./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-simple/dll2n_remove_all_reverse.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 2329fc70 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_8ac6c49e-8185-499b-97c2-b3e423d1f0e6/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ac6c49e-8185-499b-97c2-b3e423d1f0e6/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ac6c49e-8185-499b-97c2-b3e423d1f0e6/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ac6c49e-8185-499b-97c2-b3e423d1f0e6/bin/ukojak-rkRKPMF4O4/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-simple/dll2n_remove_all_reverse.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ac6c49e-8185-499b-97c2-b3e423d1f0e6/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ac6c49e-8185-499b-97c2-b3e423d1f0e6/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4d5c55d9a4a2ded389ff7ce077afdc88fb2d2855921e5fd1e3b93fbba7e140e8 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 22:06:45,956 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 22:06:45,957 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 22:06:45,971 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 22:06:45,971 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 22:06:45,972 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 22:06:45,973 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 22:06:45,974 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 22:06:45,975 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 22:06:45,976 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 22:06:45,977 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 22:06:45,977 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 22:06:45,978 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 22:06:45,978 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 22:06:45,979 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 22:06:45,980 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 22:06:45,981 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 22:06:45,982 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 22:06:45,983 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 22:06:45,984 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 22:06:45,985 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 22:06:45,986 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 22:06:45,987 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 22:06:45,987 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 22:06:45,989 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 22:06:45,990 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 22:06:45,990 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 22:06:45,991 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 22:06:45,991 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 22:06:45,992 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 22:06:45,992 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 22:06:45,992 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 22:06:45,993 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 22:06:45,994 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 22:06:45,994 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 22:06:45,994 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 22:06:45,995 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 22:06:45,995 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 22:06:45,995 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 22:06:45,996 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 22:06:45,996 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 22:06:45,997 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ac6c49e-8185-499b-97c2-b3e423d1f0e6/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-12-14 22:06:46,011 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 22:06:46,011 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 22:06:46,012 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 22:06:46,012 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 22:06:46,013 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 22:06:46,013 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 22:06:46,013 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 22:06:46,013 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 22:06:46,013 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 22:06:46,013 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 22:06:46,013 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 22:06:46,014 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 22:06:46,014 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 22:06:46,014 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 22:06:46,014 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 22:06:46,014 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 22:06:46,014 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 22:06:46,014 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 22:06:46,015 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 22:06:46,015 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 22:06:46,015 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 22:06:46,015 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 22:06:46,015 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 22:06:46,016 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 22:06:46,016 INFO L138 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_8ac6c49e-8185-499b-97c2-b3e423d1f0e6/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ac6c49e-8185-499b-97c2-b3e423d1f0e6/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d5c55d9a4a2ded389ff7ce077afdc88fb2d2855921e5fd1e3b93fbba7e140e8 [2022-12-14 22:06:46,182 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 22:06:46,200 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 22:06:46,202 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 22:06:46,203 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 22:06:46,204 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 22:06:46,204 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ac6c49e-8185-499b-97c2-b3e423d1f0e6/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/list-simple/dll2n_remove_all_reverse.i [2022-12-14 22:06:48,812 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 22:06:48,966 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 22:06:48,966 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ac6c49e-8185-499b-97c2-b3e423d1f0e6/sv-benchmarks/c/list-simple/dll2n_remove_all_reverse.i [2022-12-14 22:06:48,975 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ac6c49e-8185-499b-97c2-b3e423d1f0e6/bin/ukojak-rkRKPMF4O4/data/7667325de/4d1e1b72de3a41b8bb8d446133b4cd5b/FLAGa4a942e6f [2022-12-14 22:06:48,985 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ac6c49e-8185-499b-97c2-b3e423d1f0e6/bin/ukojak-rkRKPMF4O4/data/7667325de/4d1e1b72de3a41b8bb8d446133b4cd5b [2022-12-14 22:06:48,988 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 22:06:48,989 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 22:06:48,989 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 22:06:48,990 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 22:06:48,992 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 22:06:48,992 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:06:48" (1/1) ... [2022-12-14 22:06:48,993 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d1c9356 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:06:48, skipping insertion in model container [2022-12-14 22:06:48,993 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:06:48" (1/1) ... [2022-12-14 22:06:48,998 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 22:06:49,021 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 22:06:49,206 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ac6c49e-8185-499b-97c2-b3e423d1f0e6/sv-benchmarks/c/list-simple/dll2n_remove_all_reverse.i[24275,24288] [2022-12-14 22:06:49,207 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 22:06:49,214 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 22:06:49,246 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ac6c49e-8185-499b-97c2-b3e423d1f0e6/sv-benchmarks/c/list-simple/dll2n_remove_all_reverse.i[24275,24288] [2022-12-14 22:06:49,246 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 22:06:49,263 INFO L208 MainTranslator]: Completed translation [2022-12-14 22:06:49,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:06:49 WrapperNode [2022-12-14 22:06:49,263 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 22:06:49,264 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 22:06:49,264 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 22:06:49,264 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 22:06:49,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:06:49" (1/1) ... [2022-12-14 22:06:49,283 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:06:49" (1/1) ... [2022-12-14 22:06:49,305 INFO L138 Inliner]: procedures = 126, calls = 35, calls flagged for inlining = 6, calls inlined = 5, statements flattened = 104 [2022-12-14 22:06:49,305 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 22:06:49,306 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 22:06:49,306 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 22:06:49,306 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 22:06:49,313 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:06:49" (1/1) ... [2022-12-14 22:06:49,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:06:49" (1/1) ... [2022-12-14 22:06:49,315 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:06:49" (1/1) ... [2022-12-14 22:06:49,315 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:06:49" (1/1) ... [2022-12-14 22:06:49,319 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:06:49" (1/1) ... [2022-12-14 22:06:49,321 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:06:49" (1/1) ... [2022-12-14 22:06:49,322 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:06:49" (1/1) ... [2022-12-14 22:06:49,323 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:06:49" (1/1) ... [2022-12-14 22:06:49,325 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 22:06:49,325 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 22:06:49,325 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 22:06:49,325 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 22:06:49,326 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:06:49" (1/1) ... [2022-12-14 22:06:49,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 22:06:49,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ac6c49e-8185-499b-97c2-b3e423d1f0e6/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 22:06:49,351 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ac6c49e-8185-499b-97c2-b3e423d1f0e6/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 22:06:49,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ac6c49e-8185-499b-97c2-b3e423d1f0e6/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 22:06:49,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 22:06:49,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 22:06:49,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 22:06:49,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 22:06:49,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 22:06:49,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 22:06:49,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 22:06:49,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 22:06:49,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 22:06:49,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 22:06:49,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 22:06:49,474 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 22:06:49,476 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 22:06:49,687 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 22:06:49,718 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 22:06:49,718 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-14 22:06:49,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:06:49 BoogieIcfgContainer [2022-12-14 22:06:49,721 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 22:06:49,722 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 22:06:49,722 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 22:06:49,732 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 22:06:49,733 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:06:49" (1/1) ... [2022-12-14 22:06:49,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 22:06:49,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:06:49,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 67 states and 74 transitions. [2022-12-14 22:06:49,793 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 74 transitions. [2022-12-14 22:06:49,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 22:06:49,794 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:06:49,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:06:49,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:06:49,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:06:49,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:06:49,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 68 states and 76 transitions. [2022-12-14 22:06:49,995 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 76 transitions. [2022-12-14 22:06:49,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 22:06:49,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:06:49,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:06:50,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:06:50,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:06:50,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:06:50,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 67 states and 75 transitions. [2022-12-14 22:06:50,078 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 75 transitions. [2022-12-14 22:06:50,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 22:06:50,078 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:06:50,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:06:50,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:06:50,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:06:50,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:06:50,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 66 states and 74 transitions. [2022-12-14 22:06:50,232 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 74 transitions. [2022-12-14 22:06:50,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 22:06:50,233 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:06:50,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:06:50,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:06:50,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:06:50,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:06:50,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 65 states and 73 transitions. [2022-12-14 22:06:50,286 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 73 transitions. [2022-12-14 22:06:50,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 22:06:50,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:06:50,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:06:50,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:06:50,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:06:50,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:06:50,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 64 states and 72 transitions. [2022-12-14 22:06:50,460 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 72 transitions. [2022-12-14 22:06:50,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 22:06:50,461 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:06:50,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:06:50,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:06:50,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:06:50,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:06:50,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 63 states and 71 transitions. [2022-12-14 22:06:50,505 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 71 transitions. [2022-12-14 22:06:50,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 22:06:50,505 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:06:50,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:06:50,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:06:50,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:06:50,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:06:50,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 62 states and 70 transitions. [2022-12-14 22:06:50,582 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 70 transitions. [2022-12-14 22:06:50,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 22:06:50,583 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:06:50,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:06:50,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:06:50,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:06:50,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:06:50,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 68 states and 78 transitions. [2022-12-14 22:06:50,890 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 78 transitions. [2022-12-14 22:06:50,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 22:06:50,891 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:06:50,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:06:50,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:06:50,957 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:06:51,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:06:51,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 75 states and 87 transitions. [2022-12-14 22:06:51,229 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 87 transitions. [2022-12-14 22:06:51,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 22:06:51,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:06:51,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:06:51,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:06:51,395 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:06:51,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:06:51,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 83 states and 101 transitions. [2022-12-14 22:06:51,943 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 101 transitions. [2022-12-14 22:06:51,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 22:06:51,943 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:06:51,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:06:51,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:06:52,146 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:06:52,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:06:52,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 91 states and 118 transitions. [2022-12-14 22:06:52,910 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 118 transitions. [2022-12-14 22:06:52,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 22:06:52,911 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:06:52,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:06:52,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:06:53,007 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:06:53,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:06:53,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 93 states and 121 transitions. [2022-12-14 22:06:53,633 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 121 transitions. [2022-12-14 22:06:53,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 22:06:53,634 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:06:53,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:06:53,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:06:53,861 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 22:06:55,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:06:55,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 111 states and 160 transitions. [2022-12-14 22:06:55,614 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 160 transitions. [2022-12-14 22:06:55,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 22:06:55,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:06:55,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:06:55,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:06:56,102 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:06:59,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:06:59,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 129 states and 204 transitions. [2022-12-14 22:06:59,596 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 204 transitions. [2022-12-14 22:06:59,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 22:06:59,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:06:59,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:06:59,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:06:59,759 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 22:07:02,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:07:02,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 146 states and 246 transitions. [2022-12-14 22:07:02,833 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 246 transitions. [2022-12-14 22:07:02,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 22:07:02,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:07:02,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:07:02,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:07:03,174 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 22:07:05,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:07:05,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 151 states and 258 transitions. [2022-12-14 22:07:05,424 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 258 transitions. [2022-12-14 22:07:05,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 22:07:05,424 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:07:05,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:07:05,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:07:06,005 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 22:07:09,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:07:09,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 156 states and 274 transitions. [2022-12-14 22:07:09,254 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 274 transitions. [2022-12-14 22:07:09,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 22:07:09,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:07:09,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:07:09,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:07:09,285 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 22:07:09,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:07:09,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 158 states and 278 transitions. [2022-12-14 22:07:09,764 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 278 transitions. [2022-12-14 22:07:09,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 22:07:09,765 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:07:09,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:07:09,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:07:10,105 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 22:07:10,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:07:10,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 161 states and 283 transitions. [2022-12-14 22:07:10,783 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 283 transitions. [2022-12-14 22:07:10,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 22:07:10,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:07:10,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:07:10,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:07:10,804 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 22:07:10,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:07:10,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 162 states and 284 transitions. [2022-12-14 22:07:10,821 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 284 transitions. [2022-12-14 22:07:10,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 22:07:10,821 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:07:10,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:07:10,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:07:10,923 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 22:07:10,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:07:10,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 163 states and 285 transitions. [2022-12-14 22:07:10,939 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 285 transitions. [2022-12-14 22:07:10,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 22:07:10,939 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:07:10,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:07:10,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:07:11,235 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 22:07:11,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:07:11,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 166 states and 291 transitions. [2022-12-14 22:07:11,981 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 291 transitions. [2022-12-14 22:07:11,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 22:07:11,982 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:07:11,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:07:11,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:07:12,561 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 22:07:13,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:07:13,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 169 states and 298 transitions. [2022-12-14 22:07:13,835 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 298 transitions. [2022-12-14 22:07:13,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 22:07:13,835 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:07:13,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:07:13,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:07:14,481 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 22:07:15,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:07:15,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 171 states and 302 transitions. [2022-12-14 22:07:15,562 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 302 transitions. [2022-12-14 22:07:15,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 22:07:15,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:07:15,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:07:15,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:07:15,743 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:07:17,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:07:17,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 93 states and 122 transitions. [2022-12-14 22:07:17,869 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 122 transitions. [2022-12-14 22:07:17,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 22:07:17,869 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:07:17,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:07:17,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:07:18,549 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 22:07:24,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:07:24,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 100 states and 135 transitions. [2022-12-14 22:07:24,525 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 135 transitions. [2022-12-14 22:07:24,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 22:07:24,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:07:24,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:07:24,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:07:25,711 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 22:07:29,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:07:29,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 104 states and 145 transitions. [2022-12-14 22:07:29,139 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 145 transitions. [2022-12-14 22:07:29,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 22:07:29,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:07:29,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:07:29,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:07:29,169 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 22:07:29,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:07:29,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 103 states and 144 transitions. [2022-12-14 22:07:29,800 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 144 transitions. [2022-12-14 22:07:29,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 22:07:29,801 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:07:29,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:07:29,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:07:30,051 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 22:07:31,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:07:31,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 102 states and 143 transitions. [2022-12-14 22:07:31,713 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 143 transitions. [2022-12-14 22:07:31,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 22:07:31,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:07:31,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:07:31,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:07:31,927 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 22:07:33,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:07:33,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 106 states and 148 transitions. [2022-12-14 22:07:33,747 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 148 transitions. [2022-12-14 22:07:33,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 22:07:33,747 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:07:33,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:07:33,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:07:36,934 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:07:52,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:07:52,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 114 states and 166 transitions. [2022-12-14 22:07:52,995 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 166 transitions. [2022-12-14 22:07:52,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 22:07:52,995 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:07:52,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:07:53,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:07:54,782 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:08:07,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:08:07,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 122 states and 183 transitions. [2022-12-14 22:08:07,184 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 183 transitions. [2022-12-14 22:08:07,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 22:08:07,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:08:07,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:08:07,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:08:08,518 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 22:08:19,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:08:19,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 131 states and 202 transitions. [2022-12-14 22:08:19,908 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 202 transitions. [2022-12-14 22:08:19,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 22:08:19,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:08:19,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:08:19,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:08:19,985 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 22:08:22,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:08:22,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 135 states and 207 transitions. [2022-12-14 22:08:22,631 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 207 transitions. [2022-12-14 22:08:22,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 22:08:22,632 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:08:22,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:08:22,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:08:22,898 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 22:08:25,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:08:25,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 138 states and 213 transitions. [2022-12-14 22:08:25,909 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 213 transitions. [2022-12-14 22:08:25,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 22:08:25,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:08:25,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:08:25,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:08:26,718 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 22:08:33,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:08:33,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 143 states and 226 transitions. [2022-12-14 22:08:33,159 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 226 transitions. [2022-12-14 22:08:33,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 22:08:33,160 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:08:33,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:08:33,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:08:39,884 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:09:11,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:09:11,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 151 states and 244 transitions. [2022-12-14 22:09:11,491 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 244 transitions. [2022-12-14 22:09:11,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 22:09:11,492 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:09:11,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:09:11,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:09:16,078 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:09:21,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:09:21,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 154 states and 248 transitions. [2022-12-14 22:09:21,948 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 248 transitions. [2022-12-14 22:09:21,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 22:09:21,948 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:09:21,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:09:21,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:09:22,286 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 22:09:36,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:09:36,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 164 states and 270 transitions. [2022-12-14 22:09:36,139 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 270 transitions. [2022-12-14 22:09:36,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 22:09:36,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:09:36,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:09:36,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:09:36,438 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 22:09:49,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:09:49,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 171 states and 287 transitions. [2022-12-14 22:09:49,457 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 287 transitions. [2022-12-14 22:09:49,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 22:09:49,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:09:49,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:09:49,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:09:50,187 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 22:10:03,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:10:03,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 178 states and 304 transitions. [2022-12-14 22:10:03,389 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 304 transitions. [2022-12-14 22:10:03,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 22:10:03,390 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:10:03,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:10:03,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:10:07,405 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:10:54,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:10:54,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 191 states and 334 transitions. [2022-12-14 22:10:54,676 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 334 transitions. [2022-12-14 22:10:54,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 22:10:54,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:10:54,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:10:54,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:11:03,621 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:11:53,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:11:53,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 202 states and 360 transitions. [2022-12-14 22:11:53,707 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 360 transitions. [2022-12-14 22:11:53,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 22:11:53,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:11:53,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:11:53,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:11:59,851 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:12:21,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:12:21,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 206 states and 365 transitions. [2022-12-14 22:12:21,543 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 365 transitions. [2022-12-14 22:12:21,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 22:12:21,543 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:12:21,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:12:21,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:12:21,563 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-14 22:12:28,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:12:28,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 209 states and 372 transitions. [2022-12-14 22:12:28,798 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 372 transitions. [2022-12-14 22:12:28,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 22:12:28,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:12:28,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:12:28,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:12:28,877 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-14 22:12:51,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:12:51,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 220 states and 401 transitions. [2022-12-14 22:12:51,048 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 401 transitions. [2022-12-14 22:12:51,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 22:12:51,048 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:12:51,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:12:51,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:12:51,084 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-14 22:13:12,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:13:12,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 230 states and 423 transitions. [2022-12-14 22:13:12,005 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 423 transitions. [2022-12-14 22:13:12,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 22:13:12,006 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:13:12,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:13:12,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:13:14,609 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 22:14:09,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:14:09,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 244 states and 451 transitions. [2022-12-14 22:14:09,463 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 451 transitions. [2022-12-14 22:14:09,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-14 22:14:09,464 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:14:09,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:14:09,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:14:18,682 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 22:15:29,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:15:29,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 259 states and 485 transitions. [2022-12-14 22:15:29,084 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 485 transitions. [2022-12-14 22:15:29,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-14 22:15:29,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:15:29,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:15:29,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:15:36,286 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 22:16:22,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:16:22,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 272 states and 537 transitions. [2022-12-14 22:16:22,752 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 537 transitions. [2022-12-14 22:16:22,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-14 22:16:22,752 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:16:22,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:16:22,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:16:27,184 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 22:16:54,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:16:54,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 280 states and 557 transitions. [2022-12-14 22:16:54,237 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 557 transitions. [2022-12-14 22:16:54,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-14 22:16:54,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:16:54,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:16:54,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:16:54,258 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-14 22:16:56,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:16:56,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 280 states and 556 transitions. [2022-12-14 22:16:56,283 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 556 transitions. [2022-12-14 22:16:56,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-14 22:16:56,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:16:56,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:16:56,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:16:56,377 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 22:16:58,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:16:58,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 281 states and 556 transitions. [2022-12-14 22:16:58,854 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 556 transitions. [2022-12-14 22:16:58,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-14 22:16:58,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:16:58,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:16:58,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:16:59,196 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 22:17:07,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:17:07,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 283 states and 546 transitions. [2022-12-14 22:17:07,952 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 546 transitions. [2022-12-14 22:17:07,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-12-14 22:17:07,953 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:17:07,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:17:07,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:17:13,069 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 22:17:57,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:17:57,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 295 states and 575 transitions. [2022-12-14 22:17:57,673 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 575 transitions. [2022-12-14 22:17:57,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-12-14 22:17:57,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:17:57,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:17:57,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:17:57,800 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 22:18:02,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:18:02,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 297 states and 580 transitions. [2022-12-14 22:18:02,433 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 580 transitions. [2022-12-14 22:18:02,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-12-14 22:18:02,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:18:02,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:18:02,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:18:10,728 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 8 proven. 14 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 22:18:59,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:18:59,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 308 states and 610 transitions. [2022-12-14 22:18:59,115 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 610 transitions. [2022-12-14 22:18:59,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-12-14 22:18:59,115 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:18:59,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:18:59,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:19:01,521 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 22:19:29,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:19:29,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 316 states and 634 transitions. [2022-12-14 22:19:29,557 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 634 transitions. [2022-12-14 22:19:29,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-12-14 22:19:29,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:19:29,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:19:29,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:19:29,620 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 22:19:44,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:19:44,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 321 states and 652 transitions. [2022-12-14 22:19:44,919 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 652 transitions. [2022-12-14 22:19:44,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-12-14 22:19:44,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:19:44,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:19:44,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:19:46,687 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 19 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 22:19:53,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:19:53,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 323 states and 658 transitions. [2022-12-14 22:19:53,224 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 658 transitions. [2022-12-14 22:19:53,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-12-14 22:19:53,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:19:53,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:19:53,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:19:53,549 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 8 proven. 14 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 22:20:03,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:20:03,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 326 states and 662 transitions. [2022-12-14 22:20:03,854 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 662 transitions. [2022-12-14 22:20:03,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-12-14 22:20:03,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:20:03,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:20:03,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:20:03,913 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 22:20:13,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:20:13,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 329 states and 670 transitions. [2022-12-14 22:20:13,966 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 670 transitions. [2022-12-14 22:20:13,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-12-14 22:20:13,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:20:13,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:20:13,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:20:15,152 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked.