./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-tiling/revcpyswp2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1948761-c6ae-418a-88cd-fc6412a55f56/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1948761-c6ae-418a-88cd-fc6412a55f56/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_d1948761-c6ae-418a-88cd-fc6412a55f56/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1948761-c6ae-418a-88cd-fc6412a55f56/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/array-tiling/revcpyswp2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1948761-c6ae-418a-88cd-fc6412a55f56/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1948761-c6ae-418a-88cd-fc6412a55f56/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 32bit --witnessprinter.graph.data.programhash e5d836305a9654c4a87b407d535438bc329bb78fc0805b3b823600303a7df507 --- 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 18:17:45,980 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:17:45,982 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:17:46,005 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:17:46,006 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:17:46,012 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:17:46,015 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:17:46,019 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:17:46,021 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:17:46,026 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:17:46,028 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:17:46,031 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:17:46,031 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:17:46,036 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:17:46,038 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:17:46,040 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:17:46,042 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:17:46,043 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:17:46,045 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:17:46,051 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:17:46,053 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:17:46,055 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:17:46,056 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:17:46,057 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:17:46,067 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:17:46,067 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:17:46,068 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:17:46,069 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:17:46,070 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:17:46,071 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:17:46,072 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:17:46,073 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:17:46,074 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:17:46,076 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:17:46,078 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:17:46,078 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:17:46,079 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:17:46,079 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:17:46,080 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:17:46,080 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:17:46,081 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:17:46,082 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1948761-c6ae-418a-88cd-fc6412a55f56/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-20 18:17:46,119 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:17:46,119 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:17:46,120 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 18:17:46,120 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 18:17:46,121 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:17:46,121 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:17:46,121 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:17:46,121 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 18:17:46,121 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 18:17:46,122 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 18:17:46,122 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 18:17:46,122 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:17:46,122 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 18:17:46,122 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:17:46,122 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 18:17:46,123 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 18:17:46,123 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 18:17:46,123 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 18:17:46,123 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:17:46,123 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 18:17:46,124 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 18:17:46,124 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 18:17:46,124 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:17:46,124 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:17:46,125 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:17:46,125 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:17:46,125 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 18:17:46,125 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 18:17:46,126 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 18:17:46,126 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 18:17:46,126 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_d1948761-c6ae-418a-88cd-fc6412a55f56/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1948761-c6ae-418a-88cd-fc6412a55f56/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e5d836305a9654c4a87b407d535438bc329bb78fc0805b3b823600303a7df507 [2022-11-20 18:17:46,429 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:17:46,471 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:17:46,473 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:17:46,475 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:17:46,476 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:17:46,477 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1948761-c6ae-418a-88cd-fc6412a55f56/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/array-tiling/revcpyswp2.c [2022-11-20 18:17:49,543 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:17:49,797 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:17:49,798 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1948761-c6ae-418a-88cd-fc6412a55f56/sv-benchmarks/c/array-tiling/revcpyswp2.c [2022-11-20 18:17:49,805 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1948761-c6ae-418a-88cd-fc6412a55f56/bin/ukojak-pZX7IvK2PQ/data/e4821e081/ee4cf89f3c1f4ad780aedfca27d5581d/FLAG20db39380 [2022-11-20 18:17:49,824 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1948761-c6ae-418a-88cd-fc6412a55f56/bin/ukojak-pZX7IvK2PQ/data/e4821e081/ee4cf89f3c1f4ad780aedfca27d5581d [2022-11-20 18:17:49,829 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:17:49,831 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:17:49,836 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:17:49,836 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:17:49,840 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:17:49,840 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:17:49" (1/1) ... [2022-11-20 18:17:49,842 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53e719b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:17:49, skipping insertion in model container [2022-11-20 18:17:49,842 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:17:49" (1/1) ... [2022-11-20 18:17:49,849 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:17:49,869 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:17:50,061 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1948761-c6ae-418a-88cd-fc6412a55f56/sv-benchmarks/c/array-tiling/revcpyswp2.c[432,445] [2022-11-20 18:17:50,106 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:17:50,117 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 18:17:50,132 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1948761-c6ae-418a-88cd-fc6412a55f56/sv-benchmarks/c/array-tiling/revcpyswp2.c[432,445] [2022-11-20 18:17:50,163 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:17:50,184 INFO L208 MainTranslator]: Completed translation [2022-11-20 18:17:50,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:17:50 WrapperNode [2022-11-20 18:17:50,185 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 18:17:50,187 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 18:17:50,187 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 18:17:50,187 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 18:17:50,195 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:17:50" (1/1) ... [2022-11-20 18:17:50,218 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:17:50" (1/1) ... [2022-11-20 18:17:50,246 INFO L138 Inliner]: procedures = 16, calls = 28, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 130 [2022-11-20 18:17:50,247 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 18:17:50,248 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 18:17:50,248 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 18:17:50,248 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 18:17:50,260 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:17:50" (1/1) ... [2022-11-20 18:17:50,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:17:50" (1/1) ... [2022-11-20 18:17:50,263 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:17:50" (1/1) ... [2022-11-20 18:17:50,263 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:17:50" (1/1) ... [2022-11-20 18:17:50,269 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:17:50" (1/1) ... [2022-11-20 18:17:50,274 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:17:50" (1/1) ... [2022-11-20 18:17:50,275 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:17:50" (1/1) ... [2022-11-20 18:17:50,276 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:17:50" (1/1) ... [2022-11-20 18:17:50,278 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 18:17:50,279 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 18:17:50,280 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 18:17:50,280 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 18:17:50,281 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:17:50" (1/1) ... [2022-11-20 18:17:50,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:17:50,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1948761-c6ae-418a-88cd-fc6412a55f56/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 18:17:50,311 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1948761-c6ae-418a-88cd-fc6412a55f56/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 18:17:50,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1948761-c6ae-418a-88cd-fc6412a55f56/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 18:17:50,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 18:17:50,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 18:17:50,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 18:17:50,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 18:17:50,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 18:17:50,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 18:17:50,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 18:17:50,439 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 18:17:50,441 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 18:17:50,704 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 18:17:50,763 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 18:17:50,763 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-20 18:17:50,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:17:50 BoogieIcfgContainer [2022-11-20 18:17:50,766 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 18:17:50,767 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 18:17:50,767 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 18:17:50,778 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 18:17:50,779 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:17:50" (1/1) ... [2022-11-20 18:17:50,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 18:17:50,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:17:50,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 53 states and 58 transitions. [2022-11-20 18:17:50,858 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 58 transitions. [2022-11-20 18:17:50,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 18:17:50,861 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:17:50,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:17:51,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:17:51,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:17:51,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:17:51,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 55 states and 62 transitions. [2022-11-20 18:17:51,347 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 62 transitions. [2022-11-20 18:17:51,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 18:17:51,358 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:17:51,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:17:51,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:17:51,481 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 18:17:51,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:17:51,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 56 states and 64 transitions. [2022-11-20 18:17:51,548 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 64 transitions. [2022-11-20 18:17:51,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 18:17:51,551 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:17:51,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:17:51,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:17:51,631 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 18:17:51,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:17:51,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 57 states and 65 transitions. [2022-11-20 18:17:51,650 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 65 transitions. [2022-11-20 18:17:51,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 18:17:51,651 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:17:51,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:17:51,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:17:51,835 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:17:51,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:17:51,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 59 states and 69 transitions. [2022-11-20 18:17:51,987 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 69 transitions. [2022-11-20 18:17:51,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 18:17:51,988 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:17:51,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:17:52,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:17:52,137 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 18:17:52,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:17:52,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 65 states and 80 transitions. [2022-11-20 18:17:52,474 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 80 transitions. [2022-11-20 18:17:52,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 18:17:52,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:17:52,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:17:52,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:17:52,580 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:17:52,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:17:52,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 59 states and 68 transitions. [2022-11-20 18:17:52,872 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 68 transitions. [2022-11-20 18:17:52,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 18:17:52,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:17:52,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:17:52,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:17:52,942 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 18:17:53,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:17:53,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 60 states and 70 transitions. [2022-11-20 18:17:53,224 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 70 transitions. [2022-11-20 18:17:53,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 18:17:53,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:17:53,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:17:53,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:17:53,384 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:17:53,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:17:53,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 63 states and 75 transitions. [2022-11-20 18:17:53,588 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 75 transitions. [2022-11-20 18:17:53,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 18:17:53,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:17:53,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:17:53,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:17:53,670 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 18:17:53,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:17:53,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 65 states and 76 transitions. [2022-11-20 18:17:53,960 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 76 transitions. [2022-11-20 18:17:53,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 18:17:53,960 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:17:53,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:17:53,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:17:54,072 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 18:17:54,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:17:54,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 66 states and 78 transitions. [2022-11-20 18:17:54,450 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 78 transitions. [2022-11-20 18:17:54,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 18:17:54,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:17:54,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:17:54,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:17:54,643 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:17:54,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:17:54,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 69 states and 83 transitions. [2022-11-20 18:17:54,886 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 83 transitions. [2022-11-20 18:17:54,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 18:17:54,887 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:17:54,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:17:54,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:17:54,953 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 18:17:55,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:17:55,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 71 states and 86 transitions. [2022-11-20 18:17:55,076 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 86 transitions. [2022-11-20 18:17:55,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 18:17:55,076 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:17:55,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:17:55,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:17:55,153 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 18:17:55,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:17:55,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 73 states and 89 transitions. [2022-11-20 18:17:55,182 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 89 transitions. [2022-11-20 18:17:55,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 18:17:55,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:17:55,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:17:55,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:17:55,238 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 18:17:55,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:17:55,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 73 states and 88 transitions. [2022-11-20 18:17:55,554 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 88 transitions. [2022-11-20 18:17:55,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 18:17:55,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:17:55,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:17:55,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:17:55,624 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 18:17:55,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:17:55,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 75 states and 90 transitions. [2022-11-20 18:17:55,655 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 90 transitions. [2022-11-20 18:17:55,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 18:17:55,657 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:17:55,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:17:55,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:17:55,903 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:17:56,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:17:56,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 78 states and 95 transitions. [2022-11-20 18:17:56,172 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 95 transitions. [2022-11-20 18:17:56,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 18:17:56,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:17:56,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:17:56,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:17:56,237 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 18:17:56,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:17:56,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 79 states and 97 transitions. [2022-11-20 18:17:56,275 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 97 transitions. [2022-11-20 18:17:56,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 18:17:56,275 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:17:56,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:17:56,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:17:56,361 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 18:17:56,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:17:56,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 81 states and 100 transitions. [2022-11-20 18:17:56,393 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 100 transitions. [2022-11-20 18:17:56,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 18:17:56,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:17:56,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:17:56,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:17:56,452 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-20 18:17:56,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:17:56,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 81 states and 99 transitions. [2022-11-20 18:17:56,794 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 99 transitions. [2022-11-20 18:17:56,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 18:17:56,795 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:17:56,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:17:56,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:17:56,900 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 18:17:56,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:17:56,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 82 states and 101 transitions. [2022-11-20 18:17:56,972 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 101 transitions. [2022-11-20 18:17:56,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 18:17:56,972 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:17:56,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:17:56,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:17:57,242 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:17:57,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:17:57,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 85 states and 106 transitions. [2022-11-20 18:17:57,568 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 106 transitions. [2022-11-20 18:17:57,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 18:17:57,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:17:57,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:17:57,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:17:57,641 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 18:17:57,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:17:57,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 86 states and 107 transitions. [2022-11-20 18:17:57,666 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 107 transitions. [2022-11-20 18:17:57,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 18:17:57,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:17:57,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:17:57,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:17:57,737 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-11-20 18:17:58,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:17:58,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 86 states and 106 transitions. [2022-11-20 18:17:58,103 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 106 transitions. [2022-11-20 18:17:58,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 18:17:58,103 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:17:58,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:17:58,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:17:58,462 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:17:59,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:17:59,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 99 states and 125 transitions. [2022-11-20 18:17:59,435 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 125 transitions. [2022-11-20 18:17:59,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 18:17:59,436 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:17:59,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:17:59,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:17:59,731 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:18:00,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:00,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 102 states and 131 transitions. [2022-11-20 18:18:00,081 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 131 transitions. [2022-11-20 18:18:00,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 18:18:00,082 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:00,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:00,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:00,206 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 18:18:00,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:00,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 104 states and 135 transitions. [2022-11-20 18:18:00,300 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 135 transitions. [2022-11-20 18:18:00,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 18:18:00,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:00,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:00,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:00,422 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 18:18:00,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:00,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 105 states and 137 transitions. [2022-11-20 18:18:00,976 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 137 transitions. [2022-11-20 18:18:00,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 18:18:00,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:00,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:00,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:01,037 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 18:18:01,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:01,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 109 states and 144 transitions. [2022-11-20 18:18:01,584 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 144 transitions. [2022-11-20 18:18:01,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 18:18:01,585 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:01,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:01,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:01,646 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 18:18:01,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:01,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 110 states and 145 transitions. [2022-11-20 18:18:01,664 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 145 transitions. [2022-11-20 18:18:01,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 18:18:01,664 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:01,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:01,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:01,712 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-20 18:18:02,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:02,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 107 states and 140 transitions. [2022-11-20 18:18:02,034 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 140 transitions. [2022-11-20 18:18:02,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 18:18:02,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:02,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:02,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:02,109 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-11-20 18:18:02,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:02,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 107 states and 139 transitions. [2022-11-20 18:18:02,645 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 139 transitions. [2022-11-20 18:18:02,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 18:18:02,646 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:02,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:02,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:02,687 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 18:18:02,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:02,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 109 states and 142 transitions. [2022-11-20 18:18:02,711 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 142 transitions. [2022-11-20 18:18:02,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 18:18:02,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:02,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:02,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:03,114 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:18:04,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:04,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 122 states and 161 transitions. [2022-11-20 18:18:04,453 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 161 transitions. [2022-11-20 18:18:04,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 18:18:04,454 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:04,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:04,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:04,767 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:18:05,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:05,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 125 states and 168 transitions. [2022-11-20 18:18:05,218 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 168 transitions. [2022-11-20 18:18:05,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 18:18:05,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:05,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:05,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:05,398 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-20 18:18:05,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:05,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 126 states and 169 transitions. [2022-11-20 18:18:05,851 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 169 transitions. [2022-11-20 18:18:05,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 18:18:05,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:05,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:05,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:05,883 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-20 18:18:06,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:06,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 125 states and 168 transitions. [2022-11-20 18:18:06,073 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 168 transitions. [2022-11-20 18:18:06,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 18:18:06,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:06,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:06,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:06,107 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 18:18:06,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:06,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 127 states and 171 transitions. [2022-11-20 18:18:06,351 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 171 transitions. [2022-11-20 18:18:06,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 18:18:06,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:06,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:06,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:06,383 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 18:18:06,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:06,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 128 states and 171 transitions. [2022-11-20 18:18:06,626 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 171 transitions. [2022-11-20 18:18:06,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 18:18:06,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:06,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:06,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:06,691 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2022-11-20 18:18:07,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:07,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 128 states and 170 transitions. [2022-11-20 18:18:07,260 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 170 transitions. [2022-11-20 18:18:07,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 18:18:07,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:07,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:07,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:07,325 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-20 18:18:07,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:07,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 126 states and 166 transitions. [2022-11-20 18:18:07,344 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 166 transitions. [2022-11-20 18:18:07,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 18:18:07,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:07,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:07,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:07,805 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:18:09,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:09,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2022-11-20 18:18:09,266 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2022-11-20 18:18:09,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 18:18:09,269 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:09,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:09,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:09,692 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:18:10,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:10,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 142 states and 193 transitions. [2022-11-20 18:18:10,176 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 193 transitions. [2022-11-20 18:18:10,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 18:18:10,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:10,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:10,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:10,211 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 18:18:10,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:10,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 144 states and 196 transitions. [2022-11-20 18:18:10,235 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 196 transitions. [2022-11-20 18:18:10,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 18:18:10,235 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:10,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:10,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:10,401 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 18:18:11,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:11,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 153 states and 210 transitions. [2022-11-20 18:18:11,993 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 210 transitions. [2022-11-20 18:18:11,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 18:18:11,994 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:11,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:12,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:12,073 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 18:18:12,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:12,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 154 states and 210 transitions. [2022-11-20 18:18:12,328 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 210 transitions. [2022-11-20 18:18:12,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 18:18:12,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:12,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:12,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:12,389 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2022-11-20 18:18:13,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:13,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 154 states and 209 transitions. [2022-11-20 18:18:13,015 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 209 transitions. [2022-11-20 18:18:13,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-20 18:18:13,016 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:13,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:13,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:13,213 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 18:18:14,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:14,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 163 states and 226 transitions. [2022-11-20 18:18:14,745 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 226 transitions. [2022-11-20 18:18:14,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-20 18:18:14,746 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:14,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:14,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:14,803 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 18:18:15,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:15,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 164 states and 226 transitions. [2022-11-20 18:18:15,059 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 226 transitions. [2022-11-20 18:18:15,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-20 18:18:15,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:15,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:15,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:15,634 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:18:17,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:17,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 177 states and 248 transitions. [2022-11-20 18:18:17,221 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 248 transitions. [2022-11-20 18:18:17,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-20 18:18:17,221 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:17,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:17,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:17,696 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:18:18,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:18,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 180 states and 257 transitions. [2022-11-20 18:18:18,252 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 257 transitions. [2022-11-20 18:18:18,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-20 18:18:18,253 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:18,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:18,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:18,625 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:18:20,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:20,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 189 states and 266 transitions. [2022-11-20 18:18:20,367 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 266 transitions. [2022-11-20 18:18:20,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-20 18:18:20,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:20,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:20,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:20,431 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 18:18:20,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:20,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 191 states and 267 transitions. [2022-11-20 18:18:20,866 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 267 transitions. [2022-11-20 18:18:20,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-20 18:18:20,867 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:20,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:20,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:21,035 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2022-11-20 18:18:21,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:21,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 180 states and 251 transitions. [2022-11-20 18:18:21,818 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 251 transitions. [2022-11-20 18:18:21,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-20 18:18:21,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:21,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:21,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:21,886 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 18:18:22,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:22,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 182 states and 252 transitions. [2022-11-20 18:18:22,319 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 252 transitions. [2022-11-20 18:18:22,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-20 18:18:22,320 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:22,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:22,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:22,856 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:18:24,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:24,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 195 states and 274 transitions. [2022-11-20 18:18:24,781 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 274 transitions. [2022-11-20 18:18:24,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-20 18:18:24,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:24,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:24,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:25,309 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:18:25,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:25,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 198 states and 285 transitions. [2022-11-20 18:18:25,969 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 285 transitions. [2022-11-20 18:18:25,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-20 18:18:25,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:25,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:25,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:26,021 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-20 18:18:26,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:26,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 199 states and 286 transitions. [2022-11-20 18:18:26,889 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 286 transitions. [2022-11-20 18:18:26,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-20 18:18:26,889 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:26,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:26,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:27,197 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:18:29,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:29,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 208 states and 295 transitions. [2022-11-20 18:18:29,042 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 295 transitions. [2022-11-20 18:18:29,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-20 18:18:29,043 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:29,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:29,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:29,104 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-20 18:18:29,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:29,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 210 states and 296 transitions. [2022-11-20 18:18:29,619 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 296 transitions. [2022-11-20 18:18:29,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-20 18:18:29,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:29,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:29,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:29,891 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-20 18:18:30,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:30,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 212 states and 300 transitions. [2022-11-20 18:18:30,334 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 300 transitions. [2022-11-20 18:18:30,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-20 18:18:30,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:30,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:30,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:30,396 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-20 18:18:30,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:30,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 214 states and 301 transitions. [2022-11-20 18:18:30,858 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 301 transitions. [2022-11-20 18:18:30,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-20 18:18:30,859 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:30,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:30,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:31,577 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:18:33,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:33,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 227 states and 323 transitions. [2022-11-20 18:18:33,662 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 323 transitions. [2022-11-20 18:18:33,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-20 18:18:33,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:33,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:33,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:33,732 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2022-11-20 18:18:34,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:34,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 227 states and 321 transitions. [2022-11-20 18:18:34,642 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 321 transitions. [2022-11-20 18:18:34,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-20 18:18:34,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:34,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:34,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:35,318 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 187 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:18:36,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:36,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 230 states and 333 transitions. [2022-11-20 18:18:36,196 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 333 transitions. [2022-11-20 18:18:36,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-20 18:18:36,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:36,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:36,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:36,436 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-20 18:18:37,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:37,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 229 states and 329 transitions. [2022-11-20 18:18:37,651 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 329 transitions. [2022-11-20 18:18:37,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-20 18:18:37,651 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:37,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:37,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:37,878 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-20 18:18:38,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:38,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 231 states and 333 transitions. [2022-11-20 18:18:38,081 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 333 transitions. [2022-11-20 18:18:38,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-20 18:18:38,082 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:38,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:38,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:38,128 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-20 18:18:38,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:38,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 235 states and 338 transitions. [2022-11-20 18:18:38,772 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 338 transitions. [2022-11-20 18:18:38,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-20 18:18:38,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:38,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:38,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:39,098 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 2 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:18:41,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:41,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 244 states and 347 transitions. [2022-11-20 18:18:41,232 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 347 transitions. [2022-11-20 18:18:41,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-20 18:18:41,233 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:41,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:41,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:41,295 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-11-20 18:18:41,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:41,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 246 states and 348 transitions. [2022-11-20 18:18:41,928 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 348 transitions. [2022-11-20 18:18:41,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-20 18:18:41,929 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:41,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:41,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:42,652 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-20 18:18:46,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:46,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 255 states and 358 transitions. [2022-11-20 18:18:46,218 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 358 transitions. [2022-11-20 18:18:46,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-20 18:18:46,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:46,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:46,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:46,286 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-11-20 18:18:46,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:46,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 257 states and 359 transitions. [2022-11-20 18:18:46,845 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 359 transitions. [2022-11-20 18:18:46,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-20 18:18:46,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:46,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:46,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:47,590 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 94 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:18:50,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:50,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 270 states and 381 transitions. [2022-11-20 18:18:50,088 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 381 transitions. [2022-11-20 18:18:50,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-20 18:18:50,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:50,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:50,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:50,684 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:18:51,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:51,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 273 states and 394 transitions. [2022-11-20 18:18:51,564 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 394 transitions. [2022-11-20 18:18:51,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-20 18:18:51,564 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:51,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:51,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:51,630 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2022-11-20 18:18:52,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:52,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 273 states and 392 transitions. [2022-11-20 18:18:52,689 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 392 transitions. [2022-11-20 18:18:52,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-20 18:18:52,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:52,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:52,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:52,748 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-11-20 18:18:52,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:52,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 274 states and 393 transitions. [2022-11-20 18:18:52,766 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 393 transitions. [2022-11-20 18:18:52,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-20 18:18:52,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:52,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:52,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:52,820 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-11-20 18:18:54,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:54,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 276 states and 395 transitions. [2022-11-20 18:18:54,173 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 395 transitions. [2022-11-20 18:18:54,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-20 18:18:54,175 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:54,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:54,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:54,555 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 2 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:18:57,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:57,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 285 states and 404 transitions. [2022-11-20 18:18:57,045 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 404 transitions. [2022-11-20 18:18:57,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-20 18:18:57,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:57,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:57,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:57,115 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-11-20 18:18:57,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:57,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 287 states and 405 transitions. [2022-11-20 18:18:57,736 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 405 transitions. [2022-11-20 18:18:57,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-20 18:18:57,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:57,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:57,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:57,804 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-11-20 18:18:58,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:58,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 289 states and 406 transitions. [2022-11-20 18:18:58,413 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 406 transitions. [2022-11-20 18:18:58,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-20 18:18:58,414 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:58,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:58,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:59,270 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:19:01,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:01,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 302 states and 428 transitions. [2022-11-20 18:19:01,970 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 428 transitions. [2022-11-20 18:19:01,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-20 18:19:01,971 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:01,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:01,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:19:02,597 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 0 proven. 260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:19:03,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:03,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 305 states and 442 transitions. [2022-11-20 18:19:03,652 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 442 transitions. [2022-11-20 18:19:03,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-20 18:19:03,653 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:03,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:03,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:19:03,938 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-11-20 18:19:04,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:04,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 307 states and 446 transitions. [2022-11-20 18:19:04,534 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 446 transitions. [2022-11-20 18:19:04,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-20 18:19:04,535 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:04,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:04,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:19:04,855 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 18:19:07,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:07,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 318 states and 471 transitions. [2022-11-20 18:19:07,602 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 471 transitions. [2022-11-20 18:19:07,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-20 18:19:07,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:07,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:07,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:19:07,667 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-11-20 18:19:08,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:08,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 318 states and 469 transitions. [2022-11-20 18:19:08,884 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 469 transitions. [2022-11-20 18:19:08,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-20 18:19:08,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:08,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:08,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:19:08,927 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-20 18:19:10,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:10,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 324 states and 480 transitions. [2022-11-20 18:19:10,856 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 480 transitions. [2022-11-20 18:19:10,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-20 18:19:10,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:10,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:10,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:19:11,171 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-11-20 18:19:12,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:12,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 319 states and 470 transitions. [2022-11-20 18:19:12,172 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 470 transitions. [2022-11-20 18:19:12,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-20 18:19:12,173 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:12,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:12,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:19:12,597 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 2 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:19:15,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:15,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 328 states and 480 transitions. [2022-11-20 18:19:15,457 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 480 transitions. [2022-11-20 18:19:15,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-20 18:19:15,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:15,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:15,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:19:15,528 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2022-11-20 18:19:16,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:16,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 330 states and 481 transitions. [2022-11-20 18:19:16,251 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 481 transitions. [2022-11-20 18:19:16,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-20 18:19:16,252 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:16,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:16,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:19:16,284 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-20 18:19:16,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:16,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 331 states and 483 transitions. [2022-11-20 18:19:16,611 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 483 transitions. [2022-11-20 18:19:16,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-20 18:19:16,611 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:16,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:16,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:19:16,679 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2022-11-20 18:19:17,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:17,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 333 states and 484 transitions. [2022-11-20 18:19:17,375 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 484 transitions. [2022-11-20 18:19:17,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-20 18:19:17,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:17,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:17,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:19:18,354 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 147 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:19:21,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:21,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 346 states and 507 transitions. [2022-11-20 18:19:21,373 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 507 transitions. [2022-11-20 18:19:21,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-20 18:19:21,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:21,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:21,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:19:22,273 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:19:23,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:23,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 349 states and 522 transitions. [2022-11-20 18:19:23,457 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 522 transitions. [2022-11-20 18:19:23,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-20 18:19:23,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:23,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:23,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:19:23,517 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-20 18:19:23,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:23,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 348 states and 521 transitions. [2022-11-20 18:19:23,939 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 521 transitions. [2022-11-20 18:19:23,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-20 18:19:23,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:23,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:23,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:19:24,601 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-20 18:19:28,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:28,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 357 states and 531 transitions. [2022-11-20 18:19:28,942 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 531 transitions. [2022-11-20 18:19:28,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-20 18:19:28,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:28,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:28,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:19:29,136 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 15 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:19:31,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:31,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 365 states and 538 transitions. [2022-11-20 18:19:31,044 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 538 transitions. [2022-11-20 18:19:31,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-20 18:19:31,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:31,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:31,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:19:31,110 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-20 18:19:32,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:32,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 368 states and 540 transitions. [2022-11-20 18:19:32,261 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 540 transitions. [2022-11-20 18:19:32,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-20 18:19:32,262 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:32,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:32,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:19:32,300 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-20 18:19:32,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:32,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 370 states and 542 transitions. [2022-11-20 18:19:32,321 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 542 transitions. [2022-11-20 18:19:32,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-20 18:19:32,322 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:32,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:32,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:19:32,376 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-11-20 18:19:33,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:33,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 370 states and 541 transitions. [2022-11-20 18:19:33,732 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 541 transitions. [2022-11-20 18:19:33,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-20 18:19:33,733 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:33,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:33,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:19:34,229 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 2 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:19:37,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:37,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 379 states and 551 transitions. [2022-11-20 18:19:37,325 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 551 transitions. [2022-11-20 18:19:37,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-20 18:19:37,326 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:37,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:37,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:19:37,384 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2022-11-20 18:19:38,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:38,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 381 states and 552 transitions. [2022-11-20 18:19:38,194 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 552 transitions. [2022-11-20 18:19:38,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-11-20 18:19:38,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:38,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:38,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:19:38,626 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-20 18:19:39,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:39,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 385 states and 557 transitions. [2022-11-20 18:19:39,787 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 557 transitions. [2022-11-20 18:19:39,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-11-20 18:19:39,788 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:39,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:39,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:19:39,869 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2022-11-20 18:19:40,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:40,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 387 states and 558 transitions. [2022-11-20 18:19:40,700 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 558 transitions. [2022-11-20 18:19:40,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-11-20 18:19:40,701 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:40,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:40,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:19:41,649 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 0 proven. 178 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:19:45,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:45,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 400 states and 581 transitions. [2022-11-20 18:19:45,228 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 581 transitions. [2022-11-20 18:19:45,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-11-20 18:19:45,229 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:45,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:45,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:19:46,015 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:19:47,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:47,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 403 states and 597 transitions. [2022-11-20 18:19:47,305 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 597 transitions. [2022-11-20 18:19:47,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-11-20 18:19:47,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:47,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:47,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:19:47,350 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-20 18:19:47,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:47,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 404 states and 598 transitions. [2022-11-20 18:19:47,365 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 598 transitions. [2022-11-20 18:19:47,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-11-20 18:19:47,366 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:47,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:47,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:19:47,512 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 15 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:19:49,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:49,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 412 states and 605 transitions. [2022-11-20 18:19:49,838 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 605 transitions. [2022-11-20 18:19:49,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-11-20 18:19:49,839 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:49,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:49,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:19:49,898 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-11-20 18:19:51,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:51,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 415 states and 607 transitions. [2022-11-20 18:19:51,106 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 607 transitions. [2022-11-20 18:19:51,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-20 18:19:51,106 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:51,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:51,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:19:51,577 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 2 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:19:54,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:54,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 424 states and 617 transitions. [2022-11-20 18:19:54,981 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 617 transitions. [2022-11-20 18:19:54,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-20 18:19:54,982 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:54,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:55,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:19:55,053 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2022-11-20 18:19:56,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:56,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 426 states and 618 transitions. [2022-11-20 18:19:56,038 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 618 transitions. [2022-11-20 18:19:56,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-20 18:19:56,039 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:56,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:56,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:19:56,379 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-11-20 18:19:57,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:57,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 429 states and 620 transitions. [2022-11-20 18:19:57,431 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 620 transitions. [2022-11-20 18:19:57,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-20 18:19:57,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:57,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:57,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:19:57,503 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2022-11-20 18:19:58,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:58,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 431 states and 621 transitions. [2022-11-20 18:19:58,376 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 621 transitions. [2022-11-20 18:19:58,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-20 18:19:58,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:58,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:58,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:19:59,488 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 212 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:20:03,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:03,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 444 states and 644 transitions. [2022-11-20 18:20:03,296 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 644 transitions. [2022-11-20 18:20:03,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-20 18:20:03,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:03,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:03,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:04,161 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 0 proven. 392 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:20:05,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:05,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 447 states and 661 transitions. [2022-11-20 18:20:05,612 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 661 transitions. [2022-11-20 18:20:05,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-20 18:20:05,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:05,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:05,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:05,798 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 15 proven. 59 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:20:08,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:08,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 455 states and 668 transitions. [2022-11-20 18:20:08,272 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 668 transitions. [2022-11-20 18:20:08,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-20 18:20:08,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:08,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:08,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:08,386 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-11-20 18:20:09,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:09,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 458 states and 670 transitions. [2022-11-20 18:20:09,757 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 670 transitions. [2022-11-20 18:20:09,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-20 18:20:09,758 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:09,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:09,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:09,848 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2022-11-20 18:20:10,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:10,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 464 states and 674 transitions. [2022-11-20 18:20:10,764 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 674 transitions. [2022-11-20 18:20:10,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-20 18:20:10,765 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:10,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:10,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:11,139 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-11-20 18:20:12,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:12,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 467 states and 680 transitions. [2022-11-20 18:20:12,436 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 680 transitions. [2022-11-20 18:20:12,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-20 18:20:12,437 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:12,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:12,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:12,931 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 2 proven. 130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:20:16,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:16,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 476 states and 690 transitions. [2022-11-20 18:20:16,717 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 690 transitions. [2022-11-20 18:20:16,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-20 18:20:16,718 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:16,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:16,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:16,781 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2022-11-20 18:20:17,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:17,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 478 states and 691 transitions. [2022-11-20 18:20:17,751 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 691 transitions. [2022-11-20 18:20:17,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-20 18:20:17,751 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:17,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:17,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:17,811 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2022-11-20 18:20:19,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:19,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 478 states and 689 transitions. [2022-11-20 18:20:19,470 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 689 transitions. [2022-11-20 18:20:19,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-20 18:20:19,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:19,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:19,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:19,844 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-11-20 18:20:22,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:22,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 489 states and 703 transitions. [2022-11-20 18:20:22,529 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 703 transitions. [2022-11-20 18:20:22,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-20 18:20:22,529 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:22,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:22,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:22,614 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2022-11-20 18:20:23,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:23,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 491 states and 704 transitions. [2022-11-20 18:20:23,688 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 704 transitions. [2022-11-20 18:20:23,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-20 18:20:23,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:23,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:23,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:24,920 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 0 proven. 249 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:20:28,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:28,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 504 states and 727 transitions. [2022-11-20 18:20:28,960 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 727 transitions. [2022-11-20 18:20:28,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-20 18:20:28,960 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:28,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:28,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:30,069 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:20:31,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:31,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 507 states and 745 transitions. [2022-11-20 18:20:31,627 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 745 transitions. [2022-11-20 18:20:31,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-20 18:20:31,627 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:31,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:31,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:31,662 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-11-20 18:20:31,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:31,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 738 states to 502 states and 738 transitions. [2022-11-20 18:20:31,676 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 738 transitions. [2022-11-20 18:20:31,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-20 18:20:31,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:31,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:31,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:32,081 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 33 proven. 33 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 18:20:33,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:33,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 503 states and 739 transitions. [2022-11-20 18:20:33,196 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 739 transitions. [2022-11-20 18:20:33,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-20 18:20:33,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:33,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:33,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:33,329 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 15 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:20:35,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:35,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 511 states and 746 transitions. [2022-11-20 18:20:35,851 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 746 transitions. [2022-11-20 18:20:35,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-20 18:20:35,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:35,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:35,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:35,921 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2022-11-20 18:20:37,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:37,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 514 states and 748 transitions. [2022-11-20 18:20:37,532 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 748 transitions. [2022-11-20 18:20:37,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-20 18:20:37,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:37,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:37,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:37,997 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-11-20 18:20:40,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:40,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 517 states and 754 transitions. [2022-11-20 18:20:40,972 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 754 transitions. [2022-11-20 18:20:40,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-20 18:20:40,973 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:40,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:40,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:41,573 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 2 proven. 158 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:20:45,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:45,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 526 states and 764 transitions. [2022-11-20 18:20:45,776 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 764 transitions. [2022-11-20 18:20:45,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-20 18:20:45,777 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:45,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:45,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:45,844 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2022-11-20 18:20:46,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:46,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 528 states and 765 transitions. [2022-11-20 18:20:46,899 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 765 transitions. [2022-11-20 18:20:46,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-20 18:20:46,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:46,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:46,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:47,309 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-20 18:20:50,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:50,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 539 states and 799 transitions. [2022-11-20 18:20:50,718 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 799 transitions. [2022-11-20 18:20:50,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-20 18:20:50,718 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:50,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:50,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:50,811 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2022-11-20 18:20:51,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:51,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 541 states and 800 transitions. [2022-11-20 18:20:51,848 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 800 transitions. [2022-11-20 18:20:51,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-20 18:20:51,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:51,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:51,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:53,276 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 289 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:20:57,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:57,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 554 states and 824 transitions. [2022-11-20 18:20:57,686 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 824 transitions. [2022-11-20 18:20:57,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-20 18:20:57,687 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:57,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:57,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:58,632 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 0 proven. 495 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:21:00,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:00,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 843 states to 557 states and 843 transitions. [2022-11-20 18:21:00,354 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 843 transitions. [2022-11-20 18:21:00,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-11-20 18:21:00,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:00,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:00,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:00,998 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-11-20 18:21:03,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:03,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 563 states and 852 transitions. [2022-11-20 18:21:03,585 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 852 transitions. [2022-11-20 18:21:03,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-11-20 18:21:03,586 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:03,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:03,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:03,810 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 15 proven. 94 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:21:06,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:06,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 859 states to 571 states and 859 transitions. [2022-11-20 18:21:06,835 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 859 transitions. [2022-11-20 18:21:06,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-11-20 18:21:06,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:06,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:06,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:06,934 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2022-11-20 18:21:08,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:08,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 574 states and 861 transitions. [2022-11-20 18:21:08,610 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 861 transitions. [2022-11-20 18:21:08,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-11-20 18:21:08,611 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:08,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:08,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:09,079 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-11-20 18:21:11,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:11,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 870 states to 581 states and 870 transitions. [2022-11-20 18:21:11,472 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 870 transitions. [2022-11-20 18:21:11,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-11-20 18:21:11,472 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:11,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:11,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:12,686 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 18 proven. 19 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-11-20 18:21:18,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:18,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 591 states and 881 transitions. [2022-11-20 18:21:18,764 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 881 transitions. [2022-11-20 18:21:18,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-11-20 18:21:18,765 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:18,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:18,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:19,356 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 2 proven. 189 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:21:23,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:23,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 892 states to 600 states and 892 transitions. [2022-11-20 18:21:23,835 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 892 transitions. [2022-11-20 18:21:23,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-11-20 18:21:23,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:23,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:23,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:23,929 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-11-20 18:21:25,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:25,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 602 states and 893 transitions. [2022-11-20 18:21:25,295 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 893 transitions. [2022-11-20 18:21:25,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-20 18:21:25,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:25,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:25,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:25,534 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 39 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:21:28,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:28,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 610 states and 900 transitions. [2022-11-20 18:21:28,448 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 900 transitions. [2022-11-20 18:21:28,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-20 18:21:28,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:28,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:28,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:28,518 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-11-20 18:21:30,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:30,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 613 states and 902 transitions. [2022-11-20 18:21:30,289 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 902 transitions. [2022-11-20 18:21:30,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-20 18:21:30,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:30,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:30,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:30,363 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-11-20 18:21:31,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:31,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 615 states and 903 transitions. [2022-11-20 18:21:31,503 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 903 transitions. [2022-11-20 18:21:31,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-20 18:21:31,504 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:31,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:31,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:32,881 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 0 proven. 332 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:21:37,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:37,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 628 states and 927 transitions. [2022-11-20 18:21:37,950 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 927 transitions. [2022-11-20 18:21:37,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-20 18:21:37,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:37,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:37,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:39,115 INFO L134 CoverageAnalysis]: Checked inductivity of 551 backedges. 0 proven. 551 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:21:41,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:41,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 631 states and 947 transitions. [2022-11-20 18:21:41,206 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 947 transitions. [2022-11-20 18:21:41,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-11-20 18:21:41,207 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:41,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:41,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:41,846 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-11-20 18:21:45,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:45,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 953 states to 636 states and 953 transitions. [2022-11-20 18:21:45,222 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 953 transitions. [2022-11-20 18:21:45,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-11-20 18:21:45,223 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:45,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:45,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:45,503 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 15 proven. 116 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:21:48,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:48,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 960 states to 644 states and 960 transitions. [2022-11-20 18:21:48,724 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 960 transitions. [2022-11-20 18:21:48,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-11-20 18:21:48,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:48,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:48,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:48,807 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2022-11-20 18:21:50,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:50,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 647 states and 962 transitions. [2022-11-20 18:21:50,556 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 962 transitions. [2022-11-20 18:21:50,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-11-20 18:21:50,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:50,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:50,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:51,350 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 2 proven. 223 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:21:56,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:56,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 973 states to 656 states and 973 transitions. [2022-11-20 18:21:56,307 INFO L276 IsEmpty]: Start isEmpty. Operand 656 states and 973 transitions. [2022-11-20 18:21:56,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-11-20 18:21:56,307 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:56,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:56,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:56,373 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2022-11-20 18:21:57,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:57,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 974 states to 658 states and 974 transitions. [2022-11-20 18:21:57,668 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 974 transitions. [2022-11-20 18:21:57,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-20 18:21:57,669 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:57,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:57,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:58,156 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-20 18:22:00,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:22:00,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 979 states to 661 states and 979 transitions. [2022-11-20 18:22:00,135 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 979 transitions. [2022-11-20 18:22:00,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-20 18:22:00,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:22:00,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:22:00,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:22:00,277 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 39 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:22:03,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:22:03,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 986 states to 669 states and 986 transitions. [2022-11-20 18:22:03,450 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 986 transitions. [2022-11-20 18:22:03,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-20 18:22:03,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:22:03,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:22:03,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:22:03,550 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-11-20 18:22:05,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:22:05,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 988 states to 672 states and 988 transitions. [2022-11-20 18:22:05,444 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 988 transitions. [2022-11-20 18:22:05,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-20 18:22:05,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:22:05,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:22:05,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:22:05,519 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2022-11-20 18:22:06,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:22:06,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 989 states to 674 states and 989 transitions. [2022-11-20 18:22:06,767 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 989 transitions. [2022-11-20 18:22:06,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-20 18:22:06,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:22:06,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:22:06,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:22:08,398 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:22:14,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:22:14,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1013 states to 687 states and 1013 transitions. [2022-11-20 18:22:14,059 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 1013 transitions. [2022-11-20 18:22:14,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-20 18:22:14,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:22:14,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:22:14,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:22:15,429 INFO L134 CoverageAnalysis]: Checked inductivity of 610 backedges. 0 proven. 610 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:22:17,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:22:17,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 690 states and 1034 transitions. [2022-11-20 18:22:17,793 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 1034 transitions. [2022-11-20 18:22:17,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-20 18:22:17,794 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:22:17,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:22:17,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:22:18,117 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 15 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:22:21,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:22:21,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1041 states to 698 states and 1041 transitions. [2022-11-20 18:22:21,765 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 1041 transitions. [2022-11-20 18:22:21,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-20 18:22:21,765 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:22:21,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:22:21,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:22:21,843 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2022-11-20 18:22:23,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:22:23,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1043 states to 701 states and 1043 transitions. [2022-11-20 18:22:23,753 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 1043 transitions. [2022-11-20 18:22:23,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-20 18:22:23,753 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:22:23,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:22:23,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:22:23,928 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 11 proven. 13 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-11-20 18:22:24,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:22:24,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1043 states to 702 states and 1043 transitions. [2022-11-20 18:22:24,073 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 1043 transitions. [2022-11-20 18:22:24,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-20 18:22:24,073 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:22:24,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:22:24,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:22:25,030 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 2 proven. 260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:22:30,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:22:30,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1054 states to 711 states and 1054 transitions. [2022-11-20 18:22:30,443 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 1054 transitions. [2022-11-20 18:22:30,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-20 18:22:30,443 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:22:30,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:22:30,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:22:30,533 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2022-11-20 18:22:31,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:22:32,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 713 states and 1055 transitions. [2022-11-20 18:22:32,009 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 1055 transitions. [2022-11-20 18:22:32,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-20 18:22:32,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:22:32,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:22:32,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:22:32,577 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-20 18:22:35,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:22:35,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1060 states to 716 states and 1060 transitions. [2022-11-20 18:22:35,266 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 1060 transitions. [2022-11-20 18:22:35,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-20 18:22:35,267 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:22:35,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:22:35,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:22:35,459 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 39 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:22:39,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:22:39,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1067 states to 724 states and 1067 transitions. [2022-11-20 18:22:39,039 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 1067 transitions. [2022-11-20 18:22:39,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-20 18:22:39,040 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:22:39,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:22:39,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:22:39,132 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2022-11-20 18:22:41,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:22:41,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1069 states to 727 states and 1069 transitions. [2022-11-20 18:22:41,166 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 1069 transitions. [2022-11-20 18:22:41,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-20 18:22:41,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:22:41,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:22:41,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:22:41,262 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2022-11-20 18:22:41,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:22:41,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1070 states to 728 states and 1070 transitions. [2022-11-20 18:22:41,812 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 1070 transitions. [2022-11-20 18:22:41,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-20 18:22:41,812 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:22:41,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:22:41,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:22:41,888 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2022-11-20 18:22:43,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:22:43,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1071 states to 730 states and 1071 transitions. [2022-11-20 18:22:43,389 INFO L276 IsEmpty]: Start isEmpty. Operand 730 states and 1071 transitions. [2022-11-20 18:22:43,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-20 18:22:43,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:22:43,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:22:43,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:22:45,097 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 0 proven. 427 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:22:51,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:22:51,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1095 states to 743 states and 1095 transitions. [2022-11-20 18:22:51,375 INFO L276 IsEmpty]: Start isEmpty. Operand 743 states and 1095 transitions. [2022-11-20 18:22:51,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-20 18:22:51,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:22:51,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:22:51,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:22:52,754 INFO L134 CoverageAnalysis]: Checked inductivity of 672 backedges. 0 proven. 672 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:22:55,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:22:55,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1117 states to 746 states and 1117 transitions. [2022-11-20 18:22:55,152 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 1117 transitions. [2022-11-20 18:22:55,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-11-20 18:22:55,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:22:55,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:22:55,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:22:55,388 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 15 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:22:59,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:22:59,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 754 states and 1124 transitions. [2022-11-20 18:22:59,128 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 1124 transitions. [2022-11-20 18:22:59,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-11-20 18:22:59,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:22:59,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:22:59,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:22:59,206 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2022-11-20 18:23:01,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:23:01,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1126 states to 757 states and 1126 transitions. [2022-11-20 18:23:01,378 INFO L276 IsEmpty]: Start isEmpty. Operand 757 states and 1126 transitions. [2022-11-20 18:23:01,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-11-20 18:23:01,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:23:01,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:23:01,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:23:02,202 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 2 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:23:08,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:23:08,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1137 states to 766 states and 1137 transitions. [2022-11-20 18:23:08,002 INFO L276 IsEmpty]: Start isEmpty. Operand 766 states and 1137 transitions. [2022-11-20 18:23:08,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-11-20 18:23:08,003 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:23:08,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:23:08,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:23:08,077 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2022-11-20 18:23:09,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:23:09,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1138 states to 768 states and 1138 transitions. [2022-11-20 18:23:09,703 INFO L276 IsEmpty]: Start isEmpty. Operand 768 states and 1138 transitions. [2022-11-20 18:23:09,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-11-20 18:23:09,704 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:23:09,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:23:09,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:23:10,876 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 18 proven. 19 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-11-20 18:23:18,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:23:18,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1149 states to 778 states and 1149 transitions. [2022-11-20 18:23:18,740 INFO L276 IsEmpty]: Start isEmpty. Operand 778 states and 1149 transitions. [2022-11-20 18:23:18,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-11-20 18:23:18,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:23:18,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:23:18,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:23:18,940 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 39 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:23:23,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:23:23,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 786 states and 1156 transitions. [2022-11-20 18:23:23,014 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states and 1156 transitions. [2022-11-20 18:23:23,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-11-20 18:23:23,014 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:23:23,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:23:23,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:23:23,096 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2022-11-20 18:23:25,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:23:25,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1158 states to 789 states and 1158 transitions. [2022-11-20 18:23:25,147 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1158 transitions. [2022-11-20 18:23:25,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-11-20 18:23:25,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:23:25,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:23:25,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:23:25,229 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2022-11-20 18:23:26,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:23:26,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1159 states to 791 states and 1159 transitions. [2022-11-20 18:23:26,677 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 1159 transitions. [2022-11-20 18:23:26,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-11-20 18:23:26,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:23:26,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:23:26,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:23:28,623 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 0 proven. 479 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:23:34,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:23:34,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 804 states and 1183 transitions. [2022-11-20 18:23:34,934 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 1183 transitions. [2022-11-20 18:23:34,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-11-20 18:23:34,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:23:34,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:23:34,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:23:36,418 INFO L134 CoverageAnalysis]: Checked inductivity of 737 backedges. 0 proven. 737 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:23:38,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:23:38,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1206 states to 807 states and 1206 transitions. [2022-11-20 18:23:38,941 INFO L276 IsEmpty]: Start isEmpty. Operand 807 states and 1206 transitions. [2022-11-20 18:23:38,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-11-20 18:23:38,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:23:38,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:23:38,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:23:39,184 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 15 proven. 200 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:23:43,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:23:43,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1213 states to 815 states and 1213 transitions. [2022-11-20 18:23:43,298 INFO L276 IsEmpty]: Start isEmpty. Operand 815 states and 1213 transitions. [2022-11-20 18:23:43,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-11-20 18:23:43,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:23:43,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:23:43,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:23:43,385 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-11-20 18:23:45,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:23:45,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 818 states and 1215 transitions. [2022-11-20 18:23:45,547 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 1215 transitions. [2022-11-20 18:23:45,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-11-20 18:23:45,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:23:45,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:23:45,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:23:46,132 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 106 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-11-20 18:23:52,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:23:52,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1259 states to 829 states and 1259 transitions. [2022-11-20 18:23:52,587 INFO L276 IsEmpty]: Start isEmpty. Operand 829 states and 1259 transitions. [2022-11-20 18:23:52,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-11-20 18:23:52,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:23:52,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:23:52,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:23:53,581 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 2 proven. 343 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:24:00,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:24:00,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1271 states to 838 states and 1271 transitions. [2022-11-20 18:24:00,032 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1271 transitions. [2022-11-20 18:24:00,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-11-20 18:24:00,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:24:00,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:24:00,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:24:00,151 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2022-11-20 18:24:01,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:24:01,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1272 states to 840 states and 1272 transitions. [2022-11-20 18:24:01,967 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 1272 transitions. [2022-11-20 18:24:01,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-20 18:24:01,968 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:24:01,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:24:01,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:24:02,162 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 39 proven. 127 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:24:06,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:24:06,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 848 states and 1279 transitions. [2022-11-20 18:24:06,252 INFO L276 IsEmpty]: Start isEmpty. Operand 848 states and 1279 transitions. [2022-11-20 18:24:06,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-20 18:24:06,253 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:24:06,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:24:06,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:24:06,358 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2022-11-20 18:24:08,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:24:08,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1281 states to 851 states and 1281 transitions. [2022-11-20 18:24:08,713 INFO L276 IsEmpty]: Start isEmpty. Operand 851 states and 1281 transitions. [2022-11-20 18:24:08,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-20 18:24:08,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:24:08,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:24:08,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:24:08,830 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2022-11-20 18:24:10,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:24:10,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1282 states to 853 states and 1282 transitions. [2022-11-20 18:24:10,435 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 1282 transitions. [2022-11-20 18:24:10,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-20 18:24:10,436 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:24:10,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:24:10,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:24:12,482 INFO L134 CoverageAnalysis]: Checked inductivity of 534 backedges. 0 proven. 534 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:24:19,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:24:19,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1307 states to 866 states and 1307 transitions. [2022-11-20 18:24:19,479 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 1307 transitions. [2022-11-20 18:24:19,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-20 18:24:19,480 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:24:19,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:24:19,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:24:20,929 INFO L134 CoverageAnalysis]: Checked inductivity of 805 backedges. 0 proven. 805 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:24:23,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:24:23,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1331 states to 869 states and 1331 transitions. [2022-11-20 18:24:23,768 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1331 transitions. [2022-11-20 18:24:23,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-11-20 18:24:23,769 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:24:23,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:24:23,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:24:24,602 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2022-11-20 18:24:27,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:24:27,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1338 states to 872 states and 1338 transitions. [2022-11-20 18:24:27,938 INFO L276 IsEmpty]: Start isEmpty. Operand 872 states and 1338 transitions. [2022-11-20 18:24:27,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-11-20 18:24:27,939 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:24:27,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:24:27,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:24:28,365 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 15 proven. 234 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:24:32,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:24:32,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1345 states to 880 states and 1345 transitions. [2022-11-20 18:24:32,615 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 1345 transitions. [2022-11-20 18:24:32,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-11-20 18:24:32,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:24:32,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:24:32,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:24:32,701 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2022-11-20 18:24:35,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:24:35,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1347 states to 883 states and 1347 transitions. [2022-11-20 18:24:35,055 INFO L276 IsEmpty]: Start isEmpty. Operand 883 states and 1347 transitions. [2022-11-20 18:24:35,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-20 18:24:35,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:24:35,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:24:35,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:24:35,812 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-20 18:24:39,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:24:39,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1365 states to 894 states and 1365 transitions. [2022-11-20 18:24:39,893 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1365 transitions. [2022-11-20 18:24:39,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-20 18:24:39,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:24:39,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:24:39,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:24:40,127 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 74 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:24:44,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:24:44,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1372 states to 902 states and 1372 transitions. [2022-11-20 18:24:44,357 INFO L276 IsEmpty]: Start isEmpty. Operand 902 states and 1372 transitions. [2022-11-20 18:24:44,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-20 18:24:44,358 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:24:44,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:24:44,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:24:44,451 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 106 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-11-20 18:24:46,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:24:46,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1374 states to 905 states and 1374 transitions. [2022-11-20 18:24:46,892 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1374 transitions. [2022-11-20 18:24:46,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-20 18:24:46,893 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:24:46,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:24:46,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:24:47,793 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 2 proven. 389 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:24:54,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:24:54,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1386 states to 914 states and 1386 transitions. [2022-11-20 18:24:54,572 INFO L276 IsEmpty]: Start isEmpty. Operand 914 states and 1386 transitions. [2022-11-20 18:24:54,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-20 18:24:54,572 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:24:54,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:24:54,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:24:54,653 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 425 trivial. 0 not checked. [2022-11-20 18:24:56,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:24:56,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1387 states to 916 states and 1387 transitions. [2022-11-20 18:24:56,387 INFO L276 IsEmpty]: Start isEmpty. Operand 916 states and 1387 transitions. [2022-11-20 18:24:56,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-11-20 18:24:56,387 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:24:56,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:24:56,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:24:56,666 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 39 proven. 152 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:25:01,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:25:01,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1394 states to 924 states and 1394 transitions. [2022-11-20 18:25:01,050 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1394 transitions. [2022-11-20 18:25:01,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-11-20 18:25:01,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:25:01,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:25:01,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:25:01,153 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2022-11-20 18:25:03,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:25:03,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1396 states to 927 states and 1396 transitions. [2022-11-20 18:25:03,526 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 1396 transitions. [2022-11-20 18:25:03,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-11-20 18:25:03,527 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:25:03,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:25:03,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:25:03,611 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 425 trivial. 0 not checked. [2022-11-20 18:25:05,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:25:05,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1397 states to 929 states and 1397 transitions. [2022-11-20 18:25:05,291 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 1397 transitions. [2022-11-20 18:25:05,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-11-20 18:25:05,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:25:05,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:25:05,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:25:07,505 INFO L134 CoverageAnalysis]: Checked inductivity of 592 backedges. 0 proven. 592 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:25:14,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:25:14,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1422 states to 942 states and 1422 transitions. [2022-11-20 18:25:14,801 INFO L276 IsEmpty]: Start isEmpty. Operand 942 states and 1422 transitions. [2022-11-20 18:25:14,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-11-20 18:25:14,802 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:25:14,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:25:14,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:25:16,471 INFO L134 CoverageAnalysis]: Checked inductivity of 876 backedges. 0 proven. 876 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:25:19,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:25:19,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1447 states to 945 states and 1447 transitions. [2022-11-20 18:25:19,385 INFO L276 IsEmpty]: Start isEmpty. Operand 945 states and 1447 transitions. [2022-11-20 18:25:19,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-20 18:25:19,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:25:19,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:25:19,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:25:21,423 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 29 proven. 32 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-11-20 18:25:32,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:25:32,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1461 states to 958 states and 1461 transitions. [2022-11-20 18:25:32,495 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1461 transitions. [2022-11-20 18:25:32,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-20 18:25:32,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:25:32,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:25:32,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:25:32,770 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 15 proven. 271 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:25:37,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:25:37,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1468 states to 966 states and 1468 transitions. [2022-11-20 18:25:37,487 INFO L276 IsEmpty]: Start isEmpty. Operand 966 states and 1468 transitions. [2022-11-20 18:25:37,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-20 18:25:37,488 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:25:37,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:25:37,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:25:37,577 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2022-11-20 18:25:40,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:25:40,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1470 states to 969 states and 1470 transitions. [2022-11-20 18:25:40,136 INFO L276 IsEmpty]: Start isEmpty. Operand 969 states and 1470 transitions. [2022-11-20 18:25:40,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-11-20 18:25:40,136 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:25:40,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:25:40,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:25:40,312 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 74 proven. 97 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:25:44,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:25:44,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1477 states to 977 states and 1477 transitions. [2022-11-20 18:25:44,916 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1477 transitions. [2022-11-20 18:25:44,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-11-20 18:25:44,917 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:25:44,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:25:44,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:25:45,017 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 106 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2022-11-20 18:25:47,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:25:47,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1479 states to 980 states and 1479 transitions. [2022-11-20 18:25:47,562 INFO L276 IsEmpty]: Start isEmpty. Operand 980 states and 1479 transitions. [2022-11-20 18:25:47,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-11-20 18:25:47,562 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:25:47,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:25:47,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:25:48,717 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 2 proven. 438 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:25:55,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:25:55,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1491 states to 989 states and 1491 transitions. [2022-11-20 18:25:55,983 INFO L276 IsEmpty]: Start isEmpty. Operand 989 states and 1491 transitions. [2022-11-20 18:25:55,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-11-20 18:25:55,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:25:55,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:25:56,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:25:56,073 INFO L134 CoverageAnalysis]: Checked inductivity of 487 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 477 trivial. 0 not checked. [2022-11-20 18:25:58,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:25:58,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1492 states to 991 states and 1492 transitions. [2022-11-20 18:25:58,136 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 1492 transitions. [2022-11-20 18:25:58,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-11-20 18:25:58,137 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:25:58,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:25:58,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:25:58,208 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-11-20 18:25:58,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:25:58,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1493 states to 993 states and 1493 transitions. [2022-11-20 18:25:58,244 INFO L276 IsEmpty]: Start isEmpty. Operand 993 states and 1493 transitions. [2022-11-20 18:25:58,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-11-20 18:25:58,245 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:25:58,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:25:58,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:25:58,535 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 39 proven. 180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:26:03,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:26:03,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1500 states to 1001 states and 1500 transitions. [2022-11-20 18:26:03,362 INFO L276 IsEmpty]: Start isEmpty. Operand 1001 states and 1500 transitions. [2022-11-20 18:26:03,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-11-20 18:26:03,363 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:26:03,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:26:03,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:26:03,471 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2022-11-20 18:26:06,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:26:06,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1502 states to 1004 states and 1502 transitions. [2022-11-20 18:26:06,220 INFO L276 IsEmpty]: Start isEmpty. Operand 1004 states and 1502 transitions. [2022-11-20 18:26:06,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-11-20 18:26:06,221 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:26:06,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:26:06,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:26:06,307 INFO L134 CoverageAnalysis]: Checked inductivity of 488 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 477 trivial. 0 not checked. [2022-11-20 18:26:08,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:26:08,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1503 states to 1006 states and 1503 transitions. [2022-11-20 18:26:08,163 INFO L276 IsEmpty]: Start isEmpty. Operand 1006 states and 1503 transitions. [2022-11-20 18:26:08,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-11-20 18:26:08,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:26:08,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:26:08,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:26:10,604 INFO L134 CoverageAnalysis]: Checked inductivity of 653 backedges. 0 proven. 653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:26:18,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:26:18,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1528 states to 1019 states and 1528 transitions. [2022-11-20 18:26:18,448 INFO L276 IsEmpty]: Start isEmpty. Operand 1019 states and 1528 transitions. [2022-11-20 18:26:18,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-11-20 18:26:18,449 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:26:18,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:26:18,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:26:20,258 INFO L134 CoverageAnalysis]: Checked inductivity of 950 backedges. 0 proven. 950 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:26:23,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:26:23,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1554 states to 1022 states and 1554 transitions. [2022-11-20 18:26:23,405 INFO L276 IsEmpty]: Start isEmpty. Operand 1022 states and 1554 transitions. [2022-11-20 18:26:23,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-20 18:26:23,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:26:23,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:26:23,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:26:23,480 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-11-20 18:26:23,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:26:23,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1555 states to 1024 states and 1555 transitions. [2022-11-20 18:26:23,513 INFO L276 IsEmpty]: Start isEmpty. Operand 1024 states and 1555 transitions. [2022-11-20 18:26:23,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-20 18:26:23,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:26:23,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:26:23,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:26:23,809 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 15 proven. 311 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:26:28,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:26:28,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1562 states to 1032 states and 1562 transitions. [2022-11-20 18:26:28,664 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1562 transitions. [2022-11-20 18:26:28,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-20 18:26:28,664 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:26:28,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:26:28,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:26:28,919 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2022-11-20 18:26:31,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:26:31,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1564 states to 1035 states and 1564 transitions. [2022-11-20 18:26:31,753 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1564 transitions. [2022-11-20 18:26:31,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-20 18:26:31,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:26:31,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:26:31,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:26:31,961 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 74 proven. 116 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:26:36,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:26:36,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1571 states to 1043 states and 1571 transitions. [2022-11-20 18:26:36,688 INFO L276 IsEmpty]: Start isEmpty. Operand 1043 states and 1571 transitions. [2022-11-20 18:26:36,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-20 18:26:36,689 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:26:36,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:26:36,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:26:36,786 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 106 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2022-11-20 18:26:39,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:26:39,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1573 states to 1046 states and 1573 transitions. [2022-11-20 18:26:39,365 INFO L276 IsEmpty]: Start isEmpty. Operand 1046 states and 1573 transitions. [2022-11-20 18:26:39,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-20 18:26:39,366 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:26:39,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:26:39,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:26:40,564 INFO L134 CoverageAnalysis]: Checked inductivity of 492 backedges. 2 proven. 490 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:26:48,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:26:48,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1585 states to 1055 states and 1585 transitions. [2022-11-20 18:26:48,059 INFO L276 IsEmpty]: Start isEmpty. Operand 1055 states and 1585 transitions. [2022-11-20 18:26:48,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-20 18:26:48,060 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:26:48,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:26:48,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:26:48,163 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2022-11-20 18:26:50,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:26:50,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1586 states to 1057 states and 1586 transitions. [2022-11-20 18:26:50,316 INFO L276 IsEmpty]: Start isEmpty. Operand 1057 states and 1586 transitions. [2022-11-20 18:26:50,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-20 18:26:50,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:26:50,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:26:50,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:26:51,302 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 2 proven. 21 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-20 18:26:56,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:26:56,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1591 states to 1062 states and 1591 transitions. [2022-11-20 18:26:56,521 INFO L276 IsEmpty]: Start isEmpty. Operand 1062 states and 1591 transitions. [2022-11-20 18:26:56,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-20 18:26:56,522 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:26:56,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:26:56,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:26:56,946 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 39 proven. 211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:27:01,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:27:01,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1598 states to 1070 states and 1598 transitions. [2022-11-20 18:27:01,977 INFO L276 IsEmpty]: Start isEmpty. Operand 1070 states and 1598 transitions. [2022-11-20 18:27:01,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-20 18:27:01,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:27:01,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:27:02,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:27:02,077 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-11-20 18:27:04,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:27:04,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1600 states to 1073 states and 1600 transitions. [2022-11-20 18:27:04,918 INFO L276 IsEmpty]: Start isEmpty. Operand 1073 states and 1600 transitions. [2022-11-20 18:27:04,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-20 18:27:04,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:27:04,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:27:04,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:27:05,020 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2022-11-20 18:27:07,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:27:07,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1601 states to 1075 states and 1601 transitions. [2022-11-20 18:27:07,054 INFO L276 IsEmpty]: Start isEmpty. Operand 1075 states and 1601 transitions. [2022-11-20 18:27:07,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-20 18:27:07,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:27:07,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:27:07,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:27:09,582 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 0 proven. 717 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:27:18,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:27:18,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1626 states to 1088 states and 1626 transitions. [2022-11-20 18:27:18,151 INFO L276 IsEmpty]: Start isEmpty. Operand 1088 states and 1626 transitions. [2022-11-20 18:27:18,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-20 18:27:18,151 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:27:18,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:27:18,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:27:20,136 INFO L134 CoverageAnalysis]: Checked inductivity of 1027 backedges. 0 proven. 1027 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:27:23,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:27:23,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1653 states to 1091 states and 1653 transitions. [2022-11-20 18:27:23,667 INFO L276 IsEmpty]: Start isEmpty. Operand 1091 states and 1653 transitions. [2022-11-20 18:27:23,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-11-20 18:27:23,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:27:23,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:27:23,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:27:23,988 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 15 proven. 354 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:27:29,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:27:29,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1660 states to 1099 states and 1660 transitions. [2022-11-20 18:27:29,094 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states and 1660 transitions. [2022-11-20 18:27:29,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-11-20 18:27:29,095 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:27:29,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:27:29,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:27:29,360 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2022-11-20 18:27:32,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:27:32,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1662 states to 1102 states and 1662 transitions. [2022-11-20 18:27:32,339 INFO L276 IsEmpty]: Start isEmpty. Operand 1102 states and 1662 transitions. [2022-11-20 18:27:32,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-11-20 18:27:32,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:27:32,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:27:32,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:27:32,556 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 74 proven. 138 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:27:37,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:27:37,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1669 states to 1110 states and 1669 transitions. [2022-11-20 18:27:37,577 INFO L276 IsEmpty]: Start isEmpty. Operand 1110 states and 1669 transitions. [2022-11-20 18:27:37,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-11-20 18:27:37,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:27:37,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:27:37,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:27:37,683 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 0 proven. 106 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2022-11-20 18:27:40,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:27:40,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1671 states to 1113 states and 1671 transitions. [2022-11-20 18:27:40,556 INFO L276 IsEmpty]: Start isEmpty. Operand 1113 states and 1671 transitions. [2022-11-20 18:27:40,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-11-20 18:27:40,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:27:40,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:27:40,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:27:41,702 INFO L134 CoverageAnalysis]: Checked inductivity of 547 backedges. 2 proven. 545 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:27:49,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:27:49,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1683 states to 1122 states and 1683 transitions. [2022-11-20 18:27:49,801 INFO L276 IsEmpty]: Start isEmpty. Operand 1122 states and 1683 transitions. [2022-11-20 18:27:49,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-11-20 18:27:49,802 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:27:49,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:27:49,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:27:49,892 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 590 trivial. 0 not checked. [2022-11-20 18:27:52,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:27:52,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1684 states to 1124 states and 1684 transitions. [2022-11-20 18:27:52,153 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 1684 transitions. [2022-11-20 18:27:52,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-11-20 18:27:52,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:27:52,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:27:52,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:27:52,577 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 39 proven. 245 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:27:57,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:27:57,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1691 states to 1132 states and 1691 transitions. [2022-11-20 18:27:57,794 INFO L276 IsEmpty]: Start isEmpty. Operand 1132 states and 1691 transitions. [2022-11-20 18:27:57,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-11-20 18:27:57,795 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:27:57,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:27:57,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:27:57,902 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2022-11-20 18:28:00,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:28:00,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1693 states to 1135 states and 1693 transitions. [2022-11-20 18:28:00,779 INFO L276 IsEmpty]: Start isEmpty. Operand 1135 states and 1693 transitions. [2022-11-20 18:28:00,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-11-20 18:28:00,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:28:00,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:28:00,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:28:00,877 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 590 trivial. 0 not checked. [2022-11-20 18:28:03,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:28:03,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1694 states to 1137 states and 1694 transitions. [2022-11-20 18:28:03,045 INFO L276 IsEmpty]: Start isEmpty. Operand 1137 states and 1694 transitions. [2022-11-20 18:28:03,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-11-20 18:28:03,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:28:03,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:28:03,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:28:05,730 INFO L134 CoverageAnalysis]: Checked inductivity of 784 backedges. 0 proven. 784 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:28:14,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:28:14,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1719 states to 1150 states and 1719 transitions. [2022-11-20 18:28:14,663 INFO L276 IsEmpty]: Start isEmpty. Operand 1150 states and 1719 transitions. [2022-11-20 18:28:14,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-11-20 18:28:14,664 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:28:14,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:28:14,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:28:16,749 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 0 proven. 1107 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:28:20,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:28:20,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1747 states to 1153 states and 1747 transitions. [2022-11-20 18:28:20,609 INFO L276 IsEmpty]: Start isEmpty. Operand 1153 states and 1747 transitions. [2022-11-20 18:28:20,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-11-20 18:28:20,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:28:20,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:28:20,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:28:21,450 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-11-20 18:28:24,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:28:24,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1758 states to 1160 states and 1758 transitions. [2022-11-20 18:28:24,752 INFO L276 IsEmpty]: Start isEmpty. Operand 1160 states and 1758 transitions. [2022-11-20 18:28:24,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-11-20 18:28:24,753 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:28:24,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:28:24,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:28:25,573 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 160 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-11-20 18:28:34,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:28:34,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1813 states to 1171 states and 1813 transitions. [2022-11-20 18:28:34,658 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 1813 transitions. [2022-11-20 18:28:34,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-11-20 18:28:34,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:28:34,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:28:34,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:28:35,011 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 15 proven. 400 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:28:40,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:28:40,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1820 states to 1179 states and 1820 transitions. [2022-11-20 18:28:40,586 INFO L276 IsEmpty]: Start isEmpty. Operand 1179 states and 1820 transitions. [2022-11-20 18:28:40,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-11-20 18:28:40,586 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:28:40,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:28:40,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:28:40,687 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 425 trivial. 0 not checked. [2022-11-20 18:28:43,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:28:43,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1822 states to 1182 states and 1822 transitions. [2022-11-20 18:28:43,747 INFO L276 IsEmpty]: Start isEmpty. Operand 1182 states and 1822 transitions. [2022-11-20 18:28:43,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-11-20 18:28:43,747 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:28:43,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:28:43,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:28:44,767 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-11-20 18:28:49,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:28:49,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1828 states to 1185 states and 1828 transitions. [2022-11-20 18:28:49,306 INFO L276 IsEmpty]: Start isEmpty. Operand 1185 states and 1828 transitions. [2022-11-20 18:28:49,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-11-20 18:28:49,307 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:28:49,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:28:49,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:28:49,720 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 74 proven. 163 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:28:55,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:28:55,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1835 states to 1193 states and 1835 transitions. [2022-11-20 18:28:55,337 INFO L276 IsEmpty]: Start isEmpty. Operand 1193 states and 1835 transitions. [2022-11-20 18:28:55,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-11-20 18:28:55,338 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:28:55,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:28:55,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:28:55,453 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 0 proven. 106 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2022-11-20 18:28:58,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:28:58,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1837 states to 1196 states and 1837 transitions. [2022-11-20 18:28:58,430 INFO L276 IsEmpty]: Start isEmpty. Operand 1196 states and 1837 transitions. [2022-11-20 18:28:58,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-11-20 18:28:58,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:28:58,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:28:58,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:28:59,763 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 2 proven. 603 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:29:08,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:29:08,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1850 states to 1205 states and 1850 transitions. [2022-11-20 18:29:08,234 INFO L276 IsEmpty]: Start isEmpty. Operand 1205 states and 1850 transitions. [2022-11-20 18:29:08,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-11-20 18:29:08,235 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:29:08,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:29:08,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:29:08,359 INFO L134 CoverageAnalysis]: Checked inductivity of 661 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 651 trivial. 0 not checked. [2022-11-20 18:29:10,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:29:10,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1851 states to 1207 states and 1851 transitions. [2022-11-20 18:29:10,780 INFO L276 IsEmpty]: Start isEmpty. Operand 1207 states and 1851 transitions. [2022-11-20 18:29:10,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-11-20 18:29:10,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:29:10,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:29:10,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:29:11,090 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 39 proven. 282 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:29:16,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:29:16,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1858 states to 1215 states and 1858 transitions. [2022-11-20 18:29:16,823 INFO L276 IsEmpty]: Start isEmpty. Operand 1215 states and 1858 transitions. [2022-11-20 18:29:16,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-11-20 18:29:16,823 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:29:16,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:29:16,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:29:16,934 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2022-11-20 18:29:20,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:29:20,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1860 states to 1218 states and 1860 transitions. [2022-11-20 18:29:20,016 INFO L276 IsEmpty]: Start isEmpty. Operand 1218 states and 1860 transitions. [2022-11-20 18:29:20,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-11-20 18:29:20,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:29:20,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:29:20,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:29:20,154 INFO L134 CoverageAnalysis]: Checked inductivity of 662 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 651 trivial. 0 not checked. [2022-11-20 18:29:22,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:29:22,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1861 states to 1220 states and 1861 transitions. [2022-11-20 18:29:22,557 INFO L276 IsEmpty]: Start isEmpty. Operand 1220 states and 1861 transitions. [2022-11-20 18:29:22,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-11-20 18:29:22,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:29:22,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:29:22,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:29:25,461 INFO L134 CoverageAnalysis]: Checked inductivity of 854 backedges. 0 proven. 854 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:29:34,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:29:34,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1887 states to 1233 states and 1887 transitions. [2022-11-20 18:29:34,876 INFO L276 IsEmpty]: Start isEmpty. Operand 1233 states and 1887 transitions. [2022-11-20 18:29:34,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-11-20 18:29:34,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:29:34,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:29:34,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:29:37,070 INFO L134 CoverageAnalysis]: Checked inductivity of 1190 backedges. 0 proven. 1190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:29:41,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:29:41,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1916 states to 1236 states and 1916 transitions. [2022-11-20 18:29:41,083 INFO L276 IsEmpty]: Start isEmpty. Operand 1236 states and 1916 transitions. [2022-11-20 18:29:41,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-20 18:29:41,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:29:41,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:29:41,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:29:41,315 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 11 proven. 28 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-20 18:29:44,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:29:44,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1919 states to 1240 states and 1919 transitions. [2022-11-20 18:29:44,005 INFO L276 IsEmpty]: Start isEmpty. Operand 1240 states and 1919 transitions. [2022-11-20 18:29:44,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-20 18:29:44,006 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:29:44,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:29:44,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:29:44,439 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 120 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:29:49,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:29:49,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1926 states to 1248 states and 1926 transitions. [2022-11-20 18:29:49,976 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states and 1926 transitions. [2022-11-20 18:29:49,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-20 18:29:49,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:29:49,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:29:50,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:29:50,095 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 0 proven. 160 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2022-11-20 18:29:53,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:29:53,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1928 states to 1251 states and 1928 transitions. [2022-11-20 18:29:53,256 INFO L276 IsEmpty]: Start isEmpty. Operand 1251 states and 1928 transitions. [2022-11-20 18:29:53,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-20 18:29:53,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:29:53,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:29:53,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:29:53,644 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 15 proven. 449 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:29:59,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:29:59,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1935 states to 1259 states and 1935 transitions. [2022-11-20 18:29:59,565 INFO L276 IsEmpty]: Start isEmpty. Operand 1259 states and 1935 transitions. [2022-11-20 18:29:59,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-20 18:29:59,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:29:59,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:29:59,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:29:59,671 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 477 trivial. 0 not checked. [2022-11-20 18:30:03,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:30:03,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1937 states to 1262 states and 1937 transitions. [2022-11-20 18:30:03,071 INFO L276 IsEmpty]: Start isEmpty. Operand 1262 states and 1937 transitions. [2022-11-20 18:30:03,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-11-20 18:30:03,072 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:30:03,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:30:03,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:30:05,033 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 29 proven. 32 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-11-20 18:30:19,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:30:19,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1951 states to 1275 states and 1951 transitions. [2022-11-20 18:30:19,804 INFO L276 IsEmpty]: Start isEmpty. Operand 1275 states and 1951 transitions. [2022-11-20 18:30:19,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-11-20 18:30:19,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:30:19,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:30:19,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:30:20,221 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 74 proven. 191 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:30:26,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:30:26,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1958 states to 1283 states and 1958 transitions. [2022-11-20 18:30:26,055 INFO L276 IsEmpty]: Start isEmpty. Operand 1283 states and 1958 transitions. [2022-11-20 18:30:26,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-11-20 18:30:26,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:30:26,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:30:26,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:30:26,299 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 106 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2022-11-20 18:30:29,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:30:29,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1960 states to 1286 states and 1960 transitions. [2022-11-20 18:30:29,493 INFO L276 IsEmpty]: Start isEmpty. Operand 1286 states and 1960 transitions. [2022-11-20 18:30:29,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-11-20 18:30:29,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:30:29,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:30:29,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:30:30,942 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 2 proven. 664 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.