./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/busybox-1.22.0/printf-3.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c67531-8292-48cc-97b8-1474bd854428/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c67531-8292-48cc-97b8-1474bd854428/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c67531-8292-48cc-97b8-1474bd854428/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c67531-8292-48cc-97b8-1474bd854428/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/printf-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c67531-8292-48cc-97b8-1474bd854428/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c67531-8292-48cc-97b8-1474bd854428/bin/uautomizer-verify-4GaUIPS5ZU --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2593602351cb34686025dea9c261b26d1cca1858dfe926a7fd5af83beb181488 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:12:15,077 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:12:15,184 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c67531-8292-48cc-97b8-1474bd854428/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-31 22:12:15,191 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:12:15,191 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:12:15,231 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:12:15,232 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:12:15,232 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:12:15,233 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:12:15,233 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:12:15,234 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:12:15,234 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:12:15,235 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:12:15,239 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:12:15,240 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:12:15,240 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:12:15,241 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:12:15,241 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:12:15,241 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:12:15,241 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:12:15,242 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:12:15,243 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:12:15,244 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:12:15,244 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:12:15,244 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:12:15,244 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:12:15,245 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:12:15,253 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:12:15,253 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:12:15,253 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:12:15,254 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:12:15,254 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:12:15,254 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:12:15,254 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:12:15,255 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:12:15,255 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:12:15,255 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:12:15,256 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:12:15,256 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:12:15,256 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_77c67531-8292-48cc-97b8-1474bd854428/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c67531-8292-48cc-97b8-1474bd854428/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2593602351cb34686025dea9c261b26d1cca1858dfe926a7fd5af83beb181488 [2024-10-31 22:12:15,558 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:12:15,591 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:12:15,594 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:12:15,597 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:12:15,597 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:12:15,599 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c67531-8292-48cc-97b8-1474bd854428/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/busybox-1.22.0/printf-3.i Unable to find full path for "g++" [2024-10-31 22:12:17,681 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:12:18,218 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:12:18,218 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c67531-8292-48cc-97b8-1474bd854428/sv-benchmarks/c/busybox-1.22.0/printf-3.i [2024-10-31 22:12:18,266 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c67531-8292-48cc-97b8-1474bd854428/bin/uautomizer-verify-4GaUIPS5ZU/data/6bf5df4e6/d5e0bade1c54437eb4e35719a948b3ff/FLAGec5cde81c [2024-10-31 22:12:18,288 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c67531-8292-48cc-97b8-1474bd854428/bin/uautomizer-verify-4GaUIPS5ZU/data/6bf5df4e6/d5e0bade1c54437eb4e35719a948b3ff [2024-10-31 22:12:18,292 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:12:18,293 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:12:18,296 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:12:18,297 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:12:18,304 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:12:18,305 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:12:18" (1/1) ... [2024-10-31 22:12:18,306 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54360fe8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:18, skipping insertion in model container [2024-10-31 22:12:18,306 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:12:18" (1/1) ... [2024-10-31 22:12:18,414 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:12:20,342 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c67531-8292-48cc-97b8-1474bd854428/sv-benchmarks/c/busybox-1.22.0/printf-3.i[101365,101378] [2024-10-31 22:12:20,354 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c67531-8292-48cc-97b8-1474bd854428/sv-benchmarks/c/busybox-1.22.0/printf-3.i[101541,101554] [2024-10-31 22:12:20,357 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c67531-8292-48cc-97b8-1474bd854428/sv-benchmarks/c/busybox-1.22.0/printf-3.i[101714,101727] [2024-10-31 22:12:20,363 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c67531-8292-48cc-97b8-1474bd854428/sv-benchmarks/c/busybox-1.22.0/printf-3.i[101925,101938] [2024-10-31 22:12:20,365 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c67531-8292-48cc-97b8-1474bd854428/sv-benchmarks/c/busybox-1.22.0/printf-3.i[102238,102251] [2024-10-31 22:12:20,382 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c67531-8292-48cc-97b8-1474bd854428/sv-benchmarks/c/busybox-1.22.0/printf-3.i[104385,104398] [2024-10-31 22:12:20,433 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c67531-8292-48cc-97b8-1474bd854428/sv-benchmarks/c/busybox-1.22.0/printf-3.i[106746,106759] [2024-10-31 22:12:20,437 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c67531-8292-48cc-97b8-1474bd854428/sv-benchmarks/c/busybox-1.22.0/printf-3.i[107198,107211] [2024-10-31 22:12:20,442 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c67531-8292-48cc-97b8-1474bd854428/sv-benchmarks/c/busybox-1.22.0/printf-3.i[107551,107564] [2024-10-31 22:12:20,448 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c67531-8292-48cc-97b8-1474bd854428/sv-benchmarks/c/busybox-1.22.0/printf-3.i[108090,108103] [2024-10-31 22:12:20,456 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c67531-8292-48cc-97b8-1474bd854428/sv-benchmarks/c/busybox-1.22.0/printf-3.i[109009,109022] [2024-10-31 22:12:20,458 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c67531-8292-48cc-97b8-1474bd854428/sv-benchmarks/c/busybox-1.22.0/printf-3.i[109362,109375] [2024-10-31 22:12:20,465 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c67531-8292-48cc-97b8-1474bd854428/sv-benchmarks/c/busybox-1.22.0/printf-3.i[109903,109916] [2024-10-31 22:12:20,472 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c67531-8292-48cc-97b8-1474bd854428/sv-benchmarks/c/busybox-1.22.0/printf-3.i[110636,110649] [2024-10-31 22:12:20,603 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:12:20,658 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:12:20,770 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c67531-8292-48cc-97b8-1474bd854428/sv-benchmarks/c/busybox-1.22.0/printf-3.i[101365,101378] [2024-10-31 22:12:20,773 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c67531-8292-48cc-97b8-1474bd854428/sv-benchmarks/c/busybox-1.22.0/printf-3.i[101541,101554] [2024-10-31 22:12:20,775 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c67531-8292-48cc-97b8-1474bd854428/sv-benchmarks/c/busybox-1.22.0/printf-3.i[101714,101727] [2024-10-31 22:12:20,776 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c67531-8292-48cc-97b8-1474bd854428/sv-benchmarks/c/busybox-1.22.0/printf-3.i[101925,101938] [2024-10-31 22:12:20,779 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c67531-8292-48cc-97b8-1474bd854428/sv-benchmarks/c/busybox-1.22.0/printf-3.i[102238,102251] [2024-10-31 22:12:20,789 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c67531-8292-48cc-97b8-1474bd854428/sv-benchmarks/c/busybox-1.22.0/printf-3.i[104385,104398] [2024-10-31 22:12:20,799 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c67531-8292-48cc-97b8-1474bd854428/sv-benchmarks/c/busybox-1.22.0/printf-3.i[106746,106759] [2024-10-31 22:12:20,801 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c67531-8292-48cc-97b8-1474bd854428/sv-benchmarks/c/busybox-1.22.0/printf-3.i[107198,107211] [2024-10-31 22:12:20,803 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c67531-8292-48cc-97b8-1474bd854428/sv-benchmarks/c/busybox-1.22.0/printf-3.i[107551,107564] [2024-10-31 22:12:20,805 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c67531-8292-48cc-97b8-1474bd854428/sv-benchmarks/c/busybox-1.22.0/printf-3.i[108090,108103] [2024-10-31 22:12:20,809 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c67531-8292-48cc-97b8-1474bd854428/sv-benchmarks/c/busybox-1.22.0/printf-3.i[109009,109022] [2024-10-31 22:12:20,811 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c67531-8292-48cc-97b8-1474bd854428/sv-benchmarks/c/busybox-1.22.0/printf-3.i[109362,109375] [2024-10-31 22:12:20,813 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c67531-8292-48cc-97b8-1474bd854428/sv-benchmarks/c/busybox-1.22.0/printf-3.i[109903,109916] [2024-10-31 22:12:20,819 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c67531-8292-48cc-97b8-1474bd854428/sv-benchmarks/c/busybox-1.22.0/printf-3.i[110636,110649] [2024-10-31 22:12:20,890 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:12:21,174 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:12:21,175 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:21 WrapperNode [2024-10-31 22:12:21,175 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:12:21,176 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:12:21,177 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:12:21,177 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:12:21,186 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:21" (1/1) ... [2024-10-31 22:12:21,274 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:21" (1/1) ... [2024-10-31 22:12:21,397 INFO L138 Inliner]: procedures = 646, calls = 801, calls flagged for inlining = 26, calls inlined = 21, statements flattened = 1629 [2024-10-31 22:12:21,405 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:12:21,405 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:12:21,405 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:12:21,406 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:12:21,419 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:21" (1/1) ... [2024-10-31 22:12:21,419 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:21" (1/1) ... [2024-10-31 22:12:21,438 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:21" (1/1) ... [2024-10-31 22:12:21,550 INFO L175 MemorySlicer]: Split 638 memory accesses to 20 slices as follows [109, 2, 2, 2, 20, 15, 5, 17, 24, 1, 15, 355, 1, 4, 1, 4, 3, 3, 10, 45]. 56 percent of accesses are in the largest equivalence class. The 379 initializations are split as follows [13, 2, 2, 0, 0, 0, 5, 1, 0, 0, 0, 355, 0, 0, 0, 0, 0, 0, 0, 1]. The 111 writes are split as follows [17, 0, 0, 1, 2, 15, 0, 10, 21, 1, 15, 0, 0, 2, 0, 3, 3, 2, 7, 12]. [2024-10-31 22:12:21,550 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:21" (1/1) ... [2024-10-31 22:12:21,551 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:21" (1/1) ... [2024-10-31 22:12:21,641 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:21" (1/1) ... [2024-10-31 22:12:21,661 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:21" (1/1) ... [2024-10-31 22:12:21,710 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:21" (1/1) ... [2024-10-31 22:12:21,728 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:21" (1/1) ... [2024-10-31 22:12:21,772 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:12:21,774 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:12:21,775 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:12:21,775 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:12:21,776 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:21" (1/1) ... [2024-10-31 22:12:21,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:12:21,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c67531-8292-48cc-97b8-1474bd854428/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:12:21,821 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c67531-8292-48cc-97b8-1474bd854428/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:12:21,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c67531-8292-48cc-97b8-1474bd854428/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:12:21,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-10-31 22:12:21,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-10-31 22:12:21,857 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-10-31 22:12:21,857 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-10-31 22:12:21,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-10-31 22:12:21,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-10-31 22:12:21,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-10-31 22:12:21,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2024-10-31 22:12:21,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2024-10-31 22:12:21,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2024-10-31 22:12:21,860 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2024-10-31 22:12:21,860 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2024-10-31 22:12:21,860 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#12 [2024-10-31 22:12:21,860 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#13 [2024-10-31 22:12:21,860 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#14 [2024-10-31 22:12:21,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#15 [2024-10-31 22:12:21,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#16 [2024-10-31 22:12:21,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#17 [2024-10-31 22:12:21,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#18 [2024-10-31 22:12:21,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#19 [2024-10-31 22:12:21,861 INFO L130 BoogieDeclarations]: Found specification of procedure bb_putchar [2024-10-31 22:12:21,862 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_putchar [2024-10-31 22:12:21,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 22:12:21,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#0 [2024-10-31 22:12:21,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#1 [2024-10-31 22:12:21,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#2 [2024-10-31 22:12:21,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#3 [2024-10-31 22:12:21,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#4 [2024-10-31 22:12:21,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#5 [2024-10-31 22:12:21,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#6 [2024-10-31 22:12:21,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#7 [2024-10-31 22:12:21,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#8 [2024-10-31 22:12:21,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#9 [2024-10-31 22:12:21,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#10 [2024-10-31 22:12:21,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#11 [2024-10-31 22:12:21,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#12 [2024-10-31 22:12:21,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#13 [2024-10-31 22:12:21,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#14 [2024-10-31 22:12:21,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#15 [2024-10-31 22:12:21,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#16 [2024-10-31 22:12:21,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#17 [2024-10-31 22:12:21,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#18 [2024-10-31 22:12:21,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#19 [2024-10-31 22:12:21,865 INFO L130 BoogieDeclarations]: Found specification of procedure ret_ERANGE [2024-10-31 22:12:21,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ret_ERANGE [2024-10-31 22:12:21,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-10-31 22:12:21,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-10-31 22:12:21,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-10-31 22:12:21,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-10-31 22:12:21,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-10-31 22:12:21,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-10-31 22:12:21,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-10-31 22:12:21,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-10-31 22:12:21,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-10-31 22:12:21,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-10-31 22:12:21,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-10-31 22:12:21,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-10-31 22:12:21,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-10-31 22:12:21,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-10-31 22:12:21,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-10-31 22:12:21,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-10-31 22:12:21,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-10-31 22:12:21,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-10-31 22:12:21,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-10-31 22:12:21,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2024-10-31 22:12:21,870 INFO L130 BoogieDeclarations]: Found specification of procedure bb_verror_msg [2024-10-31 22:12:21,870 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_verror_msg [2024-10-31 22:12:21,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-31 22:12:21,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-31 22:12:21,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-31 22:12:21,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-31 22:12:21,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-10-31 22:12:21,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-10-31 22:12:21,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-10-31 22:12:21,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-10-31 22:12:21,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-10-31 22:12:21,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-10-31 22:12:21,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-10-31 22:12:21,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-10-31 22:12:21,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-10-31 22:12:21,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-10-31 22:12:21,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-10-31 22:12:21,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-10-31 22:12:21,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-10-31 22:12:21,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-10-31 22:12:21,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-10-31 22:12:21,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-10-31 22:12:21,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 22:12:21,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 22:12:21,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-31 22:12:21,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-31 22:12:21,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-31 22:12:21,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-31 22:12:21,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-31 22:12:21,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-31 22:12:21,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-31 22:12:21,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-31 22:12:21,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-31 22:12:21,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-31 22:12:21,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-31 22:12:21,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-10-31 22:12:21,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-10-31 22:12:21,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-10-31 22:12:21,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-10-31 22:12:21,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-10-31 22:12:21,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-10-31 22:12:21,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-10-31 22:12:21,920 INFO L130 BoogieDeclarations]: Found specification of procedure get_width_prec [2024-10-31 22:12:21,920 INFO L138 BoogieDeclarations]: Found implementation of procedure get_width_prec [2024-10-31 22:12:21,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-10-31 22:12:21,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-10-31 22:12:21,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-10-31 22:12:21,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-10-31 22:12:21,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-10-31 22:12:21,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-10-31 22:12:21,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-10-31 22:12:21,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2024-10-31 22:12:21,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2024-10-31 22:12:21,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2024-10-31 22:12:21,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#10 [2024-10-31 22:12:21,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#11 [2024-10-31 22:12:21,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#12 [2024-10-31 22:12:21,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#13 [2024-10-31 22:12:21,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#14 [2024-10-31 22:12:21,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#15 [2024-10-31 22:12:21,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#16 [2024-10-31 22:12:21,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#17 [2024-10-31 22:12:21,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#18 [2024-10-31 22:12:21,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#19 [2024-10-31 22:12:21,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 22:12:21,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:12:21,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-31 22:12:21,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-31 22:12:21,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-31 22:12:21,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-31 22:12:21,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-31 22:12:21,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-31 22:12:21,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-31 22:12:21,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-31 22:12:21,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-31 22:12:21,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-10-31 22:12:21,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-10-31 22:12:21,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-10-31 22:12:21,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-10-31 22:12:21,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-10-31 22:12:21,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-10-31 22:12:21,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-10-31 22:12:21,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-10-31 22:12:21,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-10-31 22:12:21,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-10-31 22:12:21,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-10-31 22:12:21,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:12:21,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:12:21,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-10-31 22:12:21,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-10-31 22:12:21,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-10-31 22:12:21,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-10-31 22:12:21,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-10-31 22:12:21,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-10-31 22:12:21,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-10-31 22:12:21,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-10-31 22:12:21,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-10-31 22:12:21,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-10-31 22:12:21,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-10-31 22:12:21,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-10-31 22:12:21,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-10-31 22:12:21,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-10-31 22:12:21,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-10-31 22:12:21,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-10-31 22:12:21,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-10-31 22:12:21,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-10-31 22:12:21,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-10-31 22:12:21,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2024-10-31 22:12:21,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-10-31 22:12:21,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-10-31 22:12:21,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-10-31 22:12:21,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-10-31 22:12:21,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-10-31 22:12:21,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-10-31 22:12:21,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-10-31 22:12:21,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-10-31 22:12:21,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-10-31 22:12:21,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-10-31 22:12:21,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-10-31 22:12:21,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-10-31 22:12:21,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-10-31 22:12:21,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-10-31 22:12:21,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-10-31 22:12:21,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-10-31 22:12:21,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-10-31 22:12:21,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-10-31 22:12:21,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-10-31 22:12:21,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-10-31 22:12:21,936 INFO L130 BoogieDeclarations]: Found specification of procedure handle_errors [2024-10-31 22:12:21,936 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_errors [2024-10-31 22:12:21,936 INFO L130 BoogieDeclarations]: Found specification of procedure bb_process_escape_sequence [2024-10-31 22:12:21,936 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_process_escape_sequence [2024-10-31 22:12:21,936 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:12:21,936 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:12:21,937 INFO L130 BoogieDeclarations]: Found specification of procedure print_direc [2024-10-31 22:12:21,937 INFO L138 BoogieDeclarations]: Found implementation of procedure print_direc [2024-10-31 22:12:21,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 22:12:21,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-31 22:12:21,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-31 22:12:21,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-31 22:12:21,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-31 22:12:21,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-31 22:12:21,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-31 22:12:21,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-31 22:12:21,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-31 22:12:21,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-31 22:12:21,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-31 22:12:21,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-10-31 22:12:21,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-10-31 22:12:21,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-10-31 22:12:21,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-10-31 22:12:21,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-10-31 22:12:21,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-10-31 22:12:21,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-10-31 22:12:21,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-10-31 22:12:21,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-10-31 22:12:21,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-10-31 22:12:21,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-31 22:12:21,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-31 22:12:21,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-31 22:12:21,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-31 22:12:21,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-31 22:12:21,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-31 22:12:21,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-31 22:12:21,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-31 22:12:21,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-10-31 22:12:21,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-10-31 22:12:21,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-10-31 22:12:21,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-10-31 22:12:21,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-10-31 22:12:21,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-10-31 22:12:21,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-10-31 22:12:21,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-10-31 22:12:21,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-10-31 22:12:21,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-10-31 22:12:21,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-10-31 22:12:21,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-10-31 22:12:21,942 INFO L130 BoogieDeclarations]: Found specification of procedure bb_ascii_isalnum [2024-10-31 22:12:21,943 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_ascii_isalnum [2024-10-31 22:12:21,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 22:12:21,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-31 22:12:21,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-31 22:12:21,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-31 22:12:21,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-31 22:12:21,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-31 22:12:21,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-31 22:12:21,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-31 22:12:21,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-31 22:12:21,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-31 22:12:21,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-31 22:12:21,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-31 22:12:21,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-31 22:12:21,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-10-31 22:12:21,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-10-31 22:12:21,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-10-31 22:12:21,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-10-31 22:12:21,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-10-31 22:12:21,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-10-31 22:12:21,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-10-31 22:12:21,949 INFO L130 BoogieDeclarations]: Found specification of procedure bb_strtoll [2024-10-31 22:12:21,949 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_strtoll [2024-10-31 22:12:21,949 INFO L130 BoogieDeclarations]: Found specification of procedure multiconvert [2024-10-31 22:12:21,949 INFO L138 BoogieDeclarations]: Found implementation of procedure multiconvert [2024-10-31 22:12:21,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#0 [2024-10-31 22:12:21,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#1 [2024-10-31 22:12:21,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#2 [2024-10-31 22:12:21,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#3 [2024-10-31 22:12:21,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#4 [2024-10-31 22:12:21,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#5 [2024-10-31 22:12:21,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#6 [2024-10-31 22:12:21,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#7 [2024-10-31 22:12:21,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#8 [2024-10-31 22:12:21,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#9 [2024-10-31 22:12:21,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#10 [2024-10-31 22:12:21,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#11 [2024-10-31 22:12:21,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#12 [2024-10-31 22:12:21,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#13 [2024-10-31 22:12:21,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#14 [2024-10-31 22:12:21,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#15 [2024-10-31 22:12:21,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#16 [2024-10-31 22:12:21,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#17 [2024-10-31 22:12:21,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#18 [2024-10-31 22:12:21,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#19 [2024-10-31 22:12:21,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:12:21,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-31 22:12:21,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-31 22:12:21,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-31 22:12:21,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-31 22:12:21,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-31 22:12:21,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-31 22:12:21,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-31 22:12:21,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-31 22:12:21,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-31 22:12:21,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-31 22:12:21,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-31 22:12:21,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-31 22:12:21,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-10-31 22:12:21,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-10-31 22:12:21,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-10-31 22:12:21,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-10-31 22:12:21,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-10-31 22:12:21,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-10-31 22:12:21,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-10-31 22:12:21,957 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg [2024-10-31 22:12:21,957 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg [2024-10-31 22:12:22,681 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:12:22,683 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:12:28,797 INFO L? ?]: Removed 458 outVars from TransFormulas that were not future-live. [2024-10-31 22:12:28,797 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:12:28,830 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:12:28,834 INFO L316 CfgBuilder]: Removed 14 assume(true) statements. [2024-10-31 22:12:28,835 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:12:28 BoogieIcfgContainer [2024-10-31 22:12:28,835 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:12:28,839 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:12:28,841 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:12:28,845 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:12:28,846 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:12:18" (1/3) ... [2024-10-31 22:12:28,847 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c5f992c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:12:28, skipping insertion in model container [2024-10-31 22:12:28,847 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:21" (2/3) ... [2024-10-31 22:12:28,847 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c5f992c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:12:28, skipping insertion in model container [2024-10-31 22:12:28,848 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:12:28" (3/3) ... [2024-10-31 22:12:28,849 INFO L112 eAbstractionObserver]: Analyzing ICFG printf-3.i [2024-10-31 22:12:28,870 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:12:28,870 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2024-10-31 22:12:28,983 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:12:28,990 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6a757d92, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:12:28,991 INFO L334 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2024-10-31 22:12:28,997 INFO L276 IsEmpty]: Start isEmpty. Operand has 371 states, 310 states have (on average 1.5612903225806452) internal successors, (484), 325 states have internal predecessors, (484), 34 states have call successors, (34), 12 states have call predecessors, (34), 12 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-10-31 22:12:29,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-10-31 22:12:29,012 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:12:29,013 INFO L215 NwaCegarLoop]: trace 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] [2024-10-31 22:12:29,013 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting print_direcErr0ASSERT_VIOLATIONERROR_FUNCTION === [print_direcErr0ASSERT_VIOLATIONERROR_FUNCTION, print_direcErr1ASSERT_VIOLATIONERROR_FUNCTION, print_direcErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2024-10-31 22:12:29,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:12:29,018 INFO L85 PathProgramCache]: Analyzing trace with hash -346748855, now seen corresponding path program 1 times [2024-10-31 22:12:29,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:12:29,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084365705] [2024-10-31 22:12:29,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:29,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:12:30,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:31,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-31 22:12:31,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:31,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:12:31,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:12:31,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084365705] [2024-10-31 22:12:31,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084365705] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:12:31,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:12:31,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:12:31,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180666624] [2024-10-31 22:12:31,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:12:31,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:12:31,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:12:31,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:12:31,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:12:31,573 INFO L87 Difference]: Start difference. First operand has 371 states, 310 states have (on average 1.5612903225806452) internal successors, (484), 325 states have internal predecessors, (484), 34 states have call successors, (34), 12 states have call predecessors, (34), 12 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-31 22:12:31,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:12:31,710 INFO L93 Difference]: Finished difference Result 739 states and 1121 transitions. [2024-10-31 22:12:31,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:12:31,716 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 45 [2024-10-31 22:12:31,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:12:31,735 INFO L225 Difference]: With dead ends: 739 [2024-10-31 22:12:31,735 INFO L226 Difference]: Without dead ends: 357 [2024-10-31 22:12:31,745 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:12:31,751 INFO L432 NwaCegarLoop]: 507 mSDtfsCounter, 1 mSDsluCounter, 503 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1010 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:12:31,757 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1010 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:12:31,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2024-10-31 22:12:31,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 356. [2024-10-31 22:12:31,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 298 states have (on average 1.4228187919463087) internal successors, (424), 312 states have internal predecessors, (424), 32 states have call successors, (32), 12 states have call predecessors, (32), 12 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-31 22:12:31,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 488 transitions. [2024-10-31 22:12:31,853 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 488 transitions. Word has length 45 [2024-10-31 22:12:31,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:12:31,855 INFO L471 AbstractCegarLoop]: Abstraction has 356 states and 488 transitions. [2024-10-31 22:12:31,856 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-31 22:12:31,856 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 488 transitions. [2024-10-31 22:12:31,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-10-31 22:12:31,861 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:12:31,862 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:12:31,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:12:31,862 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting print_direcErr0ASSERT_VIOLATIONERROR_FUNCTION === [print_direcErr0ASSERT_VIOLATIONERROR_FUNCTION, print_direcErr1ASSERT_VIOLATIONERROR_FUNCTION, print_direcErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2024-10-31 22:12:31,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:12:31,863 INFO L85 PathProgramCache]: Analyzing trace with hash 1516390207, now seen corresponding path program 1 times [2024-10-31 22:12:31,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:12:31,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594508177] [2024-10-31 22:12:31,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:31,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:12:32,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:33,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-31 22:12:33,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:33,620 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:12:33,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:12:33,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594508177] [2024-10-31 22:12:33,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594508177] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:12:33,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [957321235] [2024-10-31 22:12:33,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:33,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:12:33,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c67531-8292-48cc-97b8-1474bd854428/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:12:33,628 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c67531-8292-48cc-97b8-1474bd854428/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:12:33,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c67531-8292-48cc-97b8-1474bd854428/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-31 22:12:35,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:35,402 INFO L255 TraceCheckSpWp]: Trace formula consists of 2192 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-31 22:12:35,411 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:12:35,493 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:12:35,493 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:12:35,603 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:12:35,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [957321235] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:12:35,604 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:12:35,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-10-31 22:12:35,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117171588] [2024-10-31 22:12:35,605 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:12:35,606 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-31 22:12:35,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:12:35,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-31 22:12:35,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-31 22:12:35,608 INFO L87 Difference]: Start difference. First operand 356 states and 488 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-31 22:12:35,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:12:35,749 INFO L93 Difference]: Finished difference Result 713 states and 979 transitions. [2024-10-31 22:12:35,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:12:35,751 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 51 [2024-10-31 22:12:35,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:12:35,754 INFO L225 Difference]: With dead ends: 713 [2024-10-31 22:12:35,759 INFO L226 Difference]: Without dead ends: 362 [2024-10-31 22:12:35,760 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-31 22:12:35,763 INFO L432 NwaCegarLoop]: 485 mSDtfsCounter, 2 mSDsluCounter, 482 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 967 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:12:35,764 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 967 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:12:35,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2024-10-31 22:12:35,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 362. [2024-10-31 22:12:35,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 304 states have (on average 1.4144736842105263) internal successors, (430), 318 states have internal predecessors, (430), 32 states have call successors, (32), 12 states have call predecessors, (32), 12 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-31 22:12:35,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 494 transitions. [2024-10-31 22:12:35,801 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 494 transitions. Word has length 51 [2024-10-31 22:12:35,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:12:35,801 INFO L471 AbstractCegarLoop]: Abstraction has 362 states and 494 transitions. [2024-10-31 22:12:35,801 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-31 22:12:35,805 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 494 transitions. [2024-10-31 22:12:35,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-10-31 22:12:35,808 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:12:35,808 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:12:35,837 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c67531-8292-48cc-97b8-1474bd854428/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-31 22:12:36,013 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c67531-8292-48cc-97b8-1474bd854428/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-10-31 22:12:36,013 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting print_direcErr0ASSERT_VIOLATIONERROR_FUNCTION === [print_direcErr0ASSERT_VIOLATIONERROR_FUNCTION, print_direcErr1ASSERT_VIOLATIONERROR_FUNCTION, print_direcErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2024-10-31 22:12:36,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:12:36,014 INFO L85 PathProgramCache]: Analyzing trace with hash -1858683399, now seen corresponding path program 2 times [2024-10-31 22:12:36,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:12:36,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350508919] [2024-10-31 22:12:36,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:36,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:12:37,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:37,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-31 22:12:37,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:37,958 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-31 22:12:37,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:12:37,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350508919] [2024-10-31 22:12:37,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350508919] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:12:37,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:12:37,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:12:37,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93499375] [2024-10-31 22:12:37,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:12:37,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 22:12:37,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:12:37,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 22:12:37,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:12:37,962 INFO L87 Difference]: Start difference. First operand 362 states and 494 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-31 22:12:38,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:12:38,274 INFO L93 Difference]: Finished difference Result 691 states and 946 transitions. [2024-10-31 22:12:38,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 22:12:38,276 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 57 [2024-10-31 22:12:38,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:12:38,279 INFO L225 Difference]: With dead ends: 691 [2024-10-31 22:12:38,279 INFO L226 Difference]: Without dead ends: 362 [2024-10-31 22:12:38,281 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:12:38,282 INFO L432 NwaCegarLoop]: 484 mSDtfsCounter, 1 mSDsluCounter, 1410 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1894 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-31 22:12:38,283 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1894 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-31 22:12:38,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2024-10-31 22:12:38,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 362. [2024-10-31 22:12:38,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 304 states have (on average 1.4111842105263157) internal successors, (429), 318 states have internal predecessors, (429), 32 states have call successors, (32), 12 states have call predecessors, (32), 12 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-31 22:12:38,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 493 transitions. [2024-10-31 22:12:38,312 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 493 transitions. Word has length 57 [2024-10-31 22:12:38,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:12:38,314 INFO L471 AbstractCegarLoop]: Abstraction has 362 states and 493 transitions. [2024-10-31 22:12:38,314 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-31 22:12:38,315 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 493 transitions. [2024-10-31 22:12:38,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-10-31 22:12:38,317 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:12:38,317 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:12:38,317 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 22:12:38,318 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting print_direcErr0ASSERT_VIOLATIONERROR_FUNCTION === [print_direcErr0ASSERT_VIOLATIONERROR_FUNCTION, print_direcErr1ASSERT_VIOLATIONERROR_FUNCTION, print_direcErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2024-10-31 22:12:38,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:12:38,318 INFO L85 PathProgramCache]: Analyzing trace with hash -962454745, now seen corresponding path program 1 times [2024-10-31 22:12:38,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:12:38,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233350084] [2024-10-31 22:12:38,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:38,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:12:39,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:40,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-31 22:12:40,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:40,184 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-31 22:12:40,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:12:40,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233350084] [2024-10-31 22:12:40,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233350084] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:12:40,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:12:40,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:12:40,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267055998] [2024-10-31 22:12:40,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:12:40,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 22:12:40,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:12:40,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 22:12:40,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:12:40,191 INFO L87 Difference]: Start difference. First operand 362 states and 493 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-31 22:12:40,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:12:40,748 INFO L93 Difference]: Finished difference Result 763 states and 1054 transitions. [2024-10-31 22:12:40,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:12:40,750 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 58 [2024-10-31 22:12:40,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:12:40,753 INFO L225 Difference]: With dead ends: 763 [2024-10-31 22:12:40,753 INFO L226 Difference]: Without dead ends: 436 [2024-10-31 22:12:40,755 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-31 22:12:40,756 INFO L432 NwaCegarLoop]: 525 mSDtfsCounter, 82 mSDsluCounter, 1476 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 2001 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-31 22:12:40,757 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 2001 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-31 22:12:40,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2024-10-31 22:12:40,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 422. [2024-10-31 22:12:40,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 360 states have (on average 1.4194444444444445) internal successors, (511), 374 states have internal predecessors, (511), 36 states have call successors, (36), 12 states have call predecessors, (36), 12 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-10-31 22:12:40,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 583 transitions. [2024-10-31 22:12:40,778 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 583 transitions. Word has length 58 [2024-10-31 22:12:40,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:12:40,778 INFO L471 AbstractCegarLoop]: Abstraction has 422 states and 583 transitions. [2024-10-31 22:12:40,779 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-31 22:12:40,779 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 583 transitions. [2024-10-31 22:12:40,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-10-31 22:12:40,781 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:12:40,781 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:12:40,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-31 22:12:40,782 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting print_direcErr0ASSERT_VIOLATIONERROR_FUNCTION === [print_direcErr0ASSERT_VIOLATIONERROR_FUNCTION, print_direcErr1ASSERT_VIOLATIONERROR_FUNCTION, print_direcErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2024-10-31 22:12:40,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:12:40,782 INFO L85 PathProgramCache]: Analyzing trace with hash -1068450395, now seen corresponding path program 1 times [2024-10-31 22:12:40,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:12:40,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334296655] [2024-10-31 22:12:40,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:40,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:12:41,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:42,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-31 22:12:42,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:42,615 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:12:42,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:12:42,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334296655] [2024-10-31 22:12:42,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334296655] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:12:42,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [28607276] [2024-10-31 22:12:42,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:42,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:12:42,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c67531-8292-48cc-97b8-1474bd854428/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:12:42,619 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c67531-8292-48cc-97b8-1474bd854428/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:12:42,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c67531-8292-48cc-97b8-1474bd854428/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-31 22:12:44,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:44,624 INFO L255 TraceCheckSpWp]: Trace formula consists of 2250 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-31 22:12:44,632 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:12:44,730 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:12:44,732 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:12:45,003 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:12:45,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [28607276] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:12:45,004 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:12:45,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2024-10-31 22:12:45,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657841850] [2024-10-31 22:12:45,005 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:12:45,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-31 22:12:45,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:12:45,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-31 22:12:45,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-10-31 22:12:45,008 INFO L87 Difference]: Start difference. First operand 422 states and 583 transitions. Second operand has 13 states, 13 states have (on average 5.461538461538462) internal successors, (71), 13 states have internal predecessors, (71), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-31 22:12:45,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:12:45,199 INFO L93 Difference]: Finished difference Result 845 states and 1172 transitions. [2024-10-31 22:12:45,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-31 22:12:45,200 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.461538461538462) internal successors, (71), 13 states have internal predecessors, (71), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 58 [2024-10-31 22:12:45,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:12:45,204 INFO L225 Difference]: With dead ends: 845 [2024-10-31 22:12:45,204 INFO L226 Difference]: Without dead ends: 434 [2024-10-31 22:12:45,206 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-10-31 22:12:45,207 INFO L432 NwaCegarLoop]: 484 mSDtfsCounter, 2 mSDsluCounter, 1924 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2408 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:12:45,208 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2408 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:12:45,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2024-10-31 22:12:45,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 434. [2024-10-31 22:12:45,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 372 states have (on average 1.4059139784946237) internal successors, (523), 386 states have internal predecessors, (523), 36 states have call successors, (36), 12 states have call predecessors, (36), 12 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-10-31 22:12:45,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 595 transitions. [2024-10-31 22:12:45,233 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 595 transitions. Word has length 58 [2024-10-31 22:12:45,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:12:45,234 INFO L471 AbstractCegarLoop]: Abstraction has 434 states and 595 transitions. [2024-10-31 22:12:45,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.461538461538462) internal successors, (71), 13 states have internal predecessors, (71), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-31 22:12:45,235 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 595 transitions. [2024-10-31 22:12:45,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-10-31 22:12:45,237 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:12:45,237 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:12:45,268 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c67531-8292-48cc-97b8-1474bd854428/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-31 22:12:45,440 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77c67531-8292-48cc-97b8-1474bd854428/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:12:45,441 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting print_direcErr0ASSERT_VIOLATIONERROR_FUNCTION === [print_direcErr0ASSERT_VIOLATIONERROR_FUNCTION, print_direcErr1ASSERT_VIOLATIONERROR_FUNCTION, print_direcErr2ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2024-10-31 22:12:45,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:12:45,441 INFO L85 PathProgramCache]: Analyzing trace with hash 252045617, now seen corresponding path program 2 times [2024-10-31 22:12:45,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:12:45,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778363750] [2024-10-31 22:12:45,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:45,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms