139#1, __utac_acc__Specification14_spec__1_#t~ret140#1, __utac_acc__Specification14_spec__1_#t~ret141#1, __utac_acc__Specification14_spec__1_~tmp~31#1, __utac_acc__Specification14_spec__1_~tmp___0~13#1, __utac_acc__Specification14_spec__1_~tmp___1~8#1, __utac_acc__Specification14_spec__1_~tmp___2~6#1;havoc __utac_acc__Specification14_spec__1_~tmp~31#1;havoc __utac_acc__Specification14_spec__1_~tmp___0~13#1;havoc __utac_acc__Specification14_spec__1_~tmp___1~8#1;havoc __utac_acc__Specification14_spec__1_~tmp___2~6#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret137#1, isExecutiveFloorCalling_~retValue_acc~30#1;havoc isExecutiveFloorCalling_~retValue_acc~30#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~10#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~10#1; 15870#L1131-130true assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~10#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~10#1; 3338#isFloorCalling_returnLabel#131true isExecutiveFloorCalling_#t~ret137#1 := isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~10#1;havoc isFloorCalling_#in~floorID#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~30#1 := isExecutiveFloorCalling_#t~ret137#1;havoc isExecutiveFloorCalling_#t~ret137#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~30#1; 1185#isExecutiveFloorCalling_returnLabel#7true __utac_acc__Specification14_spec__1_#t~ret138#1 := isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret137#1, isExecutiveFloorCalling_~retValue_acc~30#1;assume { :end_inline_isExecutiveFloorCalling } true;__utac_acc__Specification14_spec__1_~tmp___2~6#1 := __utac_acc__Specification14_spec__1_#t~ret138#1;havoc __utac_acc__Specification14_spec__1_#t~ret138#1; 8958#L3390true assume !(0 != __utac_acc__Specification14_spec__1_~tmp___2~6#1); 956#L3390-1true havoc __utac_acc__Specification14_spec__1_#t~ret138#1, __utac_acc__Specification14_spec__1_#t~ret139#1, __utac_acc__Specification14_spec__1_#t~ret140#1, __utac_acc__Specification14_spec__1_#t~ret141#1, __utac_acc__Specification14_spec__1_~tmp~31#1, __utac_acc__Specification14_spec__1_~tmp___0~13#1, __utac_acc__Specification14_spec__1_~tmp___1~8#1, __utac_acc__Specification14_spec__1_~tmp___2~6#1;assume { :end_inline___utac_acc__Specification14_spec__1 } true; 8507#timeShift_returnLabel#1true havoc timeShift_#t~ret108#1, timeShift_~tmp~28#1;assume { :end_inline_timeShift } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret108#1, timeShift_~tmp~28#1;havoc timeShift_~tmp~28#1;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~15#1;havoc areDoorsOpen_~retValue_acc~15#1;areDoorsOpen_~retValue_acc~15#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~15#1; 7742#areDoorsOpen_returnLabel#3true timeShift_#t~ret108#1 := areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~15#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~28#1 := timeShift_#t~ret108#1;havoc timeShift_#t~ret108#1; 4775#L2977-2true assume 0 != timeShift_~tmp~28#1; 3235#L2978-3true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 6023#L2977-3true assume { :begin_inline___utac_acc__Specification14_spec__1 } true;havoc __utac_acc__Specification14_spec__1_#t~ret138#1, __utac_acc__Specification14_spec__1_#t~ret139#1, __utac_acc__Specification14_spec__1_#t~ret140#1, __utac_acc__Specification14_spec__1_#t~ret141#1, __utac_acc__Specification14_spec__1_~tmp~31#1, __utac_acc__Specification14_spec__1_~tmp___0~13#1, __utac_acc__Specification14_spec__1_~tmp___1~8#1, __utac_acc__Specification14_spec__1_~tmp___2~6#1;havoc __utac_acc__Specification14_spec__1_~tmp~31#1;havoc __utac_acc__Specification14_spec__1_~tmp___0~13#1;havoc __utac_acc__Specification14_spec__1_~tmp___1~8#1;havoc __utac_acc__Specification14_spec__1_~tmp___2~6#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret137#1, isExecutiveFloorCalling_~retValue_acc~30#1;havoc isExecutiveFloorCalling_~retValue_acc~30#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~10#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~10#1; 13879#L1131-261true assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~10#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~10#1; 13131#isFloorCalling_returnLabel#262true isExecutiveFloorCalling_#t~ret137#1 := isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~10#1;havoc isFloorCalling_#in~floorID#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~30#1 := isExecutiveFloorCalling_#t~ret137#1;havoc isExecutiveFloorCalling_#t~ret137#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~30#1; 1992#isExecutiveFloorCalling_returnLabel#14true __utac_acc__Specification14_spec__1_#t~ret138#1 := isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret137#1, isExecutiveFloorCalling_~retValue_acc~30#1;assume { :end_inline_isExecutiveFloorCalling } true;__utac_acc__Specification14_spec__1_~tmp___2~6#1 := __utac_acc__Specification14_spec__1_#t~ret138#1;havoc __utac_acc__Specification14_spec__1_#t~ret138#1; 1665#L3390-2true assume !(0 != __utac_acc__Specification14_spec__1_~tmp___2~6#1); 283#L3390-3true havoc __utac_acc__Specification14_spec__1_#t~ret138#1, __utac_acc__Specification14_spec__1_#t~ret139#1, __utac_acc__Specification14_spec__1_#t~ret140#1, __utac_acc__Specification14_spec__1_#t~ret141#1, __utac_acc__Specification14_spec__1_~tmp~31#1, __utac_acc__Specification14_spec__1_~tmp___0~13#1, __utac_acc__Specification14_spec__1_~tmp___1~8#1, __utac_acc__Specification14_spec__1_~tmp___2~6#1;assume { :end_inline___utac_acc__Specification14_spec__1 } true; 10738#timeShift_returnLabel#2true havoc timeShift_#t~ret108#1, timeShift_~tmp~28#1;assume { :end_inline_timeShift } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret108#1, timeShift_~tmp~28#1;havoc timeShift_~tmp~28#1;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~15#1;havoc areDoorsOpen_~retValue_acc~15#1;areDoorsOpen_~retValue_acc~15#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~15#1; 12726#areDoorsOpen_returnLabel#5true timeShift_#t~ret108#1 := areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~15#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~28#1 := timeShift_#t~ret108#1;havoc timeShift_#t~ret108#1; 5282#L2977-4true assume 0 != timeShift_~tmp~28#1; 13303#L2978-6true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 9049#L2977-5true assume { :begin_inline___utac_acc__Specification14_spec__1 } true;havoc __utac_acc__Specification14_spec__1_#t~ret138#1, __utac_acc__Specification14_spec__1_#t~ret139#1, __utac_acc__Specification14_spec__1_#t~ret140#1, __utac_acc__Specification14_spec__1_#t~ret141#1, __utac_acc__Specification14_spec__1_~tmp~31#1, __utac_acc__Specification14_spec__1_~tmp___0~13#1, __utac_acc__Specification14_spec__1_~tmp___1~8#1, __utac_acc__Specification14_spec__1_~tmp___2~6#1;havoc __utac_acc__Specification14_spec__1_~tmp~31#1;havoc __utac_acc__Specification14_spec__1_~tmp___0~13#1;havoc __utac_acc__Specification14_spec__1_~tmp___1~8#1;havoc __utac_acc__Specification14_spec__1_~tmp___2~6#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret137#1, isExecutiveFloorCalling_~retValue_acc~30#1;havoc isExecutiveFloorCalling_~retValue_acc~30#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~10#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~10#1; 12459#L1131-392true assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~10#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~10#1; 222#isFloorCalling_returnLabel#393true isExecutiveFloorCalling_#t~ret137#1 := isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~10#1;havoc isFloorCalling_#in~floorID#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~30#1 := isExecutiveFloorCalling_#t~ret137#1;havoc isExecutiveFloorCalling_#t~ret137#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~30#1; 6486#isExecutiveFloorCalling_returnLabel#21true __utac_acc__Specification14_spec__1_#t~ret138#1 := isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret137#1, isExecutiveFloorCalling_~retValue_acc~30#1;assume { :end_inline_isExecutiveFloorCalling } true;__utac_acc__Specification14_spec__1_~tmp___2~6#1 := __utac_acc__Specification14_spec__1_#t~ret138#1;havoc __utac_acc__Specification14_spec__1_#t~ret138#1; 11177#L3390-4true assume !(0 != __utac_acc__Specification14_spec__1_~tmp___2~6#1); 10043#L3390-5true havoc __utac_acc__Specification14_spec__1_#t~ret138#1, __utac_acc__Specification14_spec__1_#t~ret139#1, __utac_acc__Specification14_spec__1_#t~ret140#1, __utac_acc__Specification14_spec__1_#t~ret141#1, __utac_acc__Specification14_spec__1_~tmp~31#1, __utac_acc__Specification14_spec__1_~tmp___0~13#1, __utac_acc__Specification14_spec__1_~tmp___1~8#1, __utac_acc__Specification14_spec__1_~tmp___2~6#1;assume { :end_inline___utac_acc__Specification14_spec__1 } true; 4611#timeShift_returnLabel#3true havoc timeShift_#t~ret108#1, timeShift_~tmp~28#1;assume { :end_inline_timeShift } true; 4400#threeTS_returnLabel#1true assume { :end_inline_threeTS } true;assume { :begin_inline_bobCall } true;havoc bobCall_#t~ret5#1, bobCall_~tmp~0#1;havoc bobCall_~tmp~0#1;assume { :begin_inline_getOrigin } true;getOrigin_#in~person#1 := 0;havoc getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~1#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~1#1; 111#L95-1true assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~1#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~1#1; 9264#getOrigin_returnLabel#2true bobCall_#t~ret5#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~1#1;havoc getOrigin_#in~person#1;assume { :end_inline_getOrigin } true;bobCall_~tmp~0#1 := bobCall_#t~ret5#1;havoc bobCall_#t~ret5#1;assume { :begin_inline_initPersonOnFloor } true;initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1 := 0, bobCall_~tmp~0#1;havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;initPersonOnFloor_~person#1 := initPersonOnFloor_#in~person#1;initPersonOnFloor_~floor#1 := initPersonOnFloor_#in~floor#1; 3951#L1402-1true assume 0 == initPersonOnFloor_~floor#1; 13052#L1403-2true assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 4757#L1510-3true assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 14034#L1194-2true assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 6387#L1206-5true havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 3114#initPersonOnFloor_returnLabel#2true havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 2580#bobCall_returnLabel#1true havoc bobCall_#t~ret5#1, bobCall_~tmp~0#1;assume { :end_inline_bobCall } true;assume { :begin_inline_cleanup } true;havoc cleanup_#t~ret11#1, cleanup_#t~ret12#1, cleanup_~i~0#1, cleanup_~tmp~6#1, cleanup_~tmp___0~0#1, cleanup_~__cil_tmp4~0#1;havoc cleanup_~i~0#1;havoc cleanup_~tmp~6#1;havoc cleanup_~tmp___0~0#1;havoc cleanup_~__cil_tmp4~0#1;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret108#1, timeShift_~tmp~28#1;havoc timeShift_~tmp~28#1;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~15#1;havoc areDoorsOpen_~retValue_acc~15#1;areDoorsOpen_~retValue_acc~15#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~15#1; 9183#areDoorsOpen_returnLabel#7true timeShift_#t~ret108#1 := areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~15#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~28#1 := timeShift_#t~ret108#1;havoc timeShift_#t~ret108#1; 10138#L2977-6true assume 0 != timeShift_~tmp~28#1; 7503#L2978-9true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 17557#L2977-7true assume { :begin_inline___utac_acc__Specification14_spec__1 } true;havoc __utac_acc__Specification14_spec__1_#t~ret138#1, __utac_acc__Specification14_spec__1_#t~ret139#1, __utac_acc__Specification14_spec__1_#t~ret140#1, __utac_acc__Specification14_spec__1_#t~ret141#1, __utac_acc__Specification14_spec__1_~tmp~31#1, __utac_acc__Specification14_spec__1_~tmp___0~13#1, __utac_acc__Specification14_spec__1_~tmp___1~8#1, __utac_acc__Specification14_spec__1_~tmp___2~6#1;havoc __utac_acc__Specification14_spec__1_~tmp~31#1;havoc __utac_acc__Specification14_spec__1_~tmp___0~13#1;havoc __utac_acc__Specification14_spec__1_~tmp___1~8#1;havoc __utac_acc__Specification14_spec__1_~tmp___2~6#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret137#1, isExecutiveFloorCalling_~retValue_acc~30#1;havoc isExecutiveFloorCalling_~retValue_acc~30#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~10#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~10#1; 17193#L1131-523true assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~10#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~10#1; 2340#isFloorCalling_returnLabel#524true isExecutiveFloorCalling_#t~ret137#1 := isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~10#1;havoc isFloorCalling_#in~floorID#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~30#1 := isExecutiveFloorCalling_#t~ret137#1;havoc isExecutiveFloorCalling_#t~ret137#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~30#1; 16904#isExecutiveFloorCalling_returnLabel#28true __utac_acc__Specification14_spec__1_#t~ret138#1 := isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret137#1, isExecutiveFloorCalling_~retValue_acc~30#1;assume { :end_inline_isExecutiveFloorCalling } true;__utac_acc__Specification14_spec__1_~tmp___2~6#1 := __utac_acc__Specification14_spec__1_#t~ret138#1;havoc __utac_acc__Specification14_spec__1_#t~ret138#1; 7304#L3390-6true assume !(0 != __utac_acc__Specification14_spec__1_~tmp___2~6#1); 1814#L3390-7true havoc __utac_acc__Specification14_spec__1_#t~ret138#1, __utac_acc__Specification14_spec__1_#t~ret139#1, __utac_acc__Specification14_spec__1_#t~ret140#1, __utac_acc__Specification14_spec__1_#t~ret141#1, __utac_acc__Specification14_spec__1_~tmp~31#1, __utac_acc__Specification14_spec__1_~tmp___0~13#1, __utac_acc__Specification14_spec__1_~tmp___1~8#1, __utac_acc__Specification14_spec__1_~tmp___2~6#1;assume { :end_inline___utac_acc__Specification14_spec__1 } true; 8469#timeShift_returnLabel#4true havoc timeShift_#t~ret108#1, timeShift_~tmp~28#1;assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 0; 13242#L336-2true [2023-11-19 07:40:11,465 INFO L750 eck$LassoCheckResult]: Loop: 13242#L336-2true assume !false; 9100#L337true cleanup_~__cil_tmp4~0#1 := ~cleanupTimeShifts~0 - 1; 8004#L340true assume cleanup_~i~0#1 < cleanup_~__cil_tmp4~0#1;assume { :begin_inline_isBlocked } true;havoc isBlocked_#res#1;havoc isBlocked_~retValue_acc~13#1;havoc isBlocked_~retValue_acc~13#1;isBlocked_~retValue_acc~13#1 := ~blocked~0;isBlocked_#res#1 := isBlocked_~retValue_acc~13#1; 7490#isBlocked_returnLabel#1true cleanup_#t~ret11#1 := isBlocked_#res#1;havoc isBlocked_~retValue_acc~13#1;assume { :end_inline_isBlocked } true;cleanup_~tmp___0~0#1 := cleanup_#t~ret11#1;havoc cleanup_#t~ret11#1; 12240#L344true assume 1 != cleanup_~tmp___0~0#1; 15016#L344-1true assume { :begin_inline_isIdle } true;havoc isIdle_#res#1;havoc isIdle_#t~ret56#1, isIdle_~retValue_acc~20#1, isIdle_~tmp~18#1;havoc isIdle_~retValue_acc~20#1;havoc isIdle_~tmp~18#1;assume { :begin_inline_anyStopRequested } true;havoc anyStopRequested_#res#1;havoc anyStopRequested_#t~ret51#1, anyStopRequested_#t~ret52#1, anyStopRequested_#t~ret53#1, anyStopRequested_#t~ret54#1, anyStopRequested_#t~ret55#1, anyStopRequested_~retValue_acc~19#1, anyStopRequested_~tmp~17#1, anyStopRequested_~tmp___0~4#1, anyStopRequested_~tmp___1~3#1, anyStopRequested_~tmp___2~1#1, anyStopRequested_~tmp___3~0#1;havoc anyStopRequested_~retValue_acc~19#1;havoc anyStopRequested_~tmp~17#1;havoc anyStopRequested_~tmp___0~4#1;havoc anyStopRequested_~tmp___1~3#1;havoc anyStopRequested_~tmp___2~1#1;havoc anyStopRequested_~tmp___3~0#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := 0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~10#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~10#1; 6170#L1131-524true assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~10#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~10#1; 1739#isFloorCalling_returnLabel#525true anyStopRequested_#t~ret51#1 := isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~10#1;havoc isFloorCalling_#in~floorID#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___3~0#1 := anyStopRequested_#t~ret51#1;havoc anyStopRequested_#t~ret51#1; 12362#L2065true assume 0 != anyStopRequested_~tmp___3~0#1;anyStopRequested_~retValue_acc~19#1 := 1;anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~19#1; 4474#anyStopRequested_returnLabel#1true isIdle_#t~ret56#1 := anyStopRequested_#res#1;havoc anyStopRequested_#t~ret51#1, anyStopRequested_#t~ret52#1, anyStopRequested_#t~ret53#1, anyStopRequested_#t~ret54#1, anyStopRequested_#t~ret55#1, anyStopRequested_~retValue_acc~19#1, anyStopRequested_~tmp~17#1, anyStopRequested_~tmp___0~4#1, anyStopRequested_~tmp___1~3#1, anyStopRequested_~tmp___2~1#1, anyStopRequested_~tmp___3~0#1;assume { :end_inline_anyStopRequested } true;isIdle_~tmp~18#1 := isIdle_#t~ret56#1;havoc isIdle_#t~ret56#1;isIdle_~retValue_acc~20#1 := (if 0 == isIdle_~tmp~18#1 then 1 else 0);isIdle_#res#1 := isIdle_~retValue_acc~20#1; 998#isIdle_returnLabel#1true cleanup_#t~ret12#1 := isIdle_#res#1;havoc isIdle_#t~ret56#1, isIdle_~retValue_acc~20#1, isIdle_~tmp~18#1;assume { :end_inline_isIdle } true;cleanup_~tmp~6#1 := cleanup_#t~ret12#1;havoc cleanup_#t~ret12#1; 7416#L356true assume !(0 != cleanup_~tmp~6#1);assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret108#1, timeShift_~tmp~28#1;havoc timeShift_~tmp~28#1;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~15#1;havoc areDoorsOpen_~retValue_acc~15#1;areDoorsOpen_~retValue_acc~15#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~15#1; 3116#areDoorsOpen_returnLabel#9true timeShift_#t~ret108#1 := areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~15#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~28#1 := timeShift_#t~ret108#1;havoc timeShift_#t~ret108#1; 16233#L2977-8true assume 0 != timeShift_~tmp~28#1; 12260#L2978-12true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 3734#L2977-9true assume { :begin_inline___utac_acc__Specification14_spec__1 } true;havoc __utac_acc__Specification14_spec__1_#t~ret138#1, __utac_acc__Specification14_spec__1_#t~ret139#1, __utac_acc__Specification14_spec__1_#t~ret140#1, __utac_acc__Specification14_spec__1_#t~ret141#1, __utac_acc__Specification14_spec__1_~tmp~31#1, __utac_acc__Specification14_spec__1_~tmp___0~13#1, __utac_acc__Specification14_spec__1_~tmp___1~8#1, __utac_acc__Specification14_spec__1_~tmp___2~6#1;havoc __utac_acc__Specification14_spec__1_~tmp~31#1;havoc __utac_acc__Specification14_spec__1_~tmp___0~13#1;havoc __utac_acc__Specification14_spec__1_~tmp___1~8#1;havoc __utac_acc__Specification14_spec__1_~tmp___2~6#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret137#1, isExecutiveFloorCalling_~retValue_acc~30#1;havoc isExecutiveFloorCalling_~retValue_acc~30#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~10#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~10#1; 14635#L1131-659true assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~10#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~10#1; 352#isFloorCalling_returnLabel#660true isExecutiveFloorCalling_#t~ret137#1 := isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~10#1;havoc isFloorCalling_#in~floorID#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~30#1 := isExecutiveFloorCalling_#t~ret137#1;havoc isExecutiveFloorCalling_#t~ret137#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~30#1; 10475#isExecutiveFloorCalling_returnLabel#35true __utac_acc__Specification14_spec__1_#t~ret138#1 := isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret137#1, isExecutiveFloorCalling_~retValue_acc~30#1;assume { :end_inline_isExecutiveFloorCalling } true;__utac_acc__Specification14_spec__1_~tmp___2~6#1 := __utac_acc__Specification14_spec__1_#t~ret138#1;havoc __utac_acc__Specification14_spec__1_#t~ret138#1; 11259#L3390-8true assume !(0 != __utac_acc__Specification14_spec__1_~tmp___2~6#1); 5703#L3390-9true havoc __utac_acc__Specification14_spec__1_#t~ret138#1, __utac_acc__Specification14_spec__1_#t~ret139#1, __utac_acc__Specification14_spec__1_#t~ret140#1, __utac_acc__Specification14_spec__1_#t~ret141#1, __utac_acc__Specification14_spec__1_~tmp~31#1, __utac_acc__Specification14_spec__1_~tmp___0~13#1, __utac_acc__Specification14_spec__1_~tmp___1~8#1, __utac_acc__Specification14_spec__1_~tmp___2~6#1;assume { :end_inline___utac_acc__Specification14_spec__1 } true; 7090#timeShift_returnLabel#5true havoc timeShift_#t~ret108#1, timeShift_~tmp~28#1;assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 1 + cleanup_~i~0#1; 13242#L336-2true [2023-11-19 07:40:11,473 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:40:11,473 INFO L85 PathProgramCache]: Analyzing trace with hash 1868567738, now seen corresponding path program 1 times [2023-11-19 07:40:11,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:40:11,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531739199] [2023-11-19 07:40:11,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:40:11,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:40:11,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:12,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:40:12,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:40:12,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531739199] [2023-11-19 07:40:12,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531739199] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:40:12,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:40:12,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:40:12,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739273749] [2023-11-19 07:40:12,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:40:12,010 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-19 07:40:12,011 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:40:12,011 INFO L85 PathProgramCache]: Analyzing trace with hash 493118770, now seen corresponding path program 1 times [2023-11-19 07:40:12,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:40:12,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156437881] [2023-11-19 07:40:12,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:40:12,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:40:12,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:12,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:40:12,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:40:12,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156437881] [2023-11-19 07:40:12,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156437881] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:40:12,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:40:12,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-19 07:40:12,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139121953] [2023-11-19 07:40:12,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:40:12,194 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-19 07:40:12,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:40:12,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-19 07:40:12,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-19 07:40:12,278 INFO L87 Difference]: Start difference. First operand has 17746 states, 17745 states have (on average 1.87309101155255) internal successors, (33238), 17745 states have internal predecessors, (33238), 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 8 states, 8 states have (on average 2.75) internal successors, (22), 8 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)