./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-15/cstrcspn_malloc.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd70e17-4e62-499b-bd0d-a6d36d1e269a/bin/ukojak-CydTVMUXoH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd70e17-4e62-499b-bd0d-a6d36d1e269a/bin/ukojak-CydTVMUXoH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd70e17-4e62-499b-bd0d-a6d36d1e269a/bin/ukojak-CydTVMUXoH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd70e17-4e62-499b-bd0d-a6d36d1e269a/bin/ukojak-CydTVMUXoH/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-15/cstrcspn_malloc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd70e17-4e62-499b-bd0d-a6d36d1e269a/bin/ukojak-CydTVMUXoH/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd70e17-4e62-499b-bd0d-a6d36d1e269a/bin/ukojak-CydTVMUXoH --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash dea536aba24bbbd149deffc3b8406a97f6fac760a5b2f50471455440f523d7fc --- 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-e04fb08 [2022-11-16 06:24:21,580 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 06:24:21,582 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 06:24:21,605 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 06:24:21,605 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 06:24:21,607 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 06:24:21,608 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 06:24:21,610 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 06:24:21,612 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 06:24:21,613 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 06:24:21,615 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 06:24:21,616 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 06:24:21,617 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 06:24:21,618 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 06:24:21,620 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 06:24:21,621 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 06:24:21,622 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 06:24:21,623 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 06:24:21,625 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 06:24:21,627 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 06:24:21,629 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 06:24:21,631 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 06:24:21,632 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 06:24:21,633 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 06:24:21,641 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 06:24:21,642 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 06:24:21,642 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 06:24:21,643 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 06:24:21,644 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 06:24:21,645 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 06:24:21,646 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 06:24:21,647 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 06:24:21,648 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 06:24:21,649 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 06:24:21,651 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 06:24:21,651 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 06:24:21,652 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 06:24:21,653 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 06:24:21,653 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 06:24:21,654 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 06:24:21,655 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 06:24:21,656 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd70e17-4e62-499b-bd0d-a6d36d1e269a/bin/ukojak-CydTVMUXoH/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2022-11-16 06:24:21,680 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 06:24:21,680 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 06:24:21,682 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 06:24:21,682 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 06:24:21,683 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 06:24:21,683 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 06:24:21,683 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 06:24:21,684 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 06:24:21,684 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-16 06:24:21,684 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-16 06:24:21,685 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-16 06:24:21,685 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 06:24:21,685 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 06:24:21,686 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-16 06:24:21,686 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-16 06:24:21,686 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 06:24:21,687 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 06:24:21,687 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 06:24:21,687 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 06:24:21,688 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-16 06:24:21,688 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 06:24:21,688 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_dbd70e17-4e62-499b-bd0d-a6d36d1e269a/bin/ukojak-CydTVMUXoH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd70e17-4e62-499b-bd0d-a6d36d1e269a/bin/ukojak-CydTVMUXoH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dea536aba24bbbd149deffc3b8406a97f6fac760a5b2f50471455440f523d7fc [2022-11-16 06:24:22,039 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 06:24:22,069 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 06:24:22,073 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 06:24:22,075 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 06:24:22,076 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 06:24:22,077 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd70e17-4e62-499b-bd0d-a6d36d1e269a/bin/ukojak-CydTVMUXoH/../../sv-benchmarks/c/termination-15/cstrcspn_malloc.i [2022-11-16 06:24:22,185 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd70e17-4e62-499b-bd0d-a6d36d1e269a/bin/ukojak-CydTVMUXoH/data/39171f76a/f53a97700721492d85ccc1d3673d83ee/FLAG2e51a6b9e [2022-11-16 06:24:22,959 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 06:24:22,959 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd70e17-4e62-499b-bd0d-a6d36d1e269a/sv-benchmarks/c/termination-15/cstrcspn_malloc.i [2022-11-16 06:24:22,975 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd70e17-4e62-499b-bd0d-a6d36d1e269a/bin/ukojak-CydTVMUXoH/data/39171f76a/f53a97700721492d85ccc1d3673d83ee/FLAG2e51a6b9e [2022-11-16 06:24:23,198 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd70e17-4e62-499b-bd0d-a6d36d1e269a/bin/ukojak-CydTVMUXoH/data/39171f76a/f53a97700721492d85ccc1d3673d83ee [2022-11-16 06:24:23,202 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 06:24:23,204 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 06:24:23,208 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 06:24:23,209 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 06:24:23,213 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 06:24:23,214 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 06:24:23" (1/1) ... [2022-11-16 06:24:23,215 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41e679c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:24:23, skipping insertion in model container [2022-11-16 06:24:23,216 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 06:24:23" (1/1) ... [2022-11-16 06:24:23,226 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 06:24:23,291 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 06:24:23,705 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 06:24:23,715 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 06:24:23,760 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 06:24:23,795 INFO L208 MainTranslator]: Completed translation [2022-11-16 06:24:23,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:24:23 WrapperNode [2022-11-16 06:24:23,796 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 06:24:23,797 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 06:24:23,798 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 06:24:23,798 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 06:24:23,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:24:23" (1/1) ... [2022-11-16 06:24:23,831 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:24:23" (1/1) ... [2022-11-16 06:24:23,876 INFO L138 Inliner]: procedures = 152, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 83 [2022-11-16 06:24:23,876 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 06:24:23,877 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 06:24:23,878 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 06:24:23,878 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 06:24:23,888 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:24:23" (1/1) ... [2022-11-16 06:24:23,888 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:24:23" (1/1) ... [2022-11-16 06:24:23,907 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:24:23" (1/1) ... [2022-11-16 06:24:23,907 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:24:23" (1/1) ... [2022-11-16 06:24:23,913 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:24:23" (1/1) ... [2022-11-16 06:24:23,929 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:24:23" (1/1) ... [2022-11-16 06:24:23,930 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:24:23" (1/1) ... [2022-11-16 06:24:23,931 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:24:23" (1/1) ... [2022-11-16 06:24:23,933 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 06:24:23,946 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 06:24:23,947 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 06:24:23,947 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 06:24:23,948 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:24:23" (1/1) ... [2022-11-16 06:24:23,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 06:24:23,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd70e17-4e62-499b-bd0d-a6d36d1e269a/bin/ukojak-CydTVMUXoH/z3 [2022-11-16 06:24:23,994 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd70e17-4e62-499b-bd0d-a6d36d1e269a/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-16 06:24:24,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbd70e17-4e62-499b-bd0d-a6d36d1e269a/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-16 06:24:24,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 06:24:24,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 06:24:24,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 06:24:24,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 06:24:24,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 06:24:24,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 06:24:24,206 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 06:24:24,208 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 06:24:24,537 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 06:24:24,635 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 06:24:24,635 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 06:24:24,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 06:24:24 BoogieIcfgContainer [2022-11-16 06:24:24,638 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 06:24:24,639 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-16 06:24:24,640 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-16 06:24:24,651 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-16 06:24:24,651 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 06:24:24" (1/1) ... [2022-11-16 06:24:24,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 06:24:24,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:24:24,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 43 states and 48 transitions. [2022-11-16 06:24:24,722 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 48 transitions. [2022-11-16 06:24:24,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-11-16 06:24:24,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:24:24,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:24:24,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:24:25,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:24:25,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:24:25,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 42 states and 47 transitions. [2022-11-16 06:24:25,298 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 47 transitions. [2022-11-16 06:24:25,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-11-16 06:24:25,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:24:25,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:24:25,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:24:25,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:24:25,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:24:25,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 41 states and 46 transitions. [2022-11-16 06:24:25,861 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 46 transitions. [2022-11-16 06:24:25,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-16 06:24:25,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:24:25,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:24:25,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:24:25,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:24:26,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:24:26,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 40 states and 45 transitions. [2022-11-16 06:24:26,234 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 45 transitions. [2022-11-16 06:24:26,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-16 06:24:26,235 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:24:26,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:24:26,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:24:26,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:24:27,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:24:27,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 39 states and 44 transitions. [2022-11-16 06:24:27,067 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 44 transitions. [2022-11-16 06:24:27,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-16 06:24:27,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:24:27,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:24:27,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:24:27,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:24:27,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:24:27,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 40 states and 45 transitions. [2022-11-16 06:24:27,428 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 45 transitions. [2022-11-16 06:24:27,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-16 06:24:27,429 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:24:27,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:24:27,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:24:27,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:24:28,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:24:28,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 41 states and 47 transitions. [2022-11-16 06:24:28,297 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 47 transitions. [2022-11-16 06:24:28,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-16 06:24:28,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:24:28,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:24:28,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:24:28,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:24:28,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:24:28,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 40 states and 46 transitions. [2022-11-16 06:24:28,340 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 46 transitions. [2022-11-16 06:24:28,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-16 06:24:28,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:24:28,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:24:28,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:24:28,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:24:28,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:24:28,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 42 states and 49 transitions. [2022-11-16 06:24:28,584 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2022-11-16 06:24:28,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-16 06:24:28,584 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:24:28,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:24:28,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:24:28,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:24:29,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:24:29,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 46 states and 56 transitions. [2022-11-16 06:24:29,362 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 56 transitions. [2022-11-16 06:24:29,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-16 06:24:29,363 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:24:29,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:24:29,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:24:29,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:24:30,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:24:30,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 50 states and 64 transitions. [2022-11-16 06:24:30,889 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 64 transitions. [2022-11-16 06:24:30,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-16 06:24:30,889 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:24:30,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:24:30,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:24:30,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:24:31,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:24:31,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 55 states and 74 transitions. [2022-11-16 06:24:31,370 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 74 transitions. [2022-11-16 06:24:31,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-16 06:24:31,371 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:24:31,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:24:31,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:24:31,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:24:31,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:24:31,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 54 states and 73 transitions. [2022-11-16 06:24:31,438 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 73 transitions. [2022-11-16 06:24:31,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-16 06:24:31,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:24:31,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:24:31,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:24:31,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:24:31,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:24:31,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 56 states and 76 transitions. [2022-11-16 06:24:31,888 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 76 transitions. [2022-11-16 06:24:31,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-16 06:24:31,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:24:31,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:24:31,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:24:31,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:24:33,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:24:33,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 62 states and 87 transitions. [2022-11-16 06:24:33,814 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 87 transitions. [2022-11-16 06:24:33,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-16 06:24:33,814 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:24:33,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:24:33,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:24:33,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:24:33,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:24:33,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 61 states and 85 transitions. [2022-11-16 06:24:33,876 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 85 transitions. [2022-11-16 06:24:33,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-16 06:24:33,877 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:24:33,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:24:33,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:24:34,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:24:34,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:24:34,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 63 states and 88 transitions. [2022-11-16 06:24:34,055 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 88 transitions. [2022-11-16 06:24:34,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-16 06:24:34,058 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:24:34,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:24:34,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:24:34,197 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:24:34,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:24:34,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 64 states and 89 transitions. [2022-11-16 06:24:34,648 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 89 transitions. [2022-11-16 06:24:34,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-16 06:24:34,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:24:34,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:24:34,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:24:34,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:24:35,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:24:35,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 71 states and 102 transitions. [2022-11-16 06:24:35,742 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 102 transitions. [2022-11-16 06:24:35,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-16 06:24:35,743 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:24:35,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:24:35,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:24:36,709 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:24:40,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:24:40,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 79 states and 120 transitions. [2022-11-16 06:24:40,570 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 120 transitions. [2022-11-16 06:24:40,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-16 06:24:40,570 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:24:40,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:24:40,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:24:40,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:24:42,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:24:42,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 87 states and 135 transitions. [2022-11-16 06:24:42,373 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 135 transitions. [2022-11-16 06:24:42,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-16 06:24:42,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:24:42,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:24:42,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:24:43,435 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:24:50,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:24:50,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 96 states and 160 transitions. [2022-11-16 06:24:50,824 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 160 transitions. [2022-11-16 06:24:50,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-16 06:24:50,825 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:24:50,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:24:50,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:24:50,865 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:24:53,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:24:53,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 101 states and 174 transitions. [2022-11-16 06:24:53,160 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 174 transitions. [2022-11-16 06:24:53,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-16 06:24:53,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:24:53,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:24:53,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:24:53,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:24:59,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:24:59,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 110 states and 192 transitions. [2022-11-16 06:24:59,504 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 192 transitions. [2022-11-16 06:24:59,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-16 06:24:59,505 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:24:59,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:24:59,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:24:59,768 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 06:25:00,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:25:00,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 109 states and 191 transitions. [2022-11-16 06:25:00,212 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 191 transitions. [2022-11-16 06:25:00,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-16 06:25:00,213 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:25:00,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:25:00,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:25:00,553 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:25:01,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:25:01,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 110 states and 192 transitions. [2022-11-16 06:25:01,196 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 192 transitions. [2022-11-16 06:25:01,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-16 06:25:01,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:25:01,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:25:01,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:25:01,314 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:25:01,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:25:01,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 111 states and 193 transitions. [2022-11-16 06:25:01,932 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 193 transitions. [2022-11-16 06:25:01,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-16 06:25:01,933 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:25:01,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:25:01,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:25:01,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:25:04,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:25:04,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 117 states and 204 transitions. [2022-11-16 06:25:04,892 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 204 transitions. [2022-11-16 06:25:04,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-16 06:25:04,893 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:25:04,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:25:04,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:25:05,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:25:13,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:25:13,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 127 states and 224 transitions. [2022-11-16 06:25:13,963 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 224 transitions. [2022-11-16 06:25:13,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-16 06:25:13,964 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:25:13,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:25:13,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:25:14,013 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 06:25:14,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:25:14,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 123 states and 213 transitions. [2022-11-16 06:25:14,282 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 213 transitions. [2022-11-16 06:25:14,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-16 06:25:14,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:25:14,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:25:14,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:25:14,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:25:15,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:25:15,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 124 states and 214 transitions. [2022-11-16 06:25:15,013 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 214 transitions. [2022-11-16 06:25:15,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-16 06:25:15,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:25:15,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:25:15,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:25:15,043 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 06:25:15,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:25:15,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 125 states and 215 transitions. [2022-11-16 06:25:15,748 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 215 transitions. [2022-11-16 06:25:15,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-16 06:25:15,749 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:25:15,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:25:15,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:25:15,995 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 06:25:16,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:25:16,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 124 states and 214 transitions. [2022-11-16 06:25:16,520 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 214 transitions. [2022-11-16 06:25:16,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-16 06:25:16,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:25:16,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:25:16,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:25:16,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:25:20,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:25:20,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 130 states and 224 transitions. [2022-11-16 06:25:20,296 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 224 transitions. [2022-11-16 06:25:20,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-16 06:25:20,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:25:20,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:25:20,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:25:21,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:25:33,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:25:33,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 141 states and 245 transitions. [2022-11-16 06:25:33,311 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 245 transitions. [2022-11-16 06:25:33,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-16 06:25:33,312 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:25:33,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:25:33,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:25:35,726 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:25:48,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:25:48,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 152 states and 273 transitions. [2022-11-16 06:25:48,589 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 273 transitions. [2022-11-16 06:25:48,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-16 06:25:48,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:25:48,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:25:48,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:25:48,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:25:49,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:25:49,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 153 states and 274 transitions. [2022-11-16 06:25:49,801 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 274 transitions. [2022-11-16 06:25:49,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-16 06:25:49,802 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:25:49,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:25:49,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:25:50,347 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 06:25:58,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:25:58,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 159 states and 302 transitions. [2022-11-16 06:25:58,150 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 302 transitions. [2022-11-16 06:25:58,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-16 06:25:58,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:25:58,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:25:58,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:25:58,207 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 06:26:05,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:26:05,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 165 states and 329 transitions. [2022-11-16 06:26:05,736 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 329 transitions. [2022-11-16 06:26:05,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-16 06:26:05,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:26:05,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:26:05,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:26:05,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:26:11,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:26:11,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 171 states and 341 transitions. [2022-11-16 06:26:11,770 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 341 transitions. [2022-11-16 06:26:11,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-16 06:26:11,771 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:26:11,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:26:11,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:26:11,828 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 06:26:13,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:26:13,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 171 states and 340 transitions. [2022-11-16 06:26:13,166 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 340 transitions. [2022-11-16 06:26:13,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-16 06:26:13,166 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:26:13,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:26:13,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:26:13,211 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 06:26:18,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:26:18,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 176 states and 351 transitions. [2022-11-16 06:26:18,060 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 351 transitions. [2022-11-16 06:26:18,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-16 06:26:18,061 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:26:18,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:26:18,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:26:18,099 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 06:26:19,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:26:19,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 177 states and 360 transitions. [2022-11-16 06:26:19,048 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 360 transitions. [2022-11-16 06:26:19,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-16 06:26:19,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:26:19,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:26:19,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:26:19,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:26:20,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:26:20,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 178 states and 362 transitions. [2022-11-16 06:26:20,361 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 362 transitions. [2022-11-16 06:26:20,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-16 06:26:20,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:26:20,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:26:20,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:26:20,480 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 06:26:21,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:26:21,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 178 states and 361 transitions. [2022-11-16 06:26:21,908 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 361 transitions. [2022-11-16 06:26:21,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-16 06:26:21,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:26:21,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:26:21,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:26:22,940 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 06:26:29,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:26:29,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 183 states and 371 transitions. [2022-11-16 06:26:29,583 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 371 transitions. [2022-11-16 06:26:29,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-16 06:26:29,584 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:26:29,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:26:29,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:26:29,614 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 06:26:30,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:26:30,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 185 states and 374 transitions. [2022-11-16 06:26:30,713 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 374 transitions. [2022-11-16 06:26:30,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-16 06:26:30,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:26:30,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:26:30,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:26:33,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:26:47,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:26:47,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 191 states and 389 transitions. [2022-11-16 06:26:47,252 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 389 transitions. [2022-11-16 06:26:47,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-16 06:26:47,252 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:26:47,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:26:47,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:26:47,304 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-16 06:26:48,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:26:48,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 192 states and 390 transitions. [2022-11-16 06:26:48,330 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 390 transitions. [2022-11-16 06:26:48,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-16 06:26:48,331 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:26:48,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:26:48,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:26:48,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:26:59,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:26:59,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 199 states and 405 transitions. [2022-11-16 06:26:59,792 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 405 transitions. [2022-11-16 06:26:59,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-16 06:26:59,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:26:59,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:26:59,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:27:00,202 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-16 06:27:01,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:27:01,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 200 states and 406 transitions. [2022-11-16 06:27:01,423 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 406 transitions. [2022-11-16 06:27:01,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-16 06:27:01,424 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:27:01,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:27:01,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:27:01,497 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 06:27:13,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:27:13,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 208 states and 430 transitions. [2022-11-16 06:27:13,492 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 430 transitions. [2022-11-16 06:27:13,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-16 06:27:13,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:27:13,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:27:13,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:27:13,527 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 06:27:14,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:27:14,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 210 states and 433 transitions. [2022-11-16 06:27:14,898 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 433 transitions. [2022-11-16 06:27:14,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 06:27:14,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:27:14,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:27:14,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:27:14,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:27:28,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:27:28,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 217 states and 448 transitions. [2022-11-16 06:27:28,300 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 448 transitions. [2022-11-16 06:27:28,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 06:27:28,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:27:28,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:27:28,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:27:28,329 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-16 06:27:36,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:27:36,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 223 states and 462 transitions. [2022-11-16 06:27:36,630 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 462 transitions. [2022-11-16 06:27:36,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 06:27:36,631 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:27:36,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:27:36,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:27:36,705 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 06:27:38,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:27:38,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 224 states and 463 transitions. [2022-11-16 06:27:38,050 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 463 transitions. [2022-11-16 06:27:38,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 06:27:38,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:27:38,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:27:38,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:27:38,214 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 06:27:39,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:27:39,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 226 states and 466 transitions. [2022-11-16 06:27:39,455 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 466 transitions. [2022-11-16 06:27:39,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-16 06:27:39,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:27:39,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:27:39,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:27:39,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:27:55,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:27:55,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 233 states and 481 transitions. [2022-11-16 06:27:55,054 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 481 transitions. [2022-11-16 06:27:55,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-16 06:27:55,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:27:55,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:27:55,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:27:59,252 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:28:28,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:28:28,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 246 states and 520 transitions. [2022-11-16 06:28:28,318 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 520 transitions. [2022-11-16 06:28:28,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-16 06:28:28,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:28:28,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:28:28,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:28:28,346 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-16 06:28:38,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:28:38,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 252 states and 535 transitions. [2022-11-16 06:28:38,286 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 535 transitions. [2022-11-16 06:28:38,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-16 06:28:38,287 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:28:38,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:28:38,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:28:38,326 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-16 06:28:47,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:28:47,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 256 states and 554 transitions. [2022-11-16 06:28:47,167 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 554 transitions. [2022-11-16 06:28:47,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-16 06:28:47,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:28:47,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:28:47,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:28:47,236 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 06:28:48,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:28:48,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 257 states and 555 transitions. [2022-11-16 06:28:48,933 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 555 transitions. [2022-11-16 06:28:48,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-16 06:28:48,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:28:48,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:28:48,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:28:50,937 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:29:13,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:29:13,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 262 states and 581 transitions. [2022-11-16 06:29:13,199 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 581 transitions. [2022-11-16 06:29:13,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-16 06:29:13,200 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:29:13,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:29:13,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:29:13,240 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-16 06:29:14,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:29:14,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 263 states and 583 transitions. [2022-11-16 06:29:14,695 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 583 transitions. [2022-11-16 06:29:14,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-16 06:29:14,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:29:14,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:29:14,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:29:14,819 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:29:16,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:29:16,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 264 states and 585 transitions. [2022-11-16 06:29:16,535 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 585 transitions. [2022-11-16 06:29:16,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-16 06:29:16,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:29:16,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:29:16,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:29:16,576 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-16 06:29:17,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:29:17,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 265 states and 587 transitions. [2022-11-16 06:29:17,875 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 587 transitions. [2022-11-16 06:29:17,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-16 06:29:17,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:29:17,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:29:17,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:29:17,914 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-16 06:29:20,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:29:20,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 268 states and 599 transitions. [2022-11-16 06:29:20,509 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 599 transitions. [2022-11-16 06:29:20,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-16 06:29:20,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:29:20,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:29:20,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:29:20,626 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:29:22,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:29:22,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 269 states and 601 transitions. [2022-11-16 06:29:22,066 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 601 transitions. [2022-11-16 06:29:22,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-16 06:29:22,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:29:22,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:29:22,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:29:25,664 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:29:47,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:29:47,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 275 states and 631 transitions. [2022-11-16 06:29:47,530 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 631 transitions. [2022-11-16 06:29:47,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-16 06:29:47,531 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:29:47,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:29:47,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:29:47,557 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 06:29:55,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:29:55,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 280 states and 643 transitions. [2022-11-16 06:29:55,541 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 643 transitions. [2022-11-16 06:29:55,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-16 06:29:55,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:29:55,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:29:55,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:29:55,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:30:15,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:30:15,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 287 states and 660 transitions. [2022-11-16 06:30:15,441 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 660 transitions. [2022-11-16 06:30:15,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-16 06:30:15,442 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:30:15,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:30:15,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:30:15,567 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:30:17,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:30:17,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 288 states and 664 transitions. [2022-11-16 06:30:17,917 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 664 transitions. [2022-11-16 06:30:17,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-16 06:30:17,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:30:17,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:30:17,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:30:19,676 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:30:32,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:30:32,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 294 states and 692 transitions. [2022-11-16 06:30:32,327 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 692 transitions. [2022-11-16 06:30:32,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-16 06:30:32,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:30:32,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:30:32,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:30:32,375 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-16 06:30:34,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:30:34,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 295 states and 694 transitions. [2022-11-16 06:30:34,625 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 694 transitions. [2022-11-16 06:30:34,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-16 06:30:34,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:30:34,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:30:34,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:30:34,650 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 06:30:39,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:30:39,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 297 states and 699 transitions. [2022-11-16 06:30:39,289 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 699 transitions. [2022-11-16 06:30:39,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-16 06:30:39,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:30:39,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:30:39,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:30:39,317 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 06:30:43,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:30:43,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 300 states and 704 transitions. [2022-11-16 06:30:43,584 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 704 transitions. [2022-11-16 06:30:43,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-16 06:30:43,584 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:30:43,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:30:43,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:30:43,614 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-16 06:30:45,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:30:45,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 301 states and 705 transitions. [2022-11-16 06:30:45,470 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 705 transitions. [2022-11-16 06:30:45,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-16 06:30:45,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:30:45,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:30:45,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:30:45,508 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-16 06:30:49,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:30:49,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 303 states and 712 transitions. [2022-11-16 06:30:49,463 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 712 transitions. [2022-11-16 06:30:49,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-16 06:30:49,464 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:30:49,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:30:49,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:30:49,773 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-16 06:30:55,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:30:55,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 306 states and 717 transitions. [2022-11-16 06:30:55,607 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 717 transitions. [2022-11-16 06:30:55,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-16 06:30:55,608 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:30:55,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:30:55,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:30:55,636 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-16 06:31:09,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:31:09,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 312 states and 735 transitions. [2022-11-16 06:31:09,775 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 735 transitions. [2022-11-16 06:31:09,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-16 06:31:09,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:31:09,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:31:09,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:31:09,816 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-16 06:31:13,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:31:13,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 314 states and 736 transitions. [2022-11-16 06:31:13,459 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 736 transitions. [2022-11-16 06:31:13,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-16 06:31:13,460 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:31:13,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:31:13,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:31:13,492 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-16 06:31:15,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:31:15,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 315 states and 743 transitions. [2022-11-16 06:31:15,415 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 743 transitions. [2022-11-16 06:31:15,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-16 06:31:15,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:31:15,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:31:15,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:31:15,535 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:31:20,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:31:20,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 317 states and 753 transitions. [2022-11-16 06:31:20,283 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 753 transitions. [2022-11-16 06:31:20,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-16 06:31:20,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:31:20,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:31:20,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:31:20,300 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-16 06:31:24,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:31:24,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 319 states and 756 transitions. [2022-11-16 06:31:24,431 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 756 transitions. [2022-11-16 06:31:24,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-16 06:31:24,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:31:24,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:31:24,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:31:24,464 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-16 06:31:30,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:31:30,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 321 states and 759 transitions. [2022-11-16 06:31:30,917 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 759 transitions. [2022-11-16 06:31:30,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-16 06:31:30,917 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:31:30,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:31:30,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:31:36,912 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:32:30,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:32:30,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 337 states and 811 transitions. [2022-11-16 06:32:30,344 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 811 transitions. [2022-11-16 06:32:30,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-16 06:32:30,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:32:30,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:32:30,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:32:30,361 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 06:32:43,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:32:43,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 342 states and 824 transitions. [2022-11-16 06:32:43,720 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 824 transitions. [2022-11-16 06:32:43,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-16 06:32:43,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:32:43,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:32:43,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:32:45,772 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:32:59,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:32:59,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 345 states and 830 transitions. [2022-11-16 06:32:59,022 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 830 transitions. [2022-11-16 06:32:59,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-16 06:32:59,023 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:32:59,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:32:59,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:32:59,045 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 06:33:04,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:33:04,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 347 states and 837 transitions. [2022-11-16 06:33:04,723 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 837 transitions. [2022-11-16 06:33:04,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-16 06:33:04,723 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:33:04,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:33:04,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:33:04,744 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-16 06:33:11,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:33:11,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 843 states to 350 states and 843 transitions. [2022-11-16 06:33:11,471 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 843 transitions. [2022-11-16 06:33:11,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-16 06:33:11,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:33:11,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:33:11,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:33:11,492 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 06:33:16,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:33:16,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 848 states to 353 states and 848 transitions. [2022-11-16 06:33:16,541 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 848 transitions. [2022-11-16 06:33:16,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-16 06:33:16,541 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:33:16,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:33:16,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:33:16,561 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-16 06:33:33,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:33:33,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 864 states to 359 states and 864 transitions. [2022-11-16 06:33:33,455 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 864 transitions. [2022-11-16 06:33:33,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-16 06:33:33,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:33:33,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:33:33,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:33:33,533 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:33:39,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:33:39,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 361 states and 874 transitions. [2022-11-16 06:33:39,968 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 874 transitions. [2022-11-16 06:33:39,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-16 06:33:39,969 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:33:39,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:33:39,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:33:39,990 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-16 06:33:44,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:33:44,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 363 states and 878 transitions. [2022-11-16 06:33:44,256 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 878 transitions. [2022-11-16 06:33:44,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-16 06:33:44,256 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:33:44,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:33:44,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:33:44,276 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-16 06:33:49,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:33:49,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 883 states to 365 states and 883 transitions. [2022-11-16 06:33:49,209 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 883 transitions. [2022-11-16 06:33:49,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-16 06:33:49,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:33:49,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:33:49,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:33:49,287 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:33:51,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:33:51,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 884 states to 367 states and 884 transitions. [2022-11-16 06:33:51,659 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 884 transitions. [2022-11-16 06:33:51,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-16 06:33:51,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:33:51,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:33:51,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:33:53,891 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:34:08,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:34:08,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 897 states to 373 states and 897 transitions. [2022-11-16 06:34:08,657 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 897 transitions. [2022-11-16 06:34:08,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-16 06:34:08,657 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:34:08,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:34:08,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:34:08,717 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 06:34:25,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:34:25,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 378 states and 910 transitions. [2022-11-16 06:34:25,044 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 910 transitions. [2022-11-16 06:34:25,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-16 06:34:25,044 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:34:25,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:34:25,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:34:25,090 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-16 06:34:26,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:34:26,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 377 states and 907 transitions. [2022-11-16 06:34:26,999 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 907 transitions. [2022-11-16 06:34:27,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-16 06:34:27,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:34:27,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:34:27,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:34:27,016 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-16 06:34:45,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:34:45,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 923 states to 383 states and 923 transitions. [2022-11-16 06:34:45,873 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 923 transitions. [2022-11-16 06:34:45,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-16 06:34:45,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:34:45,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:34:45,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:34:54,208 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:35:26,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:35:26,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 391 states and 949 transitions. [2022-11-16 06:35:26,167 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 949 transitions. [2022-11-16 06:35:26,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-16 06:35:26,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:35:26,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:35:26,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:35:26,196 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-16 06:35:33,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:35:33,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 956 states to 394 states and 956 transitions. [2022-11-16 06:35:33,735 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 956 transitions. [2022-11-16 06:35:33,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-16 06:35:33,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:35:33,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:35:33,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:35:39,587 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:36:02,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:36:02,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 967 states to 399 states and 967 transitions. [2022-11-16 06:36:02,018 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 967 transitions. [2022-11-16 06:36:02,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-16 06:36:02,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:36:02,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:36:02,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:36:02,042 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-16 06:36:07,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:36:07,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 972 states to 401 states and 972 transitions. [2022-11-16 06:36:07,538 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 972 transitions. [2022-11-16 06:36:07,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-16 06:36:07,538 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:36:07,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:36:07,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:36:07,552 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-16 06:36:13,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:36:13,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 403 states and 977 transitions. [2022-11-16 06:36:13,296 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 977 transitions. [2022-11-16 06:36:13,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-16 06:36:13,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:36:13,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:36:13,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:36:15,014 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 06:36:34,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:36:34,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 408 states and 992 transitions. [2022-11-16 06:36:34,871 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 992 transitions. [2022-11-16 06:36:34,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-16 06:36:34,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:36:34,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:36:34,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:36:34,888 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-16 06:36:47,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:36:47,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 415 states and 1004 transitions. [2022-11-16 06:36:47,770 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 1004 transitions. [2022-11-16 06:36:47,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-16 06:36:47,771 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:36:47,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:36:47,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:36:47,839 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-16 06:37:09,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:37:09,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 421 states and 1020 transitions. [2022-11-16 06:37:09,985 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 1020 transitions. [2022-11-16 06:37:09,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-16 06:37:09,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:37:09,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:37:09,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:37:10,072 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 06:37:29,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:37:29,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 426 states and 1033 transitions. [2022-11-16 06:37:29,146 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 1033 transitions. [2022-11-16 06:37:29,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-16 06:37:29,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:37:29,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:37:29,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:37:32,958 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:37:48,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:37:48,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1053 states to 429 states and 1053 transitions. [2022-11-16 06:37:48,549 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 1053 transitions. [2022-11-16 06:37:48,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-16 06:37:48,550 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:37:48,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:37:48,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:37:48,583 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.