./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-simple/sll2n_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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0d1e028-eb14-43ac-941a-99b2019e1672/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0d1e028-eb14-43ac-941a-99b2019e1672/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_f0d1e028-eb14-43ac-941a-99b2019e1672/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0d1e028-eb14-43ac-941a-99b2019e1672/bin/ukojak-rkRKPMF4O4/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-simple/sll2n_remove_all_reverse.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0d1e028-eb14-43ac-941a-99b2019e1672/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_f0d1e028-eb14-43ac-941a-99b2019e1672/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 b3d7899c651fa61cfb9cf623e0f4ceb470fe32eb0d0272d2277c965ed07c2f88 --- 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 [2022-12-15 00:06:51,287 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 00:06:51,289 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 00:06:51,308 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 00:06:51,309 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 00:06:51,310 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 00:06:51,311 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 00:06:51,313 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 00:06:51,314 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 00:06:51,315 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 00:06:51,316 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 00:06:51,317 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 00:06:51,317 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 00:06:51,318 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 00:06:51,319 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 00:06:51,321 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 00:06:51,322 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 00:06:51,322 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 00:06:51,324 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 00:06:51,326 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 00:06:51,327 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 00:06:51,329 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 00:06:51,330 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 00:06:51,331 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 00:06:51,334 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 00:06:51,335 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 00:06:51,335 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 00:06:51,336 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 00:06:51,336 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 00:06:51,337 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 00:06:51,338 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 00:06:51,338 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 00:06:51,339 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 00:06:51,340 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 00:06:51,341 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 00:06:51,341 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 00:06:51,341 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 00:06:51,342 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 00:06:51,342 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 00:06:51,343 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 00:06:51,343 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 00:06:51,344 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0d1e028-eb14-43ac-941a-99b2019e1672/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-12-15 00:06:51,364 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 00:06:51,364 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 00:06:51,365 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 00:06:51,366 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 00:06:51,366 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 00:06:51,366 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 00:06:51,366 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 00:06:51,366 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 00:06:51,367 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 00:06:51,367 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 00:06:51,367 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-15 00:06:51,367 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-15 00:06:51,367 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-15 00:06:51,368 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 00:06:51,368 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 00:06:51,368 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 00:06:51,368 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 00:06:51,368 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 00:06:51,368 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 00:06:51,369 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:06:51,369 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 00:06:51,369 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 00:06:51,369 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 00:06:51,369 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 00:06:51,370 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_f0d1e028-eb14-43ac-941a-99b2019e1672/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0d1e028-eb14-43ac-941a-99b2019e1672/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3d7899c651fa61cfb9cf623e0f4ceb470fe32eb0d0272d2277c965ed07c2f88 [2022-12-15 00:06:51,573 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 00:06:51,588 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 00:06:51,591 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 00:06:51,591 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 00:06:51,592 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 00:06:51,593 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0d1e028-eb14-43ac-941a-99b2019e1672/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/list-simple/sll2n_remove_all_reverse.i [2022-12-15 00:06:54,145 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 00:06:54,327 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 00:06:54,327 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0d1e028-eb14-43ac-941a-99b2019e1672/sv-benchmarks/c/list-simple/sll2n_remove_all_reverse.i [2022-12-15 00:06:54,337 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0d1e028-eb14-43ac-941a-99b2019e1672/bin/ukojak-rkRKPMF4O4/data/6628b58ff/007160d8a31040d7a71d1f1171ae95d1/FLAG1b9301497 [2022-12-15 00:06:54,348 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0d1e028-eb14-43ac-941a-99b2019e1672/bin/ukojak-rkRKPMF4O4/data/6628b58ff/007160d8a31040d7a71d1f1171ae95d1 [2022-12-15 00:06:54,350 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 00:06:54,351 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 00:06:54,352 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 00:06:54,352 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 00:06:54,355 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 00:06:54,356 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:06:54" (1/1) ... [2022-12-15 00:06:54,357 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2098e5d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:06:54, skipping insertion in model container [2022-12-15 00:06:54,357 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:06:54" (1/1) ... [2022-12-15 00:06:54,364 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 00:06:54,395 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 00:06:54,625 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_f0d1e028-eb14-43ac-941a-99b2019e1672/sv-benchmarks/c/list-simple/sll2n_remove_all_reverse.i[24038,24051] [2022-12-15 00:06:54,627 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:06:54,634 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 00:06:54,670 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_f0d1e028-eb14-43ac-941a-99b2019e1672/sv-benchmarks/c/list-simple/sll2n_remove_all_reverse.i[24038,24051] [2022-12-15 00:06:54,671 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:06:54,690 INFO L208 MainTranslator]: Completed translation [2022-12-15 00:06:54,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:06:54 WrapperNode [2022-12-15 00:06:54,691 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 00:06:54,692 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 00:06:54,692 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 00:06:54,692 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 00:06:54,698 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:06:54" (1/1) ... [2022-12-15 00:06:54,710 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:06:54" (1/1) ... [2022-12-15 00:06:54,730 INFO L138 Inliner]: procedures = 126, calls = 30, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 108 [2022-12-15 00:06:54,731 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 00:06:54,731 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 00:06:54,732 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 00:06:54,732 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 00:06:54,738 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:06:54" (1/1) ... [2022-12-15 00:06:54,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:06:54" (1/1) ... [2022-12-15 00:06:54,742 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:06:54" (1/1) ... [2022-12-15 00:06:54,742 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:06:54" (1/1) ... [2022-12-15 00:06:54,749 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:06:54" (1/1) ... [2022-12-15 00:06:54,753 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:06:54" (1/1) ... [2022-12-15 00:06:54,755 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:06:54" (1/1) ... [2022-12-15 00:06:54,756 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:06:54" (1/1) ... [2022-12-15 00:06:54,759 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 00:06:54,759 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 00:06:54,760 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 00:06:54,760 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 00:06:54,760 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:06:54" (1/1) ... [2022-12-15 00:06:54,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:06:54,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0d1e028-eb14-43ac-941a-99b2019e1672/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 00:06:54,787 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0d1e028-eb14-43ac-941a-99b2019e1672/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 00:06:54,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0d1e028-eb14-43ac-941a-99b2019e1672/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 00:06:54,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-15 00:06:54,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-15 00:06:54,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 00:06:54,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 00:06:54,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-15 00:06:54,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-15 00:06:54,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 00:06:54,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-15 00:06:54,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 00:06:54,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 00:06:54,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 00:06:54,917 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 00:06:54,919 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 00:06:55,129 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 00:06:55,168 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 00:06:55,168 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-15 00:06:55,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:06:55 BoogieIcfgContainer [2022-12-15 00:06:55,170 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 00:06:55,171 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 00:06:55,171 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 00:06:55,178 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 00:06:55,179 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:06:55" (1/1) ... [2022-12-15 00:06:55,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 00:06:55,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:06:55,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 62 states and 68 transitions. [2022-12-15 00:06:55,226 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 68 transitions. [2022-12-15 00:06:55,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-15 00:06:55,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:06:55,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:06:55,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:06:55,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:06:55,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:06:55,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 63 states and 70 transitions. [2022-12-15 00:06:55,440 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 70 transitions. [2022-12-15 00:06:55,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-15 00:06:55,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:06:55,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:06:55,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:06:55,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:06:55,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:06:55,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 62 states and 69 transitions. [2022-12-15 00:06:55,511 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 69 transitions. [2022-12-15 00:06:55,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-15 00:06:55,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:06:55,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:06:55,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:06:55,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:06:55,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:06:55,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 61 states and 68 transitions. [2022-12-15 00:06:55,661 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 68 transitions. [2022-12-15 00:06:55,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-15 00:06:55,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:06:55,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:06:55,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:06:55,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:06:55,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:06:55,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 60 states and 67 transitions. [2022-12-15 00:06:55,704 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 67 transitions. [2022-12-15 00:06:55,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-15 00:06:55,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:06:55,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:06:55,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:06:55,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:06:55,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:06:55,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 59 states and 66 transitions. [2022-12-15 00:06:55,860 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 66 transitions. [2022-12-15 00:06:55,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-15 00:06:55,861 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:06:55,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:06:55,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:06:55,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:06:55,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:06:55,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 58 states and 65 transitions. [2022-12-15 00:06:55,942 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 65 transitions. [2022-12-15 00:06:55,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-15 00:06:55,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:06:55,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:06:55,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:06:56,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:06:56,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:06:56,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 57 states and 64 transitions. [2022-12-15 00:06:56,208 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 64 transitions. [2022-12-15 00:06:56,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 00:06:56,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:06:56,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:06:56,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:06:56,273 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 00:06:56,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:06:56,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 58 states and 66 transitions. [2022-12-15 00:06:56,562 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 66 transitions. [2022-12-15 00:06:56,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 00:06:56,562 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:06:56,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:06:56,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:06:56,642 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:06:56,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:06:56,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 63 states and 72 transitions. [2022-12-15 00:06:56,982 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 72 transitions. [2022-12-15 00:06:56,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 00:06:56,982 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:06:56,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:06:57,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:06:57,235 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-15 00:06:58,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:06:58,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 65 states and 76 transitions. [2022-12-15 00:06:58,351 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 76 transitions. [2022-12-15 00:06:58,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 00:06:58,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:06:58,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:06:58,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:06:58,895 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:07:01,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:07:01,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 78 states and 98 transitions. [2022-12-15 00:07:01,236 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 98 transitions. [2022-12-15 00:07:01,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-15 00:07:01,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:07:01,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:07:01,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:07:01,626 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-15 00:07:02,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:07:02,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 81 states and 104 transitions. [2022-12-15 00:07:02,711 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 104 transitions. [2022-12-15 00:07:02,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-15 00:07:02,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:07:02,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:07:02,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:07:03,174 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 00:07:04,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:07:04,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 84 states and 110 transitions. [2022-12-15 00:07:04,811 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 110 transitions. [2022-12-15 00:07:04,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 00:07:04,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:07:04,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:07:04,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:07:04,832 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-15 00:07:05,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:07:05,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 86 states and 114 transitions. [2022-12-15 00:07:05,152 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 114 transitions. [2022-12-15 00:07:05,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 00:07:05,152 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:07:05,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:07:05,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:07:05,477 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-15 00:07:06,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:07:06,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 89 states and 120 transitions. [2022-12-15 00:07:06,363 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 120 transitions. [2022-12-15 00:07:06,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 00:07:06,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:07:06,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:07:06,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:07:06,388 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-15 00:07:06,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:07:06,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 90 states and 121 transitions. [2022-12-15 00:07:06,401 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 121 transitions. [2022-12-15 00:07:06,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 00:07:06,401 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:07:06,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:07:06,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:07:06,466 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-15 00:07:06,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:07:06,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 91 states and 122 transitions. [2022-12-15 00:07:06,482 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 122 transitions. [2022-12-15 00:07:06,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-15 00:07:06,483 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:07:06,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:07:06,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:07:06,704 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 00:07:07,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:07:07,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 94 states and 129 transitions. [2022-12-15 00:07:07,641 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 129 transitions. [2022-12-15 00:07:07,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-15 00:07:07,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:07:07,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:07:07,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:07:07,865 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-15 00:07:09,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:07:09,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 97 states and 135 transitions. [2022-12-15 00:07:09,219 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 135 transitions. [2022-12-15 00:07:09,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-15 00:07:09,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:07:09,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:07:09,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:07:09,764 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 00:07:10,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:07:10,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 99 states and 138 transitions. [2022-12-15 00:07:10,619 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 138 transitions. [2022-12-15 00:07:10,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-15 00:07:10,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:07:10,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:07:10,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:07:11,416 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 00:07:16,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:07:16,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 108 states and 159 transitions. [2022-12-15 00:07:16,748 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 159 transitions. [2022-12-15 00:07:16,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-15 00:07:16,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:07:16,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:07:16,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:07:17,083 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:07:20,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:07:20,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 95 states and 132 transitions. [2022-12-15 00:07:20,103 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 132 transitions. [2022-12-15 00:07:20,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 00:07:20,104 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:07:20,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:07:20,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:07:22,052 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:07:31,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:07:31,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 102 states and 149 transitions. [2022-12-15 00:07:31,167 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 149 transitions. [2022-12-15 00:07:31,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 00:07:31,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:07:31,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:07:31,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:07:31,191 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-15 00:07:31,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:07:31,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 103 states and 151 transitions. [2022-12-15 00:07:31,715 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 151 transitions. [2022-12-15 00:07:31,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 00:07:31,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:07:31,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:07:31,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:07:32,165 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 00:07:33,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:07:33,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 105 states and 158 transitions. [2022-12-15 00:07:33,840 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 158 transitions. [2022-12-15 00:07:33,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 00:07:33,840 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:07:33,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:07:33,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:07:34,003 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-15 00:07:36,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:07:36,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 109 states and 164 transitions. [2022-12-15 00:07:36,224 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 164 transitions. [2022-12-15 00:07:36,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-15 00:07:36,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:07:36,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:07:36,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:07:38,113 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:07:50,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:07:50,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 117 states and 183 transitions. [2022-12-15 00:07:50,442 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 183 transitions. [2022-12-15 00:07:50,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-15 00:07:50,442 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:07:50,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:07:50,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:07:52,599 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:08:08,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:08:08,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 125 states and 202 transitions. [2022-12-15 00:08:08,459 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 202 transitions. [2022-12-15 00:08:08,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-15 00:08:08,459 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:08:08,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:08:08,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:08:10,443 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 00:08:29,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:08:29,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 134 states and 221 transitions. [2022-12-15 00:08:29,563 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 221 transitions. [2022-12-15 00:08:29,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-15 00:08:29,564 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:08:29,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:08:29,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:08:29,598 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-15 00:08:32,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:08:32,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 138 states and 226 transitions. [2022-12-15 00:08:32,323 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 226 transitions. [2022-12-15 00:08:32,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 00:08:32,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:08:32,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:08:32,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:08:32,651 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-15 00:08:36,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:08:36,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 141 states and 238 transitions. [2022-12-15 00:08:36,378 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 238 transitions. [2022-12-15 00:08:36,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 00:08:36,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:08:36,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:08:36,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:08:36,836 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 00:08:43,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:08:43,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 146 states and 258 transitions. [2022-12-15 00:08:43,605 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 258 transitions. [2022-12-15 00:08:43,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 00:08:43,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:08:43,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:08:43,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:08:43,924 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-15 00:08:46,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:08:46,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 147 states and 261 transitions. [2022-12-15 00:08:46,493 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 261 transitions. [2022-12-15 00:08:46,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 00:08:46,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:08:46,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:08:46,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:08:46,513 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-15 00:08:47,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:08:47,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 147 states and 260 transitions. [2022-12-15 00:08:47,677 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 260 transitions. [2022-12-15 00:08:47,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 00:08:47,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:08:47,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:08:47,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:08:48,128 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:08:50,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:08:50,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 150 states and 264 transitions. [2022-12-15 00:08:50,681 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 264 transitions. [2022-12-15 00:08:50,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 00:08:50,681 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:08:50,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:08:50,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:08:55,579 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:09:23,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:09:23,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 158 states and 287 transitions. [2022-12-15 00:09:23,954 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 287 transitions. [2022-12-15 00:09:23,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 00:09:23,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:09:23,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:09:23,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:09:24,829 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:09:30,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:09:30,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 160 states and 292 transitions. [2022-12-15 00:09:30,284 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 292 transitions. [2022-12-15 00:09:30,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 00:09:30,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:09:30,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:09:30,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:09:31,513 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-15 00:09:48,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:09:48,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 170 states and 318 transitions. [2022-12-15 00:09:48,547 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 318 transitions. [2022-12-15 00:09:48,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 00:09:48,547 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:09:48,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:09:48,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:09:48,935 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-15 00:09:51,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:09:51,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 173 states and 325 transitions. [2022-12-15 00:09:51,332 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 325 transitions. [2022-12-15 00:09:51,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 00:09:51,332 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:09:51,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:09:51,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:09:51,685 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-15 00:10:07,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:10:07,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 183 states and 347 transitions. [2022-12-15 00:10:07,812 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 347 transitions. [2022-12-15 00:10:07,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 00:10:07,812 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:10:07,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:10:07,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:10:07,982 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-15 00:10:09,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:10:09,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 184 states and 347 transitions. [2022-12-15 00:10:09,328 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 347 transitions. [2022-12-15 00:10:09,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-15 00:10:09,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:10:09,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:10:09,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:10:12,971 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:10:51,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:10:51,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 197 states and 380 transitions. [2022-12-15 00:10:51,808 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 380 transitions. [2022-12-15 00:10:51,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-15 00:10:51,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:10:51,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:10:51,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:10:56,812 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:11:26,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:11:26,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 201 states and 385 transitions. [2022-12-15 00:11:26,867 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 385 transitions. [2022-12-15 00:11:26,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-15 00:11:26,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:11:26,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:11:26,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:11:26,891 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-15 00:11:32,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:11:32,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 204 states and 392 transitions. [2022-12-15 00:11:32,271 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 392 transitions. [2022-12-15 00:11:32,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-15 00:11:32,272 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:11:32,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:11:32,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:11:32,304 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-15 00:11:51,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:11:51,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 214 states and 419 transitions. [2022-12-15 00:11:51,894 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 419 transitions. [2022-12-15 00:11:51,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-15 00:11:51,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:11:51,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:11:51,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:11:52,086 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-15 00:12:13,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:12:13,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 224 states and 444 transitions. [2022-12-15 00:12:13,210 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 444 transitions. [2022-12-15 00:12:13,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-15 00:12:13,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:12:13,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:12:13,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:12:15,864 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-15 00:13:03,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:13:03,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 238 states and 476 transitions. [2022-12-15 00:13:03,292 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 476 transitions. [2022-12-15 00:13:03,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-15 00:13:03,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:13:03,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:13:03,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:13:12,032 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 00:13:53,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:13:53,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 251 states and 512 transitions. [2022-12-15 00:13:53,754 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 512 transitions. [2022-12-15 00:13:53,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-15 00:13:53,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:13:53,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:13:53,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:13:57,886 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 00:14:33,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:14:33,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 263 states and 548 transitions. [2022-12-15 00:14:33,945 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 548 transitions. [2022-12-15 00:14:33,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-15 00:14:33,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:14:33,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:14:33,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:14:43,217 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:14:54,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:14:54,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 264 states and 548 transitions. [2022-12-15 00:14:54,917 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 548 transitions. [2022-12-15 00:14:54,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-15 00:14:54,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:14:54,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:14:54,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:14:55,093 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 00:14:57,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:14:57,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 265 states and 548 transitions. [2022-12-15 00:14:57,788 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 548 transitions. [2022-12-15 00:14:57,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-15 00:14:57,788 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:14:57,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:14:57,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:15:02,108 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 00:15:43,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:15:43,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 277 states and 582 transitions. [2022-12-15 00:15:43,627 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 582 transitions. [2022-12-15 00:15:43,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-15 00:15:43,628 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:15:43,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:15:43,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:15:43,755 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 00:15:46,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:15:46,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 278 states and 583 transitions. [2022-12-15 00:15:46,430 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 583 transitions. [2022-12-15 00:15:46,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-15 00:15:46,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:15:46,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:15:46,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:15:46,557 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 00:15:48,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:15:48,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 279 states and 583 transitions. [2022-12-15 00:15:48,748 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 583 transitions. [2022-12-15 00:15:48,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-15 00:15:48,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:15:48,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:15:48,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:15:56,950 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 1 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 00:16:15,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:16:15,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 283 states and 595 transitions. [2022-12-15 00:16:15,322 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 595 transitions. [2022-12-15 00:16:15,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-15 00:16:15,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:16:15,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:16:15,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:16:31,955 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 00:17:42,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:17:42,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 291 states and 613 transitions. [2022-12-15 00:17:42,805 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 613 transitions. [2022-12-15 00:17:42,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-15 00:17:42,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:17:42,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:17:42,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:17:42,825 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-12-15 00:17:44,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:17:44,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 291 states and 612 transitions. [2022-12-15 00:17:44,851 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 612 transitions. [2022-12-15 00:17:44,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-15 00:17:44,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:17:44,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:17:44,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:17:44,872 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-12-15 00:17:47,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:17:47,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 289 states and 609 transitions. [2022-12-15 00:17:47,414 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 609 transitions. [2022-12-15 00:17:47,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-15 00:17:47,414 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:17:47,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:17:47,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:17:47,443 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-12-15 00:17:50,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:17:50,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 289 states and 608 transitions. [2022-12-15 00:17:50,366 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 608 transitions. [2022-12-15 00:17:50,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-15 00:17:50,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:17:50,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:17:50,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:17:50,393 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-12-15 00:17:52,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:17:52,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 289 states and 607 transitions. [2022-12-15 00:17:52,854 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 607 transitions. [2022-12-15 00:17:52,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-15 00:17:52,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:17:52,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:17:52,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:18:01,027 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:18:36,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:18:36,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 296 states and 633 transitions. [2022-12-15 00:18:36,618 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 633 transitions. [2022-12-15 00:18:36,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-15 00:18:36,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:18:36,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:18:36,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:18:36,893 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 00:18:51,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:18:51,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 300 states and 643 transitions. [2022-12-15 00:18:51,635 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 643 transitions. [2022-12-15 00:18:51,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-15 00:18:51,635 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:18:51,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:18:51,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:18:53,696 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-15 00:19:35,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:19:35,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 311 states and 676 transitions. [2022-12-15 00:19:35,518 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 676 transitions. [2022-12-15 00:19:35,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-15 00:19:35,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:19:35,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:19:35,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:19:37,834 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 00:19:54,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:19:54,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 315 states and 682 transitions. [2022-12-15 00:19:54,983 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 682 transitions. [2022-12-15 00:19:54,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-15 00:19:54,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:19:54,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:19:54,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:19:55,044 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-15 00:20:09,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:20:09,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 319 states and 691 transitions. [2022-12-15 00:20:09,322 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 691 transitions. [2022-12-15 00:20:09,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-15 00:20:09,322 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:20:09,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:20:09,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:20:14,870 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 00:20:27,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:20:27,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 321 states and 697 transitions. [2022-12-15 00:20:27,655 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 697 transitions. [2022-12-15 00:20:27,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-15 00:20:27,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:20:27,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:20:27,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:20:27,716 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-15 00:20:34,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:20:34,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 323 states and 704 transitions. [2022-12-15 00:20:34,465 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 704 transitions. [2022-12-15 00:20:34,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-15 00:20:34,466 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:20:34,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:20:34,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:20:36,179 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 00:20:39,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:20:39,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 324 states and 707 transitions. [2022-12-15 00:20:39,682 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 707 transitions. [2022-12-15 00:20:39,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-15 00:20:39,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:20:39,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:20:39,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:20:39,741 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-15 00:20:43,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:20:43,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 325 states and 709 transitions. [2022-12-15 00:20:43,549 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 709 transitions. [2022-12-15 00:20:43,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-12-15 00:20:43,550 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:20:43,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:20:43,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:20:43,603 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.