./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_3ac32948-4f8f-42f6-994e-066d848412b5/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac32948-4f8f-42f6-994e-066d848412b5/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac32948-4f8f-42f6-994e-066d848412b5/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac32948-4f8f-42f6-994e-066d848412b5/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac32948-4f8f-42f6-994e-066d848412b5/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac32948-4f8f-42f6-994e-066d848412b5/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 46eaa86a058d5f8f9ac1a5b9efbcb664547df2e8af2d76b8a7d936d3418cf7e2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:03:30,541 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:03:30,633 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac32948-4f8f-42f6-994e-066d848412b5/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 20:03:30,647 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:03:30,648 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:03:30,672 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:03:30,673 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:03:30,674 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:03:30,675 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:03:30,675 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:03:30,676 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:03:30,677 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:03:30,677 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:03:30,678 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:03:30,679 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:03:30,679 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:03:30,680 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:03:30,680 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:03:30,681 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:03:30,682 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:03:30,682 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:03:30,683 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:03:30,684 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:03:30,684 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:03:30,685 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:03:30,685 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:03:30,686 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:03:30,686 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:03:30,687 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:03:30,687 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:03:30,688 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:03:30,688 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:03:30,689 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_3ac32948-4f8f-42f6-994e-066d848412b5/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac32948-4f8f-42f6-994e-066d848412b5/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 46eaa86a058d5f8f9ac1a5b9efbcb664547df2e8af2d76b8a7d936d3418cf7e2 [2023-11-23 20:03:31,046 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:03:31,079 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:03:31,081 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:03:31,083 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:03:31,083 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:03:31,085 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac32948-4f8f-42f6-994e-066d848412b5/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2023-11-23 20:03:34,217 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:03:34,739 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:03:34,740 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac32948-4f8f-42f6-994e-066d848412b5/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2023-11-23 20:03:34,781 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac32948-4f8f-42f6-994e-066d848412b5/bin/ukojak-verify-1t5iHCbJaC/data/5e066d444/f3586bb86044460bb9c14e84c14c6afd/FLAGf8b004dbf [2023-11-23 20:03:34,799 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac32948-4f8f-42f6-994e-066d848412b5/bin/ukojak-verify-1t5iHCbJaC/data/5e066d444/f3586bb86044460bb9c14e84c14c6afd [2023-11-23 20:03:34,806 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:03:34,809 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:03:34,812 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:03:34,812 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:03:34,817 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:03:34,820 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:03:34" (1/1) ... [2023-11-23 20:03:34,821 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c9437b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:34, skipping insertion in model container [2023-11-23 20:03:34,822 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:03:34" (1/1) ... [2023-11-23 20:03:34,982 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:03:36,456 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:03:36,483 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:03:36,626 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:03:36,908 WARN L675 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:03:36,909 WARN L675 CHandler]: The function strerror is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:03:36,909 WARN L675 CHandler]: The function strtoul is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:03:36,917 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:03:36,918 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:36 WrapperNode [2023-11-23 20:03:36,918 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:03:36,919 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:03:36,920 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:03:36,920 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:03:36,930 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:36" (1/1) ... [2023-11-23 20:03:37,013 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:36" (1/1) ... [2023-11-23 20:03:37,095 INFO L138 Inliner]: procedures = 575, calls = 398, calls flagged for inlining = 29, calls inlined = 27, statements flattened = 1680 [2023-11-23 20:03:37,096 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:03:37,097 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:03:37,097 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:03:37,097 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:03:37,107 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:36" (1/1) ... [2023-11-23 20:03:37,107 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:36" (1/1) ... [2023-11-23 20:03:37,121 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:36" (1/1) ... [2023-11-23 20:03:37,122 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:36" (1/1) ... [2023-11-23 20:03:37,176 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:36" (1/1) ... [2023-11-23 20:03:37,190 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:36" (1/1) ... [2023-11-23 20:03:37,216 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:36" (1/1) ... [2023-11-23 20:03:37,240 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:36" (1/1) ... [2023-11-23 20:03:37,266 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:03:37,267 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:03:37,268 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:03:37,268 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:03:37,269 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:03:36" (1/1) ... [2023-11-23 20:03:37,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:03:37,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac32948-4f8f-42f6-994e-066d848412b5/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:03:37,302 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac32948-4f8f-42f6-994e-066d848412b5/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:03:37,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ac32948-4f8f-42f6-994e-066d848412b5/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:03:37,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc [2023-11-23 20:03:37,349 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc [2023-11-23 20:03:37,350 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2023-11-23 20:03:37,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:03:37,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 20:03:37,351 INFO L130 BoogieDeclarations]: Found specification of procedure bb_verror_msg [2023-11-23 20:03:37,352 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_verror_msg [2023-11-23 20:03:37,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 20:03:37,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:03:37,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:03:37,353 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-11-23 20:03:37,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:03:37,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 20:03:37,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:03:37,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:03:37,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-23 20:03:37,354 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-23 20:03:37,355 INFO L130 BoogieDeclarations]: Found specification of procedure xmalloc [2023-11-23 20:03:37,355 INFO L138 BoogieDeclarations]: Found implementation of procedure xmalloc [2023-11-23 20:03:37,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 20:03:37,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 20:03:37,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 20:03:37,357 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 20:03:37,358 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:03:37,358 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:03:37,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:03:37,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 20:03:37,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 20:03:37,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:03:37,359 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2023-11-23 20:03:37,360 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg_and_die [2023-11-23 20:03:37,360 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg_and_die [2023-11-23 20:03:37,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:03:37,825 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:03:37,830 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:03:39,489 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:03:40,083 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:03:40,083 INFO L309 CfgBuilder]: Removed 28 assume(true) statements. [2023-11-23 20:03:40,085 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:03:40 BoogieIcfgContainer [2023-11-23 20:03:40,086 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:03:40,087 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:03:40,087 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:03:40,097 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:03:40,098 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:03:40" (1/1) ... [2023-11-23 20:03:40,107 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:03:40,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:40,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 377 states and 527 transitions. [2023-11-23 20:03:40,179 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 527 transitions. [2023-11-23 20:03:40,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:03:40,184 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:40,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:40,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:40,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:03:40,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:40,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 379 states and 530 transitions. [2023-11-23 20:03:40,934 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 530 transitions. [2023-11-23 20:03:40,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:03:40,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:40,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:40,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:41,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:03:41,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:41,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 380 states and 531 transitions. [2023-11-23 20:03:41,080 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 531 transitions. [2023-11-23 20:03:41,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:03:41,080 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:41,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:41,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:41,325 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:03:41,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:41,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 382 states and 534 transitions. [2023-11-23 20:03:41,382 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 534 transitions. [2023-11-23 20:03:41,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:03:41,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:41,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:41,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:41,536 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:03:41,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:41,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 381 states and 533 transitions. [2023-11-23 20:03:41,618 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 533 transitions. [2023-11-23 20:03:41,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:03:41,619 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:41,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:41,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:41,832 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:03:41,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:41,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 382 states and 534 transitions. [2023-11-23 20:03:41,896 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 534 transitions. [2023-11-23 20:03:41,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:03:41,897 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:41,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:41,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:42,110 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:03:42,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:42,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 381 states and 533 transitions. [2023-11-23 20:03:42,247 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 533 transitions. [2023-11-23 20:03:42,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:03:42,248 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:42,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:42,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:42,406 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-23 20:03:42,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:42,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 380 states and 532 transitions. [2023-11-23 20:03:42,455 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 532 transitions. [2023-11-23 20:03:42,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:03:42,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:42,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:42,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:42,683 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:03:42,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:42,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 383 states and 535 transitions. [2023-11-23 20:03:42,904 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 535 transitions. [2023-11-23 20:03:42,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:03:42,904 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:42,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:42,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:43,169 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:03:43,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:43,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 386 states and 538 transitions. [2023-11-23 20:03:43,336 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 538 transitions. [2023-11-23 20:03:43,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:03:43,337 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:43,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:43,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:43,617 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:03:43,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:43,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 389 states and 541 transitions. [2023-11-23 20:03:43,827 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 541 transitions. [2023-11-23 20:03:43,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:03:43,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:43,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:43,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:44,089 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:03:44,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:44,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 392 states and 544 transitions. [2023-11-23 20:03:44,291 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 544 transitions. [2023-11-23 20:03:44,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:03:44,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:44,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:44,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:44,638 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:03:44,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:44,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 395 states and 547 transitions. [2023-11-23 20:03:44,867 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 547 transitions. [2023-11-23 20:03:44,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:03:44,868 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:44,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:44,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:45,227 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:03:45,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:45,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 398 states and 550 transitions. [2023-11-23 20:03:45,480 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 550 transitions. [2023-11-23 20:03:45,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:03:45,481 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:45,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:45,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:45,877 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:03:46,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:46,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 401 states and 553 transitions. [2023-11-23 20:03:46,122 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 553 transitions. [2023-11-23 20:03:46,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:03:46,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:46,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:46,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:46,494 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:03:46,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:46,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 404 states and 555 transitions. [2023-11-23 20:03:46,664 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 555 transitions. [2023-11-23 20:03:46,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-23 20:03:46,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:46,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:46,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:47,094 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:03:47,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:47,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 403 states and 554 transitions. [2023-11-23 20:03:47,320 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 554 transitions. [2023-11-23 20:03:47,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-23 20:03:47,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:47,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:47,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:47,507 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:03:47,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:47,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 402 states and 553 transitions. [2023-11-23 20:03:47,534 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 553 transitions. [2023-11-23 20:03:47,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-23 20:03:47,535 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:47,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:47,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:47,730 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:03:47,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:47,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 401 states and 552 transitions. [2023-11-23 20:03:47,875 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 552 transitions. [2023-11-23 20:03:47,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-23 20:03:47,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:47,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:47,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:48,092 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:03:48,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:48,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 403 states and 555 transitions. [2023-11-23 20:03:48,172 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 555 transitions. [2023-11-23 20:03:48,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 20:03:48,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:48,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:48,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:48,378 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:03:48,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:48,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 406 states and 559 transitions. [2023-11-23 20:03:48,451 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 559 transitions. [2023-11-23 20:03:48,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 20:03:48,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:48,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:48,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:48,652 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:03:48,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:48,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 407 states and 560 transitions. [2023-11-23 20:03:48,681 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 560 transitions. [2023-11-23 20:03:48,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-23 20:03:48,682 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:48,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:48,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:48,872 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:03:48,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:48,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 408 states and 561 transitions. [2023-11-23 20:03:48,897 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 561 transitions. [2023-11-23 20:03:48,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-23 20:03:48,897 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:48,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:48,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:49,137 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:03:49,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:49,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 410 states and 564 transitions. [2023-11-23 20:03:49,301 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 564 transitions. [2023-11-23 20:03:49,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-23 20:03:49,301 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:49,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:49,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:49,529 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-23 20:03:50,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:50,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 416 states and 575 transitions. [2023-11-23 20:03:50,041 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 575 transitions. [2023-11-23 20:03:50,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-23 20:03:50,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:50,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:50,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:50,274 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-23 20:03:50,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:50,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 415 states and 574 transitions. [2023-11-23 20:03:50,580 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 574 transitions. [2023-11-23 20:03:50,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-23 20:03:50,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:50,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:50,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:50,779 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-23 20:03:50,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:50,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 416 states and 575 transitions. [2023-11-23 20:03:50,805 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 575 transitions. [2023-11-23 20:03:50,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-23 20:03:50,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:50,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:50,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:51,054 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:03:51,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:51,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 419 states and 580 transitions. [2023-11-23 20:03:51,274 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 580 transitions. [2023-11-23 20:03:51,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-23 20:03:51,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:51,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:51,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:51,517 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:03:51,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:51,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 423 states and 585 transitions. [2023-11-23 20:03:51,826 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 585 transitions. [2023-11-23 20:03:51,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-23 20:03:51,827 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:51,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:51,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:52,000 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2023-11-23 20:03:52,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:52,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 425 states and 588 transitions. [2023-11-23 20:03:52,451 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 588 transitions. [2023-11-23 20:03:52,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-23 20:03:52,454 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:52,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:52,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:52,788 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-11-23 20:03:53,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:53,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 427 states and 592 transitions. [2023-11-23 20:03:53,307 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 592 transitions. [2023-11-23 20:03:53,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-23 20:03:53,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:53,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:53,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:53,549 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:03:53,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:53,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 431 states and 597 transitions. [2023-11-23 20:03:53,654 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 597 transitions. [2023-11-23 20:03:53,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-23 20:03:53,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:53,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:53,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:53,941 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-11-23 20:03:54,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:54,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 430 states and 596 transitions. [2023-11-23 20:03:54,387 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 596 transitions. [2023-11-23 20:03:54,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-23 20:03:54,388 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:54,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:54,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:54,645 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2023-11-23 20:03:54,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:54,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 427 states and 591 transitions. [2023-11-23 20:03:54,943 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 591 transitions. [2023-11-23 20:03:54,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-23 20:03:54,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:54,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:55,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:55,129 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2023-11-23 20:03:55,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:55,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 429 states and 592 transitions. [2023-11-23 20:03:55,425 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 592 transitions. [2023-11-23 20:03:55,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-23 20:03:55,426 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:55,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:55,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:55,723 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:03:55,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:55,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 428 states and 591 transitions. [2023-11-23 20:03:55,824 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 591 transitions. [2023-11-23 20:03:55,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-23 20:03:55,824 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:55,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:55,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:56,153 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:03:56,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:56,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 432 states and 596 transitions. [2023-11-23 20:03:56,381 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 596 transitions. [2023-11-23 20:03:56,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-23 20:03:56,382 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:56,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:56,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:56,640 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-11-23 20:03:56,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:56,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 433 states and 597 transitions. [2023-11-23 20:03:56,978 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 597 transitions. [2023-11-23 20:03:56,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-23 20:03:56,978 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:56,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:57,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:57,258 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:03:57,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:57,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 435 states and 599 transitions. [2023-11-23 20:03:57,500 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 599 transitions. [2023-11-23 20:03:57,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-23 20:03:57,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:57,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:57,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:57,798 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-11-23 20:03:58,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:58,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 436 states and 600 transitions. [2023-11-23 20:03:58,088 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 600 transitions. [2023-11-23 20:03:58,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-23 20:03:58,089 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:58,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:58,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:58,257 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:03:58,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:58,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 439 states and 604 transitions. [2023-11-23 20:03:58,861 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 604 transitions. [2023-11-23 20:03:58,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-23 20:03:58,861 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:58,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:58,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:59,170 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:03:59,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:59,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 443 states and 609 transitions. [2023-11-23 20:03:59,434 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 609 transitions. [2023-11-23 20:03:59,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-23 20:03:59,434 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:59,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:59,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:59,644 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:03:59,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:59,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 444 states and 610 transitions. [2023-11-23 20:03:59,669 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 610 transitions. [2023-11-23 20:03:59,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-23 20:03:59,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:59,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:59,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:59,846 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:03:59,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:59,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 446 states and 613 transitions. [2023-11-23 20:03:59,863 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 613 transitions. [2023-11-23 20:03:59,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-23 20:03:59,864 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:59,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:59,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:00,178 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2023-11-23 20:04:02,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:02,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 455 states and 628 transitions. [2023-11-23 20:04:02,292 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 628 transitions. [2023-11-23 20:04:02,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-23 20:04:02,293 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:02,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:02,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:02,592 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:04:02,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:02,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 454 states and 626 transitions. [2023-11-23 20:04:02,736 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 626 transitions. [2023-11-23 20:04:02,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-23 20:04:02,737 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:02,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:02,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:03,029 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:04:03,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:03,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 453 states and 625 transitions. [2023-11-23 20:04:03,159 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 625 transitions. [2023-11-23 20:04:03,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-23 20:04:03,160 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:03,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:03,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:03,497 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2023-11-23 20:04:05,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:05,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 463 states and 640 transitions. [2023-11-23 20:04:05,577 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 640 transitions. [2023-11-23 20:04:05,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-23 20:04:05,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:05,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:05,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:05,834 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:04:06,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:06,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 462 states and 639 transitions. [2023-11-23 20:04:06,121 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 639 transitions. [2023-11-23 20:04:06,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-23 20:04:06,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:06,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:06,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:06,257 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:04:06,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:06,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 461 states and 638 transitions. [2023-11-23 20:04:06,282 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 638 transitions. [2023-11-23 20:04:06,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-23 20:04:06,284 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:06,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:06,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:06,546 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:04:06,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:06,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 460 states and 637 transitions. [2023-11-23 20:04:06,865 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 637 transitions. [2023-11-23 20:04:06,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-23 20:04:06,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:06,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:06,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:07,254 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:04:07,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:07,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 464 states and 642 transitions. [2023-11-23 20:04:07,588 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 642 transitions. [2023-11-23 20:04:07,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-23 20:04:07,590 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:07,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:07,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:07,731 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:04:07,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:07,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 463 states and 641 transitions. [2023-11-23 20:04:07,756 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 641 transitions. [2023-11-23 20:04:07,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-23 20:04:07,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:07,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:07,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:07,943 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-11-23 20:04:07,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:07,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 464 states and 641 transitions. [2023-11-23 20:04:07,962 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 641 transitions. [2023-11-23 20:04:07,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-23 20:04:07,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:07,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:08,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:08,440 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:04:09,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:09,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 468 states and 646 transitions. [2023-11-23 20:04:09,115 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 646 transitions. [2023-11-23 20:04:09,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-23 20:04:09,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:09,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:09,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:09,363 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-11-23 20:04:09,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:09,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 470 states and 647 transitions. [2023-11-23 20:04:09,780 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 647 transitions. [2023-11-23 20:04:09,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-23 20:04:09,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:09,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:09,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:10,022 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-11-23 20:04:10,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:10,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 472 states and 648 transitions. [2023-11-23 20:04:10,466 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 648 transitions. [2023-11-23 20:04:10,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-23 20:04:10,467 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:10,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:10,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:10,571 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:04:10,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:10,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 472 states and 644 transitions. [2023-11-23 20:04:10,593 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 644 transitions. [2023-11-23 20:04:10,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-23 20:04:10,594 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:10,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:10,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:11,349 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-11-23 20:04:11,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:11,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 474 states and 648 transitions. [2023-11-23 20:04:11,674 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 648 transitions. [2023-11-23 20:04:11,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-23 20:04:11,676 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:11,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:11,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:12,301 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-11-23 20:04:12,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:12,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 475 states and 650 transitions. [2023-11-23 20:04:12,796 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 650 transitions. [2023-11-23 20:04:12,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-23 20:04:12,797 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:12,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:12,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:13,214 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:04:13,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:04:13,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 479 states and 655 transitions. [2023-11-23 20:04:13,590 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 655 transitions. [2023-11-23 20:04:13,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-23 20:04:13,591 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:04:13,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:04:13,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:04:14,657 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked.