./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety-ext/dll_extends_pointer.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a311ffad-806c-424e-9365-e1d8310170cf/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a311ffad-806c-424e-9365-e1d8310170cf/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a311ffad-806c-424e-9365-e1d8310170cf/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a311ffad-806c-424e-9365-e1d8310170cf/bin/ukojak-LBtLqBUTdQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext/dll_extends_pointer.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a311ffad-806c-424e-9365-e1d8310170cf/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a311ffad-806c-424e-9365-e1d8310170cf/bin/ukojak-LBtLqBUTdQ --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 b19ed65fc9d9f8e19f4d644b05d37e3da28cb107a90eedb15c652c094a7f23f1 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:39:33,181 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:39:33,184 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:39:33,241 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:39:33,241 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:39:33,245 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:39:33,247 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:39:33,251 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:39:33,253 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:39:33,259 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:39:33,261 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:39:33,263 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:39:33,263 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:39:33,266 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:39:33,268 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:39:33,276 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:39:33,278 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:39:33,279 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:39:33,281 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:39:33,289 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:39:33,291 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:39:33,292 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:39:33,296 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:39:33,297 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:39:33,306 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:39:33,306 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:39:33,307 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:39:33,309 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:39:33,309 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:39:33,311 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:39:33,311 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:39:33,312 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:39:33,314 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:39:33,315 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:39:33,317 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:39:33,317 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:39:33,318 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:39:33,318 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:39:33,318 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:39:33,319 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:39:33,320 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:39:33,320 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a311ffad-806c-424e-9365-e1d8310170cf/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 00:39:33,363 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:39:33,363 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:39:33,365 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:39:33,365 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:39:33,365 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:39:33,366 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:39:33,366 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 00:39:33,366 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:39:33,372 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:39:33,372 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:39:33,373 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 00:39:33,374 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 00:39:33,374 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 00:39:33,374 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:39:33,374 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:39:33,374 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:39:33,375 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:39:33,375 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:39:33,375 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:39:33,375 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:39:33,376 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:39:33,376 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:39:33,376 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:39:33,376 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:39:33,376 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_a311ffad-806c-424e-9365-e1d8310170cf/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a311ffad-806c-424e-9365-e1d8310170cf/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b19ed65fc9d9f8e19f4d644b05d37e3da28cb107a90eedb15c652c094a7f23f1 [2021-11-23 00:39:33,619 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:39:33,650 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:39:33,653 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:39:33,655 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:39:33,656 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:39:33,657 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a311ffad-806c-424e-9365-e1d8310170cf/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/memsafety-ext/dll_extends_pointer.i [2021-11-23 00:39:33,734 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a311ffad-806c-424e-9365-e1d8310170cf/bin/ukojak-LBtLqBUTdQ/data/0b213ec68/6544e5370c124656a34cbd11423c2c0c/FLAGcbcdd092f [2021-11-23 00:39:34,250 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:39:34,253 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a311ffad-806c-424e-9365-e1d8310170cf/sv-benchmarks/c/memsafety-ext/dll_extends_pointer.i [2021-11-23 00:39:34,278 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a311ffad-806c-424e-9365-e1d8310170cf/bin/ukojak-LBtLqBUTdQ/data/0b213ec68/6544e5370c124656a34cbd11423c2c0c/FLAGcbcdd092f [2021-11-23 00:39:34,591 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a311ffad-806c-424e-9365-e1d8310170cf/bin/ukojak-LBtLqBUTdQ/data/0b213ec68/6544e5370c124656a34cbd11423c2c0c [2021-11-23 00:39:34,593 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:39:34,595 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:39:34,604 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:39:34,604 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:39:34,607 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:39:34,608 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:39:34" (1/1) ... [2021-11-23 00:39:34,610 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31ade477 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:34, skipping insertion in model container [2021-11-23 00:39:34,610 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:39:34" (1/1) ... [2021-11-23 00:39:34,617 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:39:34,677 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:39:35,005 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:39:35,023 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:39:35,071 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:39:35,104 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:39:35,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:35 WrapperNode [2021-11-23 00:39:35,105 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:39:35,106 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:39:35,106 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:39:35,107 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:39:35,114 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:35" (1/1) ... [2021-11-23 00:39:35,142 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:35" (1/1) ... [2021-11-23 00:39:35,175 INFO L137 Inliner]: procedures = 123, calls = 21, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 63 [2021-11-23 00:39:35,176 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:39:35,176 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:39:35,177 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:39:35,177 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:39:35,194 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:35" (1/1) ... [2021-11-23 00:39:35,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:35" (1/1) ... [2021-11-23 00:39:35,197 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:35" (1/1) ... [2021-11-23 00:39:35,198 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:35" (1/1) ... [2021-11-23 00:39:35,205 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:35" (1/1) ... [2021-11-23 00:39:35,211 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:35" (1/1) ... [2021-11-23 00:39:35,214 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:35" (1/1) ... [2021-11-23 00:39:35,219 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:39:35,220 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:39:35,220 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:39:35,220 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:39:35,221 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:35" (1/1) ... [2021-11-23 00:39:35,228 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:39:35,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a311ffad-806c-424e-9365-e1d8310170cf/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:39:35,258 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a311ffad-806c-424e-9365-e1d8310170cf/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:39:35,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a311ffad-806c-424e-9365-e1d8310170cf/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:39:35,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 00:39:35,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:39:35,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 00:39:35,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 00:39:35,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 00:39:35,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:39:35,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:39:35,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:39:35,382 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:39:35,383 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:39:35,584 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:39:35,616 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:39:35,616 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 00:39:35,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:39:35 BoogieIcfgContainer [2021-11-23 00:39:35,619 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:39:35,620 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:39:35,620 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:39:35,630 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:39:35,631 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:39:35" (1/1) ... [2021-11-23 00:39:35,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:39:35,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:35,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 52 states and 56 transitions. [2021-11-23 00:39:35,696 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 56 transitions. [2021-11-23 00:39:35,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-11-23 00:39:35,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:35,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:35,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:35,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:35,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:35,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 51 states and 55 transitions. [2021-11-23 00:39:35,982 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 55 transitions. [2021-11-23 00:39:35,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-11-23 00:39:35,982 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:35,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:35,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:36,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:36,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:36,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 50 states and 54 transitions. [2021-11-23 00:39:36,101 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions. [2021-11-23 00:39:36,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 00:39:36,102 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:36,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:36,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:36,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:36,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:36,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 49 states and 53 transitions. [2021-11-23 00:39:36,194 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 53 transitions. [2021-11-23 00:39:36,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 00:39:36,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:36,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:36,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:36,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:36,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:36,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 48 states and 52 transitions. [2021-11-23 00:39:36,261 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 52 transitions. [2021-11-23 00:39:36,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 00:39:36,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:36,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:36,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:36,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:36,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:36,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 47 states and 51 transitions. [2021-11-23 00:39:36,313 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 51 transitions. [2021-11-23 00:39:36,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 00:39:36,313 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:36,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:36,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:36,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:36,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:36,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 46 states and 50 transitions. [2021-11-23 00:39:36,400 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 50 transitions. [2021-11-23 00:39:36,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:39:36,401 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:36,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:36,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:36,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:36,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:36,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 45 states and 48 transitions. [2021-11-23 00:39:36,458 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 48 transitions. [2021-11-23 00:39:36,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:39:36,459 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:36,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:36,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:36,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:36,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:36,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 44 states and 47 transitions. [2021-11-23 00:39:36,508 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 47 transitions. [2021-11-23 00:39:36,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:39:36,509 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:36,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:36,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:36,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:36,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:36,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 47 states and 53 transitions. [2021-11-23 00:39:36,742 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 53 transitions. [2021-11-23 00:39:36,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:39:36,742 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:36,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:36,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:36,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:36,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:36,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 51 states and 61 transitions. [2021-11-23 00:39:36,957 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 61 transitions. [2021-11-23 00:39:36,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:39:36,958 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:36,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:36,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:37,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:37,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:37,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 55 states and 68 transitions. [2021-11-23 00:39:37,296 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 68 transitions. [2021-11-23 00:39:37,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:39:37,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:37,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:37,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:37,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:37,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:37,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 57 states and 72 transitions. [2021-11-23 00:39:37,552 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 72 transitions. [2021-11-23 00:39:37,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:39:37,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:37,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:37,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:37,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:37,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:37,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 59 states and 76 transitions. [2021-11-23 00:39:37,773 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2021-11-23 00:39:37,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:39:37,777 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:37,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:37,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:37,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:37,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:37,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 60 states and 78 transitions. [2021-11-23 00:39:37,994 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 78 transitions. [2021-11-23 00:39:37,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:39:37,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:38,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:38,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:38,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:38,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:38,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 61 states and 80 transitions. [2021-11-23 00:39:38,160 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 80 transitions. [2021-11-23 00:39:38,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:39:38,160 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:38,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:38,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:38,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:38,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:38,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 63 states and 85 transitions. [2021-11-23 00:39:38,263 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 85 transitions. [2021-11-23 00:39:38,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:39:38,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:38,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:38,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:38,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:38,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:38,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 65 states and 89 transitions. [2021-11-23 00:39:38,393 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 89 transitions. [2021-11-23 00:39:38,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:39:38,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:38,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:38,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:38,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:38,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:38,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 66 states and 90 transitions. [2021-11-23 00:39:38,446 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 90 transitions. [2021-11-23 00:39:38,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:39:38,447 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:38,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:38,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:38,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:38,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:38,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 67 states and 91 transitions. [2021-11-23 00:39:38,490 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 91 transitions. [2021-11-23 00:39:38,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:39:38,492 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:38,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:38,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:38,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:38,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:38,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 66 states and 90 transitions. [2021-11-23 00:39:38,545 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 90 transitions. [2021-11-23 00:39:38,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:39:38,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:38,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:38,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:38,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:38,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:38,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 68 states and 94 transitions. [2021-11-23 00:39:38,922 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 94 transitions. [2021-11-23 00:39:38,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:39:38,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:38,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:38,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:38,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:38,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:38,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 69 states and 96 transitions. [2021-11-23 00:39:38,953 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 96 transitions. [2021-11-23 00:39:38,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:39:38,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:38,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:38,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:39,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:40,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:40,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 75 states and 106 transitions. [2021-11-23 00:39:40,099 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 106 transitions. [2021-11-23 00:39:40,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:39:40,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:40,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:40,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:40,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:41,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:41,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 83 states and 120 transitions. [2021-11-23 00:39:41,576 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 120 transitions. [2021-11-23 00:39:41,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:39:41,577 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:41,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:41,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:41,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:41,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:41,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 86 states and 129 transitions. [2021-11-23 00:39:41,984 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 129 transitions. [2021-11-23 00:39:41,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:39:41,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:41,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:41,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:42,289 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:44,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:44,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 95 states and 146 transitions. [2021-11-23 00:39:44,988 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 146 transitions. [2021-11-23 00:39:44,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:39:44,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:44,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:44,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:45,232 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:48,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:48,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 106 states and 169 transitions. [2021-11-23 00:39:48,596 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 169 transitions. [2021-11-23 00:39:48,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:39:48,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:48,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:48,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:48,733 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:48,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:48,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 107 states and 171 transitions. [2021-11-23 00:39:48,996 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 171 transitions. [2021-11-23 00:39:48,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:39:48,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:48,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:49,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:49,118 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:49,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:49,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 111 states and 189 transitions. [2021-11-23 00:39:49,774 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 189 transitions. [2021-11-23 00:39:49,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:39:49,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:49,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:49,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:49,796 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:50,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:50,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 114 states and 196 transitions. [2021-11-23 00:39:50,534 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 196 transitions. [2021-11-23 00:39:50,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:39:50,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:50,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:50,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:50,558 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:50,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:50,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 114 states and 195 transitions. [2021-11-23 00:39:50,880 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 195 transitions. [2021-11-23 00:39:50,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:39:50,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:50,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:50,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:50,908 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:51,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:51,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 117 states and 200 transitions. [2021-11-23 00:39:51,209 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 200 transitions. [2021-11-23 00:39:51,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:39:51,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:51,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:51,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:51,384 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:52,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:52,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 120 states and 205 transitions. [2021-11-23 00:39:52,382 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 205 transitions. [2021-11-23 00:39:52,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:39:52,382 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:52,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:52,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:52,409 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:52,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:52,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 87 states and 142 transitions. [2021-11-23 00:39:52,418 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 142 transitions. [2021-11-23 00:39:52,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:39:52,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:52,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:52,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:52,875 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:56,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:56,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 96 states and 157 transitions. [2021-11-23 00:39:56,119 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 157 transitions. [2021-11-23 00:39:56,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:39:56,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:56,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:56,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:56,145 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:57,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:57,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 94 states and 153 transitions. [2021-11-23 00:39:57,018 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 153 transitions. [2021-11-23 00:39:57,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:39:57,019 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:57,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:57,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:57,146 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:57,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:57,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 92 states and 149 transitions. [2021-11-23 00:39:57,663 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 149 transitions. [2021-11-23 00:39:57,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:39:57,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:57,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:57,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:58,241 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:02,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:02,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 99 states and 161 transitions. [2021-11-23 00:40:02,805 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 161 transitions. [2021-11-23 00:40:02,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:40:02,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:02,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:02,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:03,406 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:08,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:08,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 107 states and 180 transitions. [2021-11-23 00:40:08,737 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 180 transitions. [2021-11-23 00:40:08,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:40:08,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:08,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:08,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:08,761 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:10,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:10,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 110 states and 182 transitions. [2021-11-23 00:40:10,009 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 182 transitions. [2021-11-23 00:40:10,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:40:10,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:10,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:10,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:11,185 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:19,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:19,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 117 states and 198 transitions. [2021-11-23 00:40:19,539 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 198 transitions. [2021-11-23 00:40:19,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:40:19,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:19,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:19,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:20,607 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:24,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:24,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 115 states and 193 transitions. [2021-11-23 00:40:24,438 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 193 transitions. [2021-11-23 00:40:24,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:40:24,438 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:24,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:24,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:25,681 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:34,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:34,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 122 states and 207 transitions. [2021-11-23 00:40:34,820 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 207 transitions. [2021-11-23 00:40:34,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:40:34,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:34,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:34,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:34,844 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:42,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:42,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 130 states and 219 transitions. [2021-11-23 00:40:42,559 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 219 transitions. [2021-11-23 00:40:42,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:40:42,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:42,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:42,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:43,694 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:52,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:52,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 138 states and 231 transitions. [2021-11-23 00:40:52,580 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 231 transitions. [2021-11-23 00:40:52,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:40:52,580 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:52,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:52,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:55,293 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:09,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:09,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 147 states and 245 transitions. [2021-11-23 00:41:09,282 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 245 transitions. [2021-11-23 00:41:09,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:41:09,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:09,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:09,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:10,743 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:26,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:26,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 158 states and 266 transitions. [2021-11-23 00:41:26,184 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 266 transitions. [2021-11-23 00:41:26,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:41:26,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:26,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:26,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:26,868 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:39,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:39,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 166 states and 277 transitions. [2021-11-23 00:41:39,788 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 277 transitions. [2021-11-23 00:41:39,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:41:39,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:39,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:39,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:42,997 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:01,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:01,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 180 states and 300 transitions. [2021-11-23 00:42:01,007 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 300 transitions. [2021-11-23 00:42:01,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:42:01,008 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:01,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:01,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:03,245 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:21,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:21,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 187 states and 314 transitions. [2021-11-23 00:42:21,588 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 314 transitions. [2021-11-23 00:42:21,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:42:21,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:21,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:21,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:22,867 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:40,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:40,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 195 states and 308 transitions. [2021-11-23 00:42:40,216 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 308 transitions. [2021-11-23 00:42:40,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:42:40,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:40,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:40,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:44,122 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:07,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:07,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 209 states and 330 transitions. [2021-11-23 00:43:07,492 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 330 transitions. [2021-11-23 00:43:07,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:43:07,492 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:07,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:07,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:12,658 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:39,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:39,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 216 states and 343 transitions. [2021-11-23 00:43:39,335 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 343 transitions. [2021-11-23 00:43:39,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:43:39,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:39,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:39,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:40,873 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:02,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:02,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 228 states and 359 transitions. [2021-11-23 00:44:02,975 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 359 transitions. [2021-11-23 00:44:02,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:44:02,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:02,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:02,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:04,298 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:25,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:25,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 236 states and 370 transitions. [2021-11-23 00:44:25,977 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 370 transitions. [2021-11-23 00:44:25,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 00:44:25,978 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:25,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:25,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:27,927 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:53,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:53,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 248 states and 386 transitions. [2021-11-23 00:44:53,167 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 386 transitions. [2021-11-23 00:44:53,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 00:44:53,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:53,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:53,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:00,542 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:34,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:34,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 256 states and 397 transitions. [2021-11-23 00:45:34,830 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 397 transitions. [2021-11-23 00:45:34,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 00:45:34,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:34,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:34,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:39,220 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:07,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:07,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 263 states and 410 transitions. [2021-11-23 00:46:07,428 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 410 transitions. [2021-11-23 00:46:07,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:46:07,429 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:07,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:07,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:12,914 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:43,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:43,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 270 states and 423 transitions. [2021-11-23 00:46:43,846 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 423 transitions. [2021-11-23 00:46:43,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 00:46:43,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:43,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:43,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:50,725 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:47:26,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:26,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 277 states and 436 transitions. [2021-11-23 00:47:26,157 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 436 transitions. [2021-11-23 00:47:26,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 00:47:26,158 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:26,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:26,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:34,269 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:48:22,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:22,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 288 states and 457 transitions. [2021-11-23 00:48:22,017 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 457 transitions. [2021-11-23 00:48:22,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 00:48:22,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:22,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:22,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:31,403 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:15,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:15,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 295 states and 470 transitions. [2021-11-23 00:49:15,322 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 470 transitions. [2021-11-23 00:49:15,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 00:49:15,322 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:15,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:15,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:17,067 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:47,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:47,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 303 states and 481 transitions. [2021-11-23 00:49:47,943 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 481 transitions. [2021-11-23 00:49:47,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 00:49:47,943 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:47,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:47,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:48,339 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:22,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:22,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 310 states and 494 transitions. [2021-11-23 00:50:22,097 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 494 transitions. [2021-11-23 00:50:22,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 00:50:22,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:22,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:22,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:22,120 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-23 00:50:23,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:23,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 310 states and 493 transitions. [2021-11-23 00:50:23,811 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 493 transitions. [2021-11-23 00:50:23,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 00:50:23,812 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:23,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:23,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:26,125 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:33,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:33,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 313 states and 531 transitions. [2021-11-23 00:50:33,121 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 531 transitions. [2021-11-23 00:50:33,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 00:50:33,122 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:33,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:33,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:35,372 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:10,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:10,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 321 states and 543 transitions. [2021-11-23 00:51:10,300 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 543 transitions. [2021-11-23 00:51:10,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 00:51:10,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:10,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:10,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:18,626 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.