./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/od-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4323f7-0477-4a4b-873b-b553fef203d3/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4323f7-0477-4a4b-873b-b553fef203d3/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_5e4323f7-0477-4a4b-873b-b553fef203d3/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4323f7-0477-4a4b-873b-b553fef203d3/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/od-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4323f7-0477-4a4b-873b-b553fef203d3/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_5e4323f7-0477-4a4b-873b-b553fef203d3/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 a603c4e0191ce80b259b362c82fa9e96be30ab5d046ca0e524dbb588b300cc8d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:30:33,708 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:30:33,800 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4323f7-0477-4a4b-873b-b553fef203d3/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 20:30:33,806 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:30:33,806 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:30:33,830 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:30:33,831 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:30:33,832 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:30:33,833 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:30:33,834 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:30:33,834 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:30:33,835 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:30:33,835 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:30:33,836 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:30:33,837 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:30:33,837 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:30:33,838 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:30:33,838 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:30:33,839 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:30:33,839 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:30:33,840 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:30:33,845 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:30:33,845 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:30:33,846 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:30:33,846 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:30:33,847 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:30:33,847 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:30:33,848 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:30:33,848 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:30:33,849 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:30:33,849 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:30:33,850 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:30:33,851 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_5e4323f7-0477-4a4b-873b-b553fef203d3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4323f7-0477-4a4b-873b-b553fef203d3/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a603c4e0191ce80b259b362c82fa9e96be30ab5d046ca0e524dbb588b300cc8d [2023-11-23 20:30:34,147 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:30:34,185 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:30:34,188 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:30:34,189 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:30:34,190 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:30:34,191 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4323f7-0477-4a4b-873b-b553fef203d3/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/busybox-1.22.0/od-2.i [2023-11-23 20:30:37,325 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:30:37,893 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:30:37,895 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4323f7-0477-4a4b-873b-b553fef203d3/sv-benchmarks/c/busybox-1.22.0/od-2.i [2023-11-23 20:30:37,948 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4323f7-0477-4a4b-873b-b553fef203d3/bin/ukojak-verify-1t5iHCbJaC/data/8c3d72974/edbeab7cace446e794595f4f18729047/FLAGe8f5c9d5b [2023-11-23 20:30:37,966 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4323f7-0477-4a4b-873b-b553fef203d3/bin/ukojak-verify-1t5iHCbJaC/data/8c3d72974/edbeab7cace446e794595f4f18729047 [2023-11-23 20:30:37,971 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:30:37,974 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:30:37,977 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:30:37,977 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:30:37,982 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:30:37,982 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:30:37" (1/1) ... [2023-11-23 20:30:37,983 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f5a37f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:37, skipping insertion in model container [2023-11-23 20:30:37,985 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:30:37" (1/1) ... [2023-11-23 20:30:38,142 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:30:40,399 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:30:40,443 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:30:40,694 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:30:40,964 WARN L675 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:30:40,964 WARN L675 CHandler]: The function fopen is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:30:40,964 WARN L675 CHandler]: The function fclose is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:30:40,964 WARN L675 CHandler]: The function format_address is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:30:40,964 WARN L675 CHandler]: The function fseek is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:30:40,965 WARN L675 CHandler]: The function fread is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:30:40,965 WARN L675 CHandler]: The function strerror is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:30:40,965 WARN L675 CHandler]: The function strtoull is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:30:40,965 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:30:40,965 WARN L675 CHandler]: The function ferror is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:30:40,966 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:30:40,966 WARN L675 CHandler]: The function setbuf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:30:40,966 WARN L675 CHandler]: The function putchar is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:30:40,966 WARN L675 CHandler]: The function strtoul is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:30:40,966 WARN L675 CHandler]: The function fputs is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:30:40,967 WARN L675 CHandler]: The function fgetc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:30:40,974 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:30:40,975 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:40 WrapperNode [2023-11-23 20:30:40,975 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:30:40,976 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:30:40,977 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:30:40,977 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:30:40,983 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:40" (1/1) ... [2023-11-23 20:30:41,126 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:40" (1/1) ... [2023-11-23 20:30:41,330 INFO L138 Inliner]: procedures = 692, calls = 1684, calls flagged for inlining = 56, calls inlined = 54, statements flattened = 4646 [2023-11-23 20:30:41,331 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:30:41,332 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:30:41,332 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:30:41,332 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:30:41,342 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:40" (1/1) ... [2023-11-23 20:30:41,342 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:40" (1/1) ... [2023-11-23 20:30:41,383 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:40" (1/1) ... [2023-11-23 20:30:41,383 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:40" (1/1) ... [2023-11-23 20:30:41,509 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:40" (1/1) ... [2023-11-23 20:30:41,547 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:40" (1/1) ... [2023-11-23 20:30:41,573 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:40" (1/1) ... [2023-11-23 20:30:41,599 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:40" (1/1) ... [2023-11-23 20:30:41,655 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:30:41,657 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:30:41,658 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:30:41,658 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:30:41,659 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:40" (1/1) ... [2023-11-23 20:30:41,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:30:41,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4323f7-0477-4a4b-873b-b553fef203d3/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:30:41,690 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4323f7-0477-4a4b-873b-b553fef203d3/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:30:41,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e4323f7-0477-4a4b-873b-b553fef203d3/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:30:41,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-23 20:30:41,738 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2023-11-23 20:30:41,739 INFO L130 BoogieDeclarations]: Found specification of procedure open_next_file [2023-11-23 20:30:41,739 INFO L138 BoogieDeclarations]: Found implementation of procedure open_next_file [2023-11-23 20:30:41,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc [2023-11-23 20:30:41,739 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc [2023-11-23 20:30:41,739 INFO L130 BoogieDeclarations]: Found specification of procedure vasprintf [2023-11-23 20:30:41,739 INFO L138 BoogieDeclarations]: Found implementation of procedure vasprintf [2023-11-23 20:30:41,741 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-23 20:30:41,742 INFO L130 BoogieDeclarations]: Found specification of procedure xrealloc [2023-11-23 20:30:41,742 INFO L138 BoogieDeclarations]: Found implementation of procedure xrealloc [2023-11-23 20:30:41,742 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2023-11-23 20:30:41,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:30:41,742 INFO L130 BoogieDeclarations]: Found specification of procedure bb_strtou [2023-11-23 20:30:41,743 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_strtou [2023-11-23 20:30:41,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2023-11-23 20:30:41,743 INFO L130 BoogieDeclarations]: Found specification of procedure setbuf [2023-11-23 20:30:41,744 INFO L130 BoogieDeclarations]: Found specification of procedure ret_ERANGE [2023-11-23 20:30:41,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ret_ERANGE [2023-11-23 20:30:41,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 20:30:41,745 INFO L130 BoogieDeclarations]: Found specification of procedure bb_verror_msg [2023-11-23 20:30:41,745 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_verror_msg [2023-11-23 20:30:41,746 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2023-11-23 20:30:41,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 20:30:41,747 INFO L130 BoogieDeclarations]: Found specification of procedure read_block [2023-11-23 20:30:41,747 INFO L138 BoogieDeclarations]: Found implementation of procedure read_block [2023-11-23 20:30:41,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:30:41,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:30:41,748 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2023-11-23 20:30:41,748 INFO L130 BoogieDeclarations]: Found specification of procedure format_address_std [2023-11-23 20:30:41,749 INFO L138 BoogieDeclarations]: Found implementation of procedure format_address_std [2023-11-23 20:30:41,749 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-11-23 20:30:41,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:30:41,749 INFO L130 BoogieDeclarations]: Found specification of procedure check_and_close [2023-11-23 20:30:41,749 INFO L138 BoogieDeclarations]: Found implementation of procedure check_and_close [2023-11-23 20:30:41,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 20:30:41,750 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~VOID [2023-11-23 20:30:41,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~VOID [2023-11-23 20:30:41,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:30:41,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:30:41,750 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-23 20:30:41,750 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-23 20:30:41,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-23 20:30:41,751 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-23 20:30:41,751 INFO L130 BoogieDeclarations]: Found specification of procedure fseek [2023-11-23 20:30:41,751 INFO L130 BoogieDeclarations]: Found specification of procedure xmalloc [2023-11-23 20:30:41,751 INFO L138 BoogieDeclarations]: Found implementation of procedure xmalloc [2023-11-23 20:30:41,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 20:30:41,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 20:30:41,752 INFO L130 BoogieDeclarations]: Found specification of procedure decode_format_string [2023-11-23 20:30:41,752 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_format_string [2023-11-23 20:30:41,752 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2023-11-23 20:30:41,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 20:30:41,752 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 20:30:41,753 INFO L130 BoogieDeclarations]: Found specification of procedure fstat [2023-11-23 20:30:41,753 INFO L138 BoogieDeclarations]: Found implementation of procedure fstat [2023-11-23 20:30:41,753 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:30:41,753 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:30:41,755 INFO L130 BoogieDeclarations]: Found specification of procedure parse_old_offset [2023-11-23 20:30:41,755 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_old_offset [2023-11-23 20:30:41,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:30:41,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 20:30:41,757 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2023-11-23 20:30:41,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 20:30:41,757 INFO L130 BoogieDeclarations]: Found specification of procedure fclose [2023-11-23 20:30:41,758 INFO L130 BoogieDeclarations]: Found specification of procedure get_lcm [2023-11-23 20:30:41,758 INFO L138 BoogieDeclarations]: Found implementation of procedure get_lcm [2023-11-23 20:30:41,758 INFO L130 BoogieDeclarations]: Found specification of procedure bb_ascii_isalnum [2023-11-23 20:30:41,758 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_ascii_isalnum [2023-11-23 20:30:41,758 INFO L130 BoogieDeclarations]: Found specification of procedure fread [2023-11-23 20:30:41,758 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2023-11-23 20:30:41,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:30:41,759 INFO L130 BoogieDeclarations]: Found specification of procedure xstrtoull_sfx [2023-11-23 20:30:41,759 INFO L138 BoogieDeclarations]: Found implementation of procedure xstrtoull_sfx [2023-11-23 20:30:41,759 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-11-23 20:30:41,760 INFO L130 BoogieDeclarations]: Found specification of procedure format_address_paren [2023-11-23 20:30:41,760 INFO L138 BoogieDeclarations]: Found implementation of procedure format_address_paren [2023-11-23 20:30:41,760 INFO L130 BoogieDeclarations]: Found specification of procedure xstrtou_range_sfx [2023-11-23 20:30:41,760 INFO L138 BoogieDeclarations]: Found implementation of procedure xstrtou_range_sfx [2023-11-23 20:30:41,760 INFO L130 BoogieDeclarations]: Found specification of procedure write_block [2023-11-23 20:30:41,760 INFO L138 BoogieDeclarations]: Found implementation of procedure write_block [2023-11-23 20:30:41,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real [2023-11-23 20:30:41,761 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2023-11-23 20:30:41,761 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg_and_die [2023-11-23 20:30:41,762 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg_and_die [2023-11-23 20:30:41,762 INFO L130 BoogieDeclarations]: Found specification of procedure xasprintf [2023-11-23 20:30:41,762 INFO L138 BoogieDeclarations]: Found implementation of procedure xasprintf [2023-11-23 20:30:41,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:30:41,763 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg [2023-11-23 20:30:41,764 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg [2023-11-23 20:30:42,510 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:30:42,515 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:30:48,132 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:30:49,805 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:30:49,805 INFO L309 CfgBuilder]: Removed 54 assume(true) statements. [2023-11-23 20:30:49,807 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:30:49 BoogieIcfgContainer [2023-11-23 20:30:49,808 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:30:49,810 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:30:49,810 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:30:49,820 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:30:49,821 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:30:49" (1/1) ... [2023-11-23 20:30:49,831 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:30:49,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:49,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1653 states to 1153 states and 1653 transitions. [2023-11-23 20:30:49,961 INFO L276 IsEmpty]: Start isEmpty. Operand 1153 states and 1653 transitions. [2023-11-23 20:30:49,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:30:49,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:49,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:50,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:50,801 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 20:30:51,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:51,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1656 states to 1155 states and 1656 transitions. [2023-11-23 20:30:51,386 INFO L276 IsEmpty]: Start isEmpty. Operand 1155 states and 1656 transitions. [2023-11-23 20:30:51,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:30:51,387 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:51,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:51,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:51,843 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 20:30:51,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:51,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1657 states to 1156 states and 1657 transitions. [2023-11-23 20:30:51,895 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 1657 transitions. [2023-11-23 20:30:51,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:30:51,896 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:51,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:52,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:52,493 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 20:30:52,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:52,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1660 states to 1158 states and 1660 transitions. [2023-11-23 20:30:52,583 INFO L276 IsEmpty]: Start isEmpty. Operand 1158 states and 1660 transitions. [2023-11-23 20:30:52,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:30:52,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:52,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:52,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:52,946 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 20:30:53,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:53,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1659 states to 1157 states and 1659 transitions. [2023-11-23 20:30:53,069 INFO L276 IsEmpty]: Start isEmpty. Operand 1157 states and 1659 transitions. [2023-11-23 20:30:53,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:30:53,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:53,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:53,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:53,487 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 20:30:53,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:53,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1660 states to 1158 states and 1660 transitions. [2023-11-23 20:30:53,570 INFO L276 IsEmpty]: Start isEmpty. Operand 1158 states and 1660 transitions. [2023-11-23 20:30:53,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:30:53,575 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:53,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:53,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:53,958 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 20:30:54,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:54,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1659 states to 1157 states and 1659 transitions. [2023-11-23 20:30:54,135 INFO L276 IsEmpty]: Start isEmpty. Operand 1157 states and 1659 transitions. [2023-11-23 20:30:54,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:30:54,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:54,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:54,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:54,411 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 20:30:54,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:54,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1661 states to 1156 states and 1658 transitions. [2023-11-23 20:30:54,472 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 1658 transitions. [2023-11-23 20:30:54,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:30:54,472 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:54,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:54,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:54,897 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 20:30:55,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:55,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1664 states to 1159 states and 1661 transitions. [2023-11-23 20:30:55,126 INFO L276 IsEmpty]: Start isEmpty. Operand 1159 states and 1661 transitions. [2023-11-23 20:30:55,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:30:55,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:55,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:55,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:55,579 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 20:30:55,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:55,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1667 states to 1162 states and 1664 transitions. [2023-11-23 20:30:55,775 INFO L276 IsEmpty]: Start isEmpty. Operand 1162 states and 1664 transitions. [2023-11-23 20:30:55,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:30:55,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:55,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:55,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:56,271 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 20:30:56,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:56,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1670 states to 1165 states and 1667 transitions. [2023-11-23 20:30:56,477 INFO L276 IsEmpty]: Start isEmpty. Operand 1165 states and 1667 transitions. [2023-11-23 20:30:56,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:30:56,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:56,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:56,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:57,046 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 20:30:57,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:57,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1673 states to 1168 states and 1670 transitions. [2023-11-23 20:30:57,317 INFO L276 IsEmpty]: Start isEmpty. Operand 1168 states and 1670 transitions. [2023-11-23 20:30:57,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:30:57,318 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:57,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:57,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:58,023 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 20:30:58,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:58,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1676 states to 1171 states and 1673 transitions. [2023-11-23 20:30:58,301 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 1673 transitions. [2023-11-23 20:30:58,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:30:58,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:58,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:58,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:58,919 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 20:30:59,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:59,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1679 states to 1174 states and 1676 transitions. [2023-11-23 20:30:59,206 INFO L276 IsEmpty]: Start isEmpty. Operand 1174 states and 1676 transitions. [2023-11-23 20:30:59,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:30:59,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:59,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:59,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:59,931 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 20:31:00,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:31:00,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1682 states to 1177 states and 1679 transitions. [2023-11-23 20:31:00,200 INFO L276 IsEmpty]: Start isEmpty. Operand 1177 states and 1679 transitions. [2023-11-23 20:31:00,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:31:00,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:31:00,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:31:00,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:31:00,930 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 20:31:01,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:31:01,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1684 states to 1180 states and 1681 transitions. [2023-11-23 20:31:01,185 INFO L276 IsEmpty]: Start isEmpty. Operand 1180 states and 1681 transitions. [2023-11-23 20:31:01,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-23 20:31:01,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:31:01,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:31:01,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:31:01,916 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 20:31:02,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:31:02,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1680 states to 1179 states and 1680 transitions. [2023-11-23 20:31:02,174 INFO L276 IsEmpty]: Start isEmpty. Operand 1179 states and 1680 transitions. [2023-11-23 20:31:02,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-23 20:31:02,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:31:02,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:31:02,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:31:02,562 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 20:31:02,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:31:02,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1679 states to 1178 states and 1679 transitions. [2023-11-23 20:31:02,603 INFO L276 IsEmpty]: Start isEmpty. Operand 1178 states and 1679 transitions. [2023-11-23 20:31:02,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-23 20:31:02,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:31:02,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:31:02,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:31:02,978 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 20:31:03,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:31:03,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1678 states to 1177 states and 1678 transitions. [2023-11-23 20:31:03,138 INFO L276 IsEmpty]: Start isEmpty. Operand 1177 states and 1678 transitions. [2023-11-23 20:31:03,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-23 20:31:03,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:31:03,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:31:03,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:31:03,586 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 20:31:03,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:31:03,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1680 states to 1178 states and 1680 transitions. [2023-11-23 20:31:03,893 INFO L276 IsEmpty]: Start isEmpty. Operand 1178 states and 1680 transitions. [2023-11-23 20:31:03,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-23 20:31:03,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:31:03,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:31:04,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:31:04,267 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 20:31:04,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:31:04,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1681 states to 1179 states and 1681 transitions. [2023-11-23 20:31:04,297 INFO L276 IsEmpty]: Start isEmpty. Operand 1179 states and 1681 transitions. [2023-11-23 20:31:04,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 20:31:04,297 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:31:04,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:31:04,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:31:04,737 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 20:31:04,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:31:04,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1682 states to 1180 states and 1682 transitions. [2023-11-23 20:31:04,781 INFO L276 IsEmpty]: Start isEmpty. Operand 1180 states and 1682 transitions. [2023-11-23 20:31:04,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 20:31:04,785 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:31:04,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:31:04,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:31:05,316 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 20:31:05,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:31:05,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1686 states to 1183 states and 1686 transitions. [2023-11-23 20:31:05,791 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1686 transitions. [2023-11-23 20:31:05,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-23 20:31:05,793 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:31:05,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:31:05,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:31:06,179 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 20:31:06,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:31:06,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1687 states to 1184 states and 1687 transitions. [2023-11-23 20:31:06,205 INFO L276 IsEmpty]: Start isEmpty. Operand 1184 states and 1687 transitions. [2023-11-23 20:31:06,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-23 20:31:06,206 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:31:06,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:31:06,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:31:06,624 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 20:31:07,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:31:07,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1698 states to 1190 states and 1698 transitions. [2023-11-23 20:31:07,551 INFO L276 IsEmpty]: Start isEmpty. Operand 1190 states and 1698 transitions. [2023-11-23 20:31:07,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-23 20:31:07,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:31:07,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:31:07,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:31:08,002 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 20:31:08,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:31:08,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1702 states to 1192 states and 1702 transitions. [2023-11-23 20:31:08,434 INFO L276 IsEmpty]: Start isEmpty. Operand 1192 states and 1702 transitions. [2023-11-23 20:31:08,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-23 20:31:08,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:31:08,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:31:08,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:31:08,797 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 20:31:08,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:31:08,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1703 states to 1193 states and 1703 transitions. [2023-11-23 20:31:08,827 INFO L276 IsEmpty]: Start isEmpty. Operand 1193 states and 1703 transitions. [2023-11-23 20:31:08,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-23 20:31:08,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:31:08,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:31:08,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:31:09,219 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 20:31:09,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:31:09,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1702 states to 1192 states and 1702 transitions. [2023-11-23 20:31:09,544 INFO L276 IsEmpty]: Start isEmpty. Operand 1192 states and 1702 transitions. [2023-11-23 20:31:09,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-23 20:31:09,544 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:31:09,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:31:09,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:31:10,058 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 20:31:10,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:31:10,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1195 states and 1707 transitions. [2023-11-23 20:31:10,283 INFO L276 IsEmpty]: Start isEmpty. Operand 1195 states and 1707 transitions. [2023-11-23 20:31:10,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-23 20:31:10,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:31:10,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:31:10,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:31:10,671 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 20:31:11,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:31:11,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1709 states to 1197 states and 1709 transitions. [2023-11-23 20:31:11,162 INFO L276 IsEmpty]: Start isEmpty. Operand 1197 states and 1709 transitions. [2023-11-23 20:31:11,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-23 20:31:11,163 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:31:11,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:31:11,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:31:11,646 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 20:31:12,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:31:12,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1712 states to 1198 states and 1712 transitions. [2023-11-23 20:31:12,570 INFO L276 IsEmpty]: Start isEmpty. Operand 1198 states and 1712 transitions. [2023-11-23 20:31:12,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-23 20:31:12,571 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:31:12,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:31:12,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:31:13,057 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 20:31:13,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:31:13,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1717 states to 1202 states and 1717 transitions. [2023-11-23 20:31:13,413 INFO L276 IsEmpty]: Start isEmpty. Operand 1202 states and 1717 transitions. [2023-11-23 20:31:13,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-23 20:31:13,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:31:13,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:31:13,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:31:13,765 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 20:31:13,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:31:13,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1717 states to 1203 states and 1717 transitions. [2023-11-23 20:31:13,933 INFO L276 IsEmpty]: Start isEmpty. Operand 1203 states and 1717 transitions. [2023-11-23 20:31:13,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-23 20:31:13,934 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:31:13,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:31:14,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:31:14,536 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 20:31:14,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:31:14,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1724 states to 1207 states and 1722 transitions. [2023-11-23 20:31:14,668 INFO L276 IsEmpty]: Start isEmpty. Operand 1207 states and 1722 transitions. [2023-11-23 20:31:14,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-23 20:31:14,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:31:14,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:31:14,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:31:15,299 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 20:31:15,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:31:15,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1723 states to 1206 states and 1721 transitions. [2023-11-23 20:31:15,801 INFO L276 IsEmpty]: Start isEmpty. Operand 1206 states and 1721 transitions. [2023-11-23 20:31:15,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-23 20:31:15,801 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:31:15,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:31:15,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:31:16,255 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 20:31:16,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:31:16,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1724 states to 1207 states and 1722 transitions. [2023-11-23 20:31:16,647 INFO L276 IsEmpty]: Start isEmpty. Operand 1207 states and 1722 transitions. [2023-11-23 20:31:16,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-23 20:31:16,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:31:16,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:31:16,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:31:17,264 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 20:31:17,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:31:17,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1725 states to 1208 states and 1723 transitions. [2023-11-23 20:31:17,370 INFO L276 IsEmpty]: Start isEmpty. Operand 1208 states and 1723 transitions. [2023-11-23 20:31:17,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-23 20:31:17,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:31:17,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:31:17,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:31:17,863 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 20:31:18,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:31:18,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1730 states to 1212 states and 1728 transitions. [2023-11-23 20:31:18,117 INFO L276 IsEmpty]: Start isEmpty. Operand 1212 states and 1728 transitions. [2023-11-23 20:31:18,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-23 20:31:18,118 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:31:18,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:31:18,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat