./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/b.14-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b 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_f56bc51d-a831-4f17-9028-f16a78bd74cc/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f56bc51d-a831-4f17-9028-f16a78bd74cc/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f56bc51d-a831-4f17-9028-f16a78bd74cc/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f56bc51d-a831-4f17-9028-f16a78bd74cc/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/b.14-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f56bc51d-a831-4f17-9028-f16a78bd74cc/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f56bc51d-a831-4f17-9028-f16a78bd74cc/bin/ukojak-pZX7IvK2PQ --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 3bd2edbf3e593c12fc0be33924c944159e0cb6d32e04e77d638ccd9d0e66fc4a --- 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-6b4ec56 [2022-11-20 17:56:26,960 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:56:26,963 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:56:27,003 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:56:27,004 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:56:27,005 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:56:27,006 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:56:27,008 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:56:27,010 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:56:27,011 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:56:27,015 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:56:27,019 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:56:27,019 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:56:27,025 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:56:27,027 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:56:27,030 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:56:27,031 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:56:27,034 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:56:27,035 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:56:27,041 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:56:27,043 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:56:27,045 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:56:27,047 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:56:27,049 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:56:27,059 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:56:27,059 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:56:27,059 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:56:27,061 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:56:27,062 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:56:27,062 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:56:27,063 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:56:27,064 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:56:27,065 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:56:27,067 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:56:27,068 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:56:27,068 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:56:27,069 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:56:27,069 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:56:27,070 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:56:27,071 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:56:27,072 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:56:27,073 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f56bc51d-a831-4f17-9028-f16a78bd74cc/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 17:56:27,111 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:56:27,112 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:56:27,113 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:56:27,113 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:56:27,114 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:56:27,114 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:56:27,115 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:56:27,115 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:56:27,115 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:56:27,115 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:56:27,116 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:56:27,117 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:56:27,117 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:56:27,117 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:56:27,117 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:56:27,118 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:56:27,118 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:56:27,118 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:56:27,118 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:56:27,119 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:56:27,119 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:56:27,119 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:56:27,119 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:56:27,120 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:56:27,120 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:56:27,120 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:56:27,120 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:56:27,121 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_f56bc51d-a831-4f17-9028-f16a78bd74cc/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f56bc51d-a831-4f17-9028-f16a78bd74cc/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3bd2edbf3e593c12fc0be33924c944159e0cb6d32e04e77d638ccd9d0e66fc4a [2022-11-20 17:56:27,451 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:56:27,489 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:56:27,491 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:56:27,492 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:56:27,493 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:56:27,495 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f56bc51d-a831-4f17-9028-f16a78bd74cc/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/termination-memory-alloca/b.14-alloca.i [2022-11-20 17:56:30,443 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:56:30,806 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:56:30,811 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f56bc51d-a831-4f17-9028-f16a78bd74cc/sv-benchmarks/c/termination-memory-alloca/b.14-alloca.i [2022-11-20 17:56:30,828 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f56bc51d-a831-4f17-9028-f16a78bd74cc/bin/ukojak-pZX7IvK2PQ/data/64ca2010c/845aa2f842e54235b940e5a0cdd09327/FLAG788cfac34 [2022-11-20 17:56:30,848 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f56bc51d-a831-4f17-9028-f16a78bd74cc/bin/ukojak-pZX7IvK2PQ/data/64ca2010c/845aa2f842e54235b940e5a0cdd09327 [2022-11-20 17:56:30,851 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:56:30,853 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:56:30,856 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:56:30,856 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:56:30,859 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:56:30,860 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:56:30" (1/1) ... [2022-11-20 17:56:30,861 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4eed6a75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:30, skipping insertion in model container [2022-11-20 17:56:30,861 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:56:30" (1/1) ... [2022-11-20 17:56:30,869 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:56:30,918 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:56:31,184 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:56:31,193 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:56:31,228 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:56:31,258 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:56:31,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:31 WrapperNode [2022-11-20 17:56:31,259 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:56:31,260 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:56:31,260 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:56:31,260 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:56:31,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:31" (1/1) ... [2022-11-20 17:56:31,292 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:31" (1/1) ... [2022-11-20 17:56:31,320 INFO L138 Inliner]: procedures = 111, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 81 [2022-11-20 17:56:31,320 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:56:31,323 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:56:31,323 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:56:31,324 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:56:31,333 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:31" (1/1) ... [2022-11-20 17:56:31,334 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:31" (1/1) ... [2022-11-20 17:56:31,350 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:31" (1/1) ... [2022-11-20 17:56:31,351 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:31" (1/1) ... [2022-11-20 17:56:31,354 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:31" (1/1) ... [2022-11-20 17:56:31,364 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:31" (1/1) ... [2022-11-20 17:56:31,369 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:31" (1/1) ... [2022-11-20 17:56:31,370 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:31" (1/1) ... [2022-11-20 17:56:31,380 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:56:31,381 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:56:31,381 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:56:31,381 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:56:31,382 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:56:31" (1/1) ... [2022-11-20 17:56:31,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:56:31,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f56bc51d-a831-4f17-9028-f16a78bd74cc/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:56:31,416 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f56bc51d-a831-4f17-9028-f16a78bd74cc/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:56:31,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f56bc51d-a831-4f17-9028-f16a78bd74cc/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:56:31,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 17:56:31,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 17:56:31,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:56:31,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:56:31,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:56:31,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:56:31,585 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:56:31,587 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:56:31,817 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:56:31,860 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:56:31,860 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 17:56:31,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:56:31 BoogieIcfgContainer [2022-11-20 17:56:31,863 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:56:31,864 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:56:31,864 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:56:31,874 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:56:31,874 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:56:31" (1/1) ... [2022-11-20 17:56:31,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:56:31,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:56:31,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2022-11-20 17:56:31,937 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2022-11-20 17:56:31,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 17:56:31,939 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:56:31,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:56:32,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:56:32,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:56:33,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:56:33,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 24 states and 31 transitions. [2022-11-20 17:56:33,070 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2022-11-20 17:56:33,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 17:56:33,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:56:33,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:56:33,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:56:33,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:56:33,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:56:33,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 26 states and 34 transitions. [2022-11-20 17:56:33,452 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2022-11-20 17:56:33,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 17:56:33,454 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:56:33,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:56:33,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:56:33,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:56:35,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:56:35,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 33 states and 52 transitions. [2022-11-20 17:56:35,122 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions. [2022-11-20 17:56:35,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 17:56:35,122 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:56:35,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:56:35,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:56:35,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:56:37,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:56:37,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 39 states and 63 transitions. [2022-11-20 17:56:37,291 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 63 transitions. [2022-11-20 17:56:37,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 17:56:37,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:56:37,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:56:37,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:56:38,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:56:41,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:56:41,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 48 states and 86 transitions. [2022-11-20 17:56:41,867 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 86 transitions. [2022-11-20 17:56:41,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 17:56:41,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:56:41,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:56:41,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:56:42,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:56:42,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:56:42,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 51 states and 96 transitions. [2022-11-20 17:56:42,908 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 96 transitions. [2022-11-20 17:56:42,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 17:56:42,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:56:42,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:56:42,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:56:44,435 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:56:47,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:56:47,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 58 states and 116 transitions. [2022-11-20 17:56:47,779 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 116 transitions. [2022-11-20 17:56:47,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 17:56:47,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:56:47,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:56:47,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:56:49,680 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:56:53,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:56:53,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 66 states and 140 transitions. [2022-11-20 17:56:53,607 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 140 transitions. [2022-11-20 17:56:53,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 17:56:53,608 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:56:53,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:56:53,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:56:55,206 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:56:59,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:56:59,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 72 states and 161 transitions. [2022-11-20 17:56:59,770 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 161 transitions. [2022-11-20 17:56:59,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 17:56:59,771 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:56:59,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:56:59,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:57:00,375 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:57:01,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:57:01,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 73 states and 165 transitions. [2022-11-20 17:57:01,277 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 165 transitions. [2022-11-20 17:57:01,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 17:57:01,278 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:57:01,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:57:01,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:57:01,795 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:57:02,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:57:02,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 77 states and 173 transitions. [2022-11-20 17:57:02,931 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 173 transitions. [2022-11-20 17:57:02,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 17:57:02,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:57:02,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:57:02,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:57:03,955 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:57:09,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:57:09,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 86 states and 199 transitions. [2022-11-20 17:57:09,640 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 199 transitions. [2022-11-20 17:57:09,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 17:57:09,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:57:09,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:57:09,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:57:11,851 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:57:15,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:57:15,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 89 states and 209 transitions. [2022-11-20 17:57:15,734 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 209 transitions. [2022-11-20 17:57:15,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 17:57:15,735 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:57:15,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:57:15,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:57:16,235 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:57:16,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:57:16,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 91 states and 212 transitions. [2022-11-20 17:57:16,952 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 212 transitions. [2022-11-20 17:57:16,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 17:57:16,953 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:57:16,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:57:16,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:57:18,262 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:57:24,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:57:24,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 99 states and 242 transitions. [2022-11-20 17:57:24,041 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 242 transitions. [2022-11-20 17:57:24,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 17:57:24,042 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:57:24,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:57:24,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:57:25,028 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:57:28,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:57:28,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 103 states and 250 transitions. [2022-11-20 17:57:28,325 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 250 transitions. [2022-11-20 17:57:28,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 17:57:28,326 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:57:28,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:57:28,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:57:28,532 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:57:29,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:57:29,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 104 states and 252 transitions. [2022-11-20 17:57:29,347 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 252 transitions. [2022-11-20 17:57:29,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 17:57:29,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:57:29,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:57:29,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:57:30,060 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:57:31,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:57:31,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 105 states and 257 transitions. [2022-11-20 17:57:31,481 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 257 transitions. [2022-11-20 17:57:31,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 17:57:31,482 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:57:31,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:57:31,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:57:32,972 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:57:42,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:57:42,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 115 states and 285 transitions. [2022-11-20 17:57:42,724 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 285 transitions. [2022-11-20 17:57:42,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 17:57:42,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:57:42,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:57:42,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:57:43,158 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:57:45,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:57:45,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 117 states and 288 transitions. [2022-11-20 17:57:45,206 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 288 transitions. [2022-11-20 17:57:45,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 17:57:45,207 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:57:45,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:57:45,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:57:47,919 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:57:57,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:57:57,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 127 states and 326 transitions. [2022-11-20 17:57:57,165 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 326 transitions. [2022-11-20 17:57:57,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:57:57,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:57:57,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:57:57,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:57:59,120 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:58:07,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:58:07,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 135 states and 356 transitions. [2022-11-20 17:58:07,021 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 356 transitions. [2022-11-20 17:58:07,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:58:07,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:58:07,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:58:07,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:58:08,987 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:58:14,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:58:14,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 141 states and 364 transitions. [2022-11-20 17:58:14,606 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 364 transitions. [2022-11-20 17:58:14,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:58:14,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:58:14,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:58:14,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:58:16,027 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:58:20,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:58:20,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 144 states and 370 transitions. [2022-11-20 17:58:20,322 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 370 transitions. [2022-11-20 17:58:20,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 17:58:20,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:58:20,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:58:20,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:58:20,483 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-20 17:58:21,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:58:21,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 146 states and 372 transitions. [2022-11-20 17:58:21,482 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 372 transitions. [2022-11-20 17:58:21,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 17:58:21,483 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:58:21,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:58:21,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:58:23,362 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:58:32,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:58:32,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 154 states and 403 transitions. [2022-11-20 17:58:32,122 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 403 transitions. [2022-11-20 17:58:32,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 17:58:32,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:58:32,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:58:32,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:58:32,760 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:58:36,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:58:36,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 158 states and 414 transitions. [2022-11-20 17:58:36,558 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 414 transitions. [2022-11-20 17:58:36,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 17:58:36,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:58:36,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:58:36,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:58:37,094 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:58:40,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:58:40,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 162 states and 424 transitions. [2022-11-20 17:58:40,707 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 424 transitions. [2022-11-20 17:58:40,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 17:58:40,708 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:58:40,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:58:40,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:58:42,621 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:58:45,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:58:45,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 163 states and 426 transitions. [2022-11-20 17:58:45,390 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 426 transitions. [2022-11-20 17:58:45,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 17:58:45,390 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:58:45,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:58:45,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:58:47,600 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:58:52,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:58:52,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 167 states and 432 transitions. [2022-11-20 17:58:52,488 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 432 transitions. [2022-11-20 17:58:52,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 17:58:52,488 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:58:52,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:58:52,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:58:59,233 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:59:12,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:59:12,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 173 states and 461 transitions. [2022-11-20 17:59:12,548 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 461 transitions. [2022-11-20 17:59:12,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 17:59:12,549 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:59:12,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:59:12,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:59:14,292 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 24 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:59:25,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:59:25,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 180 states and 477 transitions. [2022-11-20 17:59:25,705 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 477 transitions. [2022-11-20 17:59:25,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 17:59:25,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:59:25,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:59:25,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:59:26,616 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 24 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:59:28,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:59:28,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 181 states and 480 transitions. [2022-11-20 17:59:28,472 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 480 transitions. [2022-11-20 17:59:28,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 17:59:28,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:59:28,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:59:28,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:59:32,729 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 24 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:59:39,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:59:39,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 183 states and 482 transitions. [2022-11-20 17:59:39,100 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 482 transitions. [2022-11-20 17:59:39,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-20 17:59:39,101 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:59:39,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:59:39,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:59:44,101 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-20 18:00:03,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:00:03,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 199 states and 507 transitions. [2022-11-20 18:00:03,838 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 507 transitions. [2022-11-20 18:00:03,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-20 18:00:03,839 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:00:03,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:00:03,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:00:07,682 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:00:23,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:00:23,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 209 states and 546 transitions. [2022-11-20 18:00:23,849 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 546 transitions. [2022-11-20 18:00:23,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-20 18:00:23,849 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:00:23,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:00:23,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:00:26,845 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 16 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:00:43,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:00:43,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 222 states and 567 transitions. [2022-11-20 18:00:43,652 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 567 transitions. [2022-11-20 18:00:43,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-20 18:00:43,652 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:00:43,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:00:43,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:00:45,602 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 24 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:00:57,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:00:57,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 231 states and 598 transitions. [2022-11-20 18:00:57,997 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 598 transitions. [2022-11-20 18:00:57,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-20 18:00:57,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:00:57,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:00:58,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:00:58,392 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 16 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:01:01,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:01:01,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 233 states and 601 transitions. [2022-11-20 18:01:01,179 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 601 transitions. [2022-11-20 18:01:01,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-20 18:01:01,180 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:01:01,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:01:01,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:01:01,301 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 18:01:02,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:01:02,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 235 states and 603 transitions. [2022-11-20 18:01:02,971 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 603 transitions. [2022-11-20 18:01:02,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-20 18:01:02,972 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:01:02,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:01:02,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:01:05,271 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:01:19,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:01:19,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 243 states and 640 transitions. [2022-11-20 18:01:19,110 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 640 transitions. [2022-11-20 18:01:19,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-20 18:01:19,110 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:01:19,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:01:19,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:01:19,622 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:01:27,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:01:27,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 247 states and 654 transitions. [2022-11-20 18:01:27,156 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 654 transitions. [2022-11-20 18:01:27,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-20 18:01:27,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:01:27,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:01:27,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:01:27,569 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:01:31,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:01:31,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 250 states and 659 transitions. [2022-11-20 18:01:31,017 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 659 transitions. [2022-11-20 18:01:31,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-20 18:01:31,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:01:31,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:01:31,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:01:31,476 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:01:33,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:01:33,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 251 states and 660 transitions. [2022-11-20 18:01:33,260 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 660 transitions. [2022-11-20 18:01:33,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-20 18:01:33,260 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:01:33,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:01:33,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:01:38,412 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:01:48,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:01:48,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 255 states and 667 transitions. [2022-11-20 18:01:48,812 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 667 transitions. [2022-11-20 18:01:48,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-20 18:01:48,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:01:48,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:01:48,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:01:49,220 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:01:54,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:01:54,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 259 states and 677 transitions. [2022-11-20 18:01:54,860 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 677 transitions. [2022-11-20 18:01:54,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-20 18:01:54,861 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:01:54,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:01:54,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:01:54,894 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 18:02:00,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:00,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 261 states and 677 transitions. [2022-11-20 18:02:00,776 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 677 transitions. [2022-11-20 18:02:00,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-20 18:02:00,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:00,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:00,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:03,322 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 16 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:02:12,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:12,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 266 states and 684 transitions. [2022-11-20 18:02:12,828 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 684 transitions. [2022-11-20 18:02:12,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-20 18:02:12,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:12,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:12,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:12,896 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 21 proven. 1 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 18:02:18,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:18,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 270 states and 697 transitions. [2022-11-20 18:02:18,415 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 697 transitions. [2022-11-20 18:02:18,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-20 18:02:18,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:18,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:18,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:24,435 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 42 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:02:47,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:47,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 279 states and 726 transitions. [2022-11-20 18:02:47,927 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 726 transitions. [2022-11-20 18:02:47,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-20 18:02:47,928 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:47,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:47,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:50,621 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 48 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:02:59,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:59,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 282 states and 731 transitions. [2022-11-20 18:02:59,177 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 731 transitions. [2022-11-20 18:02:59,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-20 18:02:59,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:59,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:59,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:59,927 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 48 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:03:03,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:03:03,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 284 states and 733 transitions. [2022-11-20 18:03:03,807 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 733 transitions. [2022-11-20 18:03:03,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-20 18:03:03,807 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:03:03,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:03:03,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:03:06,611 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-11-20 18:03:19,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:03:19,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 289 states and 742 transitions. [2022-11-20 18:03:19,333 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 742 transitions. [2022-11-20 18:03:19,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-20 18:03:19,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:03:19,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:03:19,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:03:25,520 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:03:47,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:03:47,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 298 states and 786 transitions. [2022-11-20 18:03:47,896 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 786 transitions. [2022-11-20 18:03:47,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-20 18:03:47,897 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:03:47,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:03:47,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:03:48,397 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 36 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:04:05,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:04:05,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 307 states and 825 transitions. [2022-11-20 18:04:05,508 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 825 transitions. [2022-11-20 18:04:05,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-20 18:04:05,509 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:04:05,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:04:05,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:04:11,313 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 36 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:04:25,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:04:25,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 312 states and 833 transitions. [2022-11-20 18:04:25,361 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 833 transitions. [2022-11-20 18:04:25,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-20 18:04:25,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:04:25,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:04:25,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:04:26,693 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 48 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:04:36,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:04:36,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 839 states to 315 states and 839 transitions. [2022-11-20 18:04:36,573 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 839 transitions. [2022-11-20 18:04:36,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-20 18:04:36,574 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:04:36,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:04:36,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:04:36,930 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 48 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:04:39,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:04:39,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 317 states and 842 transitions. [2022-11-20 18:04:39,373 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 842 transitions. [2022-11-20 18:04:39,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-20 18:04:39,373 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:04:39,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:04:39,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:04:39,482 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-11-20 18:04:41,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:04:41,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 317 states and 840 transitions. [2022-11-20 18:04:41,818 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 840 transitions. [2022-11-20 18:04:41,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-20 18:04:41,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:04:41,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:04:41,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:04:45,033 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:05:05,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:05:05,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 325 states and 889 transitions. [2022-11-20 18:05:05,861 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 889 transitions. [2022-11-20 18:05:05,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-20 18:05:05,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:05:05,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:05:05,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:05:09,492 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:05:17,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:05:17,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 327 states and 893 transitions. [2022-11-20 18:05:17,326 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 893 transitions. [2022-11-20 18:05:17,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-20 18:05:17,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:05:17,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:05:17,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:05:18,078 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:05:28,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:05:28,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 901 states to 332 states and 901 transitions. [2022-11-20 18:05:28,238 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 901 transitions. [2022-11-20 18:05:28,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-20 18:05:28,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:05:28,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:05:28,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:05:28,897 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:05:33,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:05:33,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 334 states and 904 transitions. [2022-11-20 18:05:33,532 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 904 transitions. [2022-11-20 18:05:33,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-20 18:05:33,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:05:33,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:05:33,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:05:34,353 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:05:44,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:05:44,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 915 states to 339 states and 915 transitions. [2022-11-20 18:05:44,861 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 915 transitions. [2022-11-20 18:05:44,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-20 18:05:44,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:05:44,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:05:44,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:05:45,417 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:05:48,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:05:48,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 341 states and 918 transitions. [2022-11-20 18:05:48,065 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 918 transitions. [2022-11-20 18:05:48,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-20 18:05:48,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:05:48,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:05:48,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:05:48,654 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:05:56,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:05:56,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 345 states and 925 transitions. [2022-11-20 18:05:56,347 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 925 transitions. [2022-11-20 18:05:56,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-20 18:05:56,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:05:56,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:05:56,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:06:02,480 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 36 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:06:20,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:06:20,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 351 states and 933 transitions. [2022-11-20 18:06:20,282 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 933 transitions. [2022-11-20 18:06:20,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-20 18:06:20,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:06:20,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:06:20,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:06:36,212 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 78 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:07:04,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:07:04,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 356 states and 954 transitions. [2022-11-20 18:07:04,536 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 954 transitions. [2022-11-20 18:07:04,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-20 18:07:04,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:07:04,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:07:04,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:07:18,655 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 78 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:07:39,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:07:39,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 964 states to 359 states and 964 transitions. [2022-11-20 18:07:39,944 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 964 transitions. [2022-11-20 18:07:39,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-20 18:07:39,944 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:07:39,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:07:39,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:07:43,619 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 80 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:08:03,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:08:03,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 972 states to 365 states and 972 transitions. [2022-11-20 18:08:03,410 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 972 transitions. [2022-11-20 18:08:03,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-20 18:08:03,410 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:08:03,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:08:03,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:08:04,191 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 78 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:08:07,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:08:07,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 974 states to 366 states and 974 transitions. [2022-11-20 18:08:07,198 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 974 transitions. [2022-11-20 18:08:07,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-20 18:08:07,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:08:07,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:08:07,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:08:15,049 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:08:40,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:08:40,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1021 states to 374 states and 1021 transitions. [2022-11-20 18:08:40,214 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 1021 transitions. [2022-11-20 18:08:40,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-20 18:08:40,214 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:08:40,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:08:40,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:08:45,936 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 68 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:09:05,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:09:05,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 379 states and 1033 transitions. [2022-11-20 18:09:05,035 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 1033 transitions. [2022-11-20 18:09:05,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-20 18:09:05,036 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:09:05,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:09:05,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:09:11,388 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 80 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.