./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/locks/test_locks_13.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_2f362722-4f74-4a14-92b8-d4f0bd5a59dc/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_2f362722-4f74-4a14-92b8-d4f0bd5a59dc/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2f362722-4f74-4a14-92b8-d4f0bd5a59dc/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2f362722-4f74-4a14-92b8-d4f0bd5a59dc/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/locks/test_locks_13.c -s /tmp/vcloud-vcloud-master/worker/run_dir_2f362722-4f74-4a14-92b8-d4f0bd5a59dc/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2f362722-4f74-4a14-92b8-d4f0bd5a59dc/bin/ukojak --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 837e2aefd0844822f4a3cad7b5ee89b7191bc2c1 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 17:06:07,303 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:06:07,306 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:06:07,356 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:06:07,356 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:06:07,361 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:06:07,378 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:06:07,380 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:06:07,382 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:06:07,383 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:06:07,384 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:06:07,386 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:06:07,386 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:06:07,387 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:06:07,389 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:06:07,390 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:06:07,392 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:06:07,393 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:06:07,395 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:06:07,397 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:06:07,399 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:06:07,401 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:06:07,403 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:06:07,404 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:06:07,407 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:06:07,408 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:06:07,408 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:06:07,409 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:06:07,410 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:06:07,411 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:06:07,412 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:06:07,413 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:06:07,414 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:06:07,415 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:06:07,416 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:06:07,417 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:06:07,418 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:06:07,418 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:06:07,418 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:06:07,419 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:06:07,420 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:06:07,421 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2f362722-4f74-4a14-92b8-d4f0bd5a59dc/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2020-12-01 17:06:07,444 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:06:07,445 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:06:07,446 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:06:07,446 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:06:07,447 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:06:07,447 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:06:07,447 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 17:06:07,447 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:06:07,448 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:06:07,448 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:06:07,448 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-01 17:06:07,448 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-01 17:06:07,448 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-01 17:06:07,449 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:06:07,449 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:06:07,449 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:06:07,449 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:06:07,450 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:06:07,450 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:06:07,450 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:06:07,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:06:07,451 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:06:07,451 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:06:07,451 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:06:07,451 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:06:07,452 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-vcloud-master/worker/run_dir_2f362722-4f74-4a14-92b8-d4f0bd5a59dc/bin/ukojak/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_2f362722-4f74-4a14-92b8-d4f0bd5a59dc/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 837e2aefd0844822f4a3cad7b5ee89b7191bc2c1 [2020-12-01 17:06:07,721 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:06:07,747 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:06:07,750 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:06:07,751 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:06:07,752 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:06:07,753 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2f362722-4f74-4a14-92b8-d4f0bd5a59dc/bin/ukojak/../../sv-benchmarks/c/locks/test_locks_13.c [2020-12-01 17:06:07,834 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2f362722-4f74-4a14-92b8-d4f0bd5a59dc/bin/ukojak/data/87e13f7b0/53b6a177b85f435c8d24cad3e26563e9/FLAGee1f3d53f [2020-12-01 17:06:08,249 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:06:08,250 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2f362722-4f74-4a14-92b8-d4f0bd5a59dc/sv-benchmarks/c/locks/test_locks_13.c [2020-12-01 17:06:08,259 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2f362722-4f74-4a14-92b8-d4f0bd5a59dc/bin/ukojak/data/87e13f7b0/53b6a177b85f435c8d24cad3e26563e9/FLAGee1f3d53f [2020-12-01 17:06:08,645 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2f362722-4f74-4a14-92b8-d4f0bd5a59dc/bin/ukojak/data/87e13f7b0/53b6a177b85f435c8d24cad3e26563e9 [2020-12-01 17:06:08,648 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:06:08,649 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:06:08,655 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:06:08,656 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:06:08,659 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:06:08,660 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:06:08" (1/1) ... [2020-12-01 17:06:08,662 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49f30857 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:06:08, skipping insertion in model container [2020-12-01 17:06:08,663 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:06:08" (1/1) ... [2020-12-01 17:06:08,671 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:06:08,709 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:06:08,894 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:06:08,922 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:06:08,953 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:06:08,967 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:06:08,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:06:08 WrapperNode [2020-12-01 17:06:08,967 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:06:08,969 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:06:08,969 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:06:08,969 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:06:08,977 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:06:08" (1/1) ... [2020-12-01 17:06:08,985 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:06:08" (1/1) ... [2020-12-01 17:06:09,009 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:06:09,010 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:06:09,011 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:06:09,011 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:06:09,019 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:06:08" (1/1) ... [2020-12-01 17:06:09,019 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:06:08" (1/1) ... [2020-12-01 17:06:09,022 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:06:08" (1/1) ... [2020-12-01 17:06:09,023 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:06:08" (1/1) ... [2020-12-01 17:06:09,027 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:06:08" (1/1) ... [2020-12-01 17:06:09,033 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:06:08" (1/1) ... [2020-12-01 17:06:09,035 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:06:08" (1/1) ... [2020-12-01 17:06:09,038 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:06:09,039 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:06:09,039 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:06:09,039 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:06:09,042 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:06:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f362722-4f74-4a14-92b8-d4f0bd5a59dc/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:06:09,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:06:09,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:06:09,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 17:06:09,176 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:06:09,990 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:06:09,991 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-01 17:06:09,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:06:09 BoogieIcfgContainer [2020-12-01 17:06:09,994 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:06:09,995 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:06:09,995 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:06:10,007 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:06:10,009 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:06:09" (1/1) ... [2020-12-01 17:06:10,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:06:10,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:06:10,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 35 states and 62 transitions. [2020-12-01 17:06:10,061 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 62 transitions. [2020-12-01 17:06:10,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-01 17:06:10,063 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:06:10,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:06:10,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:06:10,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:06:10,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 35 states and 60 transitions. [2020-12-01 17:06:10,232 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 60 transitions. [2020-12-01 17:06:10,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-01 17:06:10,232 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:06:10,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:06:10,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:06:10,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:06:10,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 39 states and 66 transitions. [2020-12-01 17:06:10,314 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 66 transitions. [2020-12-01 17:06:10,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-01 17:06:10,315 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:06:10,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:06:10,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:06:10,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:06:10,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 65 transitions. [2020-12-01 17:06:10,427 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 65 transitions. [2020-12-01 17:06:10,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-01 17:06:10,427 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:06:10,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:06:10,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:06:10,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:06:10,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 41 states and 67 transitions. [2020-12-01 17:06:10,642 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 67 transitions. [2020-12-01 17:06:10,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 17:06:10,643 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:06:10,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:06:10,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:06:10,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:06:10,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 39 states and 64 transitions. [2020-12-01 17:06:10,781 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 64 transitions. [2020-12-01 17:06:10,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 17:06:10,782 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:06:10,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:06:10,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:06:11,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:06:11,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 42 states and 69 transitions. [2020-12-01 17:06:11,261 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 69 transitions. [2020-12-01 17:06:11,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 17:06:11,262 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:06:11,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:06:11,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:06:11,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:06:11,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 41 states and 66 transitions. [2020-12-01 17:06:11,462 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 66 transitions. [2020-12-01 17:06:11,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 17:06:11,463 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:06:11,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:06:11,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:06:12,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:06:12,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 45 states and 74 transitions. [2020-12-01 17:06:12,190 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 74 transitions. [2020-12-01 17:06:12,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 17:06:12,190 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:06:12,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:06:12,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:06:12,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:06:12,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 43 states and 71 transitions. [2020-12-01 17:06:12,357 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 71 transitions. [2020-12-01 17:06:12,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 17:06:12,358 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:06:12,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:06:12,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:06:12,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:06:12,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 42 states and 68 transitions. [2020-12-01 17:06:12,587 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 68 transitions. [2020-12-01 17:06:12,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 17:06:12,588 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:06:12,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:06:12,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:06:12,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:06:12,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 43 states and 68 transitions. [2020-12-01 17:06:12,777 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 68 transitions. [2020-12-01 17:06:12,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 17:06:12,777 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:06:12,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:06:12,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:06:13,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:06:13,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 48 states and 79 transitions. [2020-12-01 17:06:13,875 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 79 transitions. [2020-12-01 17:06:13,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 17:06:13,879 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:06:13,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:06:13,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:06:14,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:06:14,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 44 states and 73 transitions. [2020-12-01 17:06:14,130 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 73 transitions. [2020-12-01 17:06:14,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 17:06:14,137 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:06:14,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:06:14,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:06:14,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:06:14,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 43 states and 70 transitions. [2020-12-01 17:06:14,441 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 70 transitions. [2020-12-01 17:06:14,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 17:06:14,441 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:06:14,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:06:14,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:06:14,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:06:14,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 44 states and 70 transitions. [2020-12-01 17:06:14,684 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 70 transitions. [2020-12-01 17:06:14,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 17:06:14,685 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:06:14,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:06:14,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:06:14,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:06:14,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 45 states and 70 transitions. [2020-12-01 17:06:14,889 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 70 transitions. [2020-12-01 17:06:14,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 17:06:14,889 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:06:14,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:06:15,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:06:16,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:06:16,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 51 states and 84 transitions. [2020-12-01 17:06:16,380 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 84 transitions. [2020-12-01 17:06:16,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 17:06:16,381 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:06:16,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:06:16,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:06:16,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:06:16,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 45 states and 75 transitions. [2020-12-01 17:06:16,646 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 75 transitions. [2020-12-01 17:06:16,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 17:06:16,646 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:06:16,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:06:16,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:06:16,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:06:16,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 44 states and 72 transitions. [2020-12-01 17:06:16,985 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 72 transitions. [2020-12-01 17:06:16,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 17:06:16,986 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:06:16,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:06:17,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:06:17,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:06:17,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 45 states and 72 transitions. [2020-12-01 17:06:17,291 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 72 transitions. [2020-12-01 17:06:17,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 17:06:17,292 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:06:17,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:06:17,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:06:17,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:06:17,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 46 states and 72 transitions. [2020-12-01 17:06:17,607 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 72 transitions. [2020-12-01 17:06:17,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 17:06:17,609 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:06:17,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:06:17,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:06:20,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:06:20,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 53 states and 89 transitions. [2020-12-01 17:06:20,118 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 89 transitions. [2020-12-01 17:06:20,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 17:06:20,118 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:06:20,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:06:20,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:06:20,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:06:20,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 54 states and 89 transitions. [2020-12-01 17:06:20,424 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 89 transitions. [2020-12-01 17:06:20,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 17:06:20,426 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:06:20,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:06:20,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:06:20,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:06:20,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 46 states and 77 transitions. [2020-12-01 17:06:20,766 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 77 transitions. [2020-12-01 17:06:20,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:06:20,767 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:06:20,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:06:20,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:06:21,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:06:21,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 45 states and 74 transitions. [2020-12-01 17:06:21,200 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 74 transitions. [2020-12-01 17:06:21,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:06:21,201 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:06:21,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:06:21,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:06:21,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:06:21,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 46 states and 74 transitions. [2020-12-01 17:06:21,558 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 74 transitions. [2020-12-01 17:06:21,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:06:21,558 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:06:21,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:06:21,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:06:21,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:06:21,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 47 states and 74 transitions. [2020-12-01 17:06:21,899 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 74 transitions. [2020-12-01 17:06:21,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:06:21,900 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:06:21,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:06:21,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:06:22,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:06:22,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 48 states and 74 transitions. [2020-12-01 17:06:22,171 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 74 transitions. [2020-12-01 17:06:22,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:06:22,172 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:06:22,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:06:22,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:06:25,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:06:25,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 56 states and 94 transitions. [2020-12-01 17:06:25,165 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 94 transitions. [2020-12-01 17:06:25,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:06:25,165 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:06:25,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:06:25,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:06:25,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:06:25,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 57 states and 94 transitions. [2020-12-01 17:06:25,533 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 94 transitions. [2020-12-01 17:06:25,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:06:25,533 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:06:25,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:06:25,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:06:25,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:06:25,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 47 states and 79 transitions. [2020-12-01 17:06:25,963 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 79 transitions. [2020-12-01 17:06:25,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 17:06:25,963 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:06:25,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:06:25,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:06:26,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:06:26,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 46 states and 76 transitions. [2020-12-01 17:06:26,406 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 76 transitions. [2020-12-01 17:06:26,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 17:06:26,407 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:06:26,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:06:26,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:06:26,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:06:26,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 47 states and 76 transitions. [2020-12-01 17:06:26,796 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 76 transitions. [2020-12-01 17:06:26,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 17:06:26,797 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:06:26,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:06:26,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:06:27,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:06:27,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 48 states and 76 transitions. [2020-12-01 17:06:27,183 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 76 transitions. [2020-12-01 17:06:27,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 17:06:27,186 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:06:27,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:06:27,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:06:27,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:06:27,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 49 states and 76 transitions. [2020-12-01 17:06:27,643 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 76 transitions. [2020-12-01 17:06:27,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 17:06:27,644 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:06:27,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:06:27,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:06:28,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:06:28,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 50 states and 76 transitions. [2020-12-01 17:06:28,025 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 76 transitions. [2020-12-01 17:06:28,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 17:06:28,026 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:06:28,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:06:28,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:06:32,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:06:32,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 59 states and 99 transitions. [2020-12-01 17:06:32,200 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 99 transitions. [2020-12-01 17:06:32,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 17:06:32,200 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:06:32,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:06:32,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:06:32,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:06:32,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 60 states and 99 transitions. [2020-12-01 17:06:32,595 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 99 transitions. [2020-12-01 17:06:32,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 17:06:32,596 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:06:32,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:06:32,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:06:33,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:06:33,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 48 states and 81 transitions. [2020-12-01 17:06:33,072 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 81 transitions. [2020-12-01 17:06:33,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 17:06:33,073 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:06:33,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:06:33,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:06:33,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:06:33,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 47 states and 78 transitions. [2020-12-01 17:06:33,647 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 78 transitions. [2020-12-01 17:06:33,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 17:06:33,647 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:06:33,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:06:33,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:06:34,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:06:34,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 48 states and 78 transitions. [2020-12-01 17:06:34,124 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 78 transitions. [2020-12-01 17:06:34,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 17:06:34,124 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:06:34,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:06:34,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:06:34,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:06:34,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 49 states and 78 transitions. [2020-12-01 17:06:34,641 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 78 transitions. [2020-12-01 17:06:34,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 17:06:34,641 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:06:34,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:06:34,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:06:35,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:06:35,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 50 states and 78 transitions. [2020-12-01 17:06:35,192 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 78 transitions. [2020-12-01 17:06:35,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 17:06:35,192 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:06:35,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:06:35,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:06:35,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:06:35,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 51 states and 78 transitions. [2020-12-01 17:06:35,611 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 78 transitions. [2020-12-01 17:06:35,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 17:06:35,611 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:06:35,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:06:35,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:06:40,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:06:40,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 61 states and 104 transitions. [2020-12-01 17:06:40,964 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 104 transitions. [2020-12-01 17:06:40,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 17:06:40,965 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:06:40,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:06:40,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:06:41,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:06:41,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 62 states and 104 transitions. [2020-12-01 17:06:41,423 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 104 transitions. [2020-12-01 17:06:41,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 17:06:41,424 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:06:41,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:06:41,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:06:41,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:06:41,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 63 states and 104 transitions. [2020-12-01 17:06:41,956 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 104 transitions. [2020-12-01 17:06:41,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 17:06:41,957 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:06:41,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:06:41,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:06:42,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:06:42,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 49 states and 83 transitions. [2020-12-01 17:06:42,550 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 83 transitions. [2020-12-01 17:06:42,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 17:06:42,551 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:06:42,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:06:42,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:06:43,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:06:43,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 48 states and 80 transitions. [2020-12-01 17:06:43,167 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 80 transitions. [2020-12-01 17:06:43,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 17:06:43,168 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:06:43,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:06:43,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:06:43,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:06:43,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 49 states and 80 transitions. [2020-12-01 17:06:43,813 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 80 transitions. [2020-12-01 17:06:43,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 17:06:43,814 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:06:43,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:06:43,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:06:44,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:06:44,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 50 states and 80 transitions. [2020-12-01 17:06:44,364 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 80 transitions. [2020-12-01 17:06:44,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 17:06:44,364 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:06:44,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:06:44,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:06:44,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:06:44,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 51 states and 80 transitions. [2020-12-01 17:06:44,891 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 80 transitions. [2020-12-01 17:06:44,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 17:06:44,891 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:06:44,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:06:44,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:06:45,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:06:45,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 52 states and 80 transitions. [2020-12-01 17:06:45,427 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 80 transitions. [2020-12-01 17:06:45,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 17:06:45,427 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:06:45,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:06:45,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:06:52,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:06:52,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 63 states and 109 transitions. [2020-12-01 17:06:52,354 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 109 transitions. [2020-12-01 17:06:52,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 17:06:52,354 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:06:52,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:06:52,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:06:52,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:06:52,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 64 states and 109 transitions. [2020-12-01 17:06:52,863 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 109 transitions. [2020-12-01 17:06:52,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 17:06:52,863 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:06:52,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:06:52,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:06:53,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:06:53,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 65 states and 109 transitions. [2020-12-01 17:06:53,395 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 109 transitions. [2020-12-01 17:06:53,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 17:06:53,395 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:06:53,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:06:53,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:06:54,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:06:54,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 66 states and 109 transitions. [2020-12-01 17:06:54,013 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 109 transitions. [2020-12-01 17:06:54,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 17:06:54,013 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:06:54,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:06:54,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:06:54,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:06:54,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 50 states and 85 transitions. [2020-12-01 17:06:54,712 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 85 transitions. [2020-12-01 17:06:54,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:06:54,712 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:06:54,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:06:54,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:06:55,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:06:55,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 49 states and 82 transitions. [2020-12-01 17:06:55,528 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 82 transitions. [2020-12-01 17:06:55,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:06:55,529 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:06:55,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:06:55,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:06:56,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:06:56,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 50 states and 82 transitions. [2020-12-01 17:06:56,233 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 82 transitions. [2020-12-01 17:06:56,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:06:56,233 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:06:56,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:06:56,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:06:56,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:06:56,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 51 states and 82 transitions. [2020-12-01 17:06:56,914 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 82 transitions. [2020-12-01 17:06:56,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:06:56,914 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:06:56,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:06:56,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:06:57,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:06:57,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 52 states and 82 transitions. [2020-12-01 17:06:57,652 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 82 transitions. [2020-12-01 17:06:57,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:06:57,653 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:06:57,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:06:57,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:06:58,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:06:58,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 53 states and 82 transitions. [2020-12-01 17:06:58,271 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 82 transitions. [2020-12-01 17:06:58,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:06:58,271 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:06:58,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:06:58,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:06:58,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:06:58,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 54 states and 82 transitions. [2020-12-01 17:06:58,854 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 82 transitions. [2020-12-01 17:06:58,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:06:58,854 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:06:58,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:06:59,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:07:08,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:08,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 66 states and 114 transitions. [2020-12-01 17:07:08,211 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 114 transitions. [2020-12-01 17:07:08,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:07:08,211 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:08,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:08,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:07:08,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:08,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 67 states and 114 transitions. [2020-12-01 17:07:08,893 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 114 transitions. [2020-12-01 17:07:08,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:07:08,894 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:08,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:08,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:07:09,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:09,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 68 states and 114 transitions. [2020-12-01 17:07:09,579 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 114 transitions. [2020-12-01 17:07:09,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:07:09,580 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:09,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:09,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:07:10,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:10,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 69 states and 114 transitions. [2020-12-01 17:07:10,366 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 114 transitions. [2020-12-01 17:07:10,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:07:10,366 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:10,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:10,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:07:11,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:11,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 51 states and 87 transitions. [2020-12-01 17:07:11,302 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 87 transitions. [2020-12-01 17:07:11,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:07:11,303 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:11,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:11,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:07:12,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:12,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 50 states and 84 transitions. [2020-12-01 17:07:12,296 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 84 transitions. [2020-12-01 17:07:12,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:07:12,297 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:12,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:12,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:07:13,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:13,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 51 states and 84 transitions. [2020-12-01 17:07:13,216 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 84 transitions. [2020-12-01 17:07:13,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:07:13,216 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:13,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:13,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:07:14,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:14,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 52 states and 84 transitions. [2020-12-01 17:07:14,046 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 84 transitions. [2020-12-01 17:07:14,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:07:14,047 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:14,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:14,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:07:15,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:15,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 53 states and 84 transitions. [2020-12-01 17:07:15,010 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 84 transitions. [2020-12-01 17:07:15,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:07:15,010 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:15,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:15,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:07:15,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:15,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2020-12-01 17:07:15,906 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2020-12-01 17:07:15,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:07:15,906 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:15,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:15,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:07:16,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:16,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 55 states and 84 transitions. [2020-12-01 17:07:16,666 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 84 transitions. [2020-12-01 17:07:16,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:07:16,666 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:16,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:17,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:07:28,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:28,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 68 states and 119 transitions. [2020-12-01 17:07:28,440 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 119 transitions. [2020-12-01 17:07:28,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:07:28,440 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:28,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:28,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:07:29,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:29,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 69 states and 119 transitions. [2020-12-01 17:07:29,414 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 119 transitions. [2020-12-01 17:07:29,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:07:29,418 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:29,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:29,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:07:30,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:30,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 70 states and 119 transitions. [2020-12-01 17:07:30,245 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 119 transitions. [2020-12-01 17:07:30,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:07:30,246 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:30,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:30,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:07:31,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:31,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 71 states and 119 transitions. [2020-12-01 17:07:31,308 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 119 transitions. [2020-12-01 17:07:31,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:07:31,309 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:31,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:31,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:07:32,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:32,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 72 states and 119 transitions. [2020-12-01 17:07:32,277 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 119 transitions. [2020-12-01 17:07:32,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:07:32,277 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:32,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:32,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:07:33,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:33,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 52 states and 89 transitions. [2020-12-01 17:07:33,368 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 89 transitions. [2020-12-01 17:07:33,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 17:07:33,369 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:33,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:33,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:07:34,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:34,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 51 states and 86 transitions. [2020-12-01 17:07:34,527 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 86 transitions. [2020-12-01 17:07:34,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 17:07:34,527 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:34,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:34,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:07:35,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:35,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 52 states and 86 transitions. [2020-12-01 17:07:35,573 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 86 transitions. [2020-12-01 17:07:35,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 17:07:35,573 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:35,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:35,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:07:36,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:36,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 53 states and 86 transitions. [2020-12-01 17:07:36,636 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 86 transitions. [2020-12-01 17:07:36,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 17:07:36,638 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:36,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:36,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:07:37,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:37,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 54 states and 86 transitions. [2020-12-01 17:07:37,618 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 86 transitions. [2020-12-01 17:07:37,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 17:07:37,619 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:37,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:37,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:07:38,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:38,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 55 states and 86 transitions. [2020-12-01 17:07:38,662 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 86 transitions. [2020-12-01 17:07:38,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 17:07:38,663 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:38,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:38,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:07:39,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:39,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 56 states and 86 transitions. [2020-12-01 17:07:39,527 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 86 transitions. [2020-12-01 17:07:39,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 17:07:39,528 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:39,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:39,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:07:40,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:40,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 57 states and 86 transitions. [2020-12-01 17:07:40,270 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 86 transitions. [2020-12-01 17:07:40,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 17:07:40,270 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:40,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:40,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:07:41,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:41,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 58 states and 86 transitions. [2020-12-01 17:07:41,039 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 86 transitions. [2020-12-01 17:07:41,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 17:07:41,039 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:41,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:41,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:07:42,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:42,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 59 states and 86 transitions. [2020-12-01 17:07:42,347 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 86 transitions. [2020-12-01 17:07:42,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 17:07:42,348 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:42,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:42,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:07:43,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:43,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 60 states and 86 transitions. [2020-12-01 17:07:43,353 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 86 transitions. [2020-12-01 17:07:43,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 17:07:43,353 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:43,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:43,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:07:44,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:44,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 61 states and 86 transitions. [2020-12-01 17:07:44,319 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 86 transitions. [2020-12-01 17:07:44,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 17:07:44,319 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:44,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:44,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:07:45,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:45,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 37 states and 52 transitions. [2020-12-01 17:07:45,418 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 52 transitions. [2020-12-01 17:07:45,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 17:07:45,418 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:45,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:45,430 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:07:51,710 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2020-12-01 17:07:59,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:07:59,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 50 states and 89 transitions. [2020-12-01 17:07:59,751 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 89 transitions. [2020-12-01 17:07:59,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 17:07:59,752 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:07:59,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:07:59,766 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:08:01,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:08:01,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 51 states and 89 transitions. [2020-12-01 17:08:01,053 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 89 transitions. [2020-12-01 17:08:01,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 17:08:01,053 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:08:01,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:08:01,065 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:08:02,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:08:02,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 52 states and 89 transitions. [2020-12-01 17:08:02,335 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 89 transitions. [2020-12-01 17:08:02,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 17:08:02,335 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:08:02,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:08:02,348 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:08:03,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:08:03,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 53 states and 89 transitions. [2020-12-01 17:08:03,790 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 89 transitions. [2020-12-01 17:08:03,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 17:08:03,791 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:08:03,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:08:03,811 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:08:04,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:08:04,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 54 states and 89 transitions. [2020-12-01 17:08:04,974 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 89 transitions. [2020-12-01 17:08:04,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 17:08:04,974 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:08:04,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:08:04,983 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:08:06,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:08:06,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 55 states and 89 transitions. [2020-12-01 17:08:06,015 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 89 transitions. [2020-12-01 17:08:06,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 17:08:06,016 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:08:06,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:08:06,024 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:08:07,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:08:07,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 56 states and 89 transitions. [2020-12-01 17:08:07,008 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 89 transitions. [2020-12-01 17:08:07,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 17:08:07,008 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:08:07,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:08:07,020 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:08:08,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:08:08,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 57 states and 89 transitions. [2020-12-01 17:08:08,332 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 89 transitions. [2020-12-01 17:08:08,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 17:08:08,332 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:08:08,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:08:08,451 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:08:09,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:08:09,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 58 states and 89 transitions. [2020-12-01 17:08:09,555 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 89 transitions. [2020-12-01 17:08:09,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 17:08:09,556 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:08:09,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:08:09,570 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:08:10,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:08:10,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 59 states and 89 transitions. [2020-12-01 17:08:10,638 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 89 transitions. [2020-12-01 17:08:10,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 17:08:10,638 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:08:10,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:08:10,655 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:08:11,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:08:11,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 60 states and 89 transitions. [2020-12-01 17:08:11,750 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 89 transitions. [2020-12-01 17:08:11,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 17:08:11,751 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:08:11,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:08:11,763 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:08:13,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:08:13,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 61 states and 89 transitions. [2020-12-01 17:08:13,326 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 89 transitions. [2020-12-01 17:08:13,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 17:08:13,326 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:08:13,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:08:13,342 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:08:14,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:08:14,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2020-12-01 17:08:14,442 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2020-12-01 17:08:14,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 17:08:14,443 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:08:14,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:08:14,453 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:08:15,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:08:15,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 32 states and 45 transitions. [2020-12-01 17:08:15,812 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 45 transitions. [2020-12-01 17:08:15,812 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 17:08:15,813 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 108 iterations. [2020-12-01 17:08:15,821 INFO L765 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2020-12-01 17:08:16,580 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-12-01 17:08:16,586 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 17:08:16,591 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 17:08:16,592 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-12-01 17:08:16,592 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 17:08:16,593 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 17:08:16,593 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-12-01 17:08:16,593 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 17:08:16,594 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 17:08:16,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:08:16 ImpRootNode [2020-12-01 17:08:16,595 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 17:08:16,603 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 17:08:16,603 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 17:08:16,603 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 17:08:16,604 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:06:09" (3/4) ... [2020-12-01 17:08:16,607 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 17:08:16,621 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2020-12-01 17:08:16,622 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-01 17:08:16,622 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-01 17:08:16,623 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 17:08:16,654 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid-unknown) == \valid [2020-12-01 17:08:16,654 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid-unknown) == \valid [2020-12-01 17:08:16,655 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid-unknown) == \valid [2020-12-01 17:08:16,733 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_2f362722-4f74-4a14-92b8-d4f0bd5a59dc/bin/ukojak/witness.graphml [2020-12-01 17:08:16,733 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 17:08:16,735 INFO L168 Benchmark]: Toolchain (without parser) took 128085.12 ms. Allocated memory was 94.4 MB in the beginning and 1.8 GB in the end (delta: 1.7 GB). Free memory was 60.2 MB in the beginning and 1.4 GB in the end (delta: -1.4 GB). Peak memory consumption was 341.5 MB. Max. memory is 16.1 GB. [2020-12-01 17:08:16,735 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 94.4 MB. Free memory was 67.6 MB in the beginning and 67.5 MB in the end (delta: 27.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:08:16,736 INFO L168 Benchmark]: CACSL2BoogieTranslator took 312.55 ms. Allocated memory is still 94.4 MB. Free memory was 59.9 MB in the beginning and 71.1 MB in the end (delta: -11.2 MB). Peak memory consumption was 9.9 MB. Max. memory is 16.1 GB. [2020-12-01 17:08:16,736 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.00 ms. Allocated memory is still 94.4 MB. Free memory was 71.1 MB in the beginning and 69.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:08:16,737 INFO L168 Benchmark]: Boogie Preprocessor took 27.84 ms. Allocated memory is still 94.4 MB. Free memory was 69.3 MB in the beginning and 67.9 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:08:16,737 INFO L168 Benchmark]: RCFGBuilder took 955.14 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 67.7 MB in the beginning and 67.3 MB in the end (delta: 392.8 kB). Peak memory consumption was 24.8 MB. Max. memory is 16.1 GB. [2020-12-01 17:08:16,738 INFO L168 Benchmark]: CodeCheck took 126607.33 ms. Allocated memory was 113.2 MB in the beginning and 1.8 GB in the end (delta: 1.7 GB). Free memory was 67.3 MB in the beginning and 1.4 GB in the end (delta: -1.4 GB). Peak memory consumption was 323.4 MB. Max. memory is 16.1 GB. [2020-12-01 17:08:16,739 INFO L168 Benchmark]: Witness Printer took 130.60 ms. Allocated memory is still 1.8 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-01 17:08:16,741 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 35 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 125.7s, OverallIterations: 108, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 SDtfs, -133791748 SDslu, 0 SDs, 0 SdLazy, -266829832 SolverSat, -134250500 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 102.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16957 GetRequests, 16175 SyntacticMatches, 0 SemanticMatches, 782 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 299010 ImplicationChecksByTransitivity, 120.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 1654 NumberOfCodeBlocks, 1654 NumberOfCodeBlocksAsserted, 107 NumberOfCheckSat, 1547 ConstructedInterpolants, 0 QuantifiedInterpolants, 118127 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 107 InterpolantComputations, 107 PerfectInterpolantSequences, 28/28 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 3]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 6]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 6]: Loop Invariant [2020-12-01 17:08:16,751 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 17:08:16,752 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: \old(unknown-main_\old_#valid-unknown) == \valid - InvariantResult [Line: 50]: Loop Invariant [2020-12-01 17:08:16,755 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 17:08:16,755 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: \old(unknown-main_\old_#valid-unknown) == \valid - InvariantResult [Line: 7]: Loop Invariant [2020-12-01 17:08:16,756 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 17:08:16,756 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: \old(unknown-main_\old_#valid-unknown) == \valid * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 94.4 MB. Free memory was 67.6 MB in the beginning and 67.5 MB in the end (delta: 27.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 312.55 ms. Allocated memory is still 94.4 MB. Free memory was 59.9 MB in the beginning and 71.1 MB in the end (delta: -11.2 MB). Peak memory consumption was 9.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 41.00 ms. Allocated memory is still 94.4 MB. Free memory was 71.1 MB in the beginning and 69.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 27.84 ms. Allocated memory is still 94.4 MB. Free memory was 69.3 MB in the beginning and 67.9 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 955.14 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 67.7 MB in the beginning and 67.3 MB in the end (delta: 392.8 kB). Peak memory consumption was 24.8 MB. Max. memory is 16.1 GB. * CodeCheck took 126607.33 ms. Allocated memory was 113.2 MB in the beginning and 1.8 GB in the end (delta: 1.7 GB). Free memory was 67.3 MB in the beginning and 1.4 GB in the end (delta: -1.4 GB). Peak memory consumption was 323.4 MB. Max. memory is 16.1 GB. * Witness Printer took 130.60 ms. Allocated memory is still 1.8 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid RESULT: Ultimate proved your program to be correct! Received shutdown request...