./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e59d3632-4f7c-46c4-be44-6cefa5d5e3e4/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e59d3632-4f7c-46c4-be44-6cefa5d5e3e4/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e59d3632-4f7c-46c4-be44-6cefa5d5e3e4/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e59d3632-4f7c-46c4-be44-6cefa5d5e3e4/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e59d3632-4f7c-46c4-be44-6cefa5d5e3e4/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e59d3632-4f7c-46c4-be44-6cefa5d5e3e4/bin/ukojak-verify-afCqCEvfdi --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d9b118296c3c6ba241fa831bfdb5289a0072e9871a56ce58ee16beb68bb5aa55 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:52:17,060 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:52:17,134 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e59d3632-4f7c-46c4-be44-6cefa5d5e3e4/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-24 22:52:17,140 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:52:17,140 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:52:17,165 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:52:17,166 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:52:17,167 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:52:17,168 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:52:17,168 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:52:17,169 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:52:17,170 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:52:17,170 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:52:17,171 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:52:17,171 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:52:17,172 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:52:17,173 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:52:17,173 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:52:17,174 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:52:17,175 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:52:17,175 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:52:17,176 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:52:17,177 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:52:17,177 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:52:17,178 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:52:17,178 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:52:17,179 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:52:17,180 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:52:17,180 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:52:17,181 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:52:17,181 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_e59d3632-4f7c-46c4-be44-6cefa5d5e3e4/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e59d3632-4f7c-46c4-be44-6cefa5d5e3e4/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d9b118296c3c6ba241fa831bfdb5289a0072e9871a56ce58ee16beb68bb5aa55 [2023-11-24 22:52:17,495 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:52:17,524 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:52:17,527 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:52:17,530 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:52:17,530 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:52:17,532 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e59d3632-4f7c-46c4-be44-6cefa5d5e3e4/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i [2023-11-24 22:52:20,773 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:52:21,280 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:52:21,281 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e59d3632-4f7c-46c4-be44-6cefa5d5e3e4/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i [2023-11-24 22:52:21,323 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e59d3632-4f7c-46c4-be44-6cefa5d5e3e4/bin/ukojak-verify-afCqCEvfdi/data/2a4811ec5/0e9629cbbf9c42cd91dfe5e9eb070eb6/FLAGe98d786b1 [2023-11-24 22:52:21,345 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e59d3632-4f7c-46c4-be44-6cefa5d5e3e4/bin/ukojak-verify-afCqCEvfdi/data/2a4811ec5/0e9629cbbf9c42cd91dfe5e9eb070eb6 [2023-11-24 22:52:21,352 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:52:21,354 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:52:21,357 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:52:21,357 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:52:21,362 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:52:21,365 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:52:21" (1/1) ... [2023-11-24 22:52:21,366 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fb5a002 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:21, skipping insertion in model container [2023-11-24 22:52:21,366 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:52:21" (1/1) ... [2023-11-24 22:52:21,472 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:52:22,597 WARN L240 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_e59d3632-4f7c-46c4-be44-6cefa5d5e3e4/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i[146121,146134] [2023-11-24 22:52:22,654 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:52:22,700 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:52:22,957 WARN L240 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_e59d3632-4f7c-46c4-be44-6cefa5d5e3e4/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i[146121,146134] [2023-11-24 22:52:22,968 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:52:23,052 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:52:23,052 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:23 WrapperNode [2023-11-24 22:52:23,053 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:52:23,054 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:52:23,054 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:52:23,055 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:52:23,063 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:23" (1/1) ... [2023-11-24 22:52:23,127 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:23" (1/1) ... [2023-11-24 22:52:23,249 INFO L138 Inliner]: procedures = 81, calls = 541, calls flagged for inlining = 37, calls inlined = 37, statements flattened = 1915 [2023-11-24 22:52:23,249 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:52:23,250 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:52:23,251 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:52:23,251 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:52:23,261 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:23" (1/1) ... [2023-11-24 22:52:23,261 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:23" (1/1) ... [2023-11-24 22:52:23,283 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:23" (1/1) ... [2023-11-24 22:52:23,286 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:23" (1/1) ... [2023-11-24 22:52:23,349 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:23" (1/1) ... [2023-11-24 22:52:23,362 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:23" (1/1) ... [2023-11-24 22:52:23,370 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:23" (1/1) ... [2023-11-24 22:52:23,387 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:23" (1/1) ... [2023-11-24 22:52:23,423 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:52:23,424 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:52:23,424 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:52:23,424 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:52:23,425 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:23" (1/1) ... [2023-11-24 22:52:23,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:52:23,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e59d3632-4f7c-46c4-be44-6cefa5d5e3e4/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:52:23,456 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e59d3632-4f7c-46c4-be44-6cefa5d5e3e4/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:52:23,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e59d3632-4f7c-46c4-be44-6cefa5d5e3e4/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:52:23,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:52:23,511 INFO L130 BoogieDeclarations]: Found specification of procedure ir_init [2023-11-24 22:52:23,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_init [2023-11-24 22:52:23,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 22:52:23,512 INFO L130 BoogieDeclarations]: Found specification of procedure ir_exit [2023-11-24 22:52:23,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_exit [2023-11-24 22:52:23,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:52:23,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 22:52:23,514 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2023-11-24 22:52:23,514 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2023-11-24 22:52:23,514 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-11-24 22:52:23,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-11-24 22:52:23,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-24 22:52:23,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-24 22:52:23,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2023-11-24 22:52:23,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2023-11-24 22:52:23,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:52:23,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 22:52:23,515 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-24 22:52:23,515 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-24 22:52:23,516 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-24 22:52:23,516 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-24 22:52:23,518 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-24 22:52:23,518 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-24 22:52:23,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:52:23,518 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2023-11-24 22:52:23,519 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2023-11-24 22:52:23,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2023-11-24 22:52:23,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2023-11-24 22:52:23,519 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-24 22:52:23,519 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-24 22:52:23,519 INFO L130 BoogieDeclarations]: Found specification of procedure ir_xbof_change [2023-11-24 22:52:23,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_xbof_change [2023-11-24 22:52:23,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2023-11-24 22:52:23,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2023-11-24 22:52:23,521 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2023-11-24 22:52:23,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2023-11-24 22:52:23,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:52:23,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:52:23,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:52:23,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:52:23,889 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:52:23,892 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:52:24,050 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2023-11-24 22:52:24,062 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-24 22:52:24,140 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume !false; [2023-11-24 22:52:24,140 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume false; [2023-11-24 22:52:24,267 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-24 22:52:24,272 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-24 22:52:24,307 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-24 22:52:25,735 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##324: assume false; [2023-11-24 22:52:25,735 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##74: assume !false; [2023-11-24 22:52:25,736 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##73: assume false; [2023-11-24 22:52:25,736 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume !false; [2023-11-24 22:52:25,736 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##24: assume false; [2023-11-24 22:52:25,736 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##325: assume !false; [2023-11-24 22:52:25,752 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:52:26,383 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:52:26,383 INFO L309 CfgBuilder]: Removed 23 assume(true) statements. [2023-11-24 22:52:26,385 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:52:26 BoogieIcfgContainer [2023-11-24 22:52:26,385 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:52:26,386 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:52:26,386 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:52:26,397 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:52:26,397 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:52:26" (1/1) ... [2023-11-24 22:52:26,406 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:52:26,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:26,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 204 states and 303 transitions. [2023-11-24 22:52:26,480 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 303 transitions. [2023-11-24 22:52:26,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:52:26,487 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:26,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:29,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:30,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:30,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:30,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 205 states and 301 transitions. [2023-11-24 22:52:30,195 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 301 transitions. [2023-11-24 22:52:30,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:52:30,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:30,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:32,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:32,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:32,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:32,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 208 states and 304 transitions. [2023-11-24 22:52:32,648 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 304 transitions. [2023-11-24 22:52:32,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:52:32,650 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:32,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:34,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:35,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:35,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:35,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 208 states and 303 transitions. [2023-11-24 22:52:35,026 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 303 transitions. [2023-11-24 22:52:35,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:52:35,028 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:35,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:36,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:36,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:36,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:36,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 212 states and 317 transitions. [2023-11-24 22:52:36,986 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 317 transitions. [2023-11-24 22:52:36,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:52:36,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:36,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:39,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:39,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:39,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:39,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 216 states and 331 transitions. [2023-11-24 22:52:39,469 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 331 transitions. [2023-11-24 22:52:39,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 22:52:39,474 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:39,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:41,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:41,728 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:41,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:41,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 221 states and 344 transitions. [2023-11-24 22:52:41,843 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 344 transitions. [2023-11-24 22:52:41,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 22:52:41,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:41,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:43,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:43,853 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:43,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:43,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 222 states and 344 transitions. [2023-11-24 22:52:43,874 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 344 transitions. [2023-11-24 22:52:43,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 22:52:43,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:43,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:45,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:46,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:46,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:46,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 222 states and 342 transitions. [2023-11-24 22:52:46,061 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 342 transitions. [2023-11-24 22:52:46,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:52:46,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:46,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:48,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:48,414 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:52:48,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:48,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 228 states and 353 transitions. [2023-11-24 22:52:48,502 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 353 transitions. [2023-11-24 22:52:48,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 22:52:48,505 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:48,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:50,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:50,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:50,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:50,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 236 states and 363 transitions. [2023-11-24 22:52:50,858 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 363 transitions. [2023-11-24 22:52:50,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 22:52:50,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:50,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:52,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:52,761 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:52:52,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:52,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 242 states and 374 transitions. [2023-11-24 22:52:52,831 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 374 transitions. [2023-11-24 22:52:52,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 22:52:52,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:52,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:54,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:54,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:54,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:54,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 250 states and 384 transitions. [2023-11-24 22:52:54,713 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 384 transitions. [2023-11-24 22:52:54,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 22:52:54,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:54,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:56,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:56,746 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:52:56,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:56,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 252 states and 388 transitions. [2023-11-24 22:52:56,773 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 388 transitions. [2023-11-24 22:52:56,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 22:52:56,775 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:56,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:58,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:58,765 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:52:58,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:58,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 254 states and 392 transitions. [2023-11-24 22:52:58,791 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 392 transitions. [2023-11-24 22:52:58,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 22:52:58,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:58,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:00,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:00,782 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:53:00,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:00,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 255 states and 393 transitions. [2023-11-24 22:53:00,799 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 393 transitions. [2023-11-24 22:53:00,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-24 22:53:00,800 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:00,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:02,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:03,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:04,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:04,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 267 states and 416 transitions. [2023-11-24 22:53:04,571 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 416 transitions. [2023-11-24 22:53:04,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-24 22:53:04,574 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:04,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:06,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:06,361 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:53:06,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:06,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 268 states and 417 transitions. [2023-11-24 22:53:06,382 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 417 transitions. [2023-11-24 22:53:06,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-24 22:53:06,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:06,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:08,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:08,362 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 22:53:08,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:08,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 272 states and 422 transitions. [2023-11-24 22:53:08,425 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 422 transitions. [2023-11-24 22:53:08,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-24 22:53:08,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:08,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:10,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:10,715 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 22:53:10,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:10,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 276 states and 429 transitions. [2023-11-24 22:53:10,749 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 429 transitions. [2023-11-24 22:53:10,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 22:53:10,753 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:10,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms