./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 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec5f5f4-b561-479a-a438-f54971d0e5ec/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec5f5f4-b561-479a-a438-f54971d0e5ec/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec5f5f4-b561-479a-a438-f54971d0e5ec/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec5f5f4-b561-479a-a438-f54971d0e5ec/bin/ukojak-verify-G8NBE6pJGL/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_6ec5f5f4-b561-479a-a438-f54971d0e5ec/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec5f5f4-b561-479a-a438-f54971d0e5ec/bin/ukojak-verify-G8NBE6pJGL --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 0.2.3-dev-9bd2c7f [2023-11-19 03:40:29,882 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:40:29,980 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec5f5f4-b561-479a-a438-f54971d0e5ec/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-19 03:40:29,984 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:40:29,985 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:40:30,012 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:40:30,013 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:40:30,013 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:40:30,014 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:40:30,015 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:40:30,016 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:40:30,016 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:40:30,017 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:40:30,017 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:40:30,018 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:40:30,019 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:40:30,019 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:40:30,020 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:40:30,020 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:40:30,021 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:40:30,022 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:40:30,022 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:40:30,023 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:40:30,024 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:40:30,024 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:40:30,025 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:40:30,026 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:40:30,026 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:40:30,027 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:40:30,027 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:40:30,028 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_6ec5f5f4-b561-479a-a438-f54971d0e5ec/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec5f5f4-b561-479a-a438-f54971d0e5ec/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d9b118296c3c6ba241fa831bfdb5289a0072e9871a56ce58ee16beb68bb5aa55 [2023-11-19 03:40:30,261 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:40:30,292 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:40:30,295 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:40:30,298 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:40:30,298 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:40:30,300 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec5f5f4-b561-479a-a438-f54971d0e5ec/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i [2023-11-19 03:40:33,432 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:40:34,031 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:40:34,032 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec5f5f4-b561-479a-a438-f54971d0e5ec/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i [2023-11-19 03:40:34,078 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec5f5f4-b561-479a-a438-f54971d0e5ec/bin/ukojak-verify-G8NBE6pJGL/data/f09535ea0/eb46287be7dd493e81f878af44757ad4/FLAGaaaa23042 [2023-11-19 03:40:34,096 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec5f5f4-b561-479a-a438-f54971d0e5ec/bin/ukojak-verify-G8NBE6pJGL/data/f09535ea0/eb46287be7dd493e81f878af44757ad4 [2023-11-19 03:40:34,102 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:40:34,104 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:40:34,110 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:40:34,110 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:40:34,116 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:40:34,117 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:40:34" (1/1) ... [2023-11-19 03:40:34,119 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17ba5650 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:34, skipping insertion in model container [2023-11-19 03:40:34,119 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:40:34" (1/1) ... [2023-11-19 03:40:34,239 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:40:35,236 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_6ec5f5f4-b561-479a-a438-f54971d0e5ec/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i[146121,146134] [2023-11-19 03:40:35,292 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:40:35,355 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:40:35,587 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_6ec5f5f4-b561-479a-a438-f54971d0e5ec/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i[146121,146134] [2023-11-19 03:40:35,596 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:40:35,650 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:40:35,650 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:35 WrapperNode [2023-11-19 03:40:35,651 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:40:35,652 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:40:35,652 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:40:35,652 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:40:35,660 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:35" (1/1) ... [2023-11-19 03:40:35,692 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:35" (1/1) ... [2023-11-19 03:40:35,824 INFO L138 Inliner]: procedures = 81, calls = 541, calls flagged for inlining = 37, calls inlined = 37, statements flattened = 1873 [2023-11-19 03:40:35,825 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:40:35,826 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:40:35,826 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:40:35,827 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:40:35,839 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:35" (1/1) ... [2023-11-19 03:40:35,840 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:35" (1/1) ... [2023-11-19 03:40:35,867 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:35" (1/1) ... [2023-11-19 03:40:35,877 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:35" (1/1) ... [2023-11-19 03:40:35,971 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:35" (1/1) ... [2023-11-19 03:40:35,986 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:35" (1/1) ... [2023-11-19 03:40:35,995 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:35" (1/1) ... [2023-11-19 03:40:36,005 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:35" (1/1) ... [2023-11-19 03:40:36,019 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:40:36,020 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:40:36,020 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:40:36,020 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:40:36,021 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:35" (1/1) ... [2023-11-19 03:40:36,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:40:36,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec5f5f4-b561-479a-a438-f54971d0e5ec/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:40:36,051 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec5f5f4-b561-479a-a438-f54971d0e5ec/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:40:36,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec5f5f4-b561-479a-a438-f54971d0e5ec/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:40:36,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:40:36,094 INFO L130 BoogieDeclarations]: Found specification of procedure ir_init [2023-11-19 03:40:36,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_init [2023-11-19 03:40:36,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:40:36,095 INFO L130 BoogieDeclarations]: Found specification of procedure ir_exit [2023-11-19 03:40:36,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_exit [2023-11-19 03:40:36,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:40:36,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:40:36,096 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2023-11-19 03:40:36,097 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2023-11-19 03:40:36,097 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-11-19 03:40:36,097 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-11-19 03:40:36,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 03:40:36,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 03:40:36,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2023-11-19 03:40:36,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2023-11-19 03:40:36,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:40:36,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 03:40:36,098 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 03:40:36,099 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 03:40:36,099 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 03:40:36,099 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 03:40:36,100 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-19 03:40:36,101 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-19 03:40:36,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:40:36,101 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2023-11-19 03:40:36,101 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2023-11-19 03:40:36,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2023-11-19 03:40:36,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2023-11-19 03:40:36,102 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-19 03:40:36,102 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-19 03:40:36,102 INFO L130 BoogieDeclarations]: Found specification of procedure ir_xbof_change [2023-11-19 03:40:36,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_xbof_change [2023-11-19 03:40:36,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2023-11-19 03:40:36,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2023-11-19 03:40:36,103 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2023-11-19 03:40:36,103 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2023-11-19 03:40:36,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:40:36,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:40:36,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:40:36,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:40:36,501 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:40:36,503 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:40:36,681 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2023-11-19 03:40:36,696 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-19 03:40:36,740 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume !false; [2023-11-19 03:40:36,741 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume false; [2023-11-19 03:40:36,820 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-19 03:40:36,825 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-19 03:40:36,866 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-19 03:40:38,652 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##324: assume false; [2023-11-19 03:40:38,652 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##74: assume !false; [2023-11-19 03:40:38,653 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##73: assume false; [2023-11-19 03:40:38,653 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume !false; [2023-11-19 03:40:38,654 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##24: assume false; [2023-11-19 03:40:38,654 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##325: assume !false; [2023-11-19 03:40:38,668 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:40:39,472 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:40:39,472 INFO L302 CfgBuilder]: Removed 23 assume(true) statements. [2023-11-19 03:40:39,479 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:40:39 BoogieIcfgContainer [2023-11-19 03:40:39,479 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:40:39,480 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:40:39,480 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:40:39,491 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:40:39,491 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:40:39" (1/1) ... [2023-11-19 03:40:39,500 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:40:39,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:39,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 204 states and 303 transitions. [2023-11-19 03:40:39,579 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 303 transitions. [2023-11-19 03:40:39,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:40:39,584 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:39,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:42,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:42,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:40:43,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:43,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 205 states and 301 transitions. [2023-11-19 03:40:43,138 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 301 transitions. [2023-11-19 03:40:43,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:40:43,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:43,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:45,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:45,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:40:45,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:45,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 208 states and 304 transitions. [2023-11-19 03:40:45,630 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 304 transitions. [2023-11-19 03:40:45,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:40:45,633 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:45,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:47,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:47,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:40:47,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:47,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 208 states and 303 transitions. [2023-11-19 03:40:47,642 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 303 transitions. [2023-11-19 03:40:47,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:40:47,643 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:47,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:49,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:49,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:40:49,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:49,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 212 states and 317 transitions. [2023-11-19 03:40:49,593 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 317 transitions. [2023-11-19 03:40:49,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:40:49,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:49,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:51,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:51,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:40:51,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:51,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 216 states and 331 transitions. [2023-11-19 03:40:51,572 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 331 transitions. [2023-11-19 03:40:51,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:40:51,575 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:51,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:53,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:53,351 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:40:53,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:53,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 221 states and 344 transitions. [2023-11-19 03:40:53,473 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 344 transitions. [2023-11-19 03:40:53,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:40:53,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:53,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:55,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:55,225 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:40:55,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:55,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 222 states and 344 transitions. [2023-11-19 03:40:55,245 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 344 transitions. [2023-11-19 03:40:55,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:40:55,248 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:55,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:56,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:56,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:40:56,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:56,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 222 states and 342 transitions. [2023-11-19 03:40:56,972 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 342 transitions. [2023-11-19 03:40:56,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:40:56,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:56,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:58,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:59,019 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:40:59,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:59,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 228 states and 353 transitions. [2023-11-19 03:40:59,100 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 353 transitions. [2023-11-19 03:40:59,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:40:59,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:59,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:00,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:00,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:41:01,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:01,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 236 states and 363 transitions. [2023-11-19 03:41:01,008 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 363 transitions. [2023-11-19 03:41:01,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:41:01,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:01,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:02,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:02,634 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:41:02,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:02,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 242 states and 374 transitions. [2023-11-19 03:41:02,689 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 374 transitions. [2023-11-19 03:41:02,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:41:02,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:02,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:04,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:04,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:41:04,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:04,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 250 states and 384 transitions. [2023-11-19 03:41:04,583 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 384 transitions. [2023-11-19 03:41:04,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:41:04,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:04,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:06,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:06,206 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:41:06,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:06,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 252 states and 388 transitions. [2023-11-19 03:41:06,235 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 388 transitions. [2023-11-19 03:41:06,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:41:06,238 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:06,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:07,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:08,060 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:41:08,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:08,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 254 states and 392 transitions. [2023-11-19 03:41:08,083 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 392 transitions. [2023-11-19 03:41:08,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:41:08,085 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:08,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:09,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:09,874 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:41:09,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:09,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 255 states and 393 transitions. [2023-11-19 03:41:09,890 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 393 transitions. [2023-11-19 03:41:09,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 03:41:09,895 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:09,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:11,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:12,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:41:13,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:13,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 267 states and 416 transitions. [2023-11-19 03:41:13,245 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 416 transitions. [2023-11-19 03:41:13,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:41:13,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:13,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:14,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:14,979 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:41:15,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:15,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 268 states and 417 transitions. [2023-11-19 03:41:15,004 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 417 transitions. [2023-11-19 03:41:15,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:41:15,007 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:15,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:16,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:16,921 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:41:16,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:16,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 272 states and 422 transitions. [2023-11-19 03:41:16,967 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 422 transitions. [2023-11-19 03:41:16,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 03:41:16,968 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:16,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:18,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:19,033 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:41:19,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:19,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 276 states and 429 transitions. [2023-11-19 03:41:19,065 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 429 transitions. [2023-11-19 03:41:19,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:41:19,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:19,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:20,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:20,620 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:41:20,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:20,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 280 states and 434 transitions. [2023-11-19 03:41:20,669 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 434 transitions. [2023-11-19 03:41:20,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:41:20,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:20,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:22,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:22,313 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:41:22,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:22,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 282 states and 436 transitions. [2023-11-19 03:41:22,338 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 436 transitions. [2023-11-19 03:41:22,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 03:41:22,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:22,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms