./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-numeric/LogRecursive.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2c738ad-bd48-4a3a-a293-2a9fb80491b8/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2c738ad-bd48-4a3a-a293-2a9fb80491b8/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_e2c738ad-bd48-4a3a-a293-2a9fb80491b8/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2c738ad-bd48-4a3a-a293-2a9fb80491b8/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-numeric/LogRecursive.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2c738ad-bd48-4a3a-a293-2a9fb80491b8/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_e2c738ad-bd48-4a3a-a293-2a9fb80491b8/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 e724a514255a950b17f8b31ed081620ead5e2540931c6bb88a6923d310e5f391 --- 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 17:34:16,082 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:34:16,084 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:34:16,120 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:34:16,120 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:34:16,124 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:34:16,127 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:34:16,131 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:34:16,133 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:34:16,139 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:34:16,140 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:34:16,141 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:34:16,141 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:34:16,142 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:34:16,144 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:34:16,145 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:34:16,150 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:34:16,152 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:34:16,155 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:34:16,162 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:34:16,165 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:34:16,167 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:34:16,169 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:34:16,170 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:34:16,180 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:34:16,181 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:34:16,181 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:34:16,183 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:34:16,183 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:34:16,185 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:34:16,186 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:34:16,187 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:34:16,189 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:34:16,190 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:34:16,193 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:34:16,193 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:34:16,194 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:34:16,194 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:34:16,194 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:34:16,196 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:34:16,197 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:34:16,198 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2c738ad-bd48-4a3a-a293-2a9fb80491b8/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 17:34:16,237 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:34:16,237 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:34:16,238 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:34:16,239 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:34:16,242 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:34:16,242 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:34:16,243 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:34:16,243 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:34:16,243 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:34:16,243 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:34:16,245 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:34:16,245 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:34:16,245 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:34:16,246 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:34:16,246 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:34:16,246 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:34:16,246 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:34:16,247 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:34:16,247 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:34:16,247 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:34:16,247 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:34:16,248 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:34:16,248 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:34:16,249 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:34:16,249 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:34:16,249 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:34:16,249 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:34:16,250 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_e2c738ad-bd48-4a3a-a293-2a9fb80491b8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2c738ad-bd48-4a3a-a293-2a9fb80491b8/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e724a514255a950b17f8b31ed081620ead5e2540931c6bb88a6923d310e5f391 [2022-11-20 17:34:16,575 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:34:16,610 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:34:16,617 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:34:16,619 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:34:16,619 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:34:16,621 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2c738ad-bd48-4a3a-a293-2a9fb80491b8/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/termination-numeric/LogRecursive.c [2022-11-20 17:34:19,681 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:34:19,846 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:34:19,847 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2c738ad-bd48-4a3a-a293-2a9fb80491b8/sv-benchmarks/c/termination-numeric/LogRecursive.c [2022-11-20 17:34:19,853 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2c738ad-bd48-4a3a-a293-2a9fb80491b8/bin/ukojak-pZX7IvK2PQ/data/5e7aa7c7a/aa52f15df6b34fa0a5a95c49feb9ab78/FLAG5818a2083 [2022-11-20 17:34:19,869 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2c738ad-bd48-4a3a-a293-2a9fb80491b8/bin/ukojak-pZX7IvK2PQ/data/5e7aa7c7a/aa52f15df6b34fa0a5a95c49feb9ab78 [2022-11-20 17:34:19,871 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:34:19,873 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:34:19,875 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:34:19,875 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:34:19,878 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:34:19,879 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:34:19" (1/1) ... [2022-11-20 17:34:19,880 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22a6bfce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:34:19, skipping insertion in model container [2022-11-20 17:34:19,881 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:34:19" (1/1) ... [2022-11-20 17:34:19,888 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:34:19,901 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:34:20,052 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:34:20,057 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:34:20,072 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:34:20,085 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:34:20,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:34:20 WrapperNode [2022-11-20 17:34:20,085 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:34:20,087 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:34:20,087 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:34:20,087 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:34:20,095 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:34:20" (1/1) ... [2022-11-20 17:34:20,100 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:34:20" (1/1) ... [2022-11-20 17:34:20,117 INFO L138 Inliner]: procedures = 6, calls = 4, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 20 [2022-11-20 17:34:20,117 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:34:20,118 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:34:20,118 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:34:20,119 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:34:20,128 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:34:20" (1/1) ... [2022-11-20 17:34:20,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:34:20" (1/1) ... [2022-11-20 17:34:20,129 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:34:20" (1/1) ... [2022-11-20 17:34:20,129 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:34:20" (1/1) ... [2022-11-20 17:34:20,131 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:34:20" (1/1) ... [2022-11-20 17:34:20,133 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:34:20" (1/1) ... [2022-11-20 17:34:20,134 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:34:20" (1/1) ... [2022-11-20 17:34:20,135 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:34:20" (1/1) ... [2022-11-20 17:34:20,136 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:34:20,137 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:34:20,137 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:34:20,137 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:34:20,139 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:34:20" (1/1) ... [2022-11-20 17:34:20,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:34:20,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2c738ad-bd48-4a3a-a293-2a9fb80491b8/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:34:20,171 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2c738ad-bd48-4a3a-a293-2a9fb80491b8/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:34:20,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2c738ad-bd48-4a3a-a293-2a9fb80491b8/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:34:20,227 INFO L130 BoogieDeclarations]: Found specification of procedure _log [2022-11-20 17:34:20,227 INFO L138 BoogieDeclarations]: Found implementation of procedure _log [2022-11-20 17:34:20,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:34:20,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:34:20,281 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:34:20,283 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:34:20,427 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:34:20,439 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:34:20,439 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 17:34:20,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:34:20 BoogieIcfgContainer [2022-11-20 17:34:20,443 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:34:20,444 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:34:20,444 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:34:20,455 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:34:20,455 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:34:20" (1/1) ... [2022-11-20 17:34:20,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:34:20,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:34:20,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 24 transitions. [2022-11-20 17:34:20,566 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2022-11-20 17:34:20,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 17:34:20,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:34:20,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:34:20,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:34:20,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 17:34:20,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:34:20,962 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 17:34:21,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:34:21,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 24 states and 29 transitions. [2022-11-20 17:34:21,145 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2022-11-20 17:34:21,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 17:34:21,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:34:21,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:34:21,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:34:21,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 17:34:21,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:34:21,213 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 17:34:21,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:34:21,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 31 transitions. [2022-11-20 17:34:21,259 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2022-11-20 17:34:21,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 17:34:21,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:34:21,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:34:21,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:34:21,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-20 17:34:21,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:34:31,656 WARN L859 $PredicateComparison]: unable to prove that (or (exists ((v__log_~y_BEFORE_CALL_1 Int)) (and (< 1 v__log_~y_BEFORE_CALL_1) (exists ((v__log_~x_BEFORE_CALL_1 Int)) (let ((.cse0 (div v__log_~x_BEFORE_CALL_1 v__log_~y_BEFORE_CALL_1))) (and (<= .cse0 2147483647) (<= |c__log_#in~x| .cse0) (<= v__log_~y_BEFORE_CALL_1 v__log_~x_BEFORE_CALL_1) (= (mod v__log_~x_BEFORE_CALL_1 v__log_~y_BEFORE_CALL_1) 0)))))) (exists ((v__log_~y_BEFORE_CALL_1 Int)) (and (exists ((v__log_~x_BEFORE_CALL_1 Int)) (let ((.cse1 (div v__log_~x_BEFORE_CALL_1 v__log_~y_BEFORE_CALL_1))) (and (<= .cse1 2147483647) (<= |c__log_#in~x| .cse1) (<= v__log_~y_BEFORE_CALL_1 v__log_~x_BEFORE_CALL_1)))) (< 1 v__log_~y_BEFORE_CALL_1)))) is different from true [2022-11-20 17:34:36,741 WARN L859 $PredicateComparison]: unable to prove that (or (exists ((v__log_~y_BEFORE_CALL_1 Int) (v__log_~x_BEFORE_CALL_1 Int)) (let ((.cse0 (div v__log_~x_BEFORE_CALL_1 v__log_~y_BEFORE_CALL_1))) (and (<= .cse0 2147483647) (< 1 v__log_~y_BEFORE_CALL_1) (<= v__log_~y_BEFORE_CALL_1 v__log_~x_BEFORE_CALL_1) (<= c__log_~x .cse0)))) (exists ((v__log_~y_BEFORE_CALL_1 Int) (v__log_~x_BEFORE_CALL_1 Int)) (let ((.cse1 (div v__log_~x_BEFORE_CALL_1 v__log_~y_BEFORE_CALL_1))) (and (<= .cse1 2147483647) (< 1 v__log_~y_BEFORE_CALL_1) (<= v__log_~y_BEFORE_CALL_1 v__log_~x_BEFORE_CALL_1) (<= c__log_~x .cse1) (= (mod v__log_~x_BEFORE_CALL_1 v__log_~y_BEFORE_CALL_1) 0))))) is different from true [2022-11-20 17:35:00,264 WARN L233 SmtUtils]: Spent 9.15s on a formula simplification. DAG size of input: 21 DAG size of output: 15 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-20 17:35:00,265 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:35:10,705 WARN L837 $PredicateComparison]: unable to prove that (not (or (exists ((v__log_~y_BEFORE_CALL_1 Int)) (and (< 1 v__log_~y_BEFORE_CALL_1) (exists ((v__log_~x_BEFORE_CALL_1 Int)) (let ((.cse0 (div v__log_~x_BEFORE_CALL_1 v__log_~y_BEFORE_CALL_1))) (and (<= .cse0 2147483647) (<= |c__log_#in~x| .cse0) (<= v__log_~y_BEFORE_CALL_1 v__log_~x_BEFORE_CALL_1) (= (mod v__log_~x_BEFORE_CALL_1 v__log_~y_BEFORE_CALL_1) 0)))))) (exists ((v__log_~y_BEFORE_CALL_1 Int)) (and (exists ((v__log_~x_BEFORE_CALL_1 Int)) (let ((.cse1 (div v__log_~x_BEFORE_CALL_1 v__log_~y_BEFORE_CALL_1))) (and (<= .cse1 2147483647) (<= |c__log_#in~x| .cse1) (<= v__log_~y_BEFORE_CALL_1 v__log_~x_BEFORE_CALL_1)))) (< 1 v__log_~y_BEFORE_CALL_1))))) is different from false [2022-11-20 17:35:16,354 WARN L837 $PredicateComparison]: unable to prove that (not (or (exists ((v__log_~y_BEFORE_CALL_1 Int) (v__log_~x_BEFORE_CALL_1 Int)) (let ((.cse0 (div v__log_~x_BEFORE_CALL_1 v__log_~y_BEFORE_CALL_1))) (and (<= .cse0 2147483647) (< 1 v__log_~y_BEFORE_CALL_1) (<= v__log_~y_BEFORE_CALL_1 v__log_~x_BEFORE_CALL_1) (<= c__log_~x .cse0)))) (exists ((v__log_~y_BEFORE_CALL_1 Int) (v__log_~x_BEFORE_CALL_1 Int)) (let ((.cse1 (div v__log_~x_BEFORE_CALL_1 v__log_~y_BEFORE_CALL_1))) (and (<= .cse1 2147483647) (< 1 v__log_~y_BEFORE_CALL_1) (<= v__log_~y_BEFORE_CALL_1 v__log_~x_BEFORE_CALL_1) (<= c__log_~x .cse1) (= (mod v__log_~x_BEFORE_CALL_1 v__log_~y_BEFORE_CALL_1) 0)))))) is different from false [2022-11-20 17:35:20,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:35:20,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 22 transitions. [2022-11-20 17:35:20,182 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2022-11-20 17:35:20,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 17:35:20,183 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:35:20,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:35:20,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:35:20,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 17:35:20,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:35:20,294 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 17:35:20,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:35:20,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 28 transitions. [2022-11-20 17:35:20,386 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2022-11-20 17:35:20,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 17:35:20,387 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:35:20,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:35:20,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:35:20,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 17:35:20,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:35:20,462 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:35:20,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:35:20,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 27 transitions. [2022-11-20 17:35:20,568 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2022-11-20 17:35:20,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 17:35:20,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:35:20,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:35:20,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:35:20,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 17:35:20,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:35:20,696 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-11-20 17:35:21,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:35:21,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 33 transitions. [2022-11-20 17:35:21,045 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2022-11-20 17:35:21,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-20 17:35:21,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:35:21,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:35:21,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:35:21,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-20 17:35:21,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:35:21,193 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-11-20 17:35:21,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:35:21,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 32 states and 39 transitions. [2022-11-20 17:35:21,433 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2022-11-20 17:35:21,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-20 17:35:21,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:35:21,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:35:21,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:35:21,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 17:35:21,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:35:21,590 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-11-20 17:35:21,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:35:21,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 37 states and 45 transitions. [2022-11-20 17:35:21,860 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 45 transitions. [2022-11-20 17:35:21,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-20 17:35:21,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:35:21,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:35:21,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:35:21,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-20 17:35:21,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:35:22,078 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-20 17:35:22,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:35:22,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 42 states and 51 transitions. [2022-11-20 17:35:22,355 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 51 transitions. [2022-11-20 17:35:22,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-20 17:35:22,357 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:35:22,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:35:22,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:35:22,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-20 17:35:22,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:35:22,578 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2022-11-20 17:35:22,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:35:22,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 47 states and 57 transitions. [2022-11-20 17:35:22,857 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 57 transitions. [2022-11-20 17:35:22,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-20 17:35:22,859 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:35:22,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:35:22,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:35:22,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-20 17:35:22,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:35:23,083 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2022-11-20 17:35:23,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:35:23,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 52 states and 63 transitions. [2022-11-20 17:35:23,385 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 63 transitions. [2022-11-20 17:35:23,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-11-20 17:35:23,387 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:35:23,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:35:23,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:35:23,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-20 17:35:23,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:35:23,636 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2022-11-20 17:35:23,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:35:23,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 57 states and 69 transitions. [2022-11-20 17:35:23,987 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 69 transitions. [2022-11-20 17:35:23,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-20 17:35:23,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:35:23,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:35:24,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:35:24,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-20 17:35:24,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:35:24,233 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2022-11-20 17:35:24,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:35:24,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 62 states and 75 transitions. [2022-11-20 17:35:24,579 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 75 transitions. [2022-11-20 17:35:24,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-11-20 17:35:24,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:35:24,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:35:24,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:35:24,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 21 conjunts are in the unsatisfiable core [2022-11-20 17:35:24,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:35:24,861 INFO L134 CoverageAnalysis]: Checked inductivity of 461 backedges. 0 proven. 216 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2022-11-20 17:35:25,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:35:25,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 67 states and 81 transitions. [2022-11-20 17:35:25,221 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 81 transitions. [2022-11-20 17:35:25,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-11-20 17:35:25,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:35:25,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:35:25,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:35:25,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 23 conjunts are in the unsatisfiable core [2022-11-20 17:35:25,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:35:25,532 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 0 proven. 265 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2022-11-20 17:35:25,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:35:25,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 72 states and 87 transitions. [2022-11-20 17:35:25,923 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 87 transitions. [2022-11-20 17:35:25,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-11-20 17:35:25,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:35:25,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:35:26,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:35:26,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 25 conjunts are in the unsatisfiable core [2022-11-20 17:35:26,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:35:26,273 INFO L134 CoverageAnalysis]: Checked inductivity of 735 backedges. 0 proven. 319 refuted. 0 times theorem prover too weak. 416 trivial. 0 not checked. [2022-11-20 17:35:26,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:35:26,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 77 states and 93 transitions. [2022-11-20 17:35:26,656 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 93 transitions. [2022-11-20 17:35:26,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-11-20 17:35:26,657 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:35:26,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:35:26,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:35:26,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 27 conjunts are in the unsatisfiable core [2022-11-20 17:35:26,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:35:27,007 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2022-11-20 17:35:27,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:35:27,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 82 states and 99 transitions. [2022-11-20 17:35:27,414 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 99 transitions. [2022-11-20 17:35:27,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-11-20 17:35:27,420 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:35:27,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:35:27,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:35:27,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 29 conjunts are in the unsatisfiable core [2022-11-20 17:35:27,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:35:27,796 INFO L134 CoverageAnalysis]: Checked inductivity of 925 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2022-11-20 17:35:28,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:35:28,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 87 states and 105 transitions. [2022-11-20 17:35:28,181 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 105 transitions. [2022-11-20 17:35:28,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-11-20 17:35:28,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:35:28,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:35:28,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:35:28,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 31 conjunts are in the unsatisfiable core [2022-11-20 17:35:28,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:35:28,599 INFO L134 CoverageAnalysis]: Checked inductivity of 1066 backedges. 0 proven. 511 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2022-11-20 17:35:29,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:35:29,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 92 states and 111 transitions. [2022-11-20 17:35:29,019 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 111 transitions. [2022-11-20 17:35:29,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-11-20 17:35:29,020 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:35:29,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:35:29,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:35:29,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 33 conjunts are in the unsatisfiable core [2022-11-20 17:35:29,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:35:29,397 INFO L134 CoverageAnalysis]: Checked inductivity of 1217 backedges. 0 proven. 585 refuted. 0 times theorem prover too weak. 632 trivial. 0 not checked. [2022-11-20 17:35:30,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:35:30,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 97 states and 117 transitions. [2022-11-20 17:35:30,017 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 117 transitions. [2022-11-20 17:35:30,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-11-20 17:35:30,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:35:30,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:35:30,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:35:30,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 35 conjunts are in the unsatisfiable core [2022-11-20 17:35:30,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:35:30,461 INFO L134 CoverageAnalysis]: Checked inductivity of 1465 backedges. 0 proven. 664 refuted. 0 times theorem prover too weak. 801 trivial. 0 not checked. [2022-11-20 17:35:31,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:35:31,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 102 states and 123 transitions. [2022-11-20 17:35:31,020 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 123 transitions. [2022-11-20 17:35:31,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2022-11-20 17:35:31,021 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:35:31,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:35:31,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:35:31,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 37 conjunts are in the unsatisfiable core [2022-11-20 17:35:31,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:35:31,521 INFO L134 CoverageAnalysis]: Checked inductivity of 1549 backedges. 0 proven. 748 refuted. 0 times theorem prover too weak. 801 trivial. 0 not checked. [2022-11-20 17:35:32,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:35:32,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 107 states and 129 transitions. [2022-11-20 17:35:32,071 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 129 transitions. [2022-11-20 17:35:32,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-11-20 17:35:32,072 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:35:32,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:35:32,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:35:32,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 39 conjunts are in the unsatisfiable core [2022-11-20 17:35:32,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:35:32,575 INFO L134 CoverageAnalysis]: Checked inductivity of 1730 backedges. 0 proven. 837 refuted. 0 times theorem prover too weak. 893 trivial. 0 not checked. [2022-11-20 17:35:33,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:35:33,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 112 states and 135 transitions. [2022-11-20 17:35:33,094 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 135 transitions. [2022-11-20 17:35:33,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2022-11-20 17:35:33,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:35:33,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:35:33,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:35:33,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 498 conjuncts, 41 conjunts are in the unsatisfiable core [2022-11-20 17:35:33,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:35:33,647 INFO L134 CoverageAnalysis]: Checked inductivity of 2023 backedges. 0 proven. 931 refuted. 0 times theorem prover too weak. 1092 trivial. 0 not checked. [2022-11-20 17:35:34,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:35:34,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 117 states and 141 transitions. [2022-11-20 17:35:34,232 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 141 transitions. [2022-11-20 17:35:34,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2022-11-20 17:35:34,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:35:34,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:35:34,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:35:34,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 507 conjuncts, 43 conjunts are in the unsatisfiable core [2022-11-20 17:35:34,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:35:34,753 INFO L134 CoverageAnalysis]: Checked inductivity of 2122 backedges. 0 proven. 1030 refuted. 0 times theorem prover too weak. 1092 trivial. 0 not checked. [2022-11-20 17:35:35,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:35:35,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 122 states and 147 transitions. [2022-11-20 17:35:35,262 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 147 transitions. [2022-11-20 17:35:35,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2022-11-20 17:35:35,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:35:35,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:35:35,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:35:35,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 530 conjuncts, 45 conjunts are in the unsatisfiable core [2022-11-20 17:35:35,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:35:35,754 INFO L134 CoverageAnalysis]: Checked inductivity of 2333 backedges. 0 proven. 1134 refuted. 0 times theorem prover too weak. 1199 trivial. 0 not checked. [2022-11-20 17:35:36,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:35:36,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 127 states and 153 transitions. [2022-11-20 17:35:36,321 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 153 transitions. [2022-11-20 17:35:36,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2022-11-20 17:35:36,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:35:36,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:35:36,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:35:36,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 553 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-20 17:35:36,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:35:36,859 INFO L134 CoverageAnalysis]: Checked inductivity of 2554 backedges. 0 proven. 1243 refuted. 0 times theorem prover too weak. 1311 trivial. 0 not checked. [2022-11-20 17:35:37,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:35:37,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 132 states and 159 transitions. [2022-11-20 17:35:37,509 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 159 transitions. [2022-11-20 17:35:37,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-11-20 17:35:37,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:35:37,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:35:37,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:35:37,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 590 conjuncts, 49 conjunts are in the unsatisfiable core [2022-11-20 17:35:37,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:35:38,142 INFO L134 CoverageAnalysis]: Checked inductivity of 2907 backedges. 0 proven. 1357 refuted. 0 times theorem prover too weak. 1550 trivial. 0 not checked. [2022-11-20 17:35:38,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:35:38,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 137 states and 165 transitions. [2022-11-20 17:35:38,798 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 165 transitions. [2022-11-20 17:35:38,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2022-11-20 17:35:38,800 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:35:38,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:35:38,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:35:38,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 613 conjuncts, 51 conjunts are in the unsatisfiable core [2022-11-20 17:35:38,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:35:39,381 INFO L134 CoverageAnalysis]: Checked inductivity of 3153 backedges. 0 proven. 1476 refuted. 0 times theorem prover too weak. 1677 trivial. 0 not checked. [2022-11-20 17:35:40,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:35:40,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 142 states and 171 transitions. [2022-11-20 17:35:40,074 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 171 transitions. [2022-11-20 17:35:40,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2022-11-20 17:35:40,076 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:35:40,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:35:40,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:35:40,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 622 conjuncts, 53 conjunts are in the unsatisfiable core [2022-11-20 17:35:40,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:35:40,689 INFO L134 CoverageAnalysis]: Checked inductivity of 3277 backedges. 0 proven. 1600 refuted. 0 times theorem prover too weak. 1677 trivial. 0 not checked. [2022-11-20 17:35:41,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:35:41,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 147 states and 177 transitions. [2022-11-20 17:35:41,345 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 177 transitions. [2022-11-20 17:35:41,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2022-11-20 17:35:41,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:35:41,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:35:41,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:35:41,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 659 conjuncts, 55 conjunts are in the unsatisfiable core [2022-11-20 17:35:41,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:35:41,961 INFO L134 CoverageAnalysis]: Checked inductivity of 3675 backedges. 0 proven. 1729 refuted. 0 times theorem prover too weak. 1946 trivial. 0 not checked. [2022-11-20 17:35:42,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:35:42,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 152 states and 183 transitions. [2022-11-20 17:35:42,640 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 183 transitions. [2022-11-20 17:35:42,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2022-11-20 17:35:42,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:35:42,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:35:42,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:35:42,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 668 conjuncts, 57 conjunts are in the unsatisfiable core [2022-11-20 17:35:42,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:35:43,276 INFO L134 CoverageAnalysis]: Checked inductivity of 3809 backedges. 0 proven. 1863 refuted. 0 times theorem prover too weak. 1946 trivial. 0 not checked. [2022-11-20 17:35:43,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:35:43,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 157 states and 189 transitions. [2022-11-20 17:35:43,958 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 189 transitions. [2022-11-20 17:35:43,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2022-11-20 17:35:43,961 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:35:43,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:35:44,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:35:44,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 705 conjuncts, 59 conjunts are in the unsatisfiable core [2022-11-20 17:35:44,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:35:44,630 INFO L134 CoverageAnalysis]: Checked inductivity of 4237 backedges. 0 proven. 2002 refuted. 0 times theorem prover too weak. 2235 trivial. 0 not checked. [2022-11-20 17:35:45,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:35:45,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 162 states and 195 transitions. [2022-11-20 17:35:45,294 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 195 transitions. [2022-11-20 17:35:45,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2022-11-20 17:35:45,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:35:45,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:35:45,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:35:45,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 714 conjuncts, 61 conjunts are in the unsatisfiable core [2022-11-20 17:35:45,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:35:45,976 INFO L134 CoverageAnalysis]: Checked inductivity of 4381 backedges. 0 proven. 2146 refuted. 0 times theorem prover too weak. 2235 trivial. 0 not checked. [2022-11-20 17:35:46,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:35:46,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 167 states and 201 transitions. [2022-11-20 17:35:46,689 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 201 transitions. [2022-11-20 17:35:46,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2022-11-20 17:35:46,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:35:46,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:35:46,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:35:46,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 751 conjuncts, 63 conjunts are in the unsatisfiable core [2022-11-20 17:35:46,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:35:47,410 INFO L134 CoverageAnalysis]: Checked inductivity of 4839 backedges. 0 proven. 2295 refuted. 0 times theorem prover too weak. 2544 trivial. 0 not checked. [2022-11-20 17:35:48,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:35:48,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 172 states and 207 transitions. [2022-11-20 17:35:48,145 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 207 transitions. [2022-11-20 17:35:48,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2022-11-20 17:35:48,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:35:48,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:35:48,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:35:48,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 760 conjuncts, 65 conjunts are in the unsatisfiable core [2022-11-20 17:35:48,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:35:48,930 INFO L134 CoverageAnalysis]: Checked inductivity of 4993 backedges. 0 proven. 2449 refuted. 0 times theorem prover too weak. 2544 trivial. 0 not checked. [2022-11-20 17:35:49,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:35:49,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 177 states and 213 transitions. [2022-11-20 17:35:49,657 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 213 transitions. [2022-11-20 17:35:49,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2022-11-20 17:35:49,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:35:49,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:35:49,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:35:49,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 783 conjuncts, 67 conjunts are in the unsatisfiable core [2022-11-20 17:35:49,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:35:50,414 INFO L134 CoverageAnalysis]: Checked inductivity of 5314 backedges. 0 proven. 2608 refuted. 0 times theorem prover too weak. 2706 trivial. 0 not checked. [2022-11-20 17:35:51,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:35:51,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 182 states and 219 transitions. [2022-11-20 17:35:51,196 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 219 transitions. [2022-11-20 17:35:51,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2022-11-20 17:35:51,198 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:35:51,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:35:51,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:35:51,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 820 conjuncts, 69 conjunts are in the unsatisfiable core [2022-11-20 17:35:51,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:35:52,008 INFO L134 CoverageAnalysis]: Checked inductivity of 5817 backedges. 0 proven. 2772 refuted. 0 times theorem prover too weak. 3045 trivial. 0 not checked. [2022-11-20 17:35:52,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:35:52,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 187 states and 225 transitions. [2022-11-20 17:35:52,779 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 225 transitions. [2022-11-20 17:35:52,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2022-11-20 17:35:52,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:35:52,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:35:52,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:35:52,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 829 conjuncts, 71 conjunts are in the unsatisfiable core [2022-11-20 17:35:52,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:35:53,572 INFO L134 CoverageAnalysis]: Checked inductivity of 5986 backedges. 0 proven. 2941 refuted. 0 times theorem prover too weak. 3045 trivial. 0 not checked. [2022-11-20 17:35:54,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:35:54,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 192 states and 231 transitions. [2022-11-20 17:35:54,417 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 231 transitions. [2022-11-20 17:35:54,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2022-11-20 17:35:54,419 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:35:54,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:35:54,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:35:54,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 852 conjuncts, 73 conjunts are in the unsatisfiable core [2022-11-20 17:35:54,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:35:55,257 INFO L134 CoverageAnalysis]: Checked inductivity of 6337 backedges. 0 proven. 3115 refuted. 0 times theorem prover too weak. 3222 trivial. 0 not checked. [2022-11-20 17:35:56,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:35:56,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 197 states and 237 transitions. [2022-11-20 17:35:56,148 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 237 transitions. [2022-11-20 17:35:56,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2022-11-20 17:35:56,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:35:56,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:35:56,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:35:56,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 875 conjuncts, 75 conjunts are in the unsatisfiable core [2022-11-20 17:35:56,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:35:56,959 INFO L134 CoverageAnalysis]: Checked inductivity of 6698 backedges. 0 proven. 3294 refuted. 0 times theorem prover too weak. 3404 trivial. 0 not checked. [2022-11-20 17:35:57,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:35:57,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 202 states and 243 transitions. [2022-11-20 17:35:57,905 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 243 transitions. [2022-11-20 17:35:57,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2022-11-20 17:35:57,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:35:57,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:35:58,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:35:58,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 898 conjuncts, 77 conjunts are in the unsatisfiable core [2022-11-20 17:35:58,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:35:58,750 INFO L134 CoverageAnalysis]: Checked inductivity of 7069 backedges. 0 proven. 3478 refuted. 0 times theorem prover too weak. 3591 trivial. 0 not checked. [2022-11-20 17:35:59,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:35:59,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 207 states and 249 transitions. [2022-11-20 17:35:59,712 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 249 transitions. [2022-11-20 17:35:59,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2022-11-20 17:35:59,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:35:59,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:35:59,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:35:59,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 921 conjuncts, 79 conjunts are in the unsatisfiable core [2022-11-20 17:35:59,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:36:00,613 INFO L134 CoverageAnalysis]: Checked inductivity of 7450 backedges. 0 proven. 3667 refuted. 0 times theorem prover too weak. 3783 trivial. 0 not checked. [2022-11-20 17:36:01,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:36:01,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 212 states and 255 transitions. [2022-11-20 17:36:01,601 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 255 transitions. [2022-11-20 17:36:01,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2022-11-20 17:36:01,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:36:01,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:36:01,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:36:01,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 944 conjuncts, 81 conjunts are in the unsatisfiable core [2022-11-20 17:36:01,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:36:02,578 INFO L134 CoverageAnalysis]: Checked inductivity of 7841 backedges. 0 proven. 3861 refuted. 0 times theorem prover too weak. 3980 trivial. 0 not checked. [2022-11-20 17:36:03,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:36:03,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 217 states and 261 transitions. [2022-11-20 17:36:03,558 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 261 transitions. [2022-11-20 17:36:03,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 416 [2022-11-20 17:36:03,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:36:03,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:36:03,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:36:03,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 967 conjuncts, 83 conjunts are in the unsatisfiable core [2022-11-20 17:36:03,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:36:04,492 INFO L134 CoverageAnalysis]: Checked inductivity of 8242 backedges. 0 proven. 4060 refuted. 0 times theorem prover too weak. 4182 trivial. 0 not checked. [2022-11-20 17:36:05,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:36:05,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 222 states and 267 transitions. [2022-11-20 17:36:05,509 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 267 transitions. [2022-11-20 17:36:05,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2022-11-20 17:36:05,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:36:05,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:36:05,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:36:05,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 990 conjuncts, 85 conjunts are in the unsatisfiable core [2022-11-20 17:36:05,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:36:06,493 INFO L134 CoverageAnalysis]: Checked inductivity of 8653 backedges. 0 proven. 4264 refuted. 0 times theorem prover too weak. 4389 trivial. 0 not checked. [2022-11-20 17:36:07,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:36:07,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 227 states and 273 transitions. [2022-11-20 17:36:07,552 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 273 transitions. [2022-11-20 17:36:07,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 436 [2022-11-20 17:36:07,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:36:07,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:36:07,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:36:07,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 1013 conjuncts, 87 conjunts are in the unsatisfiable core [2022-11-20 17:36:07,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:36:08,469 INFO L134 CoverageAnalysis]: Checked inductivity of 9074 backedges. 0 proven. 4473 refuted. 0 times theorem prover too weak. 4601 trivial. 0 not checked. [2022-11-20 17:36:09,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:36:09,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 232 states and 279 transitions. [2022-11-20 17:36:09,423 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 279 transitions. [2022-11-20 17:36:09,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 446 [2022-11-20 17:36:09,426 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:36:09,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:36:09,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:36:09,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 1036 conjuncts, 89 conjunts are in the unsatisfiable core [2022-11-20 17:36:09,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:36:10,472 INFO L134 CoverageAnalysis]: Checked inductivity of 9505 backedges. 0 proven. 4687 refuted. 0 times theorem prover too weak. 4818 trivial. 0 not checked. [2022-11-20 17:36:11,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:36:11,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 237 states and 285 transitions. [2022-11-20 17:36:11,512 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 285 transitions. [2022-11-20 17:36:11,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 456 [2022-11-20 17:36:11,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:36:11,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:36:11,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:36:11,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 1059 conjuncts, 91 conjunts are in the unsatisfiable core [2022-11-20 17:36:11,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:36:12,604 INFO L134 CoverageAnalysis]: Checked inductivity of 9946 backedges. 0 proven. 4906 refuted. 0 times theorem prover too weak. 5040 trivial. 0 not checked. [2022-11-20 17:36:13,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:36:13,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 242 states and 291 transitions. [2022-11-20 17:36:13,699 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 291 transitions. [2022-11-20 17:36:13,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 466 [2022-11-20 17:36:13,701 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:36:13,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:36:13,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:36:13,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 1082 conjuncts, 93 conjunts are in the unsatisfiable core [2022-11-20 17:36:13,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:36:14,752 INFO L134 CoverageAnalysis]: Checked inductivity of 10397 backedges. 0 proven. 5130 refuted. 0 times theorem prover too weak. 5267 trivial. 0 not checked. [2022-11-20 17:36:15,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:36:15,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 247 states and 297 transitions. [2022-11-20 17:36:15,933 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 297 transitions. [2022-11-20 17:36:15,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 481 [2022-11-20 17:36:15,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:36:15,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:36:16,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:36:16,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 1119 conjuncts, 95 conjunts are in the unsatisfiable core [2022-11-20 17:36:16,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:36:16,992 INFO L134 CoverageAnalysis]: Checked inductivity of 11095 backedges. 0 proven. 5359 refuted. 0 times theorem prover too weak. 5736 trivial. 0 not checked. [2022-11-20 17:36:18,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:36:18,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 252 states and 303 transitions. [2022-11-20 17:36:18,235 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 303 transitions. [2022-11-20 17:36:18,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 491 [2022-11-20 17:36:18,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:36:18,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:36:18,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:36:18,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 1142 conjuncts, 97 conjunts are in the unsatisfiable core [2022-11-20 17:36:18,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:36:19,356 INFO L134 CoverageAnalysis]: Checked inductivity of 11571 backedges. 0 proven. 5593 refuted. 0 times theorem prover too weak. 5978 trivial. 0 not checked. [2022-11-20 17:36:20,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:36:20,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 257 states and 309 transitions. [2022-11-20 17:36:20,458 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 309 transitions. [2022-11-20 17:36:20,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 496 [2022-11-20 17:36:20,460 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:36:20,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:36:20,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:36:20,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 1151 conjuncts, 99 conjunts are in the unsatisfiable core [2022-11-20 17:36:20,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:36:21,511 INFO L134 CoverageAnalysis]: Checked inductivity of 11810 backedges. 0 proven. 5832 refuted. 0 times theorem prover too weak. 5978 trivial. 0 not checked. [2022-11-20 17:36:22,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:36:22,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 262 states and 315 transitions. [2022-11-20 17:36:22,720 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 315 transitions. [2022-11-20 17:36:22,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 511 [2022-11-20 17:36:22,723 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:36:22,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:36:22,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:36:22,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 1188 conjuncts, 101 conjunts are in the unsatisfiable core [2022-11-20 17:36:22,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:36:23,845 INFO L134 CoverageAnalysis]: Checked inductivity of 12553 backedges. 0 proven. 6076 refuted. 0 times theorem prover too weak. 6477 trivial. 0 not checked. [2022-11-20 17:36:25,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:36:25,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 267 states and 321 transitions. [2022-11-20 17:36:25,016 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 321 transitions. [2022-11-20 17:36:25,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 516 [2022-11-20 17:36:25,019 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:36:25,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:36:25,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:36:25,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 1197 conjuncts, 103 conjunts are in the unsatisfiable core [2022-11-20 17:36:25,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:36:26,163 INFO L134 CoverageAnalysis]: Checked inductivity of 12802 backedges. 0 proven. 6325 refuted. 0 times theorem prover too weak. 6477 trivial. 0 not checked. [2022-11-20 17:36:27,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:36:27,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 272 states and 327 transitions. [2022-11-20 17:36:27,369 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 327 transitions. [2022-11-20 17:36:27,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 526 [2022-11-20 17:36:27,372 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:36:27,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:36:27,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:36:27,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 1220 conjuncts, 105 conjunts are in the unsatisfiable core [2022-11-20 17:36:27,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:36:28,619 INFO L134 CoverageAnalysis]: Checked inductivity of 13313 backedges. 0 proven. 6579 refuted. 0 times theorem prover too weak. 6734 trivial. 0 not checked. [2022-11-20 17:36:29,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:36:29,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 277 states and 333 transitions. [2022-11-20 17:36:29,905 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 333 transitions. [2022-11-20 17:36:29,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 541 [2022-11-20 17:36:29,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:36:29,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:36:30,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:36:30,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 1257 conjuncts, 107 conjunts are in the unsatisfiable core [2022-11-20 17:36:30,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:36:31,114 INFO L134 CoverageAnalysis]: Checked inductivity of 14101 backedges. 0 proven. 6838 refuted. 0 times theorem prover too weak. 7263 trivial. 0 not checked. [2022-11-20 17:36:32,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:36:32,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 282 states and 339 transitions. [2022-11-20 17:36:32,516 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 339 transitions. [2022-11-20 17:36:32,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 551 [2022-11-20 17:36:32,520 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:36:32,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:36:32,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:36:32,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 1280 conjuncts, 109 conjunts are in the unsatisfiable core [2022-11-20 17:36:32,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:36:33,750 INFO L134 CoverageAnalysis]: Checked inductivity of 14637 backedges. 0 proven. 7102 refuted. 0 times theorem prover too weak. 7535 trivial. 0 not checked. [2022-11-20 17:36:34,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:36:34,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 287 states and 345 transitions. [2022-11-20 17:36:34,973 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 345 transitions. [2022-11-20 17:36:34,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 556 [2022-11-20 17:36:34,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:36:34,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:36:35,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:36:35,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 1289 conjuncts, 111 conjunts are in the unsatisfiable core [2022-11-20 17:36:35,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:36:36,246 INFO L134 CoverageAnalysis]: Checked inductivity of 14906 backedges. 0 proven. 7371 refuted. 0 times theorem prover too weak. 7535 trivial. 0 not checked. [2022-11-20 17:36:37,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:36:37,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 292 states and 351 transitions. [2022-11-20 17:36:37,573 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 351 transitions. [2022-11-20 17:36:37,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 571 [2022-11-20 17:36:37,576 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:36:37,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:36:37,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:36:37,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 1326 conjuncts, 113 conjunts are in the unsatisfiable core [2022-11-20 17:36:37,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:36:38,796 INFO L134 CoverageAnalysis]: Checked inductivity of 15739 backedges. 0 proven. 7645 refuted. 0 times theorem prover too weak. 8094 trivial. 0 not checked. [2022-11-20 17:36:40,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:36:40,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 297 states and 357 transitions. [2022-11-20 17:36:40,234 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 357 transitions. [2022-11-20 17:36:40,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 581 [2022-11-20 17:36:40,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:36:40,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:36:40,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:36:40,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 1349 conjuncts, 115 conjunts are in the unsatisfiable core [2022-11-20 17:36:40,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:36:41,512 INFO L134 CoverageAnalysis]: Checked inductivity of 16305 backedges. 0 proven. 7924 refuted. 0 times theorem prover too weak. 8381 trivial. 0 not checked. [2022-11-20 17:36:42,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:36:42,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 302 states and 363 transitions. [2022-11-20 17:36:42,843 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 363 transitions. [2022-11-20 17:36:42,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 586 [2022-11-20 17:36:42,846 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:36:42,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:36:43,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:36:43,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 1358 conjuncts, 117 conjunts are in the unsatisfiable core [2022-11-20 17:36:43,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:36:44,126 INFO L134 CoverageAnalysis]: Checked inductivity of 16589 backedges. 0 proven. 8208 refuted. 0 times theorem prover too weak. 8381 trivial. 0 not checked. [2022-11-20 17:36:45,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:36:45,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 307 states and 369 transitions. [2022-11-20 17:36:45,544 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 369 transitions. [2022-11-20 17:36:45,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 596 [2022-11-20 17:36:45,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:36:45,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:36:45,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:36:45,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 1381 conjuncts, 119 conjunts are in the unsatisfiable core [2022-11-20 17:36:45,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:36:46,911 INFO L134 CoverageAnalysis]: Checked inductivity of 17170 backedges. 0 proven. 8497 refuted. 0 times theorem prover too weak. 8673 trivial. 0 not checked. [2022-11-20 17:36:48,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:36:48,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 312 states and 375 transitions. [2022-11-20 17:36:48,482 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 375 transitions. [2022-11-20 17:36:48,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 611 [2022-11-20 17:36:48,489 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:36:48,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:36:48,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:36:48,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 1418 conjuncts, 121 conjunts are in the unsatisfiable core [2022-11-20 17:36:48,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:36:49,874 INFO L134 CoverageAnalysis]: Checked inductivity of 18063 backedges. 0 proven. 8791 refuted. 0 times theorem prover too weak. 9272 trivial. 0 not checked. [2022-11-20 17:36:51,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:36:51,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 317 states and 381 transitions. [2022-11-20 17:36:51,395 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 381 transitions. [2022-11-20 17:36:51,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 621 [2022-11-20 17:36:51,399 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:36:51,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:36:51,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:36:51,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 1441 conjuncts, 123 conjunts are in the unsatisfiable core [2022-11-20 17:36:51,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:36:52,710 INFO L134 CoverageAnalysis]: Checked inductivity of 18669 backedges. 0 proven. 9090 refuted. 0 times theorem prover too weak. 9579 trivial. 0 not checked. [2022-11-20 17:36:54,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:36:54,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 322 states and 387 transitions. [2022-11-20 17:36:54,126 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 387 transitions. [2022-11-20 17:36:54,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 626 [2022-11-20 17:36:54,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:36:54,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:36:54,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:36:54,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 1450 conjuncts, 125 conjunts are in the unsatisfiable core [2022-11-20 17:36:54,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:36:55,508 INFO L134 CoverageAnalysis]: Checked inductivity of 18973 backedges. 0 proven. 9394 refuted. 0 times theorem prover too weak. 9579 trivial. 0 not checked. [2022-11-20 17:36:57,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:36:57,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 327 states and 393 transitions. [2022-11-20 17:36:57,148 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 393 transitions. [2022-11-20 17:36:57,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 641 [2022-11-20 17:36:57,151 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:36:57,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:36:57,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:36:57,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 1487 conjuncts, 127 conjunts are in the unsatisfiable core [2022-11-20 17:36:57,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:36:58,544 INFO L134 CoverageAnalysis]: Checked inductivity of 19911 backedges. 0 proven. 9703 refuted. 0 times theorem prover too weak. 10208 trivial. 0 not checked. [2022-11-20 17:37:00,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:37:00,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 332 states and 399 transitions. [2022-11-20 17:37:00,022 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 399 transitions. [2022-11-20 17:37:00,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 646 [2022-11-20 17:37:00,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:37:00,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:37:00,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:37:00,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 1496 conjuncts, 129 conjunts are in the unsatisfiable core [2022-11-20 17:37:00,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:37:01,419 INFO L134 CoverageAnalysis]: Checked inductivity of 20225 backedges. 0 proven. 10017 refuted. 0 times theorem prover too weak. 10208 trivial. 0 not checked. [2022-11-20 17:37:03,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:37:03,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 337 states and 405 transitions. [2022-11-20 17:37:03,002 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 405 transitions. [2022-11-20 17:37:03,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 661 [2022-11-20 17:37:03,006 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:37:03,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:37:03,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:37:03,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 1533 conjuncts, 131 conjunts are in the unsatisfiable core [2022-11-20 17:37:03,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:37:04,429 INFO L134 CoverageAnalysis]: Checked inductivity of 21193 backedges. 0 proven. 10336 refuted. 0 times theorem prover too weak. 10857 trivial. 0 not checked. [2022-11-20 17:37:06,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:37:06,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 342 states and 411 transitions. [2022-11-20 17:37:06,035 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 411 transitions. [2022-11-20 17:37:06,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 666 [2022-11-20 17:37:06,038 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:37:06,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:37:06,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:37:06,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 1542 conjuncts, 133 conjunts are in the unsatisfiable core [2022-11-20 17:37:06,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:37:07,617 INFO L134 CoverageAnalysis]: Checked inductivity of 21517 backedges. 0 proven. 10660 refuted. 0 times theorem prover too weak. 10857 trivial. 0 not checked. [2022-11-20 17:37:09,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:37:09,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 347 states and 417 transitions. [2022-11-20 17:37:09,243 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 417 transitions. [2022-11-20 17:37:09,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 676 [2022-11-20 17:37:09,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:37:09,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:37:09,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:37:09,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 1565 conjuncts, 135 conjunts are in the unsatisfiable core [2022-11-20 17:37:09,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:37:10,744 INFO L134 CoverageAnalysis]: Checked inductivity of 22178 backedges. 0 proven. 10989 refuted. 0 times theorem prover too weak. 11189 trivial. 0 not checked. [2022-11-20 17:37:12,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:37:12,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 352 states and 423 transitions. [2022-11-20 17:37:12,481 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 423 transitions. [2022-11-20 17:37:12,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 686 [2022-11-20 17:37:12,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:37:12,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:37:12,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:37:12,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 1588 conjuncts, 137 conjunts are in the unsatisfiable core [2022-11-20 17:37:12,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:37:13,967 INFO L134 CoverageAnalysis]: Checked inductivity of 22849 backedges. 0 proven. 11323 refuted. 0 times theorem prover too weak. 11526 trivial. 0 not checked. [2022-11-20 17:37:15,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:37:15,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 357 states and 429 transitions. [2022-11-20 17:37:15,668 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 429 transitions. [2022-11-20 17:37:15,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 701 [2022-11-20 17:37:15,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:37:15,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:37:15,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:37:15,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 1625 conjuncts, 139 conjunts are in the unsatisfiable core [2022-11-20 17:37:15,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:37:17,205 INFO L134 CoverageAnalysis]: Checked inductivity of 23877 backedges. 0 proven. 11662 refuted. 0 times theorem prover too weak. 12215 trivial. 0 not checked. [2022-11-20 17:37:18,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:37:18,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 362 states and 435 transitions. [2022-11-20 17:37:18,956 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 435 transitions. [2022-11-20 17:37:18,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 706 [2022-11-20 17:37:18,961 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:37:18,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:37:19,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:37:19,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 1634 conjuncts, 141 conjunts are in the unsatisfiable core [2022-11-20 17:37:19,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:37:20,738 INFO L134 CoverageAnalysis]: Checked inductivity of 24221 backedges. 0 proven. 12006 refuted. 0 times theorem prover too weak. 12215 trivial. 0 not checked. [2022-11-20 17:37:22,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:37:22,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 367 states and 441 transitions. [2022-11-20 17:37:22,959 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 441 transitions. [2022-11-20 17:37:22,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 721 [2022-11-20 17:37:22,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:37:22,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:37:23,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:37:23,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 1671 conjuncts, 143 conjunts are in the unsatisfiable core [2022-11-20 17:37:23,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:37:24,986 INFO L134 CoverageAnalysis]: Checked inductivity of 25279 backedges. 0 proven. 12355 refuted. 0 times theorem prover too weak. 12924 trivial. 0 not checked. [2022-11-20 17:37:27,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:37:27,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 372 states and 447 transitions. [2022-11-20 17:37:27,220 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 447 transitions. [2022-11-20 17:37:27,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 726 [2022-11-20 17:37:27,225 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:37:27,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:37:27,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:37:27,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 1680 conjuncts, 145 conjunts are in the unsatisfiable core [2022-11-20 17:37:27,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:37:29,060 INFO L134 CoverageAnalysis]: Checked inductivity of 25633 backedges. 0 proven. 12709 refuted. 0 times theorem prover too weak. 12924 trivial. 0 not checked. [2022-11-20 17:37:30,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:37:30,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 377 states and 453 transitions. [2022-11-20 17:37:30,871 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 453 transitions. [2022-11-20 17:37:30,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 741 [2022-11-20 17:37:30,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:37:30,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:37:31,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:37:31,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 1717 conjuncts, 147 conjunts are in the unsatisfiable core [2022-11-20 17:37:31,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:37:32,847 INFO L134 CoverageAnalysis]: Checked inductivity of 26721 backedges. 0 proven. 13068 refuted. 0 times theorem prover too weak. 13653 trivial. 0 not checked. [2022-11-20 17:37:34,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:37:34,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 382 states and 459 transitions. [2022-11-20 17:37:34,800 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 459 transitions. [2022-11-20 17:37:34,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 746 [2022-11-20 17:37:34,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:37:34,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:37:35,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:37:35,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 1726 conjuncts, 149 conjunts are in the unsatisfiable core [2022-11-20 17:37:35,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:37:36,456 INFO L134 CoverageAnalysis]: Checked inductivity of 27085 backedges. 0 proven. 13432 refuted. 0 times theorem prover too weak. 13653 trivial. 0 not checked. [2022-11-20 17:37:38,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:37:38,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 387 states and 465 transitions. [2022-11-20 17:37:38,304 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 465 transitions. [2022-11-20 17:37:38,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 761 [2022-11-20 17:37:38,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:37:38,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:37:38,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:37:38,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 1763 conjuncts, 151 conjunts are in the unsatisfiable core [2022-11-20 17:37:38,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:37:40,094 INFO L134 CoverageAnalysis]: Checked inductivity of 28203 backedges. 0 proven. 13801 refuted. 0 times theorem prover too weak. 14402 trivial. 0 not checked. [2022-11-20 17:37:42,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:37:42,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 392 states and 471 transitions. [2022-11-20 17:37:42,064 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 471 transitions. [2022-11-20 17:37:42,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 766 [2022-11-20 17:37:42,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:37:42,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:37:42,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:37:42,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 1772 conjuncts, 153 conjunts are in the unsatisfiable core [2022-11-20 17:37:42,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:37:43,849 INFO L134 CoverageAnalysis]: Checked inductivity of 28577 backedges. 0 proven. 14175 refuted. 0 times theorem prover too weak. 14402 trivial. 0 not checked. [2022-11-20 17:37:45,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:37:45,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 397 states and 477 transitions. [2022-11-20 17:37:45,901 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 477 transitions. [2022-11-20 17:37:45,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 781 [2022-11-20 17:37:45,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:37:45,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:37:46,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:37:46,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 1809 conjuncts, 155 conjunts are in the unsatisfiable core [2022-11-20 17:37:46,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:37:47,652 INFO L134 CoverageAnalysis]: Checked inductivity of 29725 backedges. 0 proven. 14554 refuted. 0 times theorem prover too weak. 15171 trivial. 0 not checked. [2022-11-20 17:37:49,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:37:49,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 402 states and 483 transitions. [2022-11-20 17:37:49,664 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 483 transitions. [2022-11-20 17:37:49,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 786 [2022-11-20 17:37:49,669 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:37:49,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:37:50,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:37:50,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 1818 conjuncts, 157 conjunts are in the unsatisfiable core [2022-11-20 17:37:50,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:37:51,537 INFO L134 CoverageAnalysis]: Checked inductivity of 30109 backedges. 0 proven. 14938 refuted. 0 times theorem prover too weak. 15171 trivial. 0 not checked. [2022-11-20 17:37:53,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:37:53,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 407 states and 489 transitions. [2022-11-20 17:37:53,614 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 489 transitions. [2022-11-20 17:37:53,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 796 [2022-11-20 17:37:53,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:37:53,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:37:53,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:37:54,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 1841 conjuncts, 159 conjunts are in the unsatisfiable core [2022-11-20 17:37:54,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:37:55,441 INFO L134 CoverageAnalysis]: Checked inductivity of 30890 backedges. 0 proven. 15327 refuted. 0 times theorem prover too weak. 15563 trivial. 0 not checked. [2022-11-20 17:37:57,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:37:57,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 412 states and 495 transitions. [2022-11-20 17:37:57,589 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 495 transitions. [2022-11-20 17:37:57,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 811 [2022-11-20 17:37:57,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:37:57,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:37:57,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:37:57,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 1878 conjuncts, 161 conjunts are in the unsatisfiable core [2022-11-20 17:37:57,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:37:59,531 INFO L134 CoverageAnalysis]: Checked inductivity of 32083 backedges. 0 proven. 15721 refuted. 0 times theorem prover too weak. 16362 trivial. 0 not checked. [2022-11-20 17:38:01,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:01,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 417 states and 501 transitions. [2022-11-20 17:38:01,770 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 501 transitions. [2022-11-20 17:38:01,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 821 [2022-11-20 17:38:01,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:01,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:02,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:02,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 1901 conjuncts, 163 conjunts are in the unsatisfiable core [2022-11-20 17:38:02,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:38:03,696 INFO L134 CoverageAnalysis]: Checked inductivity of 32889 backedges. 0 proven. 16120 refuted. 0 times theorem prover too weak. 16769 trivial. 0 not checked. [2022-11-20 17:38:05,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:05,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 422 states and 507 transitions. [2022-11-20 17:38:05,807 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 507 transitions. [2022-11-20 17:38:05,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 826 [2022-11-20 17:38:05,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:05,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:06,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:06,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 1910 conjuncts, 165 conjunts are in the unsatisfiable core [2022-11-20 17:38:06,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:38:07,660 INFO L134 CoverageAnalysis]: Checked inductivity of 33293 backedges. 0 proven. 16524 refuted. 0 times theorem prover too weak. 16769 trivial. 0 not checked. [2022-11-20 17:38:09,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:09,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 427 states and 513 transitions. [2022-11-20 17:38:09,826 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 513 transitions. [2022-11-20 17:38:09,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 836 [2022-11-20 17:38:09,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:09,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:10,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:10,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 1933 conjuncts, 167 conjunts are in the unsatisfiable core [2022-11-20 17:38:10,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:38:11,673 INFO L134 CoverageAnalysis]: Checked inductivity of 34114 backedges. 0 proven. 16933 refuted. 0 times theorem prover too weak. 17181 trivial. 0 not checked. [2022-11-20 17:38:13,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:13,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 432 states and 519 transitions. [2022-11-20 17:38:13,822 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 519 transitions. [2022-11-20 17:38:13,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 846 [2022-11-20 17:38:13,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:13,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:14,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:14,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 1956 conjuncts, 169 conjunts are in the unsatisfiable core [2022-11-20 17:38:14,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:38:15,845 INFO L134 CoverageAnalysis]: Checked inductivity of 34945 backedges. 0 proven. 17347 refuted. 0 times theorem prover too weak. 17598 trivial. 0 not checked. [2022-11-20 17:38:18,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:18,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 437 states and 525 transitions. [2022-11-20 17:38:18,064 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 525 transitions. [2022-11-20 17:38:18,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 856 [2022-11-20 17:38:18,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:18,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:18,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:18,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 1979 conjuncts, 171 conjunts are in the unsatisfiable core [2022-11-20 17:38:18,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:38:20,015 INFO L134 CoverageAnalysis]: Checked inductivity of 35786 backedges. 0 proven. 17766 refuted. 0 times theorem prover too weak. 18020 trivial. 0 not checked. [2022-11-20 17:38:22,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:22,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 442 states and 531 transitions. [2022-11-20 17:38:22,134 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 531 transitions. [2022-11-20 17:38:22,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 866 [2022-11-20 17:38:22,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:22,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:22,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:22,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 2002 conjuncts, 173 conjunts are in the unsatisfiable core [2022-11-20 17:38:22,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:38:24,055 INFO L134 CoverageAnalysis]: Checked inductivity of 36637 backedges. 0 proven. 18190 refuted. 0 times theorem prover too weak. 18447 trivial. 0 not checked. [2022-11-20 17:38:26,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:26,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 447 states and 537 transitions. [2022-11-20 17:38:26,310 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 537 transitions. [2022-11-20 17:38:26,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 876 [2022-11-20 17:38:26,315 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:26,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:26,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:26,711 INFO L263 TraceCheckSpWp]: Trace formula consists of 2025 conjuncts, 175 conjunts are in the unsatisfiable core [2022-11-20 17:38:26,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:38:28,285 INFO L134 CoverageAnalysis]: Checked inductivity of 37498 backedges. 0 proven. 18619 refuted. 0 times theorem prover too weak. 18879 trivial. 0 not checked. [2022-11-20 17:38:30,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:30,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 452 states and 543 transitions. [2022-11-20 17:38:30,471 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 543 transitions. [2022-11-20 17:38:30,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 886 [2022-11-20 17:38:30,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:30,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:30,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:30,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 2048 conjuncts, 177 conjunts are in the unsatisfiable core [2022-11-20 17:38:30,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:38:32,450 INFO L134 CoverageAnalysis]: Checked inductivity of 38369 backedges. 0 proven. 19053 refuted. 0 times theorem prover too weak. 19316 trivial. 0 not checked. [2022-11-20 17:38:34,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:34,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 457 states and 549 transitions. [2022-11-20 17:38:34,775 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 549 transitions. [2022-11-20 17:38:34,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 896 [2022-11-20 17:38:34,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:34,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:35,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:35,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 2071 conjuncts, 179 conjunts are in the unsatisfiable core [2022-11-20 17:38:35,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:38:36,747 INFO L134 CoverageAnalysis]: Checked inductivity of 39250 backedges. 0 proven. 19492 refuted. 0 times theorem prover too weak. 19758 trivial. 0 not checked. [2022-11-20 17:38:39,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:39,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 462 states and 555 transitions. [2022-11-20 17:38:39,044 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 555 transitions. [2022-11-20 17:38:39,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 906 [2022-11-20 17:38:39,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:39,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:39,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:39,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 2094 conjuncts, 181 conjunts are in the unsatisfiable core [2022-11-20 17:38:39,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:38:41,099 INFO L134 CoverageAnalysis]: Checked inductivity of 40141 backedges. 0 proven. 19936 refuted. 0 times theorem prover too weak. 20205 trivial. 0 not checked. [2022-11-20 17:38:43,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:43,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 467 states and 561 transitions. [2022-11-20 17:38:43,451 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 561 transitions. [2022-11-20 17:38:43,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 921 [2022-11-20 17:38:43,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:43,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:43,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:43,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 2131 conjuncts, 183 conjunts are in the unsatisfiable core [2022-11-20 17:38:43,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:38:45,537 INFO L134 CoverageAnalysis]: Checked inductivity of 41499 backedges. 0 proven. 20385 refuted. 0 times theorem prover too weak. 21114 trivial. 0 not checked. [2022-11-20 17:38:47,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:47,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 751 states to 472 states and 567 transitions. [2022-11-20 17:38:47,811 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 567 transitions. [2022-11-20 17:38:47,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 926 [2022-11-20 17:38:47,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:47,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:48,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:48,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 2140 conjuncts, 185 conjunts are in the unsatisfiable core [2022-11-20 17:38:48,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:38:49,894 INFO L134 CoverageAnalysis]: Checked inductivity of 41953 backedges. 0 proven. 20839 refuted. 0 times theorem prover too weak. 21114 trivial. 0 not checked. [2022-11-20 17:38:52,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:52,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 477 states and 573 transitions. [2022-11-20 17:38:52,384 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 573 transitions. [2022-11-20 17:38:52,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 941 [2022-11-20 17:38:52,390 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:52,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:52,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:52,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 2177 conjuncts, 187 conjunts are in the unsatisfiable core [2022-11-20 17:38:52,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:38:54,552 INFO L134 CoverageAnalysis]: Checked inductivity of 43341 backedges. 0 proven. 21298 refuted. 0 times theorem prover too weak. 22043 trivial. 0 not checked. [2022-11-20 17:38:56,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:56,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 482 states and 579 transitions. [2022-11-20 17:38:56,960 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 579 transitions. [2022-11-20 17:38:56,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 946 [2022-11-20 17:38:56,968 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:56,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:57,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:57,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 2186 conjuncts, 189 conjunts are in the unsatisfiable core [2022-11-20 17:38:57,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:38:59,103 INFO L134 CoverageAnalysis]: Checked inductivity of 43805 backedges. 0 proven. 21762 refuted. 0 times theorem prover too weak. 22043 trivial. 0 not checked. [2022-11-20 17:39:01,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:39:01,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 487 states and 585 transitions. [2022-11-20 17:39:01,650 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 585 transitions. [2022-11-20 17:39:01,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 961 [2022-11-20 17:39:01,658 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:39:01,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:39:02,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:39:02,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 2223 conjuncts, 191 conjunts are in the unsatisfiable core [2022-11-20 17:39:02,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:39:03,822 INFO L134 CoverageAnalysis]: Checked inductivity of 45223 backedges. 0 proven. 22231 refuted. 0 times theorem prover too weak. 22992 trivial. 0 not checked. [2022-11-20 17:39:06,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:39:06,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 492 states and 591 transitions. [2022-11-20 17:39:06,296 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 591 transitions. [2022-11-20 17:39:06,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 966 [2022-11-20 17:39:06,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:39:06,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:39:06,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:39:06,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 2232 conjuncts, 193 conjunts are in the unsatisfiable core [2022-11-20 17:39:06,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:39:08,624 INFO L134 CoverageAnalysis]: Checked inductivity of 45697 backedges. 0 proven. 22705 refuted. 0 times theorem prover too weak. 22992 trivial. 0 not checked. [2022-11-20 17:39:11,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:39:11,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 497 states and 597 transitions. [2022-11-20 17:39:11,128 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 597 transitions. [2022-11-20 17:39:11,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 981 [2022-11-20 17:39:11,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:39:11,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:39:11,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:39:11,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 2269 conjuncts, 195 conjunts are in the unsatisfiable core [2022-11-20 17:39:11,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:39:13,357 INFO L134 CoverageAnalysis]: Checked inductivity of 47145 backedges. 0 proven. 23184 refuted. 0 times theorem prover too weak. 23961 trivial. 0 not checked. [2022-11-20 17:39:15,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:39:15,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 502 states and 603 transitions. [2022-11-20 17:39:15,882 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 603 transitions. [2022-11-20 17:39:15,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 986 [2022-11-20 17:39:15,890 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:39:15,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:39:16,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:39:16,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 2278 conjuncts, 197 conjunts are in the unsatisfiable core [2022-11-20 17:39:16,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:39:18,226 INFO L134 CoverageAnalysis]: Checked inductivity of 47629 backedges. 0 proven. 23668 refuted. 0 times theorem prover too weak. 23961 trivial. 0 not checked. [2022-11-20 17:39:20,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:39:20,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 507 states and 609 transitions. [2022-11-20 17:39:20,772 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 609 transitions. [2022-11-20 17:39:20,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 996 [2022-11-20 17:39:20,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:39:20,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:39:21,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:39:21,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 199 conjunts are in the unsatisfiable core [2022-11-20 17:39:21,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:39:23,081 INFO L134 CoverageAnalysis]: Checked inductivity of 48610 backedges. 0 proven. 24157 refuted. 0 times theorem prover too weak. 24453 trivial. 0 not checked. [2022-11-20 17:39:25,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:39:25,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 512 states and 615 transitions. [2022-11-20 17:39:25,760 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 615 transitions. [2022-11-20 17:39:25,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1006 [2022-11-20 17:39:25,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:39:25,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:39:26,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:39:26,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 2324 conjuncts, 201 conjunts are in the unsatisfiable core [2022-11-20 17:39:26,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:39:28,009 INFO L134 CoverageAnalysis]: Checked inductivity of 49601 backedges. 0 proven. 24651 refuted. 0 times theorem prover too weak. 24950 trivial. 0 not checked. [2022-11-20 17:39:30,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:39:30,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 517 states and 621 transitions. [2022-11-20 17:39:30,668 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 621 transitions. [2022-11-20 17:39:30,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1016 [2022-11-20 17:39:30,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:39:30,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:39:31,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:39:31,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 2347 conjuncts, 203 conjunts are in the unsatisfiable core [2022-11-20 17:39:31,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:39:33,159 INFO L134 CoverageAnalysis]: Checked inductivity of 50602 backedges. 0 proven. 25150 refuted. 0 times theorem prover too weak. 25452 trivial. 0 not checked. [2022-11-20 17:39:35,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:39:35,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 522 states and 627 transitions. [2022-11-20 17:39:35,860 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 627 transitions. [2022-11-20 17:39:35,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1026 [2022-11-20 17:39:35,870 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:39:35,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:39:36,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:39:36,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 2370 conjuncts, 205 conjunts are in the unsatisfiable core [2022-11-20 17:39:36,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:39:38,222 INFO L134 CoverageAnalysis]: Checked inductivity of 51613 backedges. 0 proven. 25654 refuted. 0 times theorem prover too weak. 25959 trivial. 0 not checked. [2022-11-20 17:39:40,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:39:40,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 839 states to 527 states and 633 transitions. [2022-11-20 17:39:40,892 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 633 transitions. [2022-11-20 17:39:40,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1036 [2022-11-20 17:39:40,901 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:39:40,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:39:41,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:39:41,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 2393 conjuncts, 207 conjunts are in the unsatisfiable core [2022-11-20 17:39:41,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:39:43,393 INFO L134 CoverageAnalysis]: Checked inductivity of 52634 backedges. 0 proven. 26163 refuted. 0 times theorem prover too weak. 26471 trivial. 0 not checked. [2022-11-20 17:39:46,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:39:46,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 532 states and 639 transitions. [2022-11-20 17:39:46,140 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 639 transitions. [2022-11-20 17:39:46,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1051 [2022-11-20 17:39:46,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:39:46,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:39:46,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:39:46,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 2430 conjuncts, 209 conjunts are in the unsatisfiable core [2022-11-20 17:39:46,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:39:48,547 INFO L134 CoverageAnalysis]: Checked inductivity of 54187 backedges. 0 proven. 26677 refuted. 0 times theorem prover too weak. 27510 trivial. 0 not checked. [2022-11-20 17:39:51,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:39:51,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 855 states to 537 states and 645 transitions. [2022-11-20 17:39:51,408 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 645 transitions. [2022-11-20 17:39:51,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1056 [2022-11-20 17:39:51,417 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:39:51,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:39:51,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:39:51,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 2439 conjuncts, 211 conjunts are in the unsatisfiable core [2022-11-20 17:39:51,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:39:53,949 INFO L134 CoverageAnalysis]: Checked inductivity of 54706 backedges. 0 proven. 27196 refuted. 0 times theorem prover too weak. 27510 trivial. 0 not checked. [2022-11-20 17:39:56,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:39:56,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 542 states and 651 transitions. [2022-11-20 17:39:56,727 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 651 transitions. [2022-11-20 17:39:56,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1066 [2022-11-20 17:39:56,735 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:39:56,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:39:57,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:39:57,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 2462 conjuncts, 213 conjunts are in the unsatisfiable core [2022-11-20 17:39:57,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:39:59,291 INFO L134 CoverageAnalysis]: Checked inductivity of 55757 backedges. 0 proven. 27720 refuted. 0 times theorem prover too weak. 28037 trivial. 0 not checked. [2022-11-20 17:40:02,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:40:02,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 547 states and 657 transitions. [2022-11-20 17:40:02,096 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 657 transitions. [2022-11-20 17:40:02,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1076 [2022-11-20 17:40:02,103 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:40:02,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:40:02,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:40:02,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 2485 conjuncts, 215 conjunts are in the unsatisfiable core [2022-11-20 17:40:02,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:40:04,607 INFO L134 CoverageAnalysis]: Checked inductivity of 56818 backedges. 0 proven. 28249 refuted. 0 times theorem prover too weak. 28569 trivial. 0 not checked. [2022-11-20 17:40:07,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:40:07,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 552 states and 663 transitions. [2022-11-20 17:40:07,582 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 663 transitions. [2022-11-20 17:40:07,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1091 [2022-11-20 17:40:07,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:40:07,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:40:08,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:40:08,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 2522 conjuncts, 217 conjunts are in the unsatisfiable core [2022-11-20 17:40:08,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:40:10,197 INFO L134 CoverageAnalysis]: Checked inductivity of 58431 backedges. 0 proven. 28783 refuted. 0 times theorem prover too weak. 29648 trivial. 0 not checked. [2022-11-20 17:40:13,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:40:13,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 557 states and 669 transitions. [2022-11-20 17:40:13,122 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 669 transitions. [2022-11-20 17:40:13,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1096 [2022-11-20 17:40:13,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:40:13,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:40:13,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:40:13,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 2531 conjuncts, 219 conjunts are in the unsatisfiable core [2022-11-20 17:40:13,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:40:15,793 INFO L134 CoverageAnalysis]: Checked inductivity of 58970 backedges. 0 proven. 29322 refuted. 0 times theorem prover too weak. 29648 trivial. 0 not checked. [2022-11-20 17:40:18,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:40:18,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 562 states and 675 transitions. [2022-11-20 17:40:18,726 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 675 transitions. [2022-11-20 17:40:18,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1111 [2022-11-20 17:40:18,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:40:18,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:40:19,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:40:19,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 2568 conjuncts, 221 conjunts are in the unsatisfiable core [2022-11-20 17:40:19,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:40:21,352 INFO L134 CoverageAnalysis]: Checked inductivity of 60613 backedges. 0 proven. 29866 refuted. 0 times theorem prover too weak. 30747 trivial. 0 not checked. [2022-11-20 17:40:24,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:40:24,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 567 states and 681 transitions. [2022-11-20 17:40:24,566 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 681 transitions. [2022-11-20 17:40:24,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1121 [2022-11-20 17:40:24,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:40:24,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:40:25,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:40:25,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 2591 conjuncts, 223 conjunts are in the unsatisfiable core [2022-11-20 17:40:25,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:40:27,274 INFO L134 CoverageAnalysis]: Checked inductivity of 61719 backedges. 0 proven. 30415 refuted. 0 times theorem prover too weak. 31304 trivial. 0 not checked. [2022-11-20 17:40:30,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:40:30,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 911 states to 572 states and 687 transitions. [2022-11-20 17:40:30,346 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 687 transitions. [2022-11-20 17:40:30,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1131 [2022-11-20 17:40:30,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:40:30,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:40:30,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:40:30,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 2614 conjuncts, 225 conjunts are in the unsatisfiable core [2022-11-20 17:40:30,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:40:33,064 INFO L134 CoverageAnalysis]: Checked inductivity of 62835 backedges. 0 proven. 30969 refuted. 0 times theorem prover too weak. 31866 trivial. 0 not checked. [2022-11-20 17:40:36,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:40:36,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 577 states and 693 transitions. [2022-11-20 17:40:36,313 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 693 transitions. [2022-11-20 17:40:36,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1141 [2022-11-20 17:40:36,321 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:40:36,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:40:36,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:40:36,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 2637 conjuncts, 227 conjunts are in the unsatisfiable core [2022-11-20 17:40:36,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:40:39,004 INFO L134 CoverageAnalysis]: Checked inductivity of 63961 backedges. 0 proven. 31528 refuted. 0 times theorem prover too weak. 32433 trivial. 0 not checked. [2022-11-20 17:40:42,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:40:42,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 582 states and 699 transitions. [2022-11-20 17:40:42,064 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 699 transitions. [2022-11-20 17:40:42,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1151 [2022-11-20 17:40:42,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:40:42,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:40:42,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:40:42,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 2660 conjuncts, 229 conjunts are in the unsatisfiable core [2022-11-20 17:40:42,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:40:44,888 INFO L134 CoverageAnalysis]: Checked inductivity of 65097 backedges. 0 proven. 32092 refuted. 0 times theorem prover too weak. 33005 trivial. 0 not checked. [2022-11-20 17:40:47,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:40:47,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 587 states and 705 transitions. [2022-11-20 17:40:47,995 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 705 transitions. [2022-11-20 17:40:48,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1156 [2022-11-20 17:40:48,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:40:48,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:40:48,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:40:48,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 2669 conjuncts, 231 conjunts are in the unsatisfiable core [2022-11-20 17:40:48,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:40:50,741 INFO L134 CoverageAnalysis]: Checked inductivity of 65666 backedges. 0 proven. 32661 refuted. 0 times theorem prover too weak. 33005 trivial. 0 not checked. [2022-11-20 17:40:53,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:40:53,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 943 states to 592 states and 711 transitions. [2022-11-20 17:40:53,921 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 711 transitions. [2022-11-20 17:40:53,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1171 [2022-11-20 17:40:53,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:40:53,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:40:54,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:40:54,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 2706 conjuncts, 233 conjunts are in the unsatisfiable core [2022-11-20 17:40:54,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:40:56,791 INFO L134 CoverageAnalysis]: Checked inductivity of 67399 backedges. 0 proven. 33235 refuted. 0 times theorem prover too weak. 34164 trivial. 0 not checked. [2022-11-20 17:40:59,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:40:59,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 951 states to 597 states and 717 transitions. [2022-11-20 17:40:59,988 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 717 transitions. [2022-11-20 17:40:59,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1181 [2022-11-20 17:40:59,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:40:59,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:41:00,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:41:00,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 2729 conjuncts, 235 conjunts are in the unsatisfiable core [2022-11-20 17:41:00,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:41:02,839 INFO L134 CoverageAnalysis]: Checked inductivity of 68565 backedges. 0 proven. 33814 refuted. 0 times theorem prover too weak. 34751 trivial. 0 not checked. [2022-11-20 17:41:06,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:41:06,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 602 states and 723 transitions. [2022-11-20 17:41:06,299 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 723 transitions. [2022-11-20 17:41:06,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1186 [2022-11-20 17:41:06,308 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:41:06,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:41:06,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:41:06,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 2738 conjuncts, 237 conjunts are in the unsatisfiable core [2022-11-20 17:41:06,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:41:09,153 INFO L134 CoverageAnalysis]: Checked inductivity of 69149 backedges. 0 proven. 34398 refuted. 0 times theorem prover too weak. 34751 trivial. 0 not checked. [2022-11-20 17:41:12,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:41:12,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 967 states to 607 states and 729 transitions. [2022-11-20 17:41:12,410 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 729 transitions. [2022-11-20 17:41:12,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1196 [2022-11-20 17:41:12,422 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:41:12,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:41:12,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:41:13,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 2761 conjuncts, 239 conjunts are in the unsatisfiable core [2022-11-20 17:41:13,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:41:15,461 INFO L134 CoverageAnalysis]: Checked inductivity of 70330 backedges. 0 proven. 34987 refuted. 0 times theorem prover too weak. 35343 trivial. 0 not checked. [2022-11-20 17:41:18,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:41:18,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 975 states to 612 states and 735 transitions. [2022-11-20 17:41:18,855 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 735 transitions. [2022-11-20 17:41:18,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1206 [2022-11-20 17:41:18,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:41:18,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:41:19,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:41:19,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 2784 conjuncts, 241 conjunts are in the unsatisfiable core [2022-11-20 17:41:19,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:41:21,729 INFO L134 CoverageAnalysis]: Checked inductivity of 71521 backedges. 0 proven. 35581 refuted. 0 times theorem prover too weak. 35940 trivial. 0 not checked. [2022-11-20 17:41:25,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:41:25,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 983 states to 617 states and 741 transitions. [2022-11-20 17:41:25,119 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 741 transitions. [2022-11-20 17:41:25,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1216 [2022-11-20 17:41:25,255 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:41:25,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:41:25,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:41:25,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 2807 conjuncts, 243 conjunts are in the unsatisfiable core [2022-11-20 17:41:25,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:41:28,176 INFO L134 CoverageAnalysis]: Checked inductivity of 72722 backedges. 0 proven. 36180 refuted. 0 times theorem prover too weak. 36542 trivial. 0 not checked. [2022-11-20 17:41:31,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:41:31,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 622 states and 747 transitions. [2022-11-20 17:41:31,567 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 747 transitions. [2022-11-20 17:41:31,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1226 [2022-11-20 17:41:31,577 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:41:31,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:41:32,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:41:32,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 2830 conjuncts, 245 conjunts are in the unsatisfiable core [2022-11-20 17:41:32,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:41:34,631 INFO L134 CoverageAnalysis]: Checked inductivity of 73933 backedges. 0 proven. 36784 refuted. 0 times theorem prover too weak. 37149 trivial. 0 not checked. [2022-11-20 17:41:38,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:41:38,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 627 states and 753 transitions. [2022-11-20 17:41:38,190 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 753 transitions. [2022-11-20 17:41:38,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1241 [2022-11-20 17:41:38,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:41:38,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:41:38,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:41:38,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 2867 conjuncts, 247 conjunts are in the unsatisfiable core [2022-11-20 17:41:38,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:41:41,285 INFO L134 CoverageAnalysis]: Checked inductivity of 75771 backedges. 0 proven. 37393 refuted. 0 times theorem prover too weak. 38378 trivial. 0 not checked. [2022-11-20 17:41:44,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:41:44,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1007 states to 632 states and 759 transitions. [2022-11-20 17:41:44,804 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 759 transitions. [2022-11-20 17:41:44,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1246 [2022-11-20 17:41:44,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:41:44,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:41:45,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:41:45,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 2876 conjuncts, 249 conjunts are in the unsatisfiable core [2022-11-20 17:41:45,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:41:47,978 INFO L134 CoverageAnalysis]: Checked inductivity of 76385 backedges. 0 proven. 38007 refuted. 0 times theorem prover too weak. 38378 trivial. 0 not checked. [2022-11-20 17:41:51,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:41:51,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 637 states and 765 transitions. [2022-11-20 17:41:51,454 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 765 transitions. [2022-11-20 17:41:51,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1261 [2022-11-20 17:41:51,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:41:51,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:41:52,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:41:52,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 2913 conjuncts, 251 conjunts are in the unsatisfiable core [2022-11-20 17:41:52,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:41:54,575 INFO L134 CoverageAnalysis]: Checked inductivity of 78253 backedges. 0 proven. 38626 refuted. 0 times theorem prover too weak. 39627 trivial. 0 not checked. [2022-11-20 17:41:58,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:41:58,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1023 states to 642 states and 771 transitions. [2022-11-20 17:41:58,301 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 771 transitions. [2022-11-20 17:41:58,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1271 [2022-11-20 17:41:58,311 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:41:58,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:41:58,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:41:58,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 2936 conjuncts, 253 conjunts are in the unsatisfiable core [2022-11-20 17:41:58,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:42:01,416 INFO L134 CoverageAnalysis]: Checked inductivity of 79509 backedges. 0 proven. 39250 refuted. 0 times theorem prover too weak. 40259 trivial. 0 not checked. [2022-11-20 17:42:05,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:42:05,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1031 states to 647 states and 777 transitions. [2022-11-20 17:42:05,207 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 777 transitions. [2022-11-20 17:42:05,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1281 [2022-11-20 17:42:05,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:42:05,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:42:05,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:42:05,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 2959 conjuncts, 255 conjunts are in the unsatisfiable core [2022-11-20 17:42:05,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:42:08,370 INFO L134 CoverageAnalysis]: Checked inductivity of 80775 backedges. 0 proven. 39879 refuted. 0 times theorem prover too weak. 40896 trivial. 0 not checked. [2022-11-20 17:42:12,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:42:12,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 652 states and 783 transitions. [2022-11-20 17:42:12,021 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 783 transitions. [2022-11-20 17:42:12,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1291 [2022-11-20 17:42:12,034 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:42:12,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:42:12,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:42:12,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 2982 conjuncts, 257 conjunts are in the unsatisfiable core [2022-11-20 17:42:12,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:42:15,378 INFO L134 CoverageAnalysis]: Checked inductivity of 82051 backedges. 0 proven. 40513 refuted. 0 times theorem prover too weak. 41538 trivial. 0 not checked. [2022-11-20 17:42:19,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:42:19,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 657 states and 789 transitions. [2022-11-20 17:42:19,033 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 789 transitions. [2022-11-20 17:42:19,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1296 [2022-11-20 17:42:19,043 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:42:19,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:42:19,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:42:19,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 2991 conjuncts, 259 conjunts are in the unsatisfiable core [2022-11-20 17:42:19,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:42:22,255 INFO L134 CoverageAnalysis]: Checked inductivity of 82690 backedges. 0 proven. 41152 refuted. 0 times theorem prover too weak. 41538 trivial. 0 not checked. [2022-11-20 17:42:26,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:42:26,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 662 states and 795 transitions. [2022-11-20 17:42:26,104 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 795 transitions. [2022-11-20 17:42:26,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1311 [2022-11-20 17:42:26,115 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:42:26,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:42:26,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:42:26,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 3028 conjuncts, 261 conjunts are in the unsatisfiable core [2022-11-20 17:42:26,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:42:29,278 INFO L134 CoverageAnalysis]: Checked inductivity of 84633 backedges. 0 proven. 41796 refuted. 0 times theorem prover too weak. 42837 trivial. 0 not checked. [2022-11-20 17:42:33,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:42:33,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1063 states to 667 states and 801 transitions. [2022-11-20 17:42:33,058 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 801 transitions. [2022-11-20 17:42:33,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1321 [2022-11-20 17:42:33,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:42:33,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:42:33,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:42:33,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 3051 conjuncts, 263 conjunts are in the unsatisfiable core [2022-11-20 17:42:33,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:42:36,498 INFO L134 CoverageAnalysis]: Checked inductivity of 85939 backedges. 0 proven. 42445 refuted. 0 times theorem prover too weak. 43494 trivial. 0 not checked. [2022-11-20 17:42:40,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:42:40,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1071 states to 672 states and 807 transitions. [2022-11-20 17:42:40,315 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 807 transitions. [2022-11-20 17:42:40,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1326 [2022-11-20 17:42:40,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:42:40,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:42:40,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:42:41,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 3060 conjuncts, 265 conjunts are in the unsatisfiable core [2022-11-20 17:42:41,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:42:43,819 INFO L134 CoverageAnalysis]: Checked inductivity of 86593 backedges. 0 proven. 43099 refuted. 0 times theorem prover too weak. 43494 trivial. 0 not checked. [2022-11-20 17:42:47,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:42:47,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1079 states to 677 states and 813 transitions. [2022-11-20 17:42:47,828 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 813 transitions. [2022-11-20 17:42:47,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1341 [2022-11-20 17:42:47,840 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:42:47,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:42:48,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:42:48,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 3097 conjuncts, 267 conjunts are in the unsatisfiable core [2022-11-20 17:42:48,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:42:51,135 INFO L134 CoverageAnalysis]: Checked inductivity of 88581 backedges. 0 proven. 43758 refuted. 0 times theorem prover too weak. 44823 trivial. 0 not checked. [2022-11-20 17:42:55,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:42:55,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1087 states to 682 states and 819 transitions. [2022-11-20 17:42:55,060 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 819 transitions. [2022-11-20 17:42:55,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1346 [2022-11-20 17:42:55,072 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:42:55,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:42:55,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:42:55,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 3106 conjuncts, 269 conjunts are in the unsatisfiable core [2022-11-20 17:42:55,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:42:58,551 INFO L134 CoverageAnalysis]: Checked inductivity of 89245 backedges. 0 proven. 44422 refuted. 0 times theorem prover too weak. 44823 trivial. 0 not checked. [2022-11-20 17:43:02,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:43:02,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1095 states to 687 states and 825 transitions. [2022-11-20 17:43:02,558 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 825 transitions. [2022-11-20 17:43:02,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1361 [2022-11-20 17:43:02,570 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:43:02,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:43:03,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:43:03,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 3143 conjuncts, 271 conjunts are in the unsatisfiable core [2022-11-20 17:43:03,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:43:06,038 INFO L134 CoverageAnalysis]: Checked inductivity of 91263 backedges. 0 proven. 45091 refuted. 0 times theorem prover too weak. 46172 trivial. 0 not checked. [2022-11-20 17:43:10,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:43:10,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1103 states to 692 states and 831 transitions. [2022-11-20 17:43:10,141 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 831 transitions. [2022-11-20 17:43:10,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1366 [2022-11-20 17:43:10,152 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:43:10,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:43:10,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:43:10,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 3152 conjuncts, 273 conjunts are in the unsatisfiable core [2022-11-20 17:43:10,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:43:13,529 INFO L134 CoverageAnalysis]: Checked inductivity of 91937 backedges. 0 proven. 45765 refuted. 0 times theorem prover too weak. 46172 trivial. 0 not checked. [2022-11-20 17:43:17,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:43:17,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1111 states to 697 states and 837 transitions. [2022-11-20 17:43:17,695 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 837 transitions. [2022-11-20 17:43:17,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1381 [2022-11-20 17:43:17,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:43:17,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:43:18,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:43:18,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 3189 conjuncts, 275 conjunts are in the unsatisfiable core [2022-11-20 17:43:18,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:43:21,184 INFO L134 CoverageAnalysis]: Checked inductivity of 93985 backedges. 0 proven. 46444 refuted. 0 times theorem prover too weak. 47541 trivial. 0 not checked. [2022-11-20 17:43:25,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:43:25,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1119 states to 702 states and 843 transitions. [2022-11-20 17:43:25,424 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 843 transitions. [2022-11-20 17:43:25,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1391 [2022-11-20 17:43:25,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:43:25,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:43:26,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:43:26,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 3212 conjuncts, 277 conjunts are in the unsatisfiable core [2022-11-20 17:43:26,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:43:29,117 INFO L134 CoverageAnalysis]: Checked inductivity of 95361 backedges. 0 proven. 47128 refuted. 0 times theorem prover too weak. 48233 trivial. 0 not checked. [2022-11-20 17:43:33,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:43:33,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 707 states and 849 transitions. [2022-11-20 17:43:33,313 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 849 transitions. [2022-11-20 17:43:33,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1401 [2022-11-20 17:43:33,325 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:43:33,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:43:33,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:43:33,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 3235 conjuncts, 279 conjunts are in the unsatisfiable core [2022-11-20 17:43:34,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:43:37,086 INFO L134 CoverageAnalysis]: Checked inductivity of 96747 backedges. 0 proven. 47817 refuted. 0 times theorem prover too weak. 48930 trivial. 0 not checked. [2022-11-20 17:43:41,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:43:41,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1135 states to 712 states and 855 transitions. [2022-11-20 17:43:41,358 INFO L276 IsEmpty]: Start isEmpty. Operand 712 states and 855 transitions. [2022-11-20 17:43:41,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1406 [2022-11-20 17:43:41,372 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:43:41,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:43:42,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:43:42,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 3244 conjuncts, 281 conjunts are in the unsatisfiable core [2022-11-20 17:43:42,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:43:45,068 INFO L134 CoverageAnalysis]: Checked inductivity of 97441 backedges. 0 proven. 48511 refuted. 0 times theorem prover too weak. 48930 trivial. 0 not checked. [2022-11-20 17:43:49,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:43:49,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1143 states to 717 states and 861 transitions. [2022-11-20 17:43:49,492 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 861 transitions. [2022-11-20 17:43:49,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1416 [2022-11-20 17:43:49,505 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:43:49,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:43:50,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:43:50,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 3267 conjuncts, 283 conjunts are in the unsatisfiable core [2022-11-20 17:43:50,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:43:53,169 INFO L134 CoverageAnalysis]: Checked inductivity of 98842 backedges. 0 proven. 49210 refuted. 0 times theorem prover too weak. 49632 trivial. 0 not checked. [2022-11-20 17:43:57,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:43:57,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1151 states to 722 states and 867 transitions. [2022-11-20 17:43:57,663 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 867 transitions. [2022-11-20 17:43:57,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1426 [2022-11-20 17:43:57,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:43:57,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:43:58,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:43:58,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 3290 conjuncts, 285 conjunts are in the unsatisfiable core [2022-11-20 17:43:58,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:44:01,368 INFO L134 CoverageAnalysis]: Checked inductivity of 100253 backedges. 0 proven. 49914 refuted. 0 times theorem prover too weak. 50339 trivial. 0 not checked. [2022-11-20 17:44:06,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:44:06,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1159 states to 727 states and 873 transitions. [2022-11-20 17:44:06,120 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 873 transitions. [2022-11-20 17:44:06,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1436 [2022-11-20 17:44:06,134 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:44:06,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:44:06,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:44:06,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 3313 conjuncts, 287 conjunts are in the unsatisfiable core [2022-11-20 17:44:06,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:44:09,964 INFO L134 CoverageAnalysis]: Checked inductivity of 101674 backedges. 0 proven. 50623 refuted. 0 times theorem prover too weak. 51051 trivial. 0 not checked. [2022-11-20 17:44:14,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:44:14,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1167 states to 732 states and 879 transitions. [2022-11-20 17:44:14,712 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 879 transitions. [2022-11-20 17:44:14,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1446 [2022-11-20 17:44:14,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:44:14,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:44:15,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:44:15,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 3336 conjuncts, 289 conjunts are in the unsatisfiable core [2022-11-20 17:44:15,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:44:18,806 INFO L134 CoverageAnalysis]: Checked inductivity of 103105 backedges. 0 proven. 51337 refuted. 0 times theorem prover too weak. 51768 trivial. 0 not checked. [2022-11-20 17:44:23,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:44:23,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1175 states to 737 states and 885 transitions. [2022-11-20 17:44:23,539 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 885 transitions. [2022-11-20 17:44:23,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1461 [2022-11-20 17:44:23,701 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:44:23,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:44:24,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:44:24,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 3373 conjuncts, 291 conjunts are in the unsatisfiable core [2022-11-20 17:44:24,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:44:27,453 INFO L134 CoverageAnalysis]: Checked inductivity of 105273 backedges. 0 proven. 52056 refuted. 0 times theorem prover too weak. 53217 trivial. 0 not checked. [2022-11-20 17:44:32,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:44:32,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 742 states and 891 transitions. [2022-11-20 17:44:32,202 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 891 transitions. [2022-11-20 17:44:32,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1471 [2022-11-20 17:44:32,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:44:32,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:44:33,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:44:33,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 3396 conjuncts, 293 conjunts are in the unsatisfiable core [2022-11-20 17:44:33,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:44:36,294 INFO L134 CoverageAnalysis]: Checked inductivity of 106729 backedges. 0 proven. 52780 refuted. 0 times theorem prover too weak. 53949 trivial. 0 not checked. [2022-11-20 17:44:41,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:44:41,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1191 states to 747 states and 897 transitions. [2022-11-20 17:44:41,176 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 897 transitions. [2022-11-20 17:44:41,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1481 [2022-11-20 17:44:41,190 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:44:41,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:44:41,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:44:41,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 3419 conjuncts, 295 conjunts are in the unsatisfiable core [2022-11-20 17:44:41,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:44:45,339 INFO L134 CoverageAnalysis]: Checked inductivity of 108195 backedges. 0 proven. 53509 refuted. 0 times theorem prover too weak. 54686 trivial. 0 not checked. [2022-11-20 17:44:50,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:44:50,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1199 states to 752 states and 903 transitions. [2022-11-20 17:44:50,118 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 903 transitions. [2022-11-20 17:44:50,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1486 [2022-11-20 17:44:50,132 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:44:50,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:44:50,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:44:50,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 3428 conjuncts, 297 conjunts are in the unsatisfiable core [2022-11-20 17:44:50,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:44:54,273 INFO L134 CoverageAnalysis]: Checked inductivity of 108929 backedges. 0 proven. 54243 refuted. 0 times theorem prover too weak. 54686 trivial. 0 not checked. [2022-11-20 17:44:59,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:44:59,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1207 states to 757 states and 909 transitions. [2022-11-20 17:44:59,350 INFO L276 IsEmpty]: Start isEmpty. Operand 757 states and 909 transitions. [2022-11-20 17:44:59,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1496 [2022-11-20 17:44:59,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:44:59,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:45:00,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:45:00,080 INFO L263 TraceCheckSpWp]: Trace formula consists of 3451 conjuncts, 299 conjunts are in the unsatisfiable core [2022-11-20 17:45:00,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:45:03,481 INFO L134 CoverageAnalysis]: Checked inductivity of 110410 backedges. 0 proven. 54982 refuted. 0 times theorem prover too weak. 55428 trivial. 0 not checked. [2022-11-20 17:45:08,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:45:08,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 762 states and 915 transitions. [2022-11-20 17:45:08,541 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states and 915 transitions. [2022-11-20 17:45:08,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1511 [2022-11-20 17:45:08,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:45:08,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:45:09,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:45:09,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 3488 conjuncts, 301 conjunts are in the unsatisfiable core [2022-11-20 17:45:09,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:45:12,876 INFO L134 CoverageAnalysis]: Checked inductivity of 112653 backedges. 0 proven. 55726 refuted. 0 times theorem prover too weak. 56927 trivial. 0 not checked. [2022-11-20 17:45:17,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:45:17,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1223 states to 767 states and 921 transitions. [2022-11-20 17:45:17,967 INFO L276 IsEmpty]: Start isEmpty. Operand 767 states and 921 transitions. [2022-11-20 17:45:17,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1516 [2022-11-20 17:45:17,981 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:45:17,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:45:18,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:45:18,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 3497 conjuncts, 303 conjunts are in the unsatisfiable core [2022-11-20 17:45:18,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:45:22,187 INFO L134 CoverageAnalysis]: Checked inductivity of 113402 backedges. 0 proven. 56475 refuted. 0 times theorem prover too weak. 56927 trivial. 0 not checked. [2022-11-20 17:45:27,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:45:27,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1231 states to 772 states and 927 transitions. [2022-11-20 17:45:27,318 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 927 transitions. [2022-11-20 17:45:27,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1531 [2022-11-20 17:45:27,333 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:45:27,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:45:28,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:45:28,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 3534 conjuncts, 305 conjunts are in the unsatisfiable core [2022-11-20 17:45:28,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:45:31,497 INFO L134 CoverageAnalysis]: Checked inductivity of 115675 backedges. 0 proven. 57229 refuted. 0 times theorem prover too weak. 58446 trivial. 0 not checked. [2022-11-20 17:45:36,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:45:36,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1239 states to 777 states and 933 transitions. [2022-11-20 17:45:36,637 INFO L276 IsEmpty]: Start isEmpty. Operand 777 states and 933 transitions. [2022-11-20 17:45:36,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1541 [2022-11-20 17:45:36,666 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:45:36,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:45:37,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:45:37,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 3557 conjuncts, 307 conjunts are in the unsatisfiable core [2022-11-20 17:45:37,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:45:41,042 INFO L134 CoverageAnalysis]: Checked inductivity of 117201 backedges. 0 proven. 57988 refuted. 0 times theorem prover too weak. 59213 trivial. 0 not checked. [2022-11-20 17:45:46,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:45:46,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1247 states to 782 states and 939 transitions. [2022-11-20 17:45:46,115 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 939 transitions. [2022-11-20 17:45:46,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1546 [2022-11-20 17:45:46,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:45:46,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:45:46,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:45:46,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 3566 conjuncts, 309 conjunts are in the unsatisfiable core [2022-11-20 17:45:46,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:45:50,221 INFO L134 CoverageAnalysis]: Checked inductivity of 117965 backedges. 0 proven. 58752 refuted. 0 times theorem prover too weak. 59213 trivial. 0 not checked. [2022-11-20 17:45:55,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:45:55,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 787 states and 945 transitions. [2022-11-20 17:45:55,247 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 945 transitions. [2022-11-20 17:45:55,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1561 [2022-11-20 17:45:55,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:45:55,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:45:55,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:45:56,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 3603 conjuncts, 311 conjunts are in the unsatisfiable core [2022-11-20 17:45:56,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:45:59,536 INFO L134 CoverageAnalysis]: Checked inductivity of 120283 backedges. 0 proven. 59521 refuted. 0 times theorem prover too weak. 60762 trivial. 0 not checked. [2022-11-20 17:46:04,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:46:04,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1263 states to 792 states and 951 transitions. [2022-11-20 17:46:04,621 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 951 transitions. [2022-11-20 17:46:04,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1566 [2022-11-20 17:46:04,637 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:46:04,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:46:05,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:46:05,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 3612 conjuncts, 313 conjunts are in the unsatisfiable core [2022-11-20 17:46:05,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:46:08,797 INFO L134 CoverageAnalysis]: Checked inductivity of 121057 backedges. 0 proven. 60295 refuted. 0 times theorem prover too weak. 60762 trivial. 0 not checked. [2022-11-20 17:46:13,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:46:13,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1271 states to 797 states and 957 transitions. [2022-11-20 17:46:13,852 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 957 transitions. [2022-11-20 17:46:13,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1576 [2022-11-20 17:46:13,867 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:46:13,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:46:14,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:46:14,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 3635 conjuncts, 315 conjunts are in the unsatisfiable core [2022-11-20 17:46:14,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:46:18,218 INFO L134 CoverageAnalysis]: Checked inductivity of 122618 backedges. 0 proven. 61074 refuted. 0 times theorem prover too weak. 61544 trivial. 0 not checked. [2022-11-20 17:46:23,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:46:23,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 802 states and 963 transitions. [2022-11-20 17:46:23,320 INFO L276 IsEmpty]: Start isEmpty. Operand 802 states and 963 transitions. [2022-11-20 17:46:23,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1586 [2022-11-20 17:46:23,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:46:23,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:46:24,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:46:24,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 3658 conjuncts, 317 conjunts are in the unsatisfiable core [2022-11-20 17:46:24,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:46:27,500 INFO L134 CoverageAnalysis]: Checked inductivity of 124189 backedges. 0 proven. 61858 refuted. 0 times theorem prover too weak. 62331 trivial. 0 not checked. [2022-11-20 17:46:32,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:46:32,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1287 states to 807 states and 969 transitions. [2022-11-20 17:46:32,610 INFO L276 IsEmpty]: Start isEmpty. Operand 807 states and 969 transitions. [2022-11-20 17:46:32,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1601 [2022-11-20 17:46:32,626 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:46:32,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:46:33,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:46:33,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 3695 conjuncts, 319 conjunts are in the unsatisfiable core [2022-11-20 17:46:33,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:46:36,935 INFO L134 CoverageAnalysis]: Checked inductivity of 126567 backedges. 0 proven. 62647 refuted. 0 times theorem prover too weak. 63920 trivial. 0 not checked. [2022-11-20 17:46:42,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:46:42,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1295 states to 812 states and 975 transitions. [2022-11-20 17:46:42,122 INFO L276 IsEmpty]: Start isEmpty. Operand 812 states and 975 transitions. [2022-11-20 17:46:42,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1611 [2022-11-20 17:46:42,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:46:42,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:46:42,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:46:43,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 3718 conjuncts, 321 conjunts are in the unsatisfiable core [2022-11-20 17:46:43,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:46:46,643 INFO L134 CoverageAnalysis]: Checked inductivity of 128163 backedges. 0 proven. 63441 refuted. 0 times theorem prover too weak. 64722 trivial. 0 not checked. [2022-11-20 17:46:51,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:46:51,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1303 states to 817 states and 981 transitions. [2022-11-20 17:46:51,861 INFO L276 IsEmpty]: Start isEmpty. Operand 817 states and 981 transitions. [2022-11-20 17:46:51,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1616 [2022-11-20 17:46:51,877 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:46:51,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:46:52,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:46:52,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 3727 conjuncts, 323 conjunts are in the unsatisfiable core [2022-11-20 17:46:52,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:46:56,302 INFO L134 CoverageAnalysis]: Checked inductivity of 128962 backedges. 0 proven. 64240 refuted. 0 times theorem prover too weak. 64722 trivial. 0 not checked. [2022-11-20 17:47:01,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:47:01,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1311 states to 822 states and 987 transitions. [2022-11-20 17:47:01,598 INFO L276 IsEmpty]: Start isEmpty. Operand 822 states and 987 transitions. [2022-11-20 17:47:01,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1626 [2022-11-20 17:47:01,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:47:01,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:47:02,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:47:02,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 3750 conjuncts, 325 conjunts are in the unsatisfiable core [2022-11-20 17:47:02,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:47:06,058 INFO L134 CoverageAnalysis]: Checked inductivity of 130573 backedges. 0 proven. 65044 refuted. 0 times theorem prover too weak. 65529 trivial. 0 not checked. [2022-11-20 17:47:11,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:47:11,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1319 states to 827 states and 993 transitions. [2022-11-20 17:47:11,384 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 993 transitions. [2022-11-20 17:47:11,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1636 [2022-11-20 17:47:11,401 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:47:11,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:47:12,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:47:12,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 3773 conjuncts, 327 conjunts are in the unsatisfiable core [2022-11-20 17:47:12,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:47:15,746 INFO L134 CoverageAnalysis]: Checked inductivity of 132194 backedges. 0 proven. 65853 refuted. 0 times theorem prover too weak. 66341 trivial. 0 not checked. [2022-11-20 17:47:21,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:47:21,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1327 states to 832 states and 999 transitions. [2022-11-20 17:47:21,091 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 999 transitions. [2022-11-20 17:47:21,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1651 [2022-11-20 17:47:21,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:47:21,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:47:21,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:47:21,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 3810 conjuncts, 329 conjunts are in the unsatisfiable core [2022-11-20 17:47:21,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:47:25,709 INFO L134 CoverageAnalysis]: Checked inductivity of 134647 backedges. 0 proven. 66667 refuted. 0 times theorem prover too weak. 67980 trivial. 0 not checked. [2022-11-20 17:47:31,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:47:31,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1335 states to 837 states and 1005 transitions. [2022-11-20 17:47:31,289 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 1005 transitions. [2022-11-20 17:47:31,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1656 [2022-11-20 17:47:31,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:47:31,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:47:32,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:47:32,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 3819 conjuncts, 331 conjunts are in the unsatisfiable core [2022-11-20 17:47:32,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:47:35,732 INFO L134 CoverageAnalysis]: Checked inductivity of 135466 backedges. 0 proven. 67486 refuted. 0 times theorem prover too weak. 67980 trivial. 0 not checked. [2022-11-20 17:47:41,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:47:41,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1343 states to 842 states and 1011 transitions. [2022-11-20 17:47:41,202 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 1011 transitions. [2022-11-20 17:47:41,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1671 [2022-11-20 17:47:41,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:47:41,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:47:41,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:47:42,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 3856 conjuncts, 333 conjunts are in the unsatisfiable core [2022-11-20 17:47:42,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:47:45,835 INFO L134 CoverageAnalysis]: Checked inductivity of 137949 backedges. 0 proven. 68310 refuted. 0 times theorem prover too weak. 69639 trivial. 0 not checked.