./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/Stockholm-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8130712-d26d-4edb-8440-e2795c8f7bab/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8130712-d26d-4edb-8440-e2795c8f7bab/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8130712-d26d-4edb-8440-e2795c8f7bab/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8130712-d26d-4edb-8440-e2795c8f7bab/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/Stockholm-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8130712-d26d-4edb-8440-e2795c8f7bab/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8130712-d26d-4edb-8440-e2795c8f7bab/bin/ukojak-jW3SillKbg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0690e5781abea147059c8c3687dc0be9b462edcdf26c7ee50864c7e6884a231b --- 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-b5237d8 [2022-11-21 22:16:14,251 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:16:14,253 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:16:14,275 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:16:14,275 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:16:14,277 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:16:14,278 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:16:14,280 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:16:14,282 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:16:14,283 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:16:14,284 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:16:14,286 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:16:14,286 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:16:14,287 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:16:14,289 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:16:14,290 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:16:14,291 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:16:14,292 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:16:14,294 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:16:14,296 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:16:14,298 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:16:14,300 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:16:14,301 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:16:14,302 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:16:14,307 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:16:14,307 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:16:14,308 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:16:14,309 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:16:14,309 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:16:14,311 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:16:14,311 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:16:14,312 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:16:14,313 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:16:14,314 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:16:14,315 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:16:14,316 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:16:14,317 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:16:14,317 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:16:14,317 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:16:14,319 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:16:14,320 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:16:14,323 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8130712-d26d-4edb-8440-e2795c8f7bab/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 22:16:14,355 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:16:14,356 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:16:14,357 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:16:14,357 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:16:14,358 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:16:14,358 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:16:14,358 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:16:14,358 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 22:16:14,359 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 22:16:14,359 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:16:14,359 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:16:14,359 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:16:14,360 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:16:14,360 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 22:16:14,360 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:16:14,360 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:16:14,361 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:16:14,361 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:16:14,361 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:16:14,361 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:16:14,362 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:16:14,362 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:16:14,362 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:16:14,366 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:16:14,367 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 22:16:14,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 22:16:14,368 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:16:14,369 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_e8130712-d26d-4edb-8440-e2795c8f7bab/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8130712-d26d-4edb-8440-e2795c8f7bab/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0690e5781abea147059c8c3687dc0be9b462edcdf26c7ee50864c7e6884a231b [2022-11-21 22:16:14,637 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:16:14,679 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:16:14,683 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:16:14,684 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:16:14,685 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:16:14,687 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8130712-d26d-4edb-8440-e2795c8f7bab/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/termination-crafted/Stockholm-1.c [2022-11-21 22:16:17,818 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:16:18,034 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:16:18,034 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8130712-d26d-4edb-8440-e2795c8f7bab/sv-benchmarks/c/termination-crafted/Stockholm-1.c [2022-11-21 22:16:18,039 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8130712-d26d-4edb-8440-e2795c8f7bab/bin/ukojak-jW3SillKbg/data/58e3912c5/e3253be1aae24849974403df38dd2c21/FLAGfda3f3c4a [2022-11-21 22:16:18,052 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8130712-d26d-4edb-8440-e2795c8f7bab/bin/ukojak-jW3SillKbg/data/58e3912c5/e3253be1aae24849974403df38dd2c21 [2022-11-21 22:16:18,055 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:16:18,056 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:16:18,058 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:16:18,058 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:16:18,061 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:16:18,062 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:16:18" (1/1) ... [2022-11-21 22:16:18,063 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@344d9ca2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:18, skipping insertion in model container [2022-11-21 22:16:18,063 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:16:18" (1/1) ... [2022-11-21 22:16:18,074 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:16:18,090 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:16:18,248 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:16:18,252 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 22:16:18,265 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:16:18,277 INFO L208 MainTranslator]: Completed translation [2022-11-21 22:16:18,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:18 WrapperNode [2022-11-21 22:16:18,278 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 22:16:18,279 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 22:16:18,279 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 22:16:18,279 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 22:16:18,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:18" (1/1) ... [2022-11-21 22:16:18,292 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:18" (1/1) ... [2022-11-21 22:16:18,310 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 37 [2022-11-21 22:16:18,310 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:16:18,311 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:16:18,311 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:16:18,311 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:16:18,321 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:18" (1/1) ... [2022-11-21 22:16:18,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:18" (1/1) ... [2022-11-21 22:16:18,322 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:18" (1/1) ... [2022-11-21 22:16:18,322 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:18" (1/1) ... [2022-11-21 22:16:18,324 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:18" (1/1) ... [2022-11-21 22:16:18,329 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:18" (1/1) ... [2022-11-21 22:16:18,330 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:18" (1/1) ... [2022-11-21 22:16:18,330 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:18" (1/1) ... [2022-11-21 22:16:18,332 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:16:18,333 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:16:18,333 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:16:18,333 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:16:18,334 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:18" (1/1) ... [2022-11-21 22:16:18,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:16:18,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8130712-d26d-4edb-8440-e2795c8f7bab/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:16:18,364 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8130712-d26d-4edb-8440-e2795c8f7bab/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:16:18,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8130712-d26d-4edb-8440-e2795c8f7bab/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:16:18,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:16:18,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:16:18,504 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:16:18,506 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:16:18,700 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:16:18,715 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:16:18,715 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-21 22:16:18,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:16:18 BoogieIcfgContainer [2022-11-21 22:16:18,718 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 22:16:18,719 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 22:16:18,719 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 22:16:18,730 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 22:16:18,730 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:16:18" (1/1) ... [2022-11-21 22:16:18,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 22:16:18,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:16:18,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2022-11-21 22:16:18,820 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2022-11-21 22:16:18,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 22:16:18,823 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:16:18,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:16:18,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:16:19,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:16:19,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:16:19,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2022-11-21 22:16:19,171 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2022-11-21 22:16:19,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 22:16:19,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:16:19,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:16:19,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:16:19,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:16:19,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:16:19,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 26 states and 35 transitions. [2022-11-21 22:16:19,503 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 35 transitions. [2022-11-21 22:16:19,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-21 22:16:19,503 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:16:19,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:16:19,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:16:19,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:16:20,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:16:20,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2022-11-21 22:16:20,109 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2022-11-21 22:16:20,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-21 22:16:20,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:16:20,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:16:20,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:16:20,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:16:20,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:16:20,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 35 states and 55 transitions. [2022-11-21 22:16:20,845 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 55 transitions. [2022-11-21 22:16:20,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 22:16:20,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:16:20,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:16:20,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:16:21,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:16:21,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:16:21,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 54 transitions. [2022-11-21 22:16:21,239 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2022-11-21 22:16:21,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-21 22:16:21,241 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:16:21,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:16:21,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:16:21,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:16:21,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:16:21,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2022-11-21 22:16:21,362 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2022-11-21 22:16:21,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 22:16:21,363 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:16:21,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:16:21,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:16:21,509 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:16:22,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:16:22,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 43 states and 77 transitions. [2022-11-21 22:16:22,634 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2022-11-21 22:16:22,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-21 22:16:22,635 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:16:22,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:16:22,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:16:22,664 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 22:16:23,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:16:23,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 49 states and 84 transitions. [2022-11-21 22:16:23,458 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 84 transitions. [2022-11-21 22:16:23,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-21 22:16:23,459 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:16:23,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:16:23,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:16:23,639 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:16:25,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:16:25,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 60 states and 106 transitions. [2022-11-21 22:16:25,759 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 106 transitions. [2022-11-21 22:16:25,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-21 22:16:25,760 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:16:25,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:16:25,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:16:25,805 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 22:16:26,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:16:26,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 66 states and 112 transitions. [2022-11-21 22:16:26,579 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 112 transitions. [2022-11-21 22:16:26,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-21 22:16:26,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:16:26,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:16:26,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:16:26,868 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:16:29,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:16:29,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 80 states and 144 transitions. [2022-11-21 22:16:29,999 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 144 transitions. [2022-11-21 22:16:30,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-21 22:16:30,008 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:16:30,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:16:30,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:16:30,054 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:16:31,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:16:31,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 83 states and 151 transitions. [2022-11-21 22:16:31,235 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 151 transitions. [2022-11-21 22:16:31,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-21 22:16:31,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:16:31,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:16:31,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:16:31,278 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-21 22:16:31,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:16:31,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 86 states and 156 transitions. [2022-11-21 22:16:31,767 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 156 transitions. [2022-11-21 22:16:31,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-21 22:16:31,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:16:31,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:16:31,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:16:31,803 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-21 22:16:32,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:16:32,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 89 states and 161 transitions. [2022-11-21 22:16:32,664 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 161 transitions. [2022-11-21 22:16:32,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-21 22:16:32,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:16:32,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:16:32,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:16:32,977 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:16:37,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:16:37,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 107 states and 203 transitions. [2022-11-21 22:16:37,813 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 203 transitions. [2022-11-21 22:16:37,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-21 22:16:37,814 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:16:37,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:16:37,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:16:37,852 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:16:39,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:16:39,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 111 states and 210 transitions. [2022-11-21 22:16:39,478 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 210 transitions. [2022-11-21 22:16:39,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-21 22:16:39,479 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:16:39,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:16:39,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:16:39,515 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:16:40,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:16:40,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 116 states and 216 transitions. [2022-11-21 22:16:40,164 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 216 transitions. [2022-11-21 22:16:40,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-21 22:16:40,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:16:40,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:16:40,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:16:40,193 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-21 22:16:41,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:16:41,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 121 states and 226 transitions. [2022-11-21 22:16:41,302 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 226 transitions. [2022-11-21 22:16:41,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-21 22:16:41,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:16:41,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:16:41,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:16:41,334 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-21 22:16:42,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:16:42,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 125 states and 234 transitions. [2022-11-21 22:16:42,677 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 234 transitions. [2022-11-21 22:16:42,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-21 22:16:42,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:16:42,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:16:42,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:16:43,311 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:16:50,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:16:50,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 146 states and 287 transitions. [2022-11-21 22:16:50,481 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 287 transitions. [2022-11-21 22:16:50,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-21 22:16:50,482 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:16:50,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:16:50,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:16:50,559 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:16:53,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:16:53,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 155 states and 302 transitions. [2022-11-21 22:16:53,126 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 302 transitions. [2022-11-21 22:16:53,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-21 22:16:53,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:16:53,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:16:53,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:16:53,200 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:16:57,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:16:57,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 162 states and 317 transitions. [2022-11-21 22:16:57,059 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 317 transitions. [2022-11-21 22:16:57,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-21 22:16:57,060 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:16:57,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:16:57,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:16:57,089 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-21 22:16:58,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:16:58,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 165 states and 323 transitions. [2022-11-21 22:16:58,401 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 323 transitions. [2022-11-21 22:16:58,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-21 22:16:58,402 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:16:58,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:16:58,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:16:58,427 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-21 22:16:59,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:16:59,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 167 states and 325 transitions. [2022-11-21 22:16:59,511 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 325 transitions. [2022-11-21 22:16:59,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-21 22:16:59,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:16:59,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:16:59,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:17:00,256 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:17:04,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:17:04,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 174 states and 340 transitions. [2022-11-21 22:17:04,364 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 340 transitions. [2022-11-21 22:17:04,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-21 22:17:04,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:17:04,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:17:04,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:17:04,407 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:17:07,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:17:07,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 181 states and 355 transitions. [2022-11-21 22:17:07,619 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 355 transitions. [2022-11-21 22:17:07,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-21 22:17:07,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:17:07,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:17:07,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:17:07,660 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:17:11,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:17:11,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 190 states and 385 transitions. [2022-11-21 22:17:11,322 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 385 transitions. [2022-11-21 22:17:11,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-21 22:17:11,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:17:11,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:17:11,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:17:11,364 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:17:12,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:17:12,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 192 states and 389 transitions. [2022-11-21 22:17:12,276 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 389 transitions. [2022-11-21 22:17:12,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-21 22:17:12,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:17:12,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:17:12,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:17:12,305 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-21 22:17:12,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:17:12,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 193 states and 389 transitions. [2022-11-21 22:17:12,892 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 389 transitions. [2022-11-21 22:17:12,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-21 22:17:12,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:17:12,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:17:12,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:17:12,921 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-21 22:17:15,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:17:15,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 200 states and 399 transitions. [2022-11-21 22:17:15,028 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 399 transitions. [2022-11-21 22:17:15,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-21 22:17:15,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:17:15,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:17:15,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:17:16,053 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:17:23,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:17:23,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 215 states and 430 transitions. [2022-11-21 22:17:23,084 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 430 transitions. [2022-11-21 22:17:23,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-21 22:17:23,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:17:23,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:17:23,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:17:24,368 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:17:28,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:17:28,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 222 states and 442 transitions. [2022-11-21 22:17:28,490 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 442 transitions. [2022-11-21 22:17:28,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-21 22:17:28,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:17:28,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:17:28,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:17:29,904 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:17:34,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:17:34,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 229 states and 454 transitions. [2022-11-21 22:17:34,555 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 454 transitions. [2022-11-21 22:17:34,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-21 22:17:34,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:17:34,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:17:34,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:17:36,165 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:17:42,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:17:42,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 238 states and 470 transitions. [2022-11-21 22:17:42,155 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 470 transitions. [2022-11-21 22:17:42,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-11-21 22:17:42,156 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:17:42,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:17:42,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:17:43,924 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:17:49,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:17:49,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 245 states and 482 transitions. [2022-11-21 22:17:49,332 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 482 transitions. [2022-11-21 22:17:49,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-21 22:17:49,333 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:17:49,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:17:49,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:17:51,394 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 0 proven. 129 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:17:57,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:17:57,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 252 states and 494 transitions. [2022-11-21 22:17:57,202 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 494 transitions. [2022-11-21 22:17:57,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-21 22:17:57,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:17:57,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:17:57,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:17:59,406 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 161 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:18:05,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:18:05,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 259 states and 506 transitions. [2022-11-21 22:18:05,694 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 506 transitions. [2022-11-21 22:18:05,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-21 22:18:05,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:18:05,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:18:05,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:18:08,069 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 0 proven. 175 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:18:14,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:18:14,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 266 states and 518 transitions. [2022-11-21 22:18:14,811 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 518 transitions. [2022-11-21 22:18:14,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-11-21 22:18:14,812 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:18:14,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:18:14,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:18:17,602 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 212 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:18:24,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:18:24,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 273 states and 530 transitions. [2022-11-21 22:18:24,730 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 530 transitions. [2022-11-21 22:18:24,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-21 22:18:24,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:18:24,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:18:24,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:18:27,607 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 0 proven. 228 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:18:35,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:18:35,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 280 states and 542 transitions. [2022-11-21 22:18:35,308 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 542 transitions. [2022-11-21 22:18:35,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-11-21 22:18:35,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:18:35,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:18:35,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:18:38,696 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 0 proven. 270 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:18:46,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:18:46,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 287 states and 554 transitions. [2022-11-21 22:18:46,825 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 554 transitions. [2022-11-21 22:18:46,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-11-21 22:18:46,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:18:46,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:18:46,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:18:50,174 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:18:58,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:18:58,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 294 states and 566 transitions. [2022-11-21 22:18:58,987 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 566 transitions. [2022-11-21 22:18:58,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-21 22:18:58,988 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:18:58,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:18:58,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:19:02,660 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 0 proven. 335 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:19:12,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:19:12,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 301 states and 578 transitions. [2022-11-21 22:19:12,217 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 578 transitions. [2022-11-21 22:19:12,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-11-21 22:19:12,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:19:12,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:19:12,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:19:16,348 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 0 proven. 355 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:19:26,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:19:26,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 308 states and 590 transitions. [2022-11-21 22:19:26,411 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 590 transitions. [2022-11-21 22:19:26,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-11-21 22:19:26,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:19:26,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:19:26,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:19:30,774 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 0 proven. 407 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:19:41,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:19:41,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 315 states and 602 transitions. [2022-11-21 22:19:41,344 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 602 transitions. [2022-11-21 22:19:41,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-11-21 22:19:41,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:19:41,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:19:41,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:19:46,332 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 0 proven. 429 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:19:57,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:19:57,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 322 states and 614 transitions. [2022-11-21 22:19:57,602 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 614 transitions. [2022-11-21 22:19:57,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-11-21 22:19:57,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:19:57,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:19:57,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:20:02,787 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 0 proven. 486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:20:14,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:20:14,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 329 states and 626 transitions. [2022-11-21 22:20:14,897 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 626 transitions. [2022-11-21 22:20:14,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-11-21 22:20:14,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:20:14,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:20:14,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:20:20,423 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 0 proven. 510 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:20:32,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:20:32,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 336 states and 638 transitions. [2022-11-21 22:20:32,972 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 638 transitions. [2022-11-21 22:20:32,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-11-21 22:20:32,973 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:20:32,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:20:32,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:20:38,793 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 0 proven. 572 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:20:51,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:20:51,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 343 states and 650 transitions. [2022-11-21 22:20:51,985 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 650 transitions. [2022-11-21 22:20:51,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-11-21 22:20:51,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:20:51,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:20:51,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:20:58,114 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 0 proven. 598 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:21:12,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:21:12,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 350 states and 662 transitions. [2022-11-21 22:21:12,339 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 662 transitions. [2022-11-21 22:21:12,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-11-21 22:21:12,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:21:12,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:21:12,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:21:19,038 INFO L134 CoverageAnalysis]: Checked inductivity of 665 backedges. 0 proven. 665 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:21:33,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:21:33,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 357 states and 674 transitions. [2022-11-21 22:21:33,990 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 674 transitions. [2022-11-21 22:21:33,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-11-21 22:21:33,991 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:21:33,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:21:34,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:21:40,994 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 0 proven. 693 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:21:56,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:21:56,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 364 states and 686 transitions. [2022-11-21 22:21:56,804 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 686 transitions. [2022-11-21 22:21:56,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-11-21 22:21:56,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:21:56,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:21:56,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:22:04,384 INFO L134 CoverageAnalysis]: Checked inductivity of 765 backedges. 0 proven. 765 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:22:20,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:22:20,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 371 states and 698 transitions. [2022-11-21 22:22:20,727 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 698 transitions. [2022-11-21 22:22:20,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-21 22:22:20,728 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:22:20,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:22:20,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:22:28,632 INFO L134 CoverageAnalysis]: Checked inductivity of 795 backedges. 0 proven. 795 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:22:45,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:22:45,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 378 states and 710 transitions. [2022-11-21 22:22:45,902 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 710 transitions. [2022-11-21 22:22:45,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-11-21 22:22:45,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:22:45,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:22:45,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:22:54,219 INFO L134 CoverageAnalysis]: Checked inductivity of 872 backedges. 0 proven. 872 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:23:12,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:23:12,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 385 states and 722 transitions. [2022-11-21 22:23:12,264 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 722 transitions. [2022-11-21 22:23:12,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-11-21 22:23:12,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:23:12,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:23:12,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:23:21,106 INFO L134 CoverageAnalysis]: Checked inductivity of 904 backedges. 0 proven. 904 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:23:40,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:23:40,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 392 states and 734 transitions. [2022-11-21 22:23:40,428 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 734 transitions. [2022-11-21 22:23:40,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-11-21 22:23:40,429 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:23:40,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:23:40,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:23:49,808 INFO L134 CoverageAnalysis]: Checked inductivity of 986 backedges. 0 proven. 986 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:24:10,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:24:10,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 399 states and 746 transitions. [2022-11-21 22:24:10,103 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 746 transitions. [2022-11-21 22:24:10,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-11-21 22:24:10,103 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:24:10,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:24:10,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:24:20,467 INFO L134 CoverageAnalysis]: Checked inductivity of 1020 backedges. 0 proven. 1020 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:24:42,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:24:42,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 406 states and 758 transitions. [2022-11-21 22:24:42,358 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 758 transitions. [2022-11-21 22:24:42,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-11-21 22:24:42,358 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:24:42,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:24:42,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:24:53,282 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 0 proven. 1107 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:25:16,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:25:16,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 413 states and 770 transitions. [2022-11-21 22:25:16,057 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 770 transitions. [2022-11-21 22:25:16,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-11-21 22:25:16,057 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:25:16,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:25:16,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:25:27,500 INFO L134 CoverageAnalysis]: Checked inductivity of 1143 backedges. 0 proven. 1143 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:25:50,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:25:50,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 420 states and 782 transitions. [2022-11-21 22:25:50,644 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 782 transitions. [2022-11-21 22:25:50,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-11-21 22:25:50,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:25:50,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:25:50,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:26:02,553 INFO L134 CoverageAnalysis]: Checked inductivity of 1235 backedges. 0 proven. 1235 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:26:26,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:26:26,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 427 states and 794 transitions. [2022-11-21 22:26:26,882 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 794 transitions. [2022-11-21 22:26:26,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-11-21 22:26:26,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:26:26,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:26:26,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:26:39,449 INFO L134 CoverageAnalysis]: Checked inductivity of 1273 backedges. 0 proven. 1273 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:27:04,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:27:04,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 434 states and 806 transitions. [2022-11-21 22:27:04,686 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 806 transitions. [2022-11-21 22:27:04,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-11-21 22:27:04,687 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:27:04,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:27:04,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:27:17,730 INFO L134 CoverageAnalysis]: Checked inductivity of 1370 backedges. 0 proven. 1370 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:27:44,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:27:44,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 441 states and 818 transitions. [2022-11-21 22:27:44,184 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 818 transitions. [2022-11-21 22:27:44,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-11-21 22:27:44,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:27:44,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:27:44,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:27:57,725 INFO L134 CoverageAnalysis]: Checked inductivity of 1410 backedges. 0 proven. 1410 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:28:24,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:28:24,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 448 states and 830 transitions. [2022-11-21 22:28:24,880 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 830 transitions. [2022-11-21 22:28:24,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-11-21 22:28:24,881 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:28:24,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:28:24,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:28:39,209 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 1512 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:29:07,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:29:07,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 455 states and 842 transitions. [2022-11-21 22:29:07,589 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 842 transitions. [2022-11-21 22:29:07,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-11-21 22:29:07,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:29:07,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:29:07,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:29:22,705 INFO L134 CoverageAnalysis]: Checked inductivity of 1554 backedges. 0 proven. 1554 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.