./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety-ext2/optional_data_creation_test04-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b46a0f-b6ca-4b5b-a917-d837adb29ca0/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b46a0f-b6ca-4b5b-a917-d837adb29ca0/bin/ukojak-vF6T2TMglN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b46a0f-b6ca-4b5b-a917-d837adb29ca0/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b46a0f-b6ca-4b5b-a917-d837adb29ca0/bin/ukojak-vF6T2TMglN/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext2/optional_data_creation_test04-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b46a0f-b6ca-4b5b-a917-d837adb29ca0/bin/ukojak-vF6T2TMglN/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b46a0f-b6ca-4b5b-a917-d837adb29ca0/bin/ukojak-vF6T2TMglN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7408f3b7e084094987873e007e2bbb0a022372240d1ad946af6301d3e9707406 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 05:58:36,100 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 05:58:36,103 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 05:58:36,140 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 05:58:36,141 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 05:58:36,142 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 05:58:36,144 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 05:58:36,146 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 05:58:36,149 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 05:58:36,150 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 05:58:36,151 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 05:58:36,153 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 05:58:36,153 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 05:58:36,154 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 05:58:36,156 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 05:58:36,157 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 05:58:36,159 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 05:58:36,160 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 05:58:36,166 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 05:58:36,171 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 05:58:36,179 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 05:58:36,185 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 05:58:36,187 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 05:58:36,188 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 05:58:36,197 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 05:58:36,198 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 05:58:36,198 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 05:58:36,199 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 05:58:36,202 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 05:58:36,203 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 05:58:36,204 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 05:58:36,205 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 05:58:36,207 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 05:58:36,208 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 05:58:36,209 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 05:58:36,211 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 05:58:36,212 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 05:58:36,212 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 05:58:36,213 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 05:58:36,214 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 05:58:36,214 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 05:58:36,215 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b46a0f-b6ca-4b5b-a917-d837adb29ca0/bin/ukojak-vF6T2TMglN/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-21 05:58:36,255 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 05:58:36,263 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 05:58:36,265 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 05:58:36,265 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 05:58:36,265 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 05:58:36,266 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 05:58:36,266 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 05:58:36,266 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 05:58:36,266 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 05:58:36,267 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 05:58:36,268 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-21 05:58:36,274 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-21 05:58:36,274 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-21 05:58:36,274 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 05:58:36,275 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 05:58:36,275 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 05:58:36,275 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 05:58:36,275 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 05:58:36,276 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 05:58:36,276 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:58:36,276 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 05:58:36,276 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 05:58:36,277 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 05:58:36,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 05:58:36,277 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_80b46a0f-b6ca-4b5b-a917-d837adb29ca0/bin/ukojak-vF6T2TMglN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b46a0f-b6ca-4b5b-a917-d837adb29ca0/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7408f3b7e084094987873e007e2bbb0a022372240d1ad946af6301d3e9707406 [2021-11-21 05:58:36,556 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 05:58:36,581 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 05:58:36,584 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 05:58:36,585 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 05:58:36,586 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 05:58:36,587 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b46a0f-b6ca-4b5b-a917-d837adb29ca0/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/memsafety-ext2/optional_data_creation_test04-1.i [2021-11-21 05:58:36,685 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b46a0f-b6ca-4b5b-a917-d837adb29ca0/bin/ukojak-vF6T2TMglN/data/bb9e2c1a0/0366d1231f204d9fb64465c393b0c46b/FLAGe9696f72b [2021-11-21 05:58:37,206 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 05:58:37,207 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b46a0f-b6ca-4b5b-a917-d837adb29ca0/sv-benchmarks/c/memsafety-ext2/optional_data_creation_test04-1.i [2021-11-21 05:58:37,221 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b46a0f-b6ca-4b5b-a917-d837adb29ca0/bin/ukojak-vF6T2TMglN/data/bb9e2c1a0/0366d1231f204d9fb64465c393b0c46b/FLAGe9696f72b [2021-11-21 05:58:37,498 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b46a0f-b6ca-4b5b-a917-d837adb29ca0/bin/ukojak-vF6T2TMglN/data/bb9e2c1a0/0366d1231f204d9fb64465c393b0c46b [2021-11-21 05:58:37,501 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 05:58:37,502 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 05:58:37,506 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 05:58:37,507 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 05:58:37,510 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 05:58:37,511 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:58:37" (1/1) ... [2021-11-21 05:58:37,512 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c59dc9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:58:37, skipping insertion in model container [2021-11-21 05:58:37,512 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:58:37" (1/1) ... [2021-11-21 05:58:37,519 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 05:58:37,554 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 05:58:37,884 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:58:37,892 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 05:58:37,933 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:58:37,972 INFO L208 MainTranslator]: Completed translation [2021-11-21 05:58:37,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:58:37 WrapperNode [2021-11-21 05:58:37,973 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 05:58:37,976 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 05:58:37,976 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 05:58:37,976 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 05:58:37,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:58:37" (1/1) ... [2021-11-21 05:58:38,003 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:58:37" (1/1) ... [2021-11-21 05:58:38,030 INFO L137 Inliner]: procedures = 126, calls = 37, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 114 [2021-11-21 05:58:38,031 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 05:58:38,032 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 05:58:38,032 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 05:58:38,032 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 05:58:38,045 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:58:37" (1/1) ... [2021-11-21 05:58:38,047 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:58:37" (1/1) ... [2021-11-21 05:58:38,052 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:58:37" (1/1) ... [2021-11-21 05:58:38,056 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:58:37" (1/1) ... [2021-11-21 05:58:38,074 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:58:37" (1/1) ... [2021-11-21 05:58:38,091 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:58:37" (1/1) ... [2021-11-21 05:58:38,096 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:58:37" (1/1) ... [2021-11-21 05:58:38,110 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 05:58:38,112 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 05:58:38,112 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 05:58:38,112 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 05:58:38,113 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:58:37" (1/1) ... [2021-11-21 05:58:38,120 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:58:38,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b46a0f-b6ca-4b5b-a917-d837adb29ca0/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 05:58:38,151 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b46a0f-b6ca-4b5b-a917-d837adb29ca0/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 05:58:38,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b46a0f-b6ca-4b5b-a917-d837adb29ca0/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 05:58:38,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 05:58:38,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 05:58:38,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 05:58:38,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 05:58:38,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 05:58:38,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 05:58:38,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 05:58:38,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-21 05:58:38,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 05:58:38,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 05:58:38,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 05:58:38,347 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 05:58:38,348 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 05:58:38,691 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 05:58:38,725 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 05:58:38,725 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-21 05:58:38,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:58:38 BoogieIcfgContainer [2021-11-21 05:58:38,728 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 05:58:38,729 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 05:58:38,729 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 05:58:38,739 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 05:58:38,739 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:58:38" (1/1) ... [2021-11-21 05:58:38,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 05:58:38,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:38,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 88 states and 96 transitions. [2021-11-21 05:58:38,803 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 96 transitions. [2021-11-21 05:58:38,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-21 05:58:38,807 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:38,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:38,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:39,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:58:39,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:39,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 90 states and 99 transitions. [2021-11-21 05:58:39,108 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 99 transitions. [2021-11-21 05:58:39,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-21 05:58:39,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:39,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:39,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:39,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:58:39,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:39,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 92 states and 102 transitions. [2021-11-21 05:58:39,484 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 102 transitions. [2021-11-21 05:58:39,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 05:58:39,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:39,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:39,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:39,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:58:39,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:39,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 93 states and 104 transitions. [2021-11-21 05:58:39,709 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 104 transitions. [2021-11-21 05:58:39,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 05:58:39,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:39,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:39,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:39,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:58:40,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:40,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 94 states and 106 transitions. [2021-11-21 05:58:40,018 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 106 transitions. [2021-11-21 05:58:40,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-21 05:58:40,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:40,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:40,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:40,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:58:40,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:40,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 96 states and 109 transitions. [2021-11-21 05:58:40,087 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 109 transitions. [2021-11-21 05:58:40,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-21 05:58:40,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:40,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:40,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:40,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:58:40,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:40,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 99 states and 115 transitions. [2021-11-21 05:58:40,380 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 115 transitions. [2021-11-21 05:58:40,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-21 05:58:40,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:40,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:40,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:40,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:58:40,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:40,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 98 states and 114 transitions. [2021-11-21 05:58:40,512 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 114 transitions. [2021-11-21 05:58:40,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-21 05:58:40,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:40,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:40,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:40,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:58:40,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:40,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 97 states and 113 transitions. [2021-11-21 05:58:40,743 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 113 transitions. [2021-11-21 05:58:40,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-21 05:58:40,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:40,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:40,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:40,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:58:40,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:40,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 96 states and 112 transitions. [2021-11-21 05:58:40,803 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 112 transitions. [2021-11-21 05:58:40,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-21 05:58:40,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:40,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:40,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:40,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:58:40,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:40,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 95 states and 111 transitions. [2021-11-21 05:58:40,873 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 111 transitions. [2021-11-21 05:58:40,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 05:58:40,875 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:40,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:40,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:40,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:58:41,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:41,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 99 states and 119 transitions. [2021-11-21 05:58:41,181 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 119 transitions. [2021-11-21 05:58:41,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 05:58:41,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:41,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:41,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:41,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:58:41,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:41,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 104 states and 129 transitions. [2021-11-21 05:58:41,854 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 129 transitions. [2021-11-21 05:58:41,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 05:58:41,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:41,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:41,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:41,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:58:41,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:41,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 106 states and 132 transitions. [2021-11-21 05:58:41,918 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 132 transitions. [2021-11-21 05:58:41,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 05:58:41,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:41,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:41,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:42,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:58:42,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:42,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 108 states and 139 transitions. [2021-11-21 05:58:42,285 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 139 transitions. [2021-11-21 05:58:42,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 05:58:42,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:42,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:42,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:42,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:58:42,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:42,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 110 states and 142 transitions. [2021-11-21 05:58:42,346 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 142 transitions. [2021-11-21 05:58:42,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 05:58:42,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:42,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:42,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:42,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:58:42,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:42,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 112 states and 145 transitions. [2021-11-21 05:58:42,427 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 145 transitions. [2021-11-21 05:58:42,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-21 05:58:42,429 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:42,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:42,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:42,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:58:43,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:43,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 119 states and 159 transitions. [2021-11-21 05:58:43,374 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 159 transitions. [2021-11-21 05:58:43,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-21 05:58:43,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:43,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:43,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:43,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:58:44,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:44,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 126 states and 176 transitions. [2021-11-21 05:58:44,710 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 176 transitions. [2021-11-21 05:58:44,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-21 05:58:44,710 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:44,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:44,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:44,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:58:45,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:45,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 129 states and 182 transitions. [2021-11-21 05:58:45,357 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 182 transitions. [2021-11-21 05:58:45,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-21 05:58:45,357 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:45,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:45,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:45,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:58:46,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:46,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 132 states and 190 transitions. [2021-11-21 05:58:46,512 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 190 transitions. [2021-11-21 05:58:46,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 05:58:46,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:46,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:46,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:46,650 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:58:46,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:46,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 134 states and 194 transitions. [2021-11-21 05:58:46,998 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 194 transitions. [2021-11-21 05:58:46,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 05:58:46,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:46,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:47,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:47,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:58:47,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:47,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 139 states and 212 transitions. [2021-11-21 05:58:47,724 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 212 transitions. [2021-11-21 05:58:47,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 05:58:47,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:47,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:47,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:47,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:58:48,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:48,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 141 states and 215 transitions. [2021-11-21 05:58:48,400 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 215 transitions. [2021-11-21 05:58:48,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-21 05:58:48,401 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:48,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:48,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:48,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:58:48,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:48,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 140 states and 214 transitions. [2021-11-21 05:58:48,426 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 214 transitions. [2021-11-21 05:58:48,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-21 05:58:48,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:48,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:48,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:48,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:58:48,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:48,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 142 states and 217 transitions. [2021-11-21 05:58:48,506 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 217 transitions. [2021-11-21 05:58:48,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-21 05:58:48,506 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:48,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:48,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:48,526 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:58:48,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:48,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 142 states and 216 transitions. [2021-11-21 05:58:48,854 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 216 transitions. [2021-11-21 05:58:48,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-21 05:58:48,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:48,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:48,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:48,869 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:58:49,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:49,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 142 states and 215 transitions. [2021-11-21 05:58:49,196 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 215 transitions. [2021-11-21 05:58:49,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-21 05:58:49,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:49,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:49,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:49,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:58:49,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:49,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 146 states and 223 transitions. [2021-11-21 05:58:49,908 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 223 transitions. [2021-11-21 05:58:49,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-21 05:58:49,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:49,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:49,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:50,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:58:50,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:50,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 150 states and 230 transitions. [2021-11-21 05:58:50,727 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 230 transitions. [2021-11-21 05:58:50,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-21 05:58:50,728 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:50,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:50,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:50,743 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:58:50,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:50,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 150 states and 229 transitions. [2021-11-21 05:58:50,990 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 229 transitions. [2021-11-21 05:58:50,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-21 05:58:50,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:50,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:50,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:51,010 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:58:51,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:51,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 151 states and 229 transitions. [2021-11-21 05:58:51,321 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 229 transitions. [2021-11-21 05:58:51,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-21 05:58:51,321 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:51,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:51,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:51,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:58:53,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:53,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 159 states and 249 transitions. [2021-11-21 05:58:53,928 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 249 transitions. [2021-11-21 05:58:53,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-21 05:58:53,928 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:53,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:53,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:54,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:58:56,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:56,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 164 states and 261 transitions. [2021-11-21 05:58:56,072 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 261 transitions. [2021-11-21 05:58:56,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-21 05:58:56,072 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:56,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:56,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:56,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:58:58,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:58:58,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 172 states and 277 transitions. [2021-11-21 05:58:58,912 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 277 transitions. [2021-11-21 05:58:58,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-21 05:58:58,913 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:58:58,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:58:58,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:58:59,339 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:59:00,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:59:00,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 175 states and 281 transitions. [2021-11-21 05:59:00,810 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 281 transitions. [2021-11-21 05:59:00,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-21 05:59:00,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:59:00,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:59:00,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:59:01,543 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:59:03,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:59:03,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 178 states and 290 transitions. [2021-11-21 05:59:03,982 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 290 transitions. [2021-11-21 05:59:03,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-21 05:59:03,982 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:59:03,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:59:03,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:59:03,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:59:04,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:59:04,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 179 states and 292 transitions. [2021-11-21 05:59:04,515 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 292 transitions. [2021-11-21 05:59:04,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-21 05:59:04,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:59:04,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:59:04,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:59:04,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:59:05,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:59:05,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 181 states and 295 transitions. [2021-11-21 05:59:05,082 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 295 transitions. [2021-11-21 05:59:05,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-21 05:59:05,082 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:59:05,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:59:05,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:59:05,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:59:06,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:59:06,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 185 states and 302 transitions. [2021-11-21 05:59:06,378 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 302 transitions. [2021-11-21 05:59:06,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-21 05:59:06,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:59:06,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:59:06,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:59:06,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:59:07,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:59:07,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 189 states and 309 transitions. [2021-11-21 05:59:07,493 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 309 transitions. [2021-11-21 05:59:07,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-21 05:59:07,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:59:07,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:59:07,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:59:07,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:59:08,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:59:08,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 191 states and 313 transitions. [2021-11-21 05:59:08,524 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 313 transitions. [2021-11-21 05:59:08,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-21 05:59:08,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:59:08,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:59:08,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:59:09,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:59:10,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:59:10,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 193 states and 317 transitions. [2021-11-21 05:59:10,379 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 317 transitions. [2021-11-21 05:59:10,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-21 05:59:10,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:59:10,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:59:10,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:59:10,400 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-21 05:59:10,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:59:10,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 194 states and 318 transitions. [2021-11-21 05:59:10,895 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 318 transitions. [2021-11-21 05:59:10,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-21 05:59:10,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:59:10,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:59:10,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:59:10,912 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-21 05:59:11,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:59:11,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 194 states and 317 transitions. [2021-11-21 05:59:11,544 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 317 transitions. [2021-11-21 05:59:11,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 05:59:11,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:59:11,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:59:11,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:59:11,755 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:59:13,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:59:13,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 197 states and 322 transitions. [2021-11-21 05:59:13,829 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 322 transitions. [2021-11-21 05:59:13,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 05:59:13,830 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:59:13,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:59:13,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:59:14,798 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:59:17,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:59:17,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 200 states and 331 transitions. [2021-11-21 05:59:17,779 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 331 transitions. [2021-11-21 05:59:17,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 05:59:17,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:59:17,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:59:17,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:59:19,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:59:27,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:59:27,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 213 states and 356 transitions. [2021-11-21 05:59:27,559 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 356 transitions. [2021-11-21 05:59:27,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 05:59:27,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:59:27,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:59:27,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:59:27,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:59:29,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:59:29,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 217 states and 363 transitions. [2021-11-21 05:59:29,414 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 363 transitions. [2021-11-21 05:59:29,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:59:29,414 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:59:29,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:59:29,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:59:29,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:59:30,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:59:30,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 220 states and 368 transitions. [2021-11-21 05:59:30,760 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 368 transitions. [2021-11-21 05:59:30,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:59:30,760 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:59:30,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:59:30,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:59:30,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:59:32,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:59:32,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 224 states and 374 transitions. [2021-11-21 05:59:32,139 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 374 transitions. [2021-11-21 05:59:32,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:59:32,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:59:32,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:59:32,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:59:32,162 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:59:32,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:59:32,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 223 states and 372 transitions. [2021-11-21 05:59:32,894 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 372 transitions. [2021-11-21 05:59:32,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:59:32,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:59:32,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:59:32,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:59:32,939 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:59:33,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:59:33,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 222 states and 370 transitions. [2021-11-21 05:59:33,733 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 370 transitions. [2021-11-21 05:59:33,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:59:33,733 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:59:33,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:59:33,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:59:33,751 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-21 05:59:34,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:59:34,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 222 states and 369 transitions. [2021-11-21 05:59:34,360 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 369 transitions. [2021-11-21 05:59:34,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:59:34,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:59:34,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:59:34,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:59:34,385 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-21 05:59:35,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:59:35,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 223 states and 369 transitions. [2021-11-21 05:59:35,070 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 369 transitions. [2021-11-21 05:59:35,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-21 05:59:35,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:59:35,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:59:35,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:59:35,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:59:38,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:59:38,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 227 states and 375 transitions. [2021-11-21 05:59:38,409 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 375 transitions. [2021-11-21 05:59:38,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-21 05:59:38,410 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:59:38,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:59:38,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:59:38,461 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-21 05:59:41,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:59:41,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 230 states and 380 transitions. [2021-11-21 05:59:41,062 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 380 transitions. [2021-11-21 05:59:41,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-21 05:59:41,062 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:59:41,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:59:41,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:59:42,369 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:59:46,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:59:46,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 233 states and 389 transitions. [2021-11-21 05:59:46,359 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 389 transitions. [2021-11-21 05:59:46,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 05:59:46,359 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:59:46,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:59:46,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:59:47,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:00:00,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:00:00,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 250 states and 419 transitions. [2021-11-21 06:00:00,804 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 419 transitions. [2021-11-21 06:00:00,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 06:00:00,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:00:00,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:00:00,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:00:01,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:00:06,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:00:06,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 256 states and 428 transitions. [2021-11-21 06:00:06,191 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 428 transitions. [2021-11-21 06:00:06,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 06:00:06,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:00:06,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:00:06,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:00:06,224 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:00:07,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:00:07,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 254 states and 424 transitions. [2021-11-21 06:00:07,399 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 424 transitions. [2021-11-21 06:00:07,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 06:00:07,399 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:00:07,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:00:07,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:00:09,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:00:24,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:00:24,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 270 states and 454 transitions. [2021-11-21 06:00:24,639 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 454 transitions. [2021-11-21 06:00:24,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 06:00:24,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:00:24,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:00:24,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:00:27,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:00:44,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:00:44,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 284 states and 481 transitions. [2021-11-21 06:00:44,590 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 481 transitions. [2021-11-21 06:00:44,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 06:00:44,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:00:44,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:00:44,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:00:44,609 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-21 06:00:45,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:00:45,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 284 states and 480 transitions. [2021-11-21 06:00:45,603 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 480 transitions. [2021-11-21 06:00:45,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 06:00:45,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:00:45,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:00:45,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:00:45,626 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-21 06:00:46,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:00:46,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 285 states and 480 transitions. [2021-11-21 06:00:46,754 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 480 transitions. [2021-11-21 06:00:46,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 06:00:46,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:00:46,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:00:46,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:00:47,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:01:00,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:00,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 296 states and 497 transitions. [2021-11-21 06:01:00,491 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 497 transitions. [2021-11-21 06:01:00,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 06:01:00,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:00,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:00,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:00,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:01:03,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:03,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 300 states and 501 transitions. [2021-11-21 06:01:03,904 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 501 transitions. [2021-11-21 06:01:03,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 06:01:03,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:03,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:03,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:03,970 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-21 06:01:08,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:08,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 303 states and 506 transitions. [2021-11-21 06:01:08,237 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 506 transitions. [2021-11-21 06:01:08,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 06:01:08,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:08,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:08,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:10,320 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:01:16,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:16,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 306 states and 515 transitions. [2021-11-21 06:01:16,860 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 515 transitions. [2021-11-21 06:01:16,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 06:01:16,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:16,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:16,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:16,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:01:16,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:16,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 305 states and 514 transitions. [2021-11-21 06:01:16,895 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 514 transitions. [2021-11-21 06:01:16,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 06:01:16,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:16,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:16,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:17,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:01:18,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:18,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 304 states and 513 transitions. [2021-11-21 06:01:18,917 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 513 transitions. [2021-11-21 06:01:18,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-21 06:01:18,917 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:18,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:18,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:21,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:01:26,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:26,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 306 states and 517 transitions. [2021-11-21 06:01:26,049 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 517 transitions. [2021-11-21 06:01:26,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 06:01:26,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:26,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:26,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:26,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:01:27,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:27,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 310 states and 525 transitions. [2021-11-21 06:01:27,755 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 525 transitions. [2021-11-21 06:01:27,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 06:01:27,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:27,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:27,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:28,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:01:32,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:01:32,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 312 states and 527 transitions. [2021-11-21 06:01:32,512 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 527 transitions. [2021-11-21 06:01:32,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 06:01:32,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:01:32,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:01:32,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:01:35,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:02:01,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:02:01,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 329 states and 560 transitions. [2021-11-21 06:02:01,119 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 560 transitions. [2021-11-21 06:02:01,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 06:02:01,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:02:01,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:02:01,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:02:01,141 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-21 06:02:02,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:02:02,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 330 states and 561 transitions. [2021-11-21 06:02:02,476 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 561 transitions. [2021-11-21 06:02:02,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 06:02:02,476 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:02:02,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:02:02,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:02:02,494 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-21 06:02:03,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:02:03,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 330 states and 560 transitions. [2021-11-21 06:02:03,854 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 560 transitions. [2021-11-21 06:02:03,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 06:02:03,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:02:03,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:02:03,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:02:03,964 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:02:04,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:02:04,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 331 states and 560 transitions. [2021-11-21 06:02:04,991 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 560 transitions. [2021-11-21 06:02:04,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 06:02:04,991 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:02:04,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:02:04,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:02:06,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:02:38,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:02:38,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 355 states and 613 transitions. [2021-11-21 06:02:38,088 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 613 transitions. [2021-11-21 06:02:38,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 06:02:38,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:02:38,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:02:38,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:02:38,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:02:40,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:02:40,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 358 states and 623 transitions. [2021-11-21 06:02:40,869 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 623 transitions. [2021-11-21 06:02:40,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 06:02:40,870 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:02:40,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:02:40,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:02:40,939 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-21 06:02:46,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:02:46,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 361 states and 628 transitions. [2021-11-21 06:02:46,480 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 628 transitions. [2021-11-21 06:02:46,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 06:02:46,481 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:02:46,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:02:46,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:02:49,081 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:02:57,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:02:57,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 364 states and 637 transitions. [2021-11-21 06:02:57,809 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 637 transitions. [2021-11-21 06:02:57,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 06:02:57,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:02:57,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:02:57,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:03:04,476 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:03:52,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:03:52,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 385 states and 678 transitions. [2021-11-21 06:03:52,197 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 678 transitions. [2021-11-21 06:03:52,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 06:03:52,198 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:03:52,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:03:52,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:03:55,716 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:04:51,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:04:51,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 410 states and 736 transitions. [2021-11-21 06:04:51,502 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 736 transitions. [2021-11-21 06:04:51,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 06:04:51,503 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:04:51,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:04:51,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:04:53,015 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:04:56,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:04:56,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 738 states to 412 states and 738 transitions. [2021-11-21 06:04:56,914 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 738 transitions. [2021-11-21 06:04:56,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 06:04:56,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:04:56,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:04:56,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:04:58,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:05:00,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:05:00,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 413 states and 742 transitions. [2021-11-21 06:05:00,629 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 742 transitions. [2021-11-21 06:05:00,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-21 06:05:00,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:05:00,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:05:00,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:05:00,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:05:08,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:05:08,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 417 states and 745 transitions. [2021-11-21 06:05:08,205 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 745 transitions. [2021-11-21 06:05:08,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-21 06:05:08,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:05:08,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:05:08,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:05:11,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:06:05,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:06:05,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 441 states and 796 transitions. [2021-11-21 06:06:05,496 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 796 transitions. [2021-11-21 06:06:05,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-21 06:06:05,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:06:05,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:06:05,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:06:05,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:06:20,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:06:20,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 448 states and 809 transitions. [2021-11-21 06:06:20,314 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 809 transitions. [2021-11-21 06:06:20,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-21 06:06:20,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:06:20,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:06:20,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:06:20,342 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-21 06:06:22,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:06:22,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 448 states and 808 transitions. [2021-11-21 06:06:22,454 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 808 transitions. [2021-11-21 06:06:22,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-21 06:06:22,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:06:22,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:06:22,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:06:22,482 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-21 06:06:25,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:06:25,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 449 states and 808 transitions. [2021-11-21 06:06:25,106 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 808 transitions. [2021-11-21 06:06:25,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 06:06:25,110 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:06:25,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:06:25,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:06:25,148 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:06:27,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:06:27,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 447 states and 804 transitions. [2021-11-21 06:06:27,810 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 804 transitions. [2021-11-21 06:06:27,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 06:06:27,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:06:27,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:06:27,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:06:27,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:06:36,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:06:36,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 451 states and 807 transitions. [2021-11-21 06:06:36,797 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 807 transitions. [2021-11-21 06:06:36,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 06:06:36,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:06:36,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:06:36,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:06:36,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:06:54,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:06:54,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 457 states and 819 transitions. [2021-11-21 06:06:54,045 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 819 transitions. [2021-11-21 06:06:54,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 06:06:54,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:06:54,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:06:54,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:06:54,125 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-21 06:07:02,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:07:02,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 460 states and 824 transitions. [2021-11-21 06:07:02,127 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 824 transitions. [2021-11-21 06:07:02,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 06:07:02,128 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:07:02,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:07:02,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:07:06,119 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:07:18,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:07:18,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 463 states and 833 transitions. [2021-11-21 06:07:18,821 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 833 transitions. [2021-11-21 06:07:18,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-21 06:07:18,822 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:07:18,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:07:18,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:07:21,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:07:36,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:07:36,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 466 states and 836 transitions. [2021-11-21 06:07:36,857 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 836 transitions. [2021-11-21 06:07:36,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-21 06:07:36,858 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:07:36,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:07:36,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:07:36,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:08:18,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:08:18,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 482 states and 866 transitions. [2021-11-21 06:08:18,810 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 866 transitions. [2021-11-21 06:08:18,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 06:08:18,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:08:18,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:08:18,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:08:27,001 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:08:38,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:08:38,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 484 states and 869 transitions. [2021-11-21 06:08:38,311 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 869 transitions. [2021-11-21 06:08:38,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 06:08:38,311 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:08:38,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:08:38,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:08:46,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:09:46,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:09:46,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 502 states and 903 transitions. [2021-11-21 06:09:46,575 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 903 transitions. [2021-11-21 06:09:46,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 06:09:46,576 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:09:46,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:09:46,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:09:46,601 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2021-11-21 06:09:49,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:09:49,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 503 states and 904 transitions. [2021-11-21 06:09:49,067 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 904 transitions. [2021-11-21 06:09:49,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 06:09:49,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:09:49,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:09:49,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:09:49,088 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2021-11-21 06:09:51,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:09:51,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 503 states and 903 transitions. [2021-11-21 06:09:51,708 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 903 transitions. [2021-11-21 06:09:51,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-21 06:09:51,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:09:51,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:09:51,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:09:57,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:10:25,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:10:25,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 510 states and 918 transitions. [2021-11-21 06:10:25,620 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 918 transitions. [2021-11-21 06:10:25,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-21 06:10:25,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:10:25,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:10:25,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:10:25,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.