./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/elevator_spec14_product24.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9bd2c7ff 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_93d8c8ad-868e-4ca5-b765-5879da48bf28/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d8c8ad-868e-4ca5-b765-5879da48bf28/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_93d8c8ad-868e-4ca5-b765-5879da48bf28/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d8c8ad-868e-4ca5-b765-5879da48bf28/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/elevator_spec14_product24.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d8c8ad-868e-4ca5-b765-5879da48bf28/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_93d8c8ad-868e-4ca5-b765-5879da48bf28/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 d9a9e332bba43f0e6d965514fc764881b170e0a0500d860d4fcce12986d98914 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:35:18,897 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:35:19,024 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d8c8ad-868e-4ca5-b765-5879da48bf28/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-19 07:35:19,029 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:35:19,030 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:35:19,055 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:35:19,056 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:35:19,057 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:35:19,058 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:35:19,058 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:35:19,059 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:35:19,060 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-19 07:35:19,060 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-19 07:35:19,061 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-19 07:35:19,062 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-19 07:35:19,062 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-19 07:35:19,063 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-19 07:35:19,063 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:35:19,064 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-19 07:35:19,065 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:35:19,065 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:35:19,066 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:35:19,067 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:35:19,067 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-19 07:35:19,068 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-19 07:35:19,068 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-19 07:35:19,069 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:35:19,069 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:35:19,070 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:35:19,070 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-19 07:35:19,071 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:35:19,071 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:35:19,072 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:35:19,072 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:35:19,072 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:35:19,073 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-19 07:35:19,073 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_93d8c8ad-868e-4ca5-b765-5879da48bf28/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d8c8ad-868e-4ca5-b765-5879da48bf28/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d9a9e332bba43f0e6d965514fc764881b170e0a0500d860d4fcce12986d98914 [2023-11-19 07:35:19,349 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:35:19,373 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:35:19,376 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:35:19,377 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:35:19,378 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:35:19,380 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d8c8ad-868e-4ca5-b765-5879da48bf28/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/product-lines/elevator_spec14_product24.cil.c [2023-11-19 07:35:22,685 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:35:23,062 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:35:23,063 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d8c8ad-868e-4ca5-b765-5879da48bf28/sv-benchmarks/c/product-lines/elevator_spec14_product24.cil.c [2023-11-19 07:35:23,094 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d8c8ad-868e-4ca5-b765-5879da48bf28/bin/uautomizer-verify-uCwYo4JHxu/data/d33757a0c/773d66dfd372437a8ed73deae1880187/FLAG68f7cccb0 [2023-11-19 07:35:23,106 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d8c8ad-868e-4ca5-b765-5879da48bf28/bin/uautomizer-verify-uCwYo4JHxu/data/d33757a0c/773d66dfd372437a8ed73deae1880187 [2023-11-19 07:35:23,109 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:35:23,111 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:35:23,112 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:35:23,112 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:35:23,117 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:35:23,118 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:35:23" (1/1) ... [2023-11-19 07:35:23,123 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52641bc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:23, skipping insertion in model container [2023-11-19 07:35:23,123 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:35:23" (1/1) ... [2023-11-19 07:35:23,229 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:35:23,825 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:35:23,839 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:35:23,850 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [48] [2023-11-19 07:35:23,852 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [408] [2023-11-19 07:35:23,852 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification14_spec.i","") [422] [2023-11-19 07:35:23,852 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Elevator.i","") [467] [2023-11-19 07:35:23,853 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Floor.i","") [2112] [2023-11-19 07:35:23,853 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [2773] [2023-11-19 07:35:23,853 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [3139] [2023-11-19 07:35:23,853 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Person.i","") [3174] [2023-11-19 07:35:23,854 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"UnitTests.i","") [3292] [2023-11-19 07:35:23,854 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [3383] [2023-11-19 07:35:24,015 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:35:24,068 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:35:24,069 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:24 WrapperNode [2023-11-19 07:35:24,069 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:35:24,070 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:35:24,070 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:35:24,071 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:35:24,078 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:24" (1/1) ... [2023-11-19 07:35:24,133 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:24" (1/1) ... [2023-11-19 07:35:25,215 INFO L138 Inliner]: procedures = 95, calls = 347, calls flagged for inlining = 199, calls inlined = 1916, statements flattened = 65028 [2023-11-19 07:35:25,216 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:35:25,217 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:35:25,217 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:35:25,217 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:35:25,227 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:24" (1/1) ... [2023-11-19 07:35:25,227 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:24" (1/1) ... [2023-11-19 07:35:25,348 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:24" (1/1) ... [2023-11-19 07:35:25,348 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:24" (1/1) ... [2023-11-19 07:35:25,961 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:24" (1/1) ... [2023-11-19 07:35:26,442 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:24" (1/1) ... [2023-11-19 07:35:26,490 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:24" (1/1) ... [2023-11-19 07:35:26,568 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:24" (1/1) ... [2023-11-19 07:35:26,734 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:35:26,736 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:35:26,737 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:35:26,737 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:35:26,738 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:24" (1/1) ... [2023-11-19 07:35:26,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:35:26,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d8c8ad-868e-4ca5-b765-5879da48bf28/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:26,776 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d8c8ad-868e-4ca5-b765-5879da48bf28/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:35:26,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d8c8ad-868e-4ca5-b765-5879da48bf28/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-19 07:35:26,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:35:26,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:35:26,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:35:26,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:35:27,047 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:35:27,049 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:35:51,938 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:35:52,035 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:35:52,035 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:35:52,096 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:35:52 BoogieIcfgContainer [2023-11-19 07:35:52,097 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:35:52,098 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-19 07:35:52,098 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-19 07:35:52,102 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-19 07:35:52,103 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:35:52,103 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 07:35:23" (1/3) ... [2023-11-19 07:35:52,106 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5d4fe76a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:35:52, skipping insertion in model container [2023-11-19 07:35:52,106 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:35:52,106 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:24" (2/3) ... [2023-11-19 07:35:52,107 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5d4fe76a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:35:52, skipping insertion in model container [2023-11-19 07:35:52,108 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:35:52,108 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:35:52" (3/3) ... [2023-11-19 07:35:52,110 INFO L332 chiAutomizerObserver]: Analyzing ICFG elevator_spec14_product24.cil.c [2023-11-19 07:35:52,450 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-19 07:35:52,450 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-19 07:35:52,450 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-19 07:35:52,451 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-19 07:35:52,451 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-19 07:35:52,451 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-19 07:35:52,451 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-19 07:35:52,451 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-19 07:35:52,513 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17206 states, 17205 states have (on average 1.8760825341470502) internal successors, (32278), 17205 states have internal predecessors, (32278), 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 07:35:52,876 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3457 [2023-11-19 07:35:52,877 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:35:52,877 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:35:52,900 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 07:35:52,901 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 07:35:52,901 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-19 07:35:52,954 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17206 states, 17205 states have (on average 1.8760825341470502) internal successors, (32278), 17205 states have internal predecessors, (32278), 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 07:35:53,211 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3457 [2023-11-19 07:35:53,212 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:35:53,212 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:35:53,225 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 07:35:53,225 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 07:35:53,234 INFO L748 eck$LassoCheckResult]: Stem: 4438#$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(10, 4);call #Ultimate.allocInit(4, 5);call write~init~int(91, 5, 0, 1);call write~init~int(95, 5, 1, 1);call write~init~int(93, 5, 2, 1);call write~init~int(0, 5, 3, 1);call #Ultimate.allocInit(4, 6);call write~init~int(91, 6, 0, 1);call write~init~int(93, 6, 1, 1);call write~init~int(32, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(5, 7);call write~init~int(32, 7, 0, 1);call write~init~int(97, 7, 1, 1);call write~init~int(116, 7, 2, 1);call write~init~int(32, 7, 3, 1);call write~init~int(0, 7, 4, 1);call #Ultimate.allocInit(3, 8);call write~init~int(37, 8, 0, 1);call write~init~int(105, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(10, 9);call #Ultimate.allocInit(3, 10);call write~init~int(117, 10, 0, 1);call write~init~int(112, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(5, 11);call write~init~int(100, 11, 0, 1);call write~init~int(111, 11, 1, 1);call write~init~int(119, 11, 2, 1);call write~init~int(110, 11, 3, 1);call write~init~int(0, 11, 4, 1);call #Ultimate.allocInit(7, 12);call write~init~int(32, 12, 0, 1);call write~init~int(73, 12, 1, 1);call write~init~int(76, 12, 2, 1);call write~init~int(95, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(4, 13);call write~init~int(32, 13, 0, 1);call write~init~int(37, 13, 1, 1);call write~init~int(105, 13, 2, 1);call write~init~int(0, 13, 3, 1);call #Ultimate.allocInit(4, 14);call write~init~int(32, 14, 0, 1);call write~init~int(37, 14, 1, 1);call write~init~int(105, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(4, 15);call write~init~int(32, 15, 0, 1);call write~init~int(37, 15, 1, 1);call write~init~int(105, 15, 2, 1);call write~init~int(0, 15, 3, 1);call #Ultimate.allocInit(4, 16);call write~init~int(32, 16, 0, 1);call write~init~int(37, 16, 1, 1);call write~init~int(105, 16, 2, 1);call write~init~int(0, 16, 3, 1);call #Ultimate.allocInit(4, 17);call write~init~int(32, 17, 0, 1);call write~init~int(37, 17, 1, 1);call write~init~int(105, 17, 2, 1);call write~init~int(0, 17, 3, 1);call #Ultimate.allocInit(6, 18);call write~init~int(32, 18, 0, 1);call write~init~int(70, 18, 1, 1);call write~init~int(95, 18, 2, 1);call write~init~int(112, 18, 3, 1);call write~init~int(58, 18, 4, 1);call write~init~int(0, 18, 5, 1);call #Ultimate.allocInit(4, 19);call write~init~int(32, 19, 0, 1);call write~init~int(37, 19, 1, 1);call write~init~int(105, 19, 2, 1);call write~init~int(0, 19, 3, 1);call #Ultimate.allocInit(4, 20);call write~init~int(32, 20, 0, 1);call write~init~int(37, 20, 1, 1);call write~init~int(105, 20, 2, 1);call write~init~int(0, 20, 3, 1);call #Ultimate.allocInit(4, 21);call write~init~int(32, 21, 0, 1);call write~init~int(37, 21, 1, 1);call write~init~int(105, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(4, 22);call write~init~int(32, 22, 0, 1);call write~init~int(37, 22, 1, 1);call write~init~int(105, 22, 2, 1);call write~init~int(0, 22, 3, 1);call #Ultimate.allocInit(4, 23);call write~init~int(32, 23, 0, 1);call write~init~int(37, 23, 1, 1);call write~init~int(105, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(2, 24);call write~init~int(10, 24, 0, 1);call write~init~int(0, 24, 1, 1);call #Ultimate.allocInit(9, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(21, 28);call #Ultimate.allocInit(30, 29);call #Ultimate.allocInit(9, 30);call #Ultimate.allocInit(21, 31);call #Ultimate.allocInit(30, 32);call #Ultimate.allocInit(9, 33);call #Ultimate.allocInit(25, 34);call #Ultimate.allocInit(30, 35);call #Ultimate.allocInit(9, 36);call #Ultimate.allocInit(25, 37);~cleanupTimeShifts~0 := 12;~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~blocked~0 := 0;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~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;~head~0.base, ~head~0.offset := 0, 0; 4179#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~1#1, main_~tmp~8#1;havoc main_~retValue_acc~1#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 15838#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 15516#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~28#1;havoc valid_product_~retValue_acc~28#1;valid_product_~retValue_acc~28#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~28#1; 9248#valid_product_returnLabel#1true main_#t~ret17#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~28#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret17#1;havoc main_#t~ret17#1; 1509#L395true assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 10010#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~30#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~30#1; 3546#L3218true assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~30#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~30#1; 2278#getOrigin_returnLabel#1true bigMacCall_#t~ret10#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~30#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; 12803#L2466true assume 0 == initPersonOnFloor_~floor#1; 11641#L2467true assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 9626#L2574-1true assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 954#L2258true assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 12947#L2270-2true havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 9520#initPersonOnFloor_returnLabel#1true havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 13283#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~ret81#1, timeShift_~tmp~23#1;havoc timeShift_~tmp~23#1;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~4#1;havoc areDoorsOpen_~retValue_acc~4#1;areDoorsOpen_~retValue_acc~4#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~4#1; 13533#areDoorsOpen_returnLabel#1true timeShift_#t~ret81#1 := areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~4#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~23#1 := timeShift_#t~ret81#1;havoc timeShift_#t~ret81#1; 496#L1719true assume 0 != timeShift_~tmp~23#1; 12851#L1720true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 13406#L1719-1true assume { :begin_inline___utac_acc__Specification14_spec__1 } true;havoc __utac_acc__Specification14_spec__1_#t~ret18#1, __utac_acc__Specification14_spec__1_#t~ret19#1, __utac_acc__Specification14_spec__1_#t~ret20#1, __utac_acc__Specification14_spec__1_#t~ret21#1, __utac_acc__Specification14_spec__1_~tmp~9#1, __utac_acc__Specification14_spec__1_~tmp___0~2#1, __utac_acc__Specification14_spec__1_~tmp___1~1#1, __utac_acc__Specification14_spec__1_~tmp___2~1#1;havoc __utac_acc__Specification14_spec__1_~tmp~9#1;havoc __utac_acc__Specification14_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification14_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification14_spec__1_~tmp___2~1#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret110#1, isExecutiveFloorCalling_~retValue_acc~19#1;havoc isExecutiveFloorCalling_~retValue_acc~19#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~21#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~21#1; 10500#L2195-130true assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~21#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~21#1; 3255#isFloorCalling_returnLabel#131true isExecutiveFloorCalling_#t~ret110#1 := isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~21#1;havoc isFloorCalling_#in~floorID#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~19#1 := isExecutiveFloorCalling_#t~ret110#1;havoc isExecutiveFloorCalling_#t~ret110#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~19#1; 1168#isExecutiveFloorCalling_returnLabel#7true __utac_acc__Specification14_spec__1_#t~ret18#1 := isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret110#1, isExecutiveFloorCalling_~retValue_acc~19#1;assume { :end_inline_isExecutiveFloorCalling } true;__utac_acc__Specification14_spec__1_~tmp___2~1#1 := __utac_acc__Specification14_spec__1_#t~ret18#1;havoc __utac_acc__Specification14_spec__1_#t~ret18#1; 14374#L442true assume !(0 != __utac_acc__Specification14_spec__1_~tmp___2~1#1); 1696#L442-1true havoc __utac_acc__Specification14_spec__1_#t~ret18#1, __utac_acc__Specification14_spec__1_#t~ret19#1, __utac_acc__Specification14_spec__1_#t~ret20#1, __utac_acc__Specification14_spec__1_#t~ret21#1, __utac_acc__Specification14_spec__1_~tmp~9#1, __utac_acc__Specification14_spec__1_~tmp___0~2#1, __utac_acc__Specification14_spec__1_~tmp___1~1#1, __utac_acc__Specification14_spec__1_~tmp___2~1#1;assume { :end_inline___utac_acc__Specification14_spec__1 } true; 8268#timeShift_returnLabel#1true havoc timeShift_#t~ret81#1, timeShift_~tmp~23#1;assume { :end_inline_timeShift } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret81#1, timeShift_~tmp~23#1;havoc timeShift_~tmp~23#1;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~4#1;havoc areDoorsOpen_~retValue_acc~4#1;areDoorsOpen_~retValue_acc~4#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~4#1; 7484#areDoorsOpen_returnLabel#3true timeShift_#t~ret81#1 := areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~4#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~23#1 := timeShift_#t~ret81#1;havoc timeShift_#t~ret81#1; 2082#L1719-2true assume 0 != timeShift_~tmp~23#1; 1913#L1720-3true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 9162#L1719-3true assume { :begin_inline___utac_acc__Specification14_spec__1 } true;havoc __utac_acc__Specification14_spec__1_#t~ret18#1, __utac_acc__Specification14_spec__1_#t~ret19#1, __utac_acc__Specification14_spec__1_#t~ret20#1, __utac_acc__Specification14_spec__1_#t~ret21#1, __utac_acc__Specification14_spec__1_~tmp~9#1, __utac_acc__Specification14_spec__1_~tmp___0~2#1, __utac_acc__Specification14_spec__1_~tmp___1~1#1, __utac_acc__Specification14_spec__1_~tmp___2~1#1;havoc __utac_acc__Specification14_spec__1_~tmp~9#1;havoc __utac_acc__Specification14_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification14_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification14_spec__1_~tmp___2~1#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret110#1, isExecutiveFloorCalling_~retValue_acc~19#1;havoc isExecutiveFloorCalling_~retValue_acc~19#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~21#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~21#1; 5549#L2195-261true assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~21#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~21#1; 12746#isFloorCalling_returnLabel#262true isExecutiveFloorCalling_#t~ret110#1 := isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~21#1;havoc isFloorCalling_#in~floorID#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~19#1 := isExecutiveFloorCalling_#t~ret110#1;havoc isExecutiveFloorCalling_#t~ret110#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~19#1; 1932#isExecutiveFloorCalling_returnLabel#14true __utac_acc__Specification14_spec__1_#t~ret18#1 := isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret110#1, isExecutiveFloorCalling_~retValue_acc~19#1;assume { :end_inline_isExecutiveFloorCalling } true;__utac_acc__Specification14_spec__1_~tmp___2~1#1 := __utac_acc__Specification14_spec__1_#t~ret18#1;havoc __utac_acc__Specification14_spec__1_#t~ret18#1; 1012#L442-2true assume !(0 != __utac_acc__Specification14_spec__1_~tmp___2~1#1); 11164#L442-3true havoc __utac_acc__Specification14_spec__1_#t~ret18#1, __utac_acc__Specification14_spec__1_#t~ret19#1, __utac_acc__Specification14_spec__1_#t~ret20#1, __utac_acc__Specification14_spec__1_#t~ret21#1, __utac_acc__Specification14_spec__1_~tmp~9#1, __utac_acc__Specification14_spec__1_~tmp___0~2#1, __utac_acc__Specification14_spec__1_~tmp___1~1#1, __utac_acc__Specification14_spec__1_~tmp___2~1#1;assume { :end_inline___utac_acc__Specification14_spec__1 } true; 10413#timeShift_returnLabel#2true havoc timeShift_#t~ret81#1, timeShift_~tmp~23#1;assume { :end_inline_timeShift } true;assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret81#1, timeShift_~tmp~23#1;havoc timeShift_~tmp~23#1;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~4#1;havoc areDoorsOpen_~retValue_acc~4#1;areDoorsOpen_~retValue_acc~4#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~4#1; 12319#areDoorsOpen_returnLabel#5true timeShift_#t~ret81#1 := areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~4#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~23#1 := timeShift_#t~ret81#1;havoc timeShift_#t~ret81#1; 9492#L1719-4true assume 0 != timeShift_~tmp~23#1; 9525#L1720-6true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 13407#L1719-5true assume { :begin_inline___utac_acc__Specification14_spec__1 } true;havoc __utac_acc__Specification14_spec__1_#t~ret18#1, __utac_acc__Specification14_spec__1_#t~ret19#1, __utac_acc__Specification14_spec__1_#t~ret20#1, __utac_acc__Specification14_spec__1_#t~ret21#1, __utac_acc__Specification14_spec__1_~tmp~9#1, __utac_acc__Specification14_spec__1_~tmp___0~2#1, __utac_acc__Specification14_spec__1_~tmp___1~1#1, __utac_acc__Specification14_spec__1_~tmp___2~1#1;havoc __utac_acc__Specification14_spec__1_~tmp~9#1;havoc __utac_acc__Specification14_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification14_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification14_spec__1_~tmp___2~1#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret110#1, isExecutiveFloorCalling_~retValue_acc~19#1;havoc isExecutiveFloorCalling_~retValue_acc~19#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~21#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~21#1; 15429#L2195-392true assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~21#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~21#1; 192#isFloorCalling_returnLabel#393true isExecutiveFloorCalling_#t~ret110#1 := isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~21#1;havoc isFloorCalling_#in~floorID#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~19#1 := isExecutiveFloorCalling_#t~ret110#1;havoc isExecutiveFloorCalling_#t~ret110#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~19#1; 6333#isExecutiveFloorCalling_returnLabel#21true __utac_acc__Specification14_spec__1_#t~ret18#1 := isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret110#1, isExecutiveFloorCalling_~retValue_acc~19#1;assume { :end_inline_isExecutiveFloorCalling } true;__utac_acc__Specification14_spec__1_~tmp___2~1#1 := __utac_acc__Specification14_spec__1_#t~ret18#1;havoc __utac_acc__Specification14_spec__1_#t~ret18#1; 1992#L442-4true assume !(0 != __utac_acc__Specification14_spec__1_~tmp___2~1#1); 9691#L442-5true havoc __utac_acc__Specification14_spec__1_#t~ret18#1, __utac_acc__Specification14_spec__1_#t~ret19#1, __utac_acc__Specification14_spec__1_#t~ret20#1, __utac_acc__Specification14_spec__1_#t~ret21#1, __utac_acc__Specification14_spec__1_~tmp~9#1, __utac_acc__Specification14_spec__1_~tmp___0~2#1, __utac_acc__Specification14_spec__1_~tmp___1~1#1, __utac_acc__Specification14_spec__1_~tmp___2~1#1;assume { :end_inline___utac_acc__Specification14_spec__1 } true; 4529#timeShift_returnLabel#3true havoc timeShift_#t~ret81#1, timeShift_~tmp~23#1;assume { :end_inline_timeShift } true; 4351#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~30#1;getOrigin_~person#1 := getOrigin_#in~person#1;havoc getOrigin_~retValue_acc~30#1; 15078#L3218-1true assume 0 == getOrigin_~person#1;getOrigin_~retValue_acc~30#1 := 4;getOrigin_#res#1 := getOrigin_~retValue_acc~30#1; 8966#getOrigin_returnLabel#2true bobCall_#t~ret5#1 := getOrigin_#res#1;havoc getOrigin_~person#1, getOrigin_~retValue_acc~30#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; 2714#L2466-1true assume 0 == initPersonOnFloor_~floor#1; 8445#L2467-2true assume 0 == initPersonOnFloor_~person#1;~personOnFloor_0_0~0 := 1; 14140#L2574-3true assume { :begin_inline_callOnFloor } true;callOnFloor_#in~floorID#1 := initPersonOnFloor_~floor#1;havoc callOnFloor_~floorID#1;callOnFloor_~floorID#1 := callOnFloor_#in~floorID#1; 12283#L2258-2true assume 0 == callOnFloor_~floorID#1;~calls_0~0 := 1; 9153#L2270-5true havoc callOnFloor_~floorID#1;havoc callOnFloor_#in~floorID#1;assume { :end_inline_callOnFloor } true; 3024#initPersonOnFloor_returnLabel#2true havoc initPersonOnFloor_~person#1, initPersonOnFloor_~floor#1;havoc initPersonOnFloor_#in~person#1, initPersonOnFloor_#in~floor#1;assume { :end_inline_initPersonOnFloor } true; 2502#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~ret81#1, timeShift_~tmp~23#1;havoc timeShift_~tmp~23#1;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~4#1;havoc areDoorsOpen_~retValue_acc~4#1;areDoorsOpen_~retValue_acc~4#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~4#1; 8918#areDoorsOpen_returnLabel#7true timeShift_#t~ret81#1 := areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~4#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~23#1 := timeShift_#t~ret81#1;havoc timeShift_#t~ret81#1; 1910#L1719-6true assume 0 != timeShift_~tmp~23#1; 11176#L1720-9true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 10656#L1719-7true assume { :begin_inline___utac_acc__Specification14_spec__1 } true;havoc __utac_acc__Specification14_spec__1_#t~ret18#1, __utac_acc__Specification14_spec__1_#t~ret19#1, __utac_acc__Specification14_spec__1_#t~ret20#1, __utac_acc__Specification14_spec__1_#t~ret21#1, __utac_acc__Specification14_spec__1_~tmp~9#1, __utac_acc__Specification14_spec__1_~tmp___0~2#1, __utac_acc__Specification14_spec__1_~tmp___1~1#1, __utac_acc__Specification14_spec__1_~tmp___2~1#1;havoc __utac_acc__Specification14_spec__1_~tmp~9#1;havoc __utac_acc__Specification14_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification14_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification14_spec__1_~tmp___2~1#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret110#1, isExecutiveFloorCalling_~retValue_acc~19#1;havoc isExecutiveFloorCalling_~retValue_acc~19#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~21#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~21#1; 1237#L2195-523true assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~21#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~21#1; 2273#isFloorCalling_returnLabel#524true isExecutiveFloorCalling_#t~ret110#1 := isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~21#1;havoc isFloorCalling_#in~floorID#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~19#1 := isExecutiveFloorCalling_#t~ret110#1;havoc isExecutiveFloorCalling_#t~ret110#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~19#1; 16410#isExecutiveFloorCalling_returnLabel#28true __utac_acc__Specification14_spec__1_#t~ret18#1 := isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret110#1, isExecutiveFloorCalling_~retValue_acc~19#1;assume { :end_inline_isExecutiveFloorCalling } true;__utac_acc__Specification14_spec__1_~tmp___2~1#1 := __utac_acc__Specification14_spec__1_#t~ret18#1;havoc __utac_acc__Specification14_spec__1_#t~ret18#1; 2327#L442-6true assume !(0 != __utac_acc__Specification14_spec__1_~tmp___2~1#1); 5665#L442-7true havoc __utac_acc__Specification14_spec__1_#t~ret18#1, __utac_acc__Specification14_spec__1_#t~ret19#1, __utac_acc__Specification14_spec__1_#t~ret20#1, __utac_acc__Specification14_spec__1_#t~ret21#1, __utac_acc__Specification14_spec__1_~tmp~9#1, __utac_acc__Specification14_spec__1_~tmp___0~2#1, __utac_acc__Specification14_spec__1_~tmp___1~1#1, __utac_acc__Specification14_spec__1_~tmp___2~1#1;assume { :end_inline___utac_acc__Specification14_spec__1 } true; 8224#timeShift_returnLabel#4true havoc timeShift_#t~ret81#1, timeShift_~tmp~23#1;assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 0; 10676#L198-2true [2023-11-19 07:35:53,235 INFO L750 eck$LassoCheckResult]: Loop: 10676#L198-2true assume !false; 12533#L199true cleanup_~__cil_tmp4~0#1 := ~cleanupTimeShifts~0 - 1; 4764#L202true assume cleanup_~i~0#1 < cleanup_~__cil_tmp4~0#1;assume { :begin_inline_isBlocked } true;havoc isBlocked_#res#1;havoc isBlocked_~retValue_acc~2#1;havoc isBlocked_~retValue_acc~2#1;isBlocked_~retValue_acc~2#1 := ~blocked~0;isBlocked_#res#1 := isBlocked_~retValue_acc~2#1; 7228#isBlocked_returnLabel#1true cleanup_#t~ret11#1 := isBlocked_#res#1;havoc isBlocked_~retValue_acc~2#1;assume { :end_inline_isBlocked } true;cleanup_~tmp___0~0#1 := cleanup_#t~ret11#1;havoc cleanup_#t~ret11#1; 11296#L206true assume 1 != cleanup_~tmp___0~0#1; 6099#L206-1true assume { :begin_inline_isIdle } true;havoc isIdle_#res#1;havoc isIdle_#t~ret29#1, isIdle_~retValue_acc~9#1, isIdle_~tmp~13#1;havoc isIdle_~retValue_acc~9#1;havoc isIdle_~tmp~13#1;assume { :begin_inline_anyStopRequested } true;havoc anyStopRequested_#res#1;havoc anyStopRequested_#t~ret24#1, anyStopRequested_#t~ret25#1, anyStopRequested_#t~ret26#1, anyStopRequested_#t~ret27#1, anyStopRequested_#t~ret28#1, anyStopRequested_~retValue_acc~8#1, anyStopRequested_~tmp~12#1, anyStopRequested_~tmp___0~3#1, anyStopRequested_~tmp___1~2#1, anyStopRequested_~tmp___2~2#1, anyStopRequested_~tmp___3~0#1;havoc anyStopRequested_~retValue_acc~8#1;havoc anyStopRequested_~tmp~12#1;havoc anyStopRequested_~tmp___0~3#1;havoc anyStopRequested_~tmp___1~2#1;havoc anyStopRequested_~tmp___2~2#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~21#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~21#1; 675#L2195-524true assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~21#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~21#1; 1642#isFloorCalling_returnLabel#525true anyStopRequested_#t~ret24#1 := isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~21#1;havoc isFloorCalling_#in~floorID#1;assume { :end_inline_isFloorCalling } true;anyStopRequested_~tmp___3~0#1 := anyStopRequested_#t~ret24#1;havoc anyStopRequested_#t~ret24#1; 12155#L808true assume 0 != anyStopRequested_~tmp___3~0#1;anyStopRequested_~retValue_acc~8#1 := 1;anyStopRequested_#res#1 := anyStopRequested_~retValue_acc~8#1; 4409#anyStopRequested_returnLabel#1true isIdle_#t~ret29#1 := anyStopRequested_#res#1;havoc anyStopRequested_#t~ret24#1, anyStopRequested_#t~ret25#1, anyStopRequested_#t~ret26#1, anyStopRequested_#t~ret27#1, anyStopRequested_#t~ret28#1, anyStopRequested_~retValue_acc~8#1, anyStopRequested_~tmp~12#1, anyStopRequested_~tmp___0~3#1, anyStopRequested_~tmp___1~2#1, anyStopRequested_~tmp___2~2#1, anyStopRequested_~tmp___3~0#1;assume { :end_inline_anyStopRequested } true;isIdle_~tmp~13#1 := isIdle_#t~ret29#1;havoc isIdle_#t~ret29#1;isIdle_~retValue_acc~9#1 := (if 0 == isIdle_~tmp~13#1 then 1 else 0);isIdle_#res#1 := isIdle_~retValue_acc~9#1; 987#isIdle_returnLabel#1true cleanup_#t~ret12#1 := isIdle_#res#1;havoc isIdle_#t~ret29#1, isIdle_~retValue_acc~9#1, isIdle_~tmp~13#1;assume { :end_inline_isIdle } true;cleanup_~tmp~6#1 := cleanup_#t~ret12#1;havoc cleanup_#t~ret12#1; 705#L218true assume !(0 != cleanup_~tmp~6#1);assume { :begin_inline_timeShift } true;havoc timeShift_#t~ret81#1, timeShift_~tmp~23#1;havoc timeShift_~tmp~23#1;assume { :begin_inline_areDoorsOpen } true;havoc areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~4#1;havoc areDoorsOpen_~retValue_acc~4#1;areDoorsOpen_~retValue_acc~4#1 := ~doorState~0;areDoorsOpen_#res#1 := areDoorsOpen_~retValue_acc~4#1; 3029#areDoorsOpen_returnLabel#9true timeShift_#t~ret81#1 := areDoorsOpen_#res#1;havoc areDoorsOpen_~retValue_acc~4#1;assume { :end_inline_areDoorsOpen } true;timeShift_~tmp~23#1 := timeShift_#t~ret81#1;havoc timeShift_#t~ret81#1; 16942#L1719-8true assume 0 != timeShift_~tmp~23#1; 14924#L1720-12true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 15876#L1719-9true assume { :begin_inline___utac_acc__Specification14_spec__1 } true;havoc __utac_acc__Specification14_spec__1_#t~ret18#1, __utac_acc__Specification14_spec__1_#t~ret19#1, __utac_acc__Specification14_spec__1_#t~ret20#1, __utac_acc__Specification14_spec__1_#t~ret21#1, __utac_acc__Specification14_spec__1_~tmp~9#1, __utac_acc__Specification14_spec__1_~tmp___0~2#1, __utac_acc__Specification14_spec__1_~tmp___1~1#1, __utac_acc__Specification14_spec__1_~tmp___2~1#1;havoc __utac_acc__Specification14_spec__1_~tmp~9#1;havoc __utac_acc__Specification14_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification14_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification14_spec__1_~tmp___2~1#1;assume { :begin_inline_isExecutiveFloorCalling } true;havoc isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret110#1, isExecutiveFloorCalling_~retValue_acc~19#1;havoc isExecutiveFloorCalling_~retValue_acc~19#1;assume { :begin_inline_isFloorCalling } true;isFloorCalling_#in~floorID#1 := ~executiveFloor~0;havoc isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~21#1;isFloorCalling_~floorID#1 := isFloorCalling_#in~floorID#1;havoc isFloorCalling_~retValue_acc~21#1; 11081#L2195-659true assume 0 == isFloorCalling_~floorID#1;isFloorCalling_~retValue_acc~21#1 := ~calls_0~0;isFloorCalling_#res#1 := isFloorCalling_~retValue_acc~21#1; 358#isFloorCalling_returnLabel#660true isExecutiveFloorCalling_#t~ret110#1 := isFloorCalling_#res#1;havoc isFloorCalling_~floorID#1, isFloorCalling_~retValue_acc~21#1;havoc isFloorCalling_#in~floorID#1;assume { :end_inline_isFloorCalling } true;isExecutiveFloorCalling_~retValue_acc~19#1 := isExecutiveFloorCalling_#t~ret110#1;havoc isExecutiveFloorCalling_#t~ret110#1;isExecutiveFloorCalling_#res#1 := isExecutiveFloorCalling_~retValue_acc~19#1; 10177#isExecutiveFloorCalling_returnLabel#35true __utac_acc__Specification14_spec__1_#t~ret18#1 := isExecutiveFloorCalling_#res#1;havoc isExecutiveFloorCalling_#t~ret110#1, isExecutiveFloorCalling_~retValue_acc~19#1;assume { :end_inline_isExecutiveFloorCalling } true;__utac_acc__Specification14_spec__1_~tmp___2~1#1 := __utac_acc__Specification14_spec__1_#t~ret18#1;havoc __utac_acc__Specification14_spec__1_#t~ret18#1; 5079#L442-8true assume !(0 != __utac_acc__Specification14_spec__1_~tmp___2~1#1); 6845#L442-9true havoc __utac_acc__Specification14_spec__1_#t~ret18#1, __utac_acc__Specification14_spec__1_#t~ret19#1, __utac_acc__Specification14_spec__1_#t~ret20#1, __utac_acc__Specification14_spec__1_#t~ret21#1, __utac_acc__Specification14_spec__1_~tmp~9#1, __utac_acc__Specification14_spec__1_~tmp___0~2#1, __utac_acc__Specification14_spec__1_~tmp___1~1#1, __utac_acc__Specification14_spec__1_~tmp___2~1#1;assume { :end_inline___utac_acc__Specification14_spec__1 } true; 6841#timeShift_returnLabel#5true havoc timeShift_#t~ret81#1, timeShift_~tmp~23#1;assume { :end_inline_timeShift } true;cleanup_~i~0#1 := 1 + cleanup_~i~0#1; 10676#L198-2true [2023-11-19 07:35:53,245 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:53,247 INFO L85 PathProgramCache]: Analyzing trace with hash 845736250, now seen corresponding path program 1 times [2023-11-19 07:35:53,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:35:53,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447864623] [2023-11-19 07:35:53,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:53,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:35:53,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:53,768 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 07:35:53,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:35:53,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447864623] [2023-11-19 07:35:53,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447864623] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:35:53,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:35:53,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:35:53,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102682726] [2023-11-19 07:35:53,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:35:53,779 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-19 07:35:53,780 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:53,780 INFO L85 PathProgramCache]: Analyzing trace with hash 317409106, now seen corresponding path program 1 times [2023-11-19 07:35:53,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:35:53,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720108470] [2023-11-19 07:35:53,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:53,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:35:53,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:53,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:35:53,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:35:53,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720108470] [2023-11-19 07:35:53,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720108470] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:35:53,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:35:53,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-19 07:35:53,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251446970] [2023-11-19 07:35:53,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:35:53,924 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-19 07:35:53,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:35:53,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-19 07:35:53,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-19 07:35:54,015 INFO L87 Difference]: Start difference. First operand has 17206 states, 17205 states have (on average 1.8760825341470502) internal successors, (32278), 17205 states have internal predecessors, (32278), 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)