./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops-crafted-1/loopv2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_6eff1c20-e9f1-4408-a71e-a8d937e020f6/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eff1c20-e9f1-4408-a71e-a8d937e020f6/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_6eff1c20-e9f1-4408-a71e-a8d937e020f6/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eff1c20-e9f1-4408-a71e-a8d937e020f6/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/loops-crafted-1/loopv2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eff1c20-e9f1-4408-a71e-a8d937e020f6/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eff1c20-e9f1-4408-a71e-a8d937e020f6/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c8ee88878035a7d0dcaaed453412906e138032b7646709b0475a2b7f1b3ea855 --- 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 01:38:29,871 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 01:38:29,873 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 01:38:29,890 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 01:38:29,891 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 01:38:29,892 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 01:38:29,893 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 01:38:29,894 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 01:38:29,895 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 01:38:29,896 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 01:38:29,897 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 01:38:29,898 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 01:38:29,898 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 01:38:29,899 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 01:38:29,900 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 01:38:29,901 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 01:38:29,902 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 01:38:29,903 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 01:38:29,904 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 01:38:29,906 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 01:38:29,907 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 01:38:29,908 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 01:38:29,909 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 01:38:29,910 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 01:38:29,913 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 01:38:29,913 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 01:38:29,914 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 01:38:29,915 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 01:38:29,915 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 01:38:29,916 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 01:38:29,916 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 01:38:29,917 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 01:38:29,917 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 01:38:29,918 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 01:38:29,919 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 01:38:29,919 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 01:38:29,919 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 01:38:29,920 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 01:38:29,920 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 01:38:29,921 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 01:38:29,922 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 01:38:29,922 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eff1c20-e9f1-4408-a71e-a8d937e020f6/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-15 01:38:29,944 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 01:38:29,944 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 01:38:29,945 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 01:38:29,945 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 01:38:29,946 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 01:38:29,946 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 01:38:29,946 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 01:38:29,946 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 01:38:29,946 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 01:38:29,947 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 01:38:29,947 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 01:38:29,947 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 01:38:29,947 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 01:38:29,947 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 01:38:29,948 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 01:38:29,948 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 01:38:29,948 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 01:38:29,948 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 01:38:29,948 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 01:38:29,949 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 01:38:29,949 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 01:38:29,949 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:38:29,949 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 01:38:29,949 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 01:38:29,950 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 01:38:29,950 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 01:38:29,950 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 01:38:29,950 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 01:38:29,950 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_6eff1c20-e9f1-4408-a71e-a8d937e020f6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eff1c20-e9f1-4408-a71e-a8d937e020f6/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8ee88878035a7d0dcaaed453412906e138032b7646709b0475a2b7f1b3ea855 [2022-12-15 01:38:30,154 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 01:38:30,177 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 01:38:30,179 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 01:38:30,180 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 01:38:30,181 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 01:38:30,182 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eff1c20-e9f1-4408-a71e-a8d937e020f6/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/loops-crafted-1/loopv2.c [2022-12-15 01:38:32,765 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 01:38:32,922 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 01:38:32,923 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eff1c20-e9f1-4408-a71e-a8d937e020f6/sv-benchmarks/c/loops-crafted-1/loopv2.c [2022-12-15 01:38:32,927 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eff1c20-e9f1-4408-a71e-a8d937e020f6/bin/ukojak-rkRKPMF4O4/data/b5a719820/07b020c9a81941d5a7e650a094c6e4dc/FLAGd297dacb6 [2022-12-15 01:38:33,324 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eff1c20-e9f1-4408-a71e-a8d937e020f6/bin/ukojak-rkRKPMF4O4/data/b5a719820/07b020c9a81941d5a7e650a094c6e4dc [2022-12-15 01:38:33,326 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 01:38:33,327 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 01:38:33,328 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 01:38:33,328 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 01:38:33,330 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 01:38:33,331 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:38:33" (1/1) ... [2022-12-15 01:38:33,332 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@170c3f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:38:33, skipping insertion in model container [2022-12-15 01:38:33,332 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:38:33" (1/1) ... [2022-12-15 01:38:33,337 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 01:38:33,347 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 01:38:33,443 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_6eff1c20-e9f1-4408-a71e-a8d937e020f6/sv-benchmarks/c/loops-crafted-1/loopv2.c[454,467] [2022-12-15 01:38:33,451 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:38:33,458 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 01:38:33,467 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_6eff1c20-e9f1-4408-a71e-a8d937e020f6/sv-benchmarks/c/loops-crafted-1/loopv2.c[454,467] [2022-12-15 01:38:33,469 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:38:33,478 INFO L208 MainTranslator]: Completed translation [2022-12-15 01:38:33,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:38:33 WrapperNode [2022-12-15 01:38:33,479 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 01:38:33,479 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 01:38:33,480 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 01:38:33,480 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 01:38:33,485 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:38:33" (1/1) ... [2022-12-15 01:38:33,490 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:38:33" (1/1) ... [2022-12-15 01:38:33,501 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 45 [2022-12-15 01:38:33,502 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 01:38:33,502 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 01:38:33,502 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 01:38:33,502 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 01:38:33,508 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:38:33" (1/1) ... [2022-12-15 01:38:33,509 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:38:33" (1/1) ... [2022-12-15 01:38:33,509 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:38:33" (1/1) ... [2022-12-15 01:38:33,509 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:38:33" (1/1) ... [2022-12-15 01:38:33,511 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:38:33" (1/1) ... [2022-12-15 01:38:33,513 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:38:33" (1/1) ... [2022-12-15 01:38:33,514 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:38:33" (1/1) ... [2022-12-15 01:38:33,514 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:38:33" (1/1) ... [2022-12-15 01:38:33,515 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 01:38:33,516 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 01:38:33,516 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 01:38:33,516 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 01:38:33,517 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:38:33" (1/1) ... [2022-12-15 01:38:33,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:38:33,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eff1c20-e9f1-4408-a71e-a8d937e020f6/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 01:38:33,541 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eff1c20-e9f1-4408-a71e-a8d937e020f6/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 01:38:33,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6eff1c20-e9f1-4408-a71e-a8d937e020f6/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 01:38:33,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 01:38:33,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 01:38:33,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 01:38:33,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 01:38:33,625 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 01:38:33,627 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 01:38:33,710 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 01:38:33,730 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 01:38:33,730 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-15 01:38:33,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:38:33 BoogieIcfgContainer [2022-12-15 01:38:33,732 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 01:38:33,733 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 01:38:33,733 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 01:38:33,740 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 01:38:33,740 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:38:33" (1/1) ... [2022-12-15 01:38:33,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 01:38:33,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:38:33,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2022-12-15 01:38:33,783 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2022-12-15 01:38:33,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-15 01:38:33,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:38:33,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:38:33,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:38:34,015 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 01:38:34,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:38:34,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2022-12-15 01:38:34,053 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2022-12-15 01:38:34,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-15 01:38:34,054 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:38:34,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:38:34,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:38:34,256 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 01:38:34,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:38:34,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 15 states and 28 transitions. [2022-12-15 01:38:34,397 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 28 transitions. [2022-12-15 01:38:34,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-15 01:38:34,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:38:34,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:38:34,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:38:34,545 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 01:38:34,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:38:34,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 18 states and 37 transitions. [2022-12-15 01:38:34,737 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 37 transitions. [2022-12-15 01:38:34,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 01:38:34,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:38:34,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:38:34,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:38:34,859 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:38:35,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:38:35,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 19 states and 41 transitions. [2022-12-15 01:38:35,005 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 41 transitions. [2022-12-15 01:38:35,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 01:38:35,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:38:35,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:38:35,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:38:35,139 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:38:35,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:38:35,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 21 states and 46 transitions. [2022-12-15 01:38:35,473 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 46 transitions. [2022-12-15 01:38:35,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 01:38:35,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:38:35,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:38:35,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:38:35,571 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:38:35,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:38:35,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 22 states and 51 transitions. [2022-12-15 01:38:35,776 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 51 transitions. [2022-12-15 01:38:35,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-15 01:38:35,777 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:38:35,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:38:35,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:38:35,892 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:38:36,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:38:36,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 23 states and 56 transitions. [2022-12-15 01:38:36,117 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 56 transitions. [2022-12-15 01:38:36,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-15 01:38:36,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:38:36,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:38:36,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:38:36,262 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:38:36,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:38:36,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 24 states and 61 transitions. [2022-12-15 01:38:36,531 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 61 transitions. [2022-12-15 01:38:36,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-15 01:38:36,532 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:38:36,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:38:36,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:38:36,642 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:38:37,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:38:37,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 26 states and 79 transitions. [2022-12-15 01:38:37,001 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 79 transitions. [2022-12-15 01:38:37,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 01:38:37,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:38:37,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:38:37,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:38:37,156 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:38:37,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:38:37,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 27 states and 85 transitions. [2022-12-15 01:38:37,480 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 85 transitions. [2022-12-15 01:38:37,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 01:38:37,480 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:38:37,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:38:37,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:38:37,633 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:38:38,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:38:38,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 28 states and 91 transitions. [2022-12-15 01:38:38,023 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 91 transitions. [2022-12-15 01:38:38,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-15 01:38:38,023 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:38:38,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:38:38,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:38:38,208 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:38:38,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:38:38,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 29 states and 97 transitions. [2022-12-15 01:38:38,628 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 97 transitions. [2022-12-15 01:38:38,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-15 01:38:38,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:38:38,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:38:38,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:38:38,822 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:38:39,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:38:39,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 30 states and 103 transitions. [2022-12-15 01:38:39,302 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 103 transitions. [2022-12-15 01:38:39,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 01:38:39,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:38:39,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:38:39,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:38:39,485 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:38:39,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:38:39,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 31 states and 109 transitions. [2022-12-15 01:38:39,876 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 109 transitions. [2022-12-15 01:38:39,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-15 01:38:39,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:38:39,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:38:39,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:38:40,022 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:38:40,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:38:40,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 32 states and 115 transitions. [2022-12-15 01:38:40,388 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 115 transitions. [2022-12-15 01:38:40,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-15 01:38:40,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:38:40,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:38:40,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:38:40,535 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:38:40,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:38:40,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 33 states and 121 transitions. [2022-12-15 01:38:40,994 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 121 transitions. [2022-12-15 01:38:40,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 01:38:40,994 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:38:40,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:38:41,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:38:41,214 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:38:41,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:38:41,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 34 states and 127 transitions. [2022-12-15 01:38:41,785 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 127 transitions. [2022-12-15 01:38:41,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-15 01:38:41,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:38:41,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:38:41,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:38:41,974 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:38:42,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:38:42,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 35 states and 133 transitions. [2022-12-15 01:38:42,468 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 133 transitions. [2022-12-15 01:38:42,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-15 01:38:42,469 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:38:42,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:38:42,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:38:42,713 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:38:43,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:38:43,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 36 states and 139 transitions. [2022-12-15 01:38:43,340 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 139 transitions. [2022-12-15 01:38:43,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 01:38:43,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:38:43,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:38:43,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:38:43,611 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:38:44,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:38:44,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 37 states and 145 transitions. [2022-12-15 01:38:44,372 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 145 transitions. [2022-12-15 01:38:44,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 01:38:44,372 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:38:44,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:38:44,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:38:44,671 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:38:45,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:38:45,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 38 states and 151 transitions. [2022-12-15 01:38:45,461 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 151 transitions. [2022-12-15 01:38:45,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-15 01:38:45,461 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:38:45,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:38:45,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:38:45,664 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:38:46,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:38:46,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 39 states and 157 transitions. [2022-12-15 01:38:46,387 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 157 transitions. [2022-12-15 01:38:46,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-15 01:38:46,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:38:46,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:38:46,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:38:46,683 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:38:47,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:38:47,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 40 states and 163 transitions. [2022-12-15 01:38:47,400 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 163 transitions. [2022-12-15 01:38:47,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-15 01:38:47,401 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:38:47,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:38:47,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:38:47,731 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:38:48,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:38:48,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 41 states and 169 transitions. [2022-12-15 01:38:48,559 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 169 transitions. [2022-12-15 01:38:48,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-15 01:38:48,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:38:48,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:38:48,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:38:48,763 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:38:49,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:38:49,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 42 states and 175 transitions. [2022-12-15 01:38:49,557 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 175 transitions. [2022-12-15 01:38:49,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-15 01:38:49,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:38:49,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:38:49,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:38:49,865 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:38:50,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:38:50,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 43 states and 181 transitions. [2022-12-15 01:38:50,852 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 181 transitions. [2022-12-15 01:38:50,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-15 01:38:50,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:38:50,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:38:50,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:38:51,059 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:38:52,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:38:52,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 44 states and 187 transitions. [2022-12-15 01:38:52,117 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 187 transitions. [2022-12-15 01:38:52,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-15 01:38:52,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:38:52,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:38:52,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:38:52,379 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:38:53,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:38:53,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 45 states and 193 transitions. [2022-12-15 01:38:53,390 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 193 transitions. [2022-12-15 01:38:53,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-15 01:38:53,391 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:38:53,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:38:53,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:38:53,621 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:38:54,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:38:54,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 46 states and 199 transitions. [2022-12-15 01:38:54,738 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 199 transitions. [2022-12-15 01:38:54,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-15 01:38:54,739 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:38:54,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:38:54,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:38:55,187 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:38:56,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:38:56,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 47 states and 205 transitions. [2022-12-15 01:38:56,637 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 205 transitions. [2022-12-15 01:38:56,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-15 01:38:56,638 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:38:56,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:38:56,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:38:57,056 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:38:58,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:38:58,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 48 states and 211 transitions. [2022-12-15 01:38:58,564 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 211 transitions. [2022-12-15 01:38:58,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-15 01:38:58,564 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:38:58,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:38:58,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:38:58,835 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:38:59,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:38:59,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 49 states and 217 transitions. [2022-12-15 01:38:59,990 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 217 transitions. [2022-12-15 01:38:59,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-15 01:38:59,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:38:59,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:38:59,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:39:00,276 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:39:01,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:39:01,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 50 states and 223 transitions. [2022-12-15 01:39:01,531 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 223 transitions. [2022-12-15 01:39:01,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-15 01:39:01,532 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:39:01,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:39:01,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:39:01,797 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:39:03,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:39:03,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 51 states and 229 transitions. [2022-12-15 01:39:03,204 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 229 transitions. [2022-12-15 01:39:03,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-15 01:39:03,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:39:03,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:39:03,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:39:03,661 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:39:05,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:39:05,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 52 states and 235 transitions. [2022-12-15 01:39:05,289 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 235 transitions. [2022-12-15 01:39:05,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-12-15 01:39:05,289 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:39:05,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:39:05,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:39:05,757 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:39:07,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:39:07,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 53 states and 241 transitions. [2022-12-15 01:39:07,655 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 241 transitions. [2022-12-15 01:39:07,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-15 01:39:07,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:39:07,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:39:07,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:39:08,006 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:39:09,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:39:09,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 54 states and 247 transitions. [2022-12-15 01:39:09,815 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 247 transitions. [2022-12-15 01:39:09,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-12-15 01:39:09,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:39:09,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:39:09,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:39:10,172 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:39:11,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:39:11,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 55 states and 253 transitions. [2022-12-15 01:39:11,954 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 253 transitions. [2022-12-15 01:39:11,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-15 01:39:11,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:39:11,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:39:11,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:39:12,525 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:39:14,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:39:14,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 56 states and 259 transitions. [2022-12-15 01:39:14,350 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 259 transitions. [2022-12-15 01:39:14,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-12-15 01:39:14,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:39:14,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:39:14,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:39:14,933 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:39:16,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:39:16,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 57 states and 265 transitions. [2022-12-15 01:39:16,991 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 265 transitions. [2022-12-15 01:39:16,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-12-15 01:39:16,991 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:39:16,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:39:17,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:39:17,548 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:39:19,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:39:19,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 58 states and 271 transitions. [2022-12-15 01:39:19,679 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 271 transitions. [2022-12-15 01:39:19,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-12-15 01:39:19,680 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:39:19,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:39:19,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:39:20,034 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:39:21,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:39:21,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 59 states and 277 transitions. [2022-12-15 01:39:21,923 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 277 transitions. [2022-12-15 01:39:21,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-12-15 01:39:21,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:39:21,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:39:21,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:39:22,572 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:39:24,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:39:24,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 60 states and 283 transitions. [2022-12-15 01:39:24,872 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 283 transitions. [2022-12-15 01:39:24,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-12-15 01:39:24,872 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:39:24,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:39:24,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:39:25,259 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:39:27,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:39:27,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 61 states and 289 transitions. [2022-12-15 01:39:27,279 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 289 transitions. [2022-12-15 01:39:27,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-12-15 01:39:27,279 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:39:27,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:39:27,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:39:27,863 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:39:30,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:39:30,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 62 states and 295 transitions. [2022-12-15 01:39:30,184 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 295 transitions. [2022-12-15 01:39:30,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-12-15 01:39:30,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:39:30,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:39:30,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:39:30,855 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:39:33,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:39:33,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 63 states and 301 transitions. [2022-12-15 01:39:33,425 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 301 transitions. [2022-12-15 01:39:33,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-12-15 01:39:33,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:39:33,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:39:33,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:39:34,184 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:39:36,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:39:36,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 64 states and 307 transitions. [2022-12-15 01:39:36,614 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 307 transitions. [2022-12-15 01:39:36,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-12-15 01:39:36,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:39:36,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:39:36,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:39:37,257 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:39:40,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:39:40,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 65 states and 313 transitions. [2022-12-15 01:39:40,019 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 313 transitions. [2022-12-15 01:39:40,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-12-15 01:39:40,019 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:39:40,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:39:40,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:39:40,776 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:39:43,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:39:43,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 66 states and 319 transitions. [2022-12-15 01:39:43,665 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 319 transitions. [2022-12-15 01:39:43,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-12-15 01:39:43,665 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:39:43,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:39:43,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:39:44,434 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:39:47,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:39:47,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 67 states and 325 transitions. [2022-12-15 01:39:47,277 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 325 transitions. [2022-12-15 01:39:47,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-12-15 01:39:47,277 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:39:47,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:39:47,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:39:48,074 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:39:51,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:39:51,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 68 states and 331 transitions. [2022-12-15 01:39:51,051 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 331 transitions. [2022-12-15 01:39:51,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-12-15 01:39:51,052 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:39:51,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:39:51,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:39:51,827 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:39:54,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:39:54,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 69 states and 337 transitions. [2022-12-15 01:39:54,908 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 337 transitions. [2022-12-15 01:39:54,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-12-15 01:39:54,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:39:54,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:39:54,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:39:55,806 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:39:59,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:39:59,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 70 states and 343 transitions. [2022-12-15 01:39:59,054 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 343 transitions. [2022-12-15 01:39:59,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-12-15 01:39:59,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:39:59,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:39:59,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:39:59,980 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:40:03,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:40:03,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 71 states and 349 transitions. [2022-12-15 01:40:03,454 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 349 transitions. [2022-12-15 01:40:03,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-12-15 01:40:03,454 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:40:03,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:40:03,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:40:04,055 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:40:07,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:40:07,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 72 states and 355 transitions. [2022-12-15 01:40:07,445 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 355 transitions. [2022-12-15 01:40:07,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-12-15 01:40:07,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:40:07,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:40:07,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:40:08,066 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:40:11,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:40:11,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 73 states and 361 transitions. [2022-12-15 01:40:11,105 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 361 transitions. [2022-12-15 01:40:11,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-12-15 01:40:11,105 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:40:11,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:40:11,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:40:11,662 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:40:14,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:40:14,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 74 states and 367 transitions. [2022-12-15 01:40:14,889 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 367 transitions. [2022-12-15 01:40:14,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-12-15 01:40:14,889 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:40:14,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:40:14,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:40:15,533 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:40:18,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:40:18,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 75 states and 373 transitions. [2022-12-15 01:40:18,791 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 373 transitions. [2022-12-15 01:40:18,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-12-15 01:40:18,791 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:40:18,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:40:18,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:40:19,754 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:40:23,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:40:23,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 76 states and 379 transitions. [2022-12-15 01:40:23,416 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 379 transitions. [2022-12-15 01:40:23,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-12-15 01:40:23,417 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:40:23,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:40:23,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:40:24,425 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:40:28,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:40:28,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 77 states and 385 transitions. [2022-12-15 01:40:28,367 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 385 transitions. [2022-12-15 01:40:28,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-12-15 01:40:28,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:40:28,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:40:28,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:40:29,118 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:40:33,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:40:33,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 78 states and 391 transitions. [2022-12-15 01:40:33,230 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 391 transitions. [2022-12-15 01:40:33,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-12-15 01:40:33,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:40:33,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:40:33,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:40:34,374 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:40:38,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:40:38,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 79 states and 397 transitions. [2022-12-15 01:40:38,886 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 397 transitions. [2022-12-15 01:40:38,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-12-15 01:40:38,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:40:38,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:40:38,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:40:39,637 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:40:43,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:40:43,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 80 states and 403 transitions. [2022-12-15 01:40:43,926 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 403 transitions. [2022-12-15 01:40:43,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-12-15 01:40:43,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:40:43,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:40:43,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:40:45,103 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:40:49,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:40:49,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 81 states and 409 transitions. [2022-12-15 01:40:49,448 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 409 transitions. [2022-12-15 01:40:49,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-12-15 01:40:49,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:40:49,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:40:49,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:40:50,270 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:40:54,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:40:54,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 82 states and 415 transitions. [2022-12-15 01:40:54,354 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 415 transitions. [2022-12-15 01:40:54,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-12-15 01:40:54,354 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:40:54,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:40:54,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:40:55,497 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 0 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:40:59,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:40:59,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 83 states and 421 transitions. [2022-12-15 01:40:59,949 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 421 transitions. [2022-12-15 01:40:59,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-12-15 01:40:59,949 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:40:59,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:40:59,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:41:01,091 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 0 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:41:05,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:41:05,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 84 states and 427 transitions. [2022-12-15 01:41:05,791 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 427 transitions. [2022-12-15 01:41:05,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-12-15 01:41:05,791 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:41:05,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:41:05,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:41:07,121 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:41:12,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:41:12,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 85 states and 433 transitions. [2022-12-15 01:41:12,003 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 433 transitions. [2022-12-15 01:41:12,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-12-15 01:41:12,003 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:41:12,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:41:12,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:41:13,230 INFO L134 CoverageAnalysis]: Checked inductivity of 2211 backedges. 0 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:41:18,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:41:18,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 86 states and 439 transitions. [2022-12-15 01:41:18,216 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 439 transitions. [2022-12-15 01:41:18,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-12-15 01:41:18,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:41:18,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:41:18,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:41:19,495 INFO L134 CoverageAnalysis]: Checked inductivity of 2278 backedges. 0 proven. 2278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:41:24,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:41:24,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 87 states and 445 transitions. [2022-12-15 01:41:24,584 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 445 transitions. [2022-12-15 01:41:24,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-12-15 01:41:24,585 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:41:24,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:41:24,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:41:26,068 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:41:31,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:41:31,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 88 states and 451 transitions. [2022-12-15 01:41:31,169 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 451 transitions. [2022-12-15 01:41:31,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-12-15 01:41:31,170 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:41:31,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:41:31,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:41:32,533 INFO L134 CoverageAnalysis]: Checked inductivity of 2415 backedges. 0 proven. 2415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:41:38,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:41:38,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 89 states and 457 transitions. [2022-12-15 01:41:38,035 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 457 transitions. [2022-12-15 01:41:38,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-12-15 01:41:38,036 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:41:38,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:41:38,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:41:38,926 INFO L134 CoverageAnalysis]: Checked inductivity of 2485 backedges. 0 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:41:43,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:41:43,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 90 states and 463 transitions. [2022-12-15 01:41:43,925 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 463 transitions. [2022-12-15 01:41:43,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-12-15 01:41:43,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:41:43,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:41:43,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:41:45,299 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 2556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:41:50,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:41:50,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 91 states and 469 transitions. [2022-12-15 01:41:50,838 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 469 transitions. [2022-12-15 01:41:50,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-12-15 01:41:50,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:41:50,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:41:50,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:41:52,159 INFO L134 CoverageAnalysis]: Checked inductivity of 2628 backedges. 0 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:41:57,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:41:57,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 92 states and 475 transitions. [2022-12-15 01:41:57,757 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 475 transitions. [2022-12-15 01:41:57,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-12-15 01:41:57,758 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:41:57,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:41:57,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:41:59,162 INFO L134 CoverageAnalysis]: Checked inductivity of 2701 backedges. 0 proven. 2701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:42:05,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:42:05,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 93 states and 481 transitions. [2022-12-15 01:42:05,370 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 481 transitions. [2022-12-15 01:42:05,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-12-15 01:42:05,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:42:05,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:42:05,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:42:06,320 INFO L134 CoverageAnalysis]: Checked inductivity of 2775 backedges. 0 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:42:11,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:42:11,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 94 states and 487 transitions. [2022-12-15 01:42:11,563 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 487 transitions. [2022-12-15 01:42:11,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-12-15 01:42:11,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:42:11,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:42:11,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:42:13,046 INFO L134 CoverageAnalysis]: Checked inductivity of 2850 backedges. 0 proven. 2850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:42:19,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:42:19,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 95 states and 493 transitions. [2022-12-15 01:42:19,187 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 493 transitions. [2022-12-15 01:42:19,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-12-15 01:42:19,187 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:42:19,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:42:19,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:42:20,743 INFO L134 CoverageAnalysis]: Checked inductivity of 2926 backedges. 0 proven. 2926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:42:26,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:42:26,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 96 states and 499 transitions. [2022-12-15 01:42:26,851 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 499 transitions. [2022-12-15 01:42:26,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-12-15 01:42:26,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:42:26,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:42:26,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:42:28,354 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 0 proven. 3003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:42:34,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:42:34,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 97 states and 505 transitions. [2022-12-15 01:42:34,858 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 505 transitions. [2022-12-15 01:42:34,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-12-15 01:42:34,858 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:42:34,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:42:34,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:42:35,893 INFO L134 CoverageAnalysis]: Checked inductivity of 3081 backedges. 0 proven. 3081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:42:41,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:42:41,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 98 states and 511 transitions. [2022-12-15 01:42:41,910 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 511 transitions. [2022-12-15 01:42:41,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-12-15 01:42:41,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:42:41,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:42:41,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:42:43,039 INFO L134 CoverageAnalysis]: Checked inductivity of 3160 backedges. 0 proven. 3160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:42:49,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:42:49,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 99 states and 517 transitions. [2022-12-15 01:42:49,154 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 517 transitions. [2022-12-15 01:42:49,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-12-15 01:42:49,154 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:42:49,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:42:49,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:42:50,284 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 3240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:42:56,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:42:56,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 100 states and 523 transitions. [2022-12-15 01:42:56,229 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 523 transitions. [2022-12-15 01:42:56,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-12-15 01:42:56,229 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:42:56,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:42:56,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:42:57,373 INFO L134 CoverageAnalysis]: Checked inductivity of 3321 backedges. 0 proven. 3321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:43:03,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:43:03,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 101 states and 529 transitions. [2022-12-15 01:43:03,845 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 529 transitions. [2022-12-15 01:43:03,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-12-15 01:43:03,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:43:03,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:43:03,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:43:05,843 INFO L134 CoverageAnalysis]: Checked inductivity of 3403 backedges. 0 proven. 3403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:43:13,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:43:13,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 102 states and 535 transitions. [2022-12-15 01:43:13,581 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 535 transitions. [2022-12-15 01:43:13,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-12-15 01:43:13,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:43:13,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:43:13,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:43:15,541 INFO L134 CoverageAnalysis]: Checked inductivity of 3486 backedges. 0 proven. 3486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:43:23,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:43:23,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 103 states and 541 transitions. [2022-12-15 01:43:23,793 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 541 transitions. [2022-12-15 01:43:23,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-12-15 01:43:23,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:43:23,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:43:23,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:43:25,932 INFO L134 CoverageAnalysis]: Checked inductivity of 3570 backedges. 0 proven. 3570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:43:33,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:43:33,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 104 states and 547 transitions. [2022-12-15 01:43:33,717 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 547 transitions. [2022-12-15 01:43:33,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-12-15 01:43:33,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:43:33,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:43:33,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:43:35,874 INFO L134 CoverageAnalysis]: Checked inductivity of 3655 backedges. 0 proven. 3655 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:43:44,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:43:44,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 105 states and 553 transitions. [2022-12-15 01:43:44,159 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 553 transitions. [2022-12-15 01:43:44,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-12-15 01:43:44,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:43:44,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:43:44,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:43:46,208 INFO L134 CoverageAnalysis]: Checked inductivity of 3741 backedges. 0 proven. 3741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:43:53,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:43:53,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 106 states and 559 transitions. [2022-12-15 01:43:53,640 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 559 transitions. [2022-12-15 01:43:53,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-12-15 01:43:53,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:43:53,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:43:53,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:43:55,691 INFO L134 CoverageAnalysis]: Checked inductivity of 3828 backedges. 0 proven. 3828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:44:04,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:44:04,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 107 states and 565 transitions. [2022-12-15 01:44:04,022 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 565 transitions. [2022-12-15 01:44:04,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-12-15 01:44:04,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:44:04,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:44:04,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:44:05,992 INFO L134 CoverageAnalysis]: Checked inductivity of 3916 backedges. 0 proven. 3916 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:44:14,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:44:14,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 108 states and 571 transitions. [2022-12-15 01:44:14,004 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 571 transitions. [2022-12-15 01:44:14,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-12-15 01:44:14,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:44:14,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:44:14,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:44:15,291 INFO L134 CoverageAnalysis]: Checked inductivity of 4005 backedges. 0 proven. 4005 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:44:22,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:44:22,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 109 states and 577 transitions. [2022-12-15 01:44:22,907 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 577 transitions. [2022-12-15 01:44:22,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-12-15 01:44:22,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:44:22,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:44:22,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:44:24,199 INFO L134 CoverageAnalysis]: Checked inductivity of 4095 backedges. 0 proven. 4095 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:44:31,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:44:31,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 110 states and 583 transitions. [2022-12-15 01:44:31,968 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 583 transitions. [2022-12-15 01:44:31,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-12-15 01:44:31,968 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:44:31,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:44:32,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:44:34,048 INFO L134 CoverageAnalysis]: Checked inductivity of 4186 backedges. 0 proven. 4186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:44:42,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:44:42,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 111 states and 589 transitions. [2022-12-15 01:44:42,865 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 589 transitions. [2022-12-15 01:44:42,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-12-15 01:44:42,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:44:42,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:44:42,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:44:44,345 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 0 proven. 4278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:44:52,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:44:52,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 112 states and 595 transitions. [2022-12-15 01:44:52,295 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 595 transitions. [2022-12-15 01:44:52,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-12-15 01:44:52,295 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:44:52,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:44:52,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:44:54,446 INFO L134 CoverageAnalysis]: Checked inductivity of 4371 backedges. 0 proven. 4371 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:45:03,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:45:03,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 113 states and 601 transitions. [2022-12-15 01:45:03,686 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 601 transitions. [2022-12-15 01:45:03,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-12-15 01:45:03,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:45:03,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:45:03,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:45:05,884 INFO L134 CoverageAnalysis]: Checked inductivity of 4465 backedges. 0 proven. 4465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:45:15,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:45:15,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 114 states and 607 transitions. [2022-12-15 01:45:15,568 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 607 transitions. [2022-12-15 01:45:15,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-12-15 01:45:15,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:45:15,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:45:15,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:45:18,087 INFO L134 CoverageAnalysis]: Checked inductivity of 4560 backedges. 0 proven. 4560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:45:28,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:45:28,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 115 states and 613 transitions. [2022-12-15 01:45:28,051 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 613 transitions. [2022-12-15 01:45:28,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-12-15 01:45:28,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:45:28,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:45:28,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:45:30,626 INFO L134 CoverageAnalysis]: Checked inductivity of 4656 backedges. 0 proven. 4656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:45:39,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:45:39,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 116 states and 619 transitions. [2022-12-15 01:45:39,838 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 619 transitions. [2022-12-15 01:45:39,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-12-15 01:45:39,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:45:39,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:45:39,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:45:42,245 INFO L134 CoverageAnalysis]: Checked inductivity of 4753 backedges. 0 proven. 4753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:45:51,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:45:51,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 117 states and 625 transitions. [2022-12-15 01:45:51,748 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 625 transitions. [2022-12-15 01:45:51,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-12-15 01:45:51,749 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:45:51,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:45:51,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:45:53,276 INFO L134 CoverageAnalysis]: Checked inductivity of 4851 backedges. 0 proven. 4851 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:46:02,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:46:02,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 118 states and 631 transitions. [2022-12-15 01:46:02,552 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 631 transitions. [2022-12-15 01:46:02,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-12-15 01:46:02,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:46:02,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:46:02,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:46:04,848 INFO L134 CoverageAnalysis]: Checked inductivity of 4950 backedges. 0 proven. 4950 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:46:14,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:46:14,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 119 states and 637 transitions. [2022-12-15 01:46:14,698 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 637 transitions. [2022-12-15 01:46:14,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-12-15 01:46:14,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:46:14,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:46:14,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:46:16,296 INFO L134 CoverageAnalysis]: Checked inductivity of 5050 backedges. 0 proven. 5050 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:46:25,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:46:25,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 120 states and 643 transitions. [2022-12-15 01:46:25,553 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 643 transitions. [2022-12-15 01:46:25,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-12-15 01:46:25,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:46:25,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:46:25,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:46:27,928 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 5151 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:46:38,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:46:38,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 121 states and 649 transitions. [2022-12-15 01:46:38,068 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 649 transitions. [2022-12-15 01:46:38,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-12-15 01:46:38,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:46:38,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:46:38,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:46:40,757 INFO L134 CoverageAnalysis]: Checked inductivity of 5253 backedges. 0 proven. 5253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:46:50,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:46:50,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 122 states and 655 transitions. [2022-12-15 01:46:50,758 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 655 transitions. [2022-12-15 01:46:50,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-12-15 01:46:50,758 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:46:50,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:46:50,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:46:52,377 INFO L134 CoverageAnalysis]: Checked inductivity of 5356 backedges. 0 proven. 5356 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:47:02,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:47:02,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 123 states and 661 transitions. [2022-12-15 01:47:02,458 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 661 transitions. [2022-12-15 01:47:02,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-12-15 01:47:02,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:47:02,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:47:02,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:47:04,227 INFO L134 CoverageAnalysis]: Checked inductivity of 5460 backedges. 0 proven. 5460 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:47:13,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:47:13,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 124 states and 667 transitions. [2022-12-15 01:47:13,623 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 667 transitions. [2022-12-15 01:47:13,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-12-15 01:47:13,624 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:47:13,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:47:13,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:47:16,295 INFO L134 CoverageAnalysis]: Checked inductivity of 5565 backedges. 0 proven. 5565 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:47:27,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:47:27,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 125 states and 673 transitions. [2022-12-15 01:47:27,321 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 673 transitions. [2022-12-15 01:47:27,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-12-15 01:47:27,321 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:47:27,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:47:27,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:47:30,024 INFO L134 CoverageAnalysis]: Checked inductivity of 5671 backedges. 0 proven. 5671 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:47:40,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:47:40,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 126 states and 679 transitions. [2022-12-15 01:47:40,847 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 679 transitions. [2022-12-15 01:47:40,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-12-15 01:47:40,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:47:40,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:47:40,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:47:43,979 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 0 proven. 5778 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:47:55,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:47:55,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 127 states and 685 transitions. [2022-12-15 01:47:55,161 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 685 transitions. [2022-12-15 01:47:55,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-12-15 01:47:55,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:47:55,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:47:55,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:47:57,984 INFO L134 CoverageAnalysis]: Checked inductivity of 5886 backedges. 0 proven. 5886 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:48:09,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:48:09,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 128 states and 691 transitions. [2022-12-15 01:48:09,198 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 691 transitions. [2022-12-15 01:48:09,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-12-15 01:48:09,198 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:48:09,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:48:09,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:48:12,052 INFO L134 CoverageAnalysis]: Checked inductivity of 5995 backedges. 0 proven. 5995 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:48:23,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:48:23,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 129 states and 697 transitions. [2022-12-15 01:48:23,127 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 697 transitions. [2022-12-15 01:48:23,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-12-15 01:48:23,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:48:23,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:48:23,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:48:26,122 INFO L134 CoverageAnalysis]: Checked inductivity of 6105 backedges. 0 proven. 6105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:48:38,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:48:38,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 130 states and 703 transitions. [2022-12-15 01:48:38,448 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 703 transitions. [2022-12-15 01:48:38,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-12-15 01:48:38,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:48:38,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:48:38,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:48:41,477 INFO L134 CoverageAnalysis]: Checked inductivity of 6216 backedges. 0 proven. 6216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:48:53,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:48:53,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 131 states and 709 transitions. [2022-12-15 01:48:53,106 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 709 transitions. [2022-12-15 01:48:53,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-12-15 01:48:53,106 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:48:53,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:48:53,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:48:55,290 INFO L134 CoverageAnalysis]: Checked inductivity of 6328 backedges. 0 proven. 6328 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:49:06,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:49:06,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 715 states to 132 states and 715 transitions. [2022-12-15 01:49:06,115 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 715 transitions. [2022-12-15 01:49:06,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-12-15 01:49:06,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:49:06,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:49:06,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:49:08,093 INFO L134 CoverageAnalysis]: Checked inductivity of 6441 backedges. 0 proven. 6441 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:49:19,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:49:19,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 133 states and 721 transitions. [2022-12-15 01:49:19,122 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 721 transitions. [2022-12-15 01:49:19,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-12-15 01:49:19,122 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:49:19,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:49:19,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:49:22,026 INFO L134 CoverageAnalysis]: Checked inductivity of 6555 backedges. 0 proven. 6555 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:49:34,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:49:34,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 134 states and 727 transitions. [2022-12-15 01:49:34,664 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 727 transitions. [2022-12-15 01:49:34,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-12-15 01:49:34,664 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:49:34,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:49:34,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:49:37,806 INFO L134 CoverageAnalysis]: Checked inductivity of 6670 backedges. 0 proven. 6670 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:49:49,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:49:49,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 135 states and 733 transitions. [2022-12-15 01:49:49,931 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 733 transitions. [2022-12-15 01:49:49,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-12-15 01:49:49,931 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:49:49,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:49:50,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:49:53,018 INFO L134 CoverageAnalysis]: Checked inductivity of 6786 backedges. 0 proven. 6786 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:50:06,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:50:06,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 136 states and 739 transitions. [2022-12-15 01:50:06,943 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 739 transitions. [2022-12-15 01:50:06,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-12-15 01:50:06,944 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:50:06,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:50:07,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:50:09,299 INFO L134 CoverageAnalysis]: Checked inductivity of 6903 backedges. 0 proven. 6903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:50:21,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:50:21,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 137 states and 745 transitions. [2022-12-15 01:50:21,219 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 745 transitions. [2022-12-15 01:50:21,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-12-15 01:50:21,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:50:21,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:50:21,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:50:24,483 INFO L134 CoverageAnalysis]: Checked inductivity of 7021 backedges. 0 proven. 7021 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:50:38,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:50:38,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 751 states to 138 states and 751 transitions. [2022-12-15 01:50:38,048 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 751 transitions. [2022-12-15 01:50:38,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-12-15 01:50:38,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:50:38,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:50:38,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:50:41,380 INFO L134 CoverageAnalysis]: Checked inductivity of 7140 backedges. 0 proven. 7140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:50:55,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:50:55,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 139 states and 757 transitions. [2022-12-15 01:50:55,882 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 757 transitions. [2022-12-15 01:50:55,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-12-15 01:50:55,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:50:55,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:50:55,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:50:58,295 INFO L134 CoverageAnalysis]: Checked inductivity of 7260 backedges. 0 proven. 7260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:51:10,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:51:10,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 140 states and 763 transitions. [2022-12-15 01:51:10,764 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 763 transitions. [2022-12-15 01:51:10,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-12-15 01:51:10,765 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:51:10,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:51:10,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:51:14,351 INFO L134 CoverageAnalysis]: Checked inductivity of 7381 backedges. 0 proven. 7381 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:51:29,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:51:29,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 141 states and 769 transitions. [2022-12-15 01:51:29,645 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 769 transitions. [2022-12-15 01:51:29,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-12-15 01:51:29,646 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:51:29,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:51:29,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:51:31,885 INFO L134 CoverageAnalysis]: Checked inductivity of 7503 backedges. 0 proven. 7503 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:51:43,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:51:43,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 142 states and 775 transitions. [2022-12-15 01:51:43,949 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 775 transitions. [2022-12-15 01:51:43,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-12-15 01:51:43,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:51:43,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:51:44,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:51:47,388 INFO L134 CoverageAnalysis]: Checked inductivity of 7626 backedges. 0 proven. 7626 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:52:01,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:52:01,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 143 states and 781 transitions. [2022-12-15 01:52:01,278 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 781 transitions. [2022-12-15 01:52:01,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-12-15 01:52:01,278 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:52:01,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:52:01,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:52:04,693 INFO L134 CoverageAnalysis]: Checked inductivity of 7750 backedges. 0 proven. 7750 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:52:18,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:52:18,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 144 states and 787 transitions. [2022-12-15 01:52:18,642 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 787 transitions. [2022-12-15 01:52:18,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-12-15 01:52:18,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:52:18,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:52:18,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:52:22,193 INFO L134 CoverageAnalysis]: Checked inductivity of 7875 backedges. 0 proven. 7875 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:52:36,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:52:36,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 145 states and 793 transitions. [2022-12-15 01:52:36,359 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 793 transitions. [2022-12-15 01:52:36,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-12-15 01:52:36,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:52:36,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:52:36,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:52:38,851 INFO L134 CoverageAnalysis]: Checked inductivity of 8001 backedges. 0 proven. 8001 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:52:52,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:52:52,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 146 states and 799 transitions. [2022-12-15 01:52:52,046 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 799 transitions. [2022-12-15 01:52:52,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-12-15 01:52:52,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:52:52,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:52:52,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:52:55,930 INFO L134 CoverageAnalysis]: Checked inductivity of 8128 backedges. 0 proven. 8128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:53:11,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:53:11,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 147 states and 805 transitions. [2022-12-15 01:53:11,904 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 805 transitions. [2022-12-15 01:53:11,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-12-15 01:53:11,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:53:11,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:53:11,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:53:15,886 INFO L134 CoverageAnalysis]: Checked inductivity of 8256 backedges. 0 proven. 8256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.