./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-numeric/rec_counter3.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_514df25d-7742-4447-a56c-085fb442aee0/bin/ukojak-d1pc8ZmBRL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_514df25d-7742-4447-a56c-085fb442aee0/bin/ukojak-d1pc8ZmBRL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_514df25d-7742-4447-a56c-085fb442aee0/bin/ukojak-d1pc8ZmBRL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_514df25d-7742-4447-a56c-085fb442aee0/bin/ukojak-d1pc8ZmBRL/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-numeric/rec_counter3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_514df25d-7742-4447-a56c-085fb442aee0/bin/ukojak-d1pc8ZmBRL/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_514df25d-7742-4447-a56c-085fb442aee0/bin/ukojak-d1pc8ZmBRL --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d7b4f33979632a981e739ff06b52fe01aa9fb175d5e5193b145052887f22f8a3 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 06:50:23,016 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 06:50:23,019 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 06:50:23,070 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 06:50:23,070 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 06:50:23,074 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 06:50:23,076 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 06:50:23,080 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 06:50:23,082 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 06:50:23,088 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 06:50:23,089 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 06:50:23,091 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 06:50:23,091 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 06:50:23,094 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 06:50:23,096 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 06:50:23,104 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 06:50:23,106 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 06:50:23,107 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 06:50:23,109 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 06:50:23,116 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 06:50:23,118 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 06:50:23,119 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 06:50:23,122 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 06:50:23,123 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 06:50:23,132 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 06:50:23,133 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 06:50:23,133 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 06:50:23,135 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 06:50:23,136 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 06:50:23,137 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 06:50:23,138 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 06:50:23,139 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 06:50:23,141 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 06:50:23,142 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 06:50:23,143 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 06:50:23,144 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 06:50:23,145 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 06:50:23,145 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 06:50:23,145 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 06:50:23,146 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 06:50:23,147 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 06:50:23,148 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_514df25d-7742-4447-a56c-085fb442aee0/bin/ukojak-d1pc8ZmBRL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-25 06:50:23,192 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 06:50:23,192 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 06:50:23,194 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 06:50:23,194 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-25 06:50:23,195 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 06:50:23,195 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 06:50:23,195 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 06:50:23,195 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 06:50:23,202 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 06:50:23,202 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 06:50:23,203 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 06:50:23,203 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 06:50:23,203 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 06:50:23,204 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-25 06:50:23,204 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 06:50:23,204 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 06:50:23,204 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 06:50:23,204 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-25 06:50:23,204 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-25 06:50:23,205 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 06:50:23,205 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 06:50:23,205 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 06:50:23,205 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 06:50:23,206 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 06:50:23,206 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-25 06:50:23,206 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 06:50:23,206 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 06:50:23,206 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_514df25d-7742-4447-a56c-085fb442aee0/bin/ukojak-d1pc8ZmBRL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_514df25d-7742-4447-a56c-085fb442aee0/bin/ukojak-d1pc8ZmBRL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d7b4f33979632a981e739ff06b52fe01aa9fb175d5e5193b145052887f22f8a3 [2021-11-25 06:50:23,498 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 06:50:23,517 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 06:50:23,520 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 06:50:23,521 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 06:50:23,522 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 06:50:23,524 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_514df25d-7742-4447-a56c-085fb442aee0/bin/ukojak-d1pc8ZmBRL/../../sv-benchmarks/c/termination-numeric/rec_counter3.c [2021-11-25 06:50:23,588 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_514df25d-7742-4447-a56c-085fb442aee0/bin/ukojak-d1pc8ZmBRL/data/ab205c234/dcee3eaedf21483dac4cd12634c432c0/FLAGb7481df6e [2021-11-25 06:50:24,026 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 06:50:24,027 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_514df25d-7742-4447-a56c-085fb442aee0/sv-benchmarks/c/termination-numeric/rec_counter3.c [2021-11-25 06:50:24,032 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_514df25d-7742-4447-a56c-085fb442aee0/bin/ukojak-d1pc8ZmBRL/data/ab205c234/dcee3eaedf21483dac4cd12634c432c0/FLAGb7481df6e [2021-11-25 06:50:24,448 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_514df25d-7742-4447-a56c-085fb442aee0/bin/ukojak-d1pc8ZmBRL/data/ab205c234/dcee3eaedf21483dac4cd12634c432c0 [2021-11-25 06:50:24,450 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 06:50:24,452 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 06:50:24,453 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 06:50:24,454 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 06:50:24,457 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 06:50:24,458 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:50:24" (1/1) ... [2021-11-25 06:50:24,459 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70cd6221 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:50:24, skipping insertion in model container [2021-11-25 06:50:24,459 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:50:24" (1/1) ... [2021-11-25 06:50:24,466 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 06:50:24,475 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 06:50:24,630 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 06:50:24,632 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 06:50:24,644 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 06:50:24,656 INFO L208 MainTranslator]: Completed translation [2021-11-25 06:50:24,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:50:24 WrapperNode [2021-11-25 06:50:24,657 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 06:50:24,658 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 06:50:24,658 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 06:50:24,658 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 06:50:24,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:50:24" (1/1) ... [2021-11-25 06:50:24,670 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:50:24" (1/1) ... [2021-11-25 06:50:24,688 INFO L137 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 16 [2021-11-25 06:50:24,688 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 06:50:24,689 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 06:50:24,689 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 06:50:24,690 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 06:50:24,698 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:50:24" (1/1) ... [2021-11-25 06:50:24,698 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:50:24" (1/1) ... [2021-11-25 06:50:24,699 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:50:24" (1/1) ... [2021-11-25 06:50:24,699 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:50:24" (1/1) ... [2021-11-25 06:50:24,701 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:50:24" (1/1) ... [2021-11-25 06:50:24,705 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:50:24" (1/1) ... [2021-11-25 06:50:24,706 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:50:24" (1/1) ... [2021-11-25 06:50:24,708 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 06:50:24,708 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 06:50:24,709 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 06:50:24,709 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 06:50:24,710 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:50:24" (1/1) ... [2021-11-25 06:50:24,717 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 06:50:24,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_514df25d-7742-4447-a56c-085fb442aee0/bin/ukojak-d1pc8ZmBRL/z3 [2021-11-25 06:50:24,742 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_514df25d-7742-4447-a56c-085fb442aee0/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-25 06:50:24,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_514df25d-7742-4447-a56c-085fb442aee0/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-25 06:50:24,787 INFO L130 BoogieDeclarations]: Found specification of procedure rec [2021-11-25 06:50:24,788 INFO L138 BoogieDeclarations]: Found implementation of procedure rec [2021-11-25 06:50:24,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 06:50:24,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 06:50:24,843 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 06:50:24,844 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 06:50:25,016 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 06:50:25,031 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 06:50:25,037 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-25 06:50:25,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:50:25 BoogieIcfgContainer [2021-11-25 06:50:25,053 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 06:50:25,054 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-25 06:50:25,054 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-25 06:50:25,064 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-25 06:50:25,064 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:50:25" (1/1) ... [2021-11-25 06:50:25,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 06:50:25,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:25,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 26 states and 30 transitions. [2021-11-25 06:50:25,130 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2021-11-25 06:50:25,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-25 06:50:25,134 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:25,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:25,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:25,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:50:25,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:25,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 29 states and 34 transitions. [2021-11-25 06:50:25,445 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2021-11-25 06:50:25,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-25 06:50:25,446 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:25,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:25,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:25,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:50:25,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:25,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 33 states and 39 transitions. [2021-11-25 06:50:25,748 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2021-11-25 06:50:25,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 06:50:25,749 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:25,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:25,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:25,827 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:50:25,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:25,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 29 states and 34 transitions. [2021-11-25 06:50:25,901 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2021-11-25 06:50:25,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-25 06:50:25,902 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:25,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:25,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:26,002 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:50:26,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:26,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 26 states and 30 transitions. [2021-11-25 06:50:26,180 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2021-11-25 06:50:26,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-25 06:50:26,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:26,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:26,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:26,305 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:50:26,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:26,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 36 transitions. [2021-11-25 06:50:26,458 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2021-11-25 06:50:26,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-25 06:50:26,460 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:26,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:26,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:26,560 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:50:26,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:26,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 32 states and 40 transitions. [2021-11-25 06:50:26,755 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2021-11-25 06:50:26,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-25 06:50:26,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:26,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:26,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:26,830 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:50:27,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:27,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 35 states and 45 transitions. [2021-11-25 06:50:27,081 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2021-11-25 06:50:27,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-25 06:50:27,082 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:27,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:27,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:27,290 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-25 06:50:27,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:27,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 41 states and 53 transitions. [2021-11-25 06:50:27,662 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 53 transitions. [2021-11-25 06:50:27,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-25 06:50:27,664 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:27,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:27,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:27,740 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-25 06:50:27,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:27,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 40 states and 52 transitions. [2021-11-25 06:50:27,879 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 52 transitions. [2021-11-25 06:50:27,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-25 06:50:27,881 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:27,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:27,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:27,981 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-25 06:50:28,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:28,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 45 states and 60 transitions. [2021-11-25 06:50:28,697 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 60 transitions. [2021-11-25 06:50:28,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-25 06:50:28,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:28,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:28,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:28,772 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-25 06:50:28,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:28,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 46 states and 60 transitions. [2021-11-25 06:50:28,871 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 60 transitions. [2021-11-25 06:50:28,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-25 06:50:28,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:28,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:28,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:28,919 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-25 06:50:29,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:29,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 49 states and 63 transitions. [2021-11-25 06:50:29,264 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2021-11-25 06:50:29,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-25 06:50:29,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:29,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:29,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:29,287 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-25 06:50:29,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:29,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 49 states and 62 transitions. [2021-11-25 06:50:29,463 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 62 transitions. [2021-11-25 06:50:29,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-25 06:50:29,464 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:29,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:29,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:29,692 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-25 06:50:30,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:30,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 55 states and 72 transitions. [2021-11-25 06:50:30,238 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 72 transitions. [2021-11-25 06:50:30,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-25 06:50:30,240 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:30,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:30,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:30,307 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 2 proven. 22 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-25 06:50:30,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:30,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 56 states and 72 transitions. [2021-11-25 06:50:30,488 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 72 transitions. [2021-11-25 06:50:30,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-25 06:50:30,489 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:30,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:30,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:30,545 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 2 proven. 22 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-25 06:50:30,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:30,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 57 states and 72 transitions. [2021-11-25 06:50:30,734 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 72 transitions. [2021-11-25 06:50:30,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-25 06:50:30,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:30,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:30,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:30,816 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-11-25 06:50:31,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:31,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 62 states and 80 transitions. [2021-11-25 06:50:31,696 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 80 transitions. [2021-11-25 06:50:31,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-25 06:50:31,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:31,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:31,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:31,757 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-25 06:50:32,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:32,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 64 states and 81 transitions. [2021-11-25 06:50:32,168 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 81 transitions. [2021-11-25 06:50:32,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-25 06:50:32,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:32,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:32,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:32,210 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-25 06:50:32,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:32,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 67 states and 84 transitions. [2021-11-25 06:50:32,707 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 84 transitions. [2021-11-25 06:50:32,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-25 06:50:32,708 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:32,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:32,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:33,098 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 33 proven. 9 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-11-25 06:50:34,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:34,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 77 states and 94 transitions. [2021-11-25 06:50:34,824 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 94 transitions. [2021-11-25 06:50:34,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-25 06:50:34,825 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:34,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:34,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:35,119 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2021-11-25 06:50:35,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:35,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 83 states and 104 transitions. [2021-11-25 06:50:35,894 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 104 transitions. [2021-11-25 06:50:35,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-25 06:50:35,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:35,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:35,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:35,944 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 2 proven. 60 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-11-25 06:50:36,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:36,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 84 states and 104 transitions. [2021-11-25 06:50:36,153 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 104 transitions. [2021-11-25 06:50:36,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-25 06:50:36,154 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:36,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:36,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:36,199 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 2 proven. 60 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-11-25 06:50:36,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:36,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 85 states and 104 transitions. [2021-11-25 06:50:36,433 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 104 transitions. [2021-11-25 06:50:36,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-25 06:50:36,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:36,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:36,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:36,543 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2021-11-25 06:50:38,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:38,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 93 states and 115 transitions. [2021-11-25 06:50:38,151 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 115 transitions. [2021-11-25 06:50:38,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-25 06:50:38,152 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:38,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:38,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:38,199 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-25 06:50:38,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:38,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 95 states and 116 transitions. [2021-11-25 06:50:38,704 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 116 transitions. [2021-11-25 06:50:38,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-25 06:50:38,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:38,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:38,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:38,751 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2021-11-25 06:50:39,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:39,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 98 states and 119 transitions. [2021-11-25 06:50:39,388 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 119 transitions. [2021-11-25 06:50:39,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-25 06:50:39,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:39,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:39,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:39,849 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 71 proven. 35 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-11-25 06:50:40,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:40,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 101 states and 120 transitions. [2021-11-25 06:50:40,296 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 120 transitions. [2021-11-25 06:50:40,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-25 06:50:40,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:40,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:40,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:40,678 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 115 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2021-11-25 06:50:41,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:41,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 107 states and 130 transitions. [2021-11-25 06:50:41,613 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 130 transitions. [2021-11-25 06:50:41,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-25 06:50:41,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:41,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:41,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:41,670 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 2 proven. 137 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-11-25 06:50:42,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:42,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 108 states and 130 transitions. [2021-11-25 06:50:42,008 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 130 transitions. [2021-11-25 06:50:42,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-25 06:50:42,009 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:42,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:42,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:42,064 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 2 proven. 137 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-11-25 06:50:42,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:42,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 109 states and 130 transitions. [2021-11-25 06:50:42,427 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 130 transitions. [2021-11-25 06:50:42,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-25 06:50:42,428 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:42,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:42,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:42,571 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 0 proven. 179 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2021-11-25 06:50:45,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:45,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 120 states and 144 transitions. [2021-11-25 06:50:45,301 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 144 transitions. [2021-11-25 06:50:45,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-25 06:50:45,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:45,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:45,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:45,369 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 0 proven. 201 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2021-11-25 06:50:46,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:46,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 122 states and 145 transitions. [2021-11-25 06:50:46,072 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 145 transitions. [2021-11-25 06:50:46,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-25 06:50:46,073 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:46,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:46,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:46,104 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2021-11-25 06:50:47,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:47,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 125 states and 148 transitions. [2021-11-25 06:50:47,131 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 148 transitions. [2021-11-25 06:50:47,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-25 06:50:47,132 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:47,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:47,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:47,880 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 145 proven. 88 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2021-11-25 06:50:48,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:48,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 129 states and 151 transitions. [2021-11-25 06:50:48,808 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 151 transitions. [2021-11-25 06:50:48,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-25 06:50:48,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:48,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:48,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:49,331 INFO L134 CoverageAnalysis]: Checked inductivity of 404 backedges. 0 proven. 245 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2021-11-25 06:50:50,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:50,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 135 states and 161 transitions. [2021-11-25 06:50:50,510 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 161 transitions. [2021-11-25 06:50:50,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-25 06:50:50,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:50,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:50,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:50,588 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 2 proven. 280 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2021-11-25 06:50:51,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:51,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 136 states and 161 transitions. [2021-11-25 06:50:51,069 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 161 transitions. [2021-11-25 06:50:51,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-25 06:50:51,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:51,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:51,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:51,139 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 2 proven. 280 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2021-11-25 06:50:51,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:51,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 137 states and 161 transitions. [2021-11-25 06:50:51,542 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 161 transitions. [2021-11-25 06:50:51,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-25 06:50:51,543 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:51,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:51,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:51,723 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2021-11-25 06:50:55,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:55,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 151 states and 178 transitions. [2021-11-25 06:50:55,513 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 178 transitions. [2021-11-25 06:50:55,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-25 06:50:55,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:55,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:55,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:55,575 INFO L134 CoverageAnalysis]: Checked inductivity of 609 backedges. 0 proven. 415 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2021-11-25 06:50:56,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:56,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 153 states and 179 transitions. [2021-11-25 06:50:56,336 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 179 transitions. [2021-11-25 06:50:56,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-25 06:50:56,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:56,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:56,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:56,422 INFO L134 CoverageAnalysis]: Checked inductivity of 614 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 414 trivial. 0 not checked. [2021-11-25 06:50:57,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:57,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 156 states and 182 transitions. [2021-11-25 06:50:57,417 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 182 transitions. [2021-11-25 06:50:57,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-11-25 06:50:57,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:57,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:57,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:50:58,592 INFO L134 CoverageAnalysis]: Checked inductivity of 655 backedges. 282 proven. 177 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2021-11-25 06:50:59,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:50:59,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 160 states and 185 transitions. [2021-11-25 06:50:59,674 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 185 transitions. [2021-11-25 06:50:59,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-11-25 06:50:59,675 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:50:59,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:50:59,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:51:00,281 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 0 proven. 474 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2021-11-25 06:51:01,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:51:01,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 166 states and 195 transitions. [2021-11-25 06:51:01,853 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 195 transitions. [2021-11-25 06:51:01,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-11-25 06:51:01,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:51:01,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:51:01,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:51:01,925 INFO L134 CoverageAnalysis]: Checked inductivity of 721 backedges. 2 proven. 525 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2021-11-25 06:51:02,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:51:02,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 167 states and 195 transitions. [2021-11-25 06:51:02,387 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 195 transitions. [2021-11-25 06:51:02,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-11-25 06:51:02,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:51:02,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:51:02,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:51:02,520 INFO L134 CoverageAnalysis]: Checked inductivity of 758 backedges. 2 proven. 525 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2021-11-25 06:51:03,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:51:03,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 168 states and 195 transitions. [2021-11-25 06:51:03,012 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 195 transitions. [2021-11-25 06:51:03,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2021-11-25 06:51:03,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:51:03,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:51:03,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:51:03,236 INFO L134 CoverageAnalysis]: Checked inductivity of 949 backedges. 0 proven. 720 refuted. 0 times theorem prover too weak. 229 trivial. 0 not checked. [2021-11-25 06:51:08,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:51:08,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 185 states and 215 transitions. [2021-11-25 06:51:08,428 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 215 transitions. [2021-11-25 06:51:08,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-11-25 06:51:08,430 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:51:08,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:51:08,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:51:08,502 INFO L134 CoverageAnalysis]: Checked inductivity of 1016 backedges. 0 proven. 771 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2021-11-25 06:51:09,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:51:09,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 187 states and 216 transitions. [2021-11-25 06:51:09,502 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 216 transitions. [2021-11-25 06:51:09,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-11-25 06:51:09,503 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:51:09,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:51:09,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:51:09,536 INFO L134 CoverageAnalysis]: Checked inductivity of 1059 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 720 trivial. 0 not checked. [2021-11-25 06:51:10,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:51:10,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 190 states and 219 transitions. [2021-11-25 06:51:10,684 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 219 transitions. [2021-11-25 06:51:10,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2021-11-25 06:51:10,685 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:51:10,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:51:10,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:51:12,469 INFO L134 CoverageAnalysis]: Checked inductivity of 1060 backedges. 518 proven. 311 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2021-11-25 06:51:13,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:51:13,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 194 states and 222 transitions. [2021-11-25 06:51:13,709 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 222 transitions. [2021-11-25 06:51:13,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2021-11-25 06:51:13,710 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:51:13,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:51:13,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:51:14,487 INFO L134 CoverageAnalysis]: Checked inductivity of 1171 backedges. 0 proven. 847 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2021-11-25 06:51:16,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:51:16,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 200 states and 232 transitions. [2021-11-25 06:51:16,234 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 232 transitions. [2021-11-25 06:51:16,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-11-25 06:51:16,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:51:16,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:51:16,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:51:16,314 INFO L134 CoverageAnalysis]: Checked inductivity of 1243 backedges. 2 proven. 917 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2021-11-25 06:51:16,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:51:16,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 201 states and 232 transitions. [2021-11-25 06:51:16,914 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 232 transitions. [2021-11-25 06:51:16,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-11-25 06:51:16,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:51:16,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:51:16,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:51:17,004 INFO L134 CoverageAnalysis]: Checked inductivity of 1243 backedges. 2 proven. 917 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2021-11-25 06:51:17,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:51:17,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 202 states and 232 transitions. [2021-11-25 06:51:17,586 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 232 transitions. [2021-11-25 06:51:17,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2021-11-25 06:51:17,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:51:17,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:51:17,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:51:17,847 INFO L134 CoverageAnalysis]: Checked inductivity of 1628 backedges. 0 proven. 1253 refuted. 0 times theorem prover too weak. 375 trivial. 0 not checked. [2021-11-25 06:51:24,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:51:24,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 222 states and 255 transitions. [2021-11-25 06:51:24,752 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 255 transitions. [2021-11-25 06:51:24,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2021-11-25 06:51:24,753 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:51:24,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:51:24,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:51:24,837 INFO L134 CoverageAnalysis]: Checked inductivity of 1675 backedges. 0 proven. 1323 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2021-11-25 06:51:25,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:51:25,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 224 states and 256 transitions. [2021-11-25 06:51:25,936 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 256 transitions. [2021-11-25 06:51:25,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2021-11-25 06:51:25,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:51:25,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:51:25,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:51:25,974 INFO L134 CoverageAnalysis]: Checked inductivity of 1682 backedges. 532 proven. 0 refuted. 0 times theorem prover too weak. 1150 trivial. 0 not checked. [2021-11-25 06:51:27,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:51:27,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 227 states and 259 transitions. [2021-11-25 06:51:27,268 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 259 transitions. [2021-11-25 06:51:27,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2021-11-25 06:51:27,269 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:51:27,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:51:27,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:51:29,687 INFO L134 CoverageAnalysis]: Checked inductivity of 1768 backedges. 898 proven. 499 refuted. 0 times theorem prover too weak. 371 trivial. 0 not checked. [2021-11-25 06:51:31,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:51:31,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 231 states and 262 transitions. [2021-11-25 06:51:31,166 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 262 transitions. [2021-11-25 06:51:31,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2021-11-25 06:51:31,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:51:31,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:51:31,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:51:32,299 INFO L134 CoverageAnalysis]: Checked inductivity of 1859 backedges. 0 proven. 1418 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2021-11-25 06:51:34,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:51:34,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 237 states and 272 transitions. [2021-11-25 06:51:34,397 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 272 transitions. [2021-11-25 06:51:34,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2021-11-25 06:51:34,398 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:51:34,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:51:34,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:51:34,492 INFO L134 CoverageAnalysis]: Checked inductivity of 1906 backedges. 2 proven. 1510 refuted. 0 times theorem prover too weak. 394 trivial. 0 not checked. [2021-11-25 06:51:35,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:51:35,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 238 states and 272 transitions. [2021-11-25 06:51:35,183 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 272 transitions. [2021-11-25 06:51:35,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2021-11-25 06:51:35,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:51:35,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:51:35,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:51:35,278 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 2 proven. 1510 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2021-11-25 06:51:35,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:51:35,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 239 states and 272 transitions. [2021-11-25 06:51:35,923 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 272 transitions. [2021-11-25 06:51:35,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2021-11-25 06:51:35,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:51:35,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:51:35,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:51:36,234 INFO L134 CoverageAnalysis]: Checked inductivity of 2506 backedges. 0 proven. 2042 refuted. 0 times theorem prover too weak. 464 trivial. 0 not checked. [2021-11-25 06:51:45,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:51:45,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 262 states and 298 transitions. [2021-11-25 06:51:45,514 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 298 transitions. [2021-11-25 06:51:45,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2021-11-25 06:51:45,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:51:45,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:51:45,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:51:45,614 INFO L134 CoverageAnalysis]: Checked inductivity of 2620 backedges. 0 proven. 2134 refuted. 0 times theorem prover too weak. 486 trivial. 0 not checked. [2021-11-25 06:51:46,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:51:46,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 264 states and 299 transitions. [2021-11-25 06:51:46,861 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 299 transitions. [2021-11-25 06:51:46,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2021-11-25 06:51:46,863 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:51:46,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:51:46,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:51:46,910 INFO L134 CoverageAnalysis]: Checked inductivity of 2675 backedges. 788 proven. 0 refuted. 0 times theorem prover too weak. 1887 trivial. 0 not checked. [2021-11-25 06:51:48,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:51:48,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 267 states and 302 transitions. [2021-11-25 06:51:48,435 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 302 transitions. [2021-11-25 06:51:48,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2021-11-25 06:51:48,436 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:51:48,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:51:48,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:51:51,631 INFO L134 CoverageAnalysis]: Checked inductivity of 2719 backedges. 1476 proven. 750 refuted. 0 times theorem prover too weak. 493 trivial. 0 not checked. [2021-11-25 06:51:53,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:51:53,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 271 states and 305 transitions. [2021-11-25 06:51:53,380 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 305 transitions. [2021-11-25 06:51:53,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2021-11-25 06:51:53,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:51:53,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:51:53,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:51:54,503 INFO L134 CoverageAnalysis]: Checked inductivity of 2783 backedges. 0 proven. 2250 refuted. 0 times theorem prover too weak. 533 trivial. 0 not checked. [2021-11-25 06:51:57,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:51:57,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 277 states and 315 transitions. [2021-11-25 06:51:57,026 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 315 transitions. [2021-11-25 06:51:57,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2021-11-25 06:51:57,028 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:51:57,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:51:57,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:51:57,132 INFO L134 CoverageAnalysis]: Checked inductivity of 2902 backedges. 2 proven. 2367 refuted. 0 times theorem prover too weak. 533 trivial. 0 not checked. [2021-11-25 06:51:58,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:51:58,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 278 states and 315 transitions. [2021-11-25 06:51:58,133 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 315 transitions. [2021-11-25 06:51:58,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2021-11-25 06:51:58,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:51:58,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:51:58,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:51:58,253 INFO L134 CoverageAnalysis]: Checked inductivity of 2954 backedges. 2 proven. 2367 refuted. 0 times theorem prover too weak. 585 trivial. 0 not checked. [2021-11-25 06:51:58,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:51:58,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 279 states and 315 transitions. [2021-11-25 06:51:58,997 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 315 transitions. [2021-11-25 06:51:58,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2021-11-25 06:51:58,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:51:58,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:51:59,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:51:59,351 INFO L134 CoverageAnalysis]: Checked inductivity of 3836 backedges. 0 proven. 3159 refuted. 0 times theorem prover too weak. 677 trivial. 0 not checked. [2021-11-25 06:52:10,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:52:10,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 305 states and 344 transitions. [2021-11-25 06:52:10,973 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 344 transitions. [2021-11-25 06:52:10,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2021-11-25 06:52:10,974 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:52:10,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:52:11,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:52:11,083 INFO L134 CoverageAnalysis]: Checked inductivity of 3926 backedges. 0 proven. 3276 refuted. 0 times theorem prover too weak. 650 trivial. 0 not checked. [2021-11-25 06:52:12,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:52:12,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 307 states and 345 transitions. [2021-11-25 06:52:12,527 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 345 transitions. [2021-11-25 06:52:12,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2021-11-25 06:52:12,528 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:52:12,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:52:12,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:52:12,572 INFO L134 CoverageAnalysis]: Checked inductivity of 3987 backedges. 1116 proven. 0 refuted. 0 times theorem prover too weak. 2871 trivial. 0 not checked. [2021-11-25 06:52:14,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:52:14,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 310 states and 348 transitions. [2021-11-25 06:52:14,252 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 348 transitions. [2021-11-25 06:52:14,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2021-11-25 06:52:14,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:52:14,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:52:14,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:52:18,500 INFO L134 CoverageAnalysis]: Checked inductivity of 3973 backedges. 2315 proven. 1073 refuted. 0 times theorem prover too weak. 585 trivial. 0 not checked. [2021-11-25 06:52:20,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:52:20,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 314 states and 351 transitions. [2021-11-25 06:52:20,565 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 351 transitions. [2021-11-25 06:52:20,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2021-11-25 06:52:20,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:52:20,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:52:20,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:52:21,895 INFO L134 CoverageAnalysis]: Checked inductivity of 4174 backedges. 0 proven. 3415 refuted. 0 times theorem prover too weak. 759 trivial. 0 not checked. [2021-11-25 06:52:24,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:52:24,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 320 states and 361 transitions. [2021-11-25 06:52:24,826 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 361 transitions. [2021-11-25 06:52:24,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2021-11-25 06:52:24,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:52:24,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:52:24,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:52:24,941 INFO L134 CoverageAnalysis]: Checked inductivity of 4321 backedges. 2 proven. 3560 refuted. 0 times theorem prover too weak. 759 trivial. 0 not checked. [2021-11-25 06:52:25,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:52:25,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 321 states and 361 transitions. [2021-11-25 06:52:25,794 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 361 transitions. [2021-11-25 06:52:25,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2021-11-25 06:52:25,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:52:25,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:52:25,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:52:25,911 INFO L134 CoverageAnalysis]: Checked inductivity of 4264 backedges. 2 proven. 3560 refuted. 0 times theorem prover too weak. 702 trivial. 0 not checked. [2021-11-25 06:52:26,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:52:26,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 322 states and 361 transitions. [2021-11-25 06:52:26,697 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 361 transitions. [2021-11-25 06:52:26,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2021-11-25 06:52:26,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:52:26,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:52:26,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:52:27,097 INFO L134 CoverageAnalysis]: Checked inductivity of 5561 backedges. 0 proven. 4685 refuted. 0 times theorem prover too weak. 876 trivial. 0 not checked. [2021-11-25 06:52:41,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:52:41,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 351 states and 393 transitions. [2021-11-25 06:52:41,865 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 393 transitions. [2021-11-25 06:52:41,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2021-11-25 06:52:41,867 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:52:41,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:52:41,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:52:42,008 INFO L134 CoverageAnalysis]: Checked inductivity of 5677 backedges. 0 proven. 4830 refuted. 0 times theorem prover too weak. 847 trivial. 0 not checked. [2021-11-25 06:52:43,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:52:43,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 353 states and 394 transitions. [2021-11-25 06:52:43,556 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 394 transitions. [2021-11-25 06:52:43,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2021-11-25 06:52:43,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:52:43,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:52:43,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:52:43,608 INFO L134 CoverageAnalysis]: Checked inductivity of 5687 backedges. 1525 proven. 0 refuted. 0 times theorem prover too weak. 4162 trivial. 0 not checked. [2021-11-25 06:52:45,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:52:45,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 356 states and 397 transitions. [2021-11-25 06:52:45,537 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 397 transitions. [2021-11-25 06:52:45,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2021-11-25 06:52:45,538 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:52:45,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:52:45,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:52:51,038 INFO L134 CoverageAnalysis]: Checked inductivity of 5723 backedges. 3487 proven. 1477 refuted. 0 times theorem prover too weak. 759 trivial. 0 not checked. [2021-11-25 06:52:53,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:52:53,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 360 states and 400 transitions. [2021-11-25 06:52:53,534 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 400 transitions. [2021-11-25 06:52:53,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2021-11-25 06:52:53,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:52:53,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:52:53,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:52:55,010 INFO L134 CoverageAnalysis]: Checked inductivity of 5898 backedges. 0 proven. 4994 refuted. 0 times theorem prover too weak. 904 trivial. 0 not checked. [2021-11-25 06:52:58,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:52:58,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 366 states and 410 transitions. [2021-11-25 06:52:58,391 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 410 transitions. [2021-11-25 06:52:58,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2021-11-25 06:52:58,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:52:58,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:52:58,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:52:58,523 INFO L134 CoverageAnalysis]: Checked inductivity of 6076 backedges. 2 proven. 5170 refuted. 0 times theorem prover too weak. 904 trivial. 0 not checked. [2021-11-25 06:52:59,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:52:59,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 367 states and 410 transitions. [2021-11-25 06:52:59,901 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 410 transitions. [2021-11-25 06:52:59,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2021-11-25 06:52:59,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:52:59,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:52:59,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:53:00,043 INFO L134 CoverageAnalysis]: Checked inductivity of 6138 backedges. 2 proven. 5170 refuted. 0 times theorem prover too weak. 966 trivial. 0 not checked. [2021-11-25 06:53:00,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:53:00,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 368 states and 410 transitions. [2021-11-25 06:53:00,864 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 410 transitions. [2021-11-25 06:53:00,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2021-11-25 06:53:00,866 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:53:00,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:53:00,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:53:01,270 INFO L134 CoverageAnalysis]: Checked inductivity of 7821 backedges. 0 proven. 6710 refuted. 0 times theorem prover too weak. 1111 trivial. 0 not checked. [2021-11-25 06:53:20,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:53:20,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 400 states and 445 transitions. [2021-11-25 06:53:20,014 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 445 transitions. [2021-11-25 06:53:20,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2021-11-25 06:53:20,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:53:20,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:53:20,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:53:20,134 INFO L134 CoverageAnalysis]: Checked inductivity of 8028 backedges. 0 proven. 6886 refuted. 0 times theorem prover too weak. 1142 trivial. 0 not checked. [2021-11-25 06:53:21,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:53:21,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 402 states and 446 transitions. [2021-11-25 06:53:21,866 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 446 transitions. [2021-11-25 06:53:21,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2021-11-25 06:53:21,869 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:53:21,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:53:21,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:53:21,924 INFO L134 CoverageAnalysis]: Checked inductivity of 7977 backedges. 2024 proven. 0 refuted. 0 times theorem prover too weak. 5953 trivial. 0 not checked. [2021-11-25 06:53:24,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:53:24,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 405 states and 449 transitions. [2021-11-25 06:53:24,308 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 449 transitions. [2021-11-25 06:53:24,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2021-11-25 06:53:24,311 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:53:24,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:53:24,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:53:31,186 INFO L134 CoverageAnalysis]: Checked inductivity of 8010 backedges. 5073 proven. 1971 refuted. 0 times theorem prover too weak. 966 trivial. 0 not checked. [2021-11-25 06:53:33,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:53:33,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 409 states and 452 transitions. [2021-11-25 06:53:33,833 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 452 transitions. [2021-11-25 06:53:33,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2021-11-25 06:53:33,835 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:53:33,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:53:33,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:53:35,399 INFO L134 CoverageAnalysis]: Checked inductivity of 8286 backedges. 0 proven. 7077 refuted. 0 times theorem prover too weak. 1209 trivial. 0 not checked. [2021-11-25 06:53:39,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:53:39,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 415 states and 462 transitions. [2021-11-25 06:53:39,355 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 462 transitions. [2021-11-25 06:53:39,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2021-11-25 06:53:39,356 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:53:39,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:53:39,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:53:39,479 INFO L134 CoverageAnalysis]: Checked inductivity of 8431 backedges. 2 proven. 7287 refuted. 0 times theorem prover too weak. 1142 trivial. 0 not checked. [2021-11-25 06:53:40,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:53:40,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 416 states and 462 transitions. [2021-11-25 06:53:40,771 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 462 transitions. [2021-11-25 06:53:40,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2021-11-25 06:53:40,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:53:40,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:53:40,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:53:40,907 INFO L134 CoverageAnalysis]: Checked inductivity of 8498 backedges. 2 proven. 7287 refuted. 0 times theorem prover too weak. 1209 trivial. 0 not checked. [2021-11-25 06:53:41,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:53:41,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 417 states and 462 transitions. [2021-11-25 06:53:41,823 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 462 transitions. [2021-11-25 06:53:41,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384 [2021-11-25 06:53:41,825 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:53:41,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:53:41,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:53:42,388 INFO L134 CoverageAnalysis]: Checked inductivity of 10718 backedges. 0 proven. 9333 refuted. 0 times theorem prover too weak. 1385 trivial. 0 not checked. [2021-11-25 06:54:05,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:54:05,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 452 states and 500 transitions. [2021-11-25 06:54:05,652 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 500 transitions. [2021-11-25 06:54:05,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2021-11-25 06:54:05,654 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:54:05,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:54:05,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:54:05,787 INFO L134 CoverageAnalysis]: Checked inductivity of 10895 backedges. 0 proven. 9543 refuted. 0 times theorem prover too weak. 1352 trivial. 0 not checked. [2021-11-25 06:54:07,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:54:07,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 454 states and 501 transitions. [2021-11-25 06:54:07,846 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 501 transitions. [2021-11-25 06:54:07,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2021-11-25 06:54:07,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:54:07,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:54:07,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:54:07,891 INFO L134 CoverageAnalysis]: Checked inductivity of 10974 backedges. 2622 proven. 0 refuted. 0 times theorem prover too weak. 8352 trivial. 0 not checked. [2021-11-25 06:54:10,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:54:10,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 457 states and 504 transitions. [2021-11-25 06:54:10,499 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 504 transitions. [2021-11-25 06:54:10,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2021-11-25 06:54:10,501 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:54:10,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:54:10,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:54:18,907 INFO L134 CoverageAnalysis]: Checked inductivity of 10936 backedges. 7163 proven. 2564 refuted. 0 times theorem prover too weak. 1209 trivial. 0 not checked. [2021-11-25 06:54:22,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:54:22,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 461 states and 507 transitions. [2021-11-25 06:54:22,190 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 507 transitions. [2021-11-25 06:54:22,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2021-11-25 06:54:22,193 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:54:22,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:54:22,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:54:24,190 INFO L134 CoverageAnalysis]: Checked inductivity of 11254 backedges. 0 proven. 9763 refuted. 0 times theorem prover too weak. 1491 trivial. 0 not checked. [2021-11-25 06:54:28,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:54:28,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 467 states and 517 transitions. [2021-11-25 06:54:28,889 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 517 transitions. [2021-11-25 06:54:28,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2021-11-25 06:54:28,891 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:54:28,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:54:28,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:54:29,030 INFO L134 CoverageAnalysis]: Checked inductivity of 11431 backedges. 2 proven. 10010 refuted. 0 times theorem prover too weak. 1419 trivial. 0 not checked. [2021-11-25 06:54:30,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:54:30,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 468 states and 517 transitions. [2021-11-25 06:54:30,346 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 517 transitions. [2021-11-25 06:54:30,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2021-11-25 06:54:30,349 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:54:30,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:54:30,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:54:30,510 INFO L134 CoverageAnalysis]: Checked inductivity of 11431 backedges. 2 proven. 10010 refuted. 0 times theorem prover too weak. 1419 trivial. 0 not checked. [2021-11-25 06:54:31,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:54:31,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 469 states and 517 transitions. [2021-11-25 06:54:31,552 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 517 transitions. [2021-11-25 06:54:31,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 434 [2021-11-25 06:54:31,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:54:31,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:54:31,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:54:32,056 INFO L134 CoverageAnalysis]: Checked inductivity of 14363 backedges. 0 proven. 12662 refuted. 0 times theorem prover too weak. 1701 trivial. 0 not checked. [2021-11-25 06:55:00,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:55:00,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 507 states and 558 transitions. [2021-11-25 06:55:00,754 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 558 transitions. [2021-11-25 06:55:00,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 437 [2021-11-25 06:55:00,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:55:00,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:55:00,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:55:00,922 INFO L134 CoverageAnalysis]: Checked inductivity of 14647 backedges. 0 proven. 12909 refuted. 0 times theorem prover too weak. 1738 trivial. 0 not checked. [2021-11-25 06:55:03,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:55:03,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 509 states and 559 transitions. [2021-11-25 06:55:03,560 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 559 transitions. [2021-11-25 06:55:03,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 433 [2021-11-25 06:55:03,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:55:03,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:55:03,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:55:03,614 INFO L134 CoverageAnalysis]: Checked inductivity of 14588 backedges. 3328 proven. 0 refuted. 0 times theorem prover too weak. 11260 trivial. 0 not checked. [2021-11-25 06:55:06,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:55:06,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 512 states and 562 transitions. [2021-11-25 06:55:06,421 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 562 transitions. [2021-11-25 06:55:06,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2021-11-25 06:55:06,424 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:55:06,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:55:06,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:55:17,320 INFO L134 CoverageAnalysis]: Checked inductivity of 14612 backedges. 9856 proven. 3265 refuted. 0 times theorem prover too weak. 1491 trivial. 0 not checked. [2021-11-25 06:55:20,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:55:20,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 516 states and 565 transitions. [2021-11-25 06:55:20,970 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 565 transitions. [2021-11-25 06:55:20,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 443 [2021-11-25 06:55:20,972 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:55:20,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:55:21,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:55:23,280 INFO L134 CoverageAnalysis]: Checked inductivity of 14898 backedges. 0 proven. 13160 refuted. 0 times theorem prover too weak. 1738 trivial. 0 not checked. [2021-11-25 06:55:28,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:55:28,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 522 states and 575 transitions. [2021-11-25 06:55:28,524 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 575 transitions. [2021-11-25 06:55:28,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 451 [2021-11-25 06:55:28,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:55:28,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:55:28,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:55:28,689 INFO L134 CoverageAnalysis]: Checked inductivity of 15264 backedges. 2 proven. 13447 refuted. 0 times theorem prover too weak. 1815 trivial. 0 not checked. [2021-11-25 06:55:30,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:55:30,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 523 states and 575 transitions. [2021-11-25 06:55:30,195 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 575 transitions. [2021-11-25 06:55:30,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 451 [2021-11-25 06:55:30,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:55:30,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:55:30,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:55:30,408 INFO L134 CoverageAnalysis]: Checked inductivity of 15264 backedges. 2 proven. 13447 refuted. 0 times theorem prover too weak. 1815 trivial. 0 not checked. [2021-11-25 06:55:31,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:55:31,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 524 states and 575 transitions. [2021-11-25 06:55:31,586 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 575 transitions. [2021-11-25 06:55:31,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 487 [2021-11-25 06:55:31,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:55:31,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:55:31,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:55:32,275 INFO L134 CoverageAnalysis]: Checked inductivity of 18876 backedges. 0 proven. 16814 refuted. 0 times theorem prover too weak. 2062 trivial. 0 not checked. [2021-11-25 06:56:06,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:56:06,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 565 states and 619 transitions. [2021-11-25 06:56:06,637 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 619 transitions. [2021-11-25 06:56:06,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 485 [2021-11-25 06:56:06,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:56:06,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:56:06,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:56:06,834 INFO L134 CoverageAnalysis]: Checked inductivity of 19126 backedges. 0 proven. 17101 refuted. 0 times theorem prover too weak. 2025 trivial. 0 not checked. [2021-11-25 06:56:09,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:56:09,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 567 states and 620 transitions. [2021-11-25 06:56:09,653 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 620 transitions. [2021-11-25 06:56:09,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 486 [2021-11-25 06:56:09,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:56:09,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:56:09,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:56:09,733 INFO L134 CoverageAnalysis]: Checked inductivity of 19140 backedges. 4151 proven. 0 refuted. 0 times theorem prover too weak. 14989 trivial. 0 not checked. [2021-11-25 06:56:13,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:56:13,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 570 states and 623 transitions. [2021-11-25 06:56:13,059 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 623 transitions. [2021-11-25 06:56:13,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 493 [2021-11-25 06:56:13,061 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:56:13,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:56:13,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:56:26,324 INFO L134 CoverageAnalysis]: Checked inductivity of 19158 backedges. 13260 proven. 4083 refuted. 0 times theorem prover too weak. 1815 trivial. 0 not checked. [2021-11-25 06:56:30,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:56:30,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 574 states and 626 transitions. [2021-11-25 06:56:30,461 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 626 transitions. [2021-11-25 06:56:30,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 496 [2021-11-25 06:56:30,464 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:56:30,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:56:30,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:56:32,931 INFO L134 CoverageAnalysis]: Checked inductivity of 19487 backedges. 0 proven. 17385 refuted. 0 times theorem prover too weak. 2102 trivial. 0 not checked. [2021-11-25 06:56:38,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:56:38,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 580 states and 636 transitions. [2021-11-25 06:56:38,852 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 636 transitions. [2021-11-25 06:56:38,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 499 [2021-11-25 06:56:38,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:56:38,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:56:38,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:56:39,022 INFO L134 CoverageAnalysis]: Checked inductivity of 19819 backedges. 2 proven. 17715 refuted. 0 times theorem prover too weak. 2102 trivial. 0 not checked. [2021-11-25 06:56:40,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:56:40,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 581 states and 636 transitions. [2021-11-25 06:56:40,793 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 636 transitions. [2021-11-25 06:56:40,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 499 [2021-11-25 06:56:40,795 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:56:40,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:56:40,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:56:40,974 INFO L134 CoverageAnalysis]: Checked inductivity of 19819 backedges. 2 proven. 17715 refuted. 0 times theorem prover too weak. 2102 trivial. 0 not checked. [2021-11-25 06:56:42,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:56:42,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 582 states and 636 transitions. [2021-11-25 06:56:42,265 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 636 transitions. [2021-11-25 06:56:42,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 543 [2021-11-25 06:56:42,268 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:56:42,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:56:42,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:56:43,082 INFO L134 CoverageAnalysis]: Checked inductivity of 24386 backedges. 0 proven. 21915 refuted. 0 times theorem prover too weak. 2471 trivial. 0 not checked. [2021-11-25 06:57:24,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:57:24,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 626 states and 683 transitions. [2021-11-25 06:57:24,489 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 683 transitions. [2021-11-25 06:57:24,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 541 [2021-11-25 06:57:24,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:57:24,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:57:24,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:57:24,704 INFO L134 CoverageAnalysis]: Checked inductivity of 24677 backedges. 0 proven. 22245 refuted. 0 times theorem prover too weak. 2432 trivial. 0 not checked. [2021-11-25 06:57:27,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:57:27,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 628 states and 684 transitions. [2021-11-25 06:57:27,995 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 684 transitions. [2021-11-25 06:57:27,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 547 [2021-11-25 06:57:27,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:57:27,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:57:28,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:57:28,062 INFO L134 CoverageAnalysis]: Checked inductivity of 24774 backedges. 5100 proven. 0 refuted. 0 times theorem prover too weak. 19674 trivial. 0 not checked. [2021-11-25 06:57:31,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:57:31,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 631 states and 687 transitions. [2021-11-25 06:57:31,689 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 687 transitions. [2021-11-25 06:57:31,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 554 [2021-11-25 06:57:31,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:57:31,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:57:31,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:57:47,670 INFO L134 CoverageAnalysis]: Checked inductivity of 24790 backedges. 17492 proven. 5027 refuted. 0 times theorem prover too weak. 2271 trivial. 0 not checked. [2021-11-25 06:57:52,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:57:52,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 635 states and 690 transitions. [2021-11-25 06:57:52,453 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 690 transitions. [2021-11-25 06:57:52,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 557 [2021-11-25 06:57:52,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:57:52,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:57:52,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:57:55,201 INFO L134 CoverageAnalysis]: Checked inductivity of 25165 backedges. 0 proven. 22564 refuted. 0 times theorem prover too weak. 2601 trivial. 0 not checked. [2021-11-25 06:58:02,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:58:02,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 641 states and 700 transitions. [2021-11-25 06:58:02,027 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 700 transitions. [2021-11-25 06:58:02,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 555 [2021-11-25 06:58:02,030 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:58:02,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:58:02,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:58:02,223 INFO L134 CoverageAnalysis]: Checked inductivity of 25456 backedges. 2 proven. 22940 refuted. 0 times theorem prover too weak. 2514 trivial. 0 not checked. [2021-11-25 06:58:04,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:58:04,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 642 states and 700 transitions. [2021-11-25 06:58:04,297 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 700 transitions. [2021-11-25 06:58:04,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 555 [2021-11-25 06:58:04,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:58:04,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:58:04,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:58:04,500 INFO L134 CoverageAnalysis]: Checked inductivity of 25456 backedges. 2 proven. 22940 refuted. 0 times theorem prover too weak. 2514 trivial. 0 not checked. [2021-11-25 06:58:06,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:58:06,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 643 states and 700 transitions. [2021-11-25 06:58:06,161 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 700 transitions. [2021-11-25 06:58:06,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 597 [2021-11-25 06:58:06,164 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:58:06,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:58:06,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:58:07,089 INFO L134 CoverageAnalysis]: Checked inductivity of 30944 backedges. 0 proven. 28100 refuted. 0 times theorem prover too weak. 2844 trivial. 0 not checked. [2021-11-25 06:58:55,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:58:55,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 690 states and 750 transitions. [2021-11-25 06:58:55,379 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 750 transitions. [2021-11-25 06:58:55,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 605 [2021-11-25 06:58:55,382 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:58:55,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:58:55,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:58:55,638 INFO L134 CoverageAnalysis]: Checked inductivity of 31453 backedges. 0 proven. 28476 refuted. 0 times theorem prover too weak. 2977 trivial. 0 not checked. [2021-11-25 06:58:59,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:58:59,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 692 states and 751 transitions. [2021-11-25 06:58:59,285 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 751 transitions. [2021-11-25 06:58:59,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 606 [2021-11-25 06:58:59,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:58:59,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:58:59,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:58:59,366 INFO L134 CoverageAnalysis]: Checked inductivity of 31469 backedges. 6184 proven. 0 refuted. 0 times theorem prover too weak. 25285 trivial. 0 not checked. [2021-11-25 06:59:03,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:59:03,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 695 states and 754 transitions. [2021-11-25 06:59:03,372 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 754 transitions. [2021-11-25 06:59:03,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 608 [2021-11-25 06:59:03,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:59:03,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:59:03,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:59:22,468 INFO L134 CoverageAnalysis]: Checked inductivity of 31385 backedges. 22678 proven. 6106 refuted. 0 times theorem prover too weak. 2601 trivial. 0 not checked. [2021-11-25 06:59:27,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:59:27,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 699 states and 757 transitions. [2021-11-25 06:59:27,567 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 757 transitions. [2021-11-25 06:59:27,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 616 [2021-11-25 06:59:27,571 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:59:27,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:59:27,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:59:30,704 INFO L134 CoverageAnalysis]: Checked inductivity of 31901 backedges. 0 proven. 28832 refuted. 0 times theorem prover too weak. 3069 trivial. 0 not checked. [2021-11-25 06:59:38,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:59:38,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 705 states and 767 transitions. [2021-11-25 06:59:38,431 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 767 transitions. [2021-11-25 06:59:38,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 614 [2021-11-25 06:59:38,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:59:38,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:59:38,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:59:38,673 INFO L134 CoverageAnalysis]: Checked inductivity of 32236 backedges. 2 proven. 29257 refuted. 0 times theorem prover too weak. 2977 trivial. 0 not checked. [2021-11-25 06:59:40,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:59:40,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 706 states and 767 transitions. [2021-11-25 06:59:40,827 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 767 transitions. [2021-11-25 06:59:40,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 619 [2021-11-25 06:59:40,830 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:59:40,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:59:40,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:59:41,056 INFO L134 CoverageAnalysis]: Checked inductivity of 32328 backedges. 2 proven. 29257 refuted. 0 times theorem prover too weak. 3069 trivial. 0 not checked. [2021-11-25 06:59:42,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:59:42,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 707 states and 767 transitions. [2021-11-25 06:59:42,886 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 767 transitions. [2021-11-25 06:59:42,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 664 [2021-11-25 06:59:42,889 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:59:42,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:59:43,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:59:43,841 INFO L134 CoverageAnalysis]: Checked inductivity of 38958 backedges. 0 proven. 35513 refuted. 0 times theorem prover too weak. 3445 trivial. 0 not checked. [2021-11-25 07:00:41,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:00:41,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 757 states and 820 transitions. [2021-11-25 07:00:41,307 INFO L276 IsEmpty]: Start isEmpty. Operand 757 states and 820 transitions. [2021-11-25 07:00:41,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 662 [2021-11-25 07:00:41,312 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:00:41,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:00:41,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:00:41,633 INFO L134 CoverageAnalysis]: Checked inductivity of 39340 backedges. 0 proven. 35938 refuted. 0 times theorem prover too weak. 3402 trivial. 0 not checked. [2021-11-25 07:00:45,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:00:45,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 901 states to 759 states and 821 transitions. [2021-11-25 07:00:45,616 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states and 821 transitions. [2021-11-25 07:00:45,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 668 [2021-11-25 07:00:45,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:00:45,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:00:45,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:00:45,699 INFO L134 CoverageAnalysis]: Checked inductivity of 39449 backedges. 7412 proven. 0 refuted. 0 times theorem prover too weak. 32037 trivial. 0 not checked. [2021-11-25 07:00:50,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:00:50,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 762 states and 824 transitions. [2021-11-25 07:00:50,331 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states and 824 transitions. [2021-11-25 07:00:50,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 670 [2021-11-25 07:00:50,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:00:50,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:00:50,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat