./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/locks/test_locks_15-2.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_33c793b0-9c14-4756-b371-e81e835e110b/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_33c793b0-9c14-4756-b371-e81e835e110b/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_33c793b0-9c14-4756-b371-e81e835e110b/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_33c793b0-9c14-4756-b371-e81e835e110b/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/locks/test_locks_15-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_33c793b0-9c14-4756-b371-e81e835e110b/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_33c793b0-9c14-4756-b371-e81e835e110b/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 87d55100d8515cc1c8c9aa61ce99443e0eafb474 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:10:01,010 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:10:01,014 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:10:01,113 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:10:01,114 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:10:01,141 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:10:01,143 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:10:01,146 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:10:01,149 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:10:01,151 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:10:01,153 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:10:01,155 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:10:01,156 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:10:01,157 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:10:01,159 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:10:01,161 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:10:01,163 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:10:01,165 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:10:01,168 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:10:01,171 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:10:01,174 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:10:01,180 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:10:01,183 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:10:01,185 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:10:01,202 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:10:01,203 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:10:01,204 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:10:01,205 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:10:01,206 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:10:01,208 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:10:01,208 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:10:01,210 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:10:01,211 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:10:01,213 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:10:01,214 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:10:01,218 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:10:01,220 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:10:01,220 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:10:01,220 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:10:01,221 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:10:01,223 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:10:01,226 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_33c793b0-9c14-4756-b371-e81e835e110b/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2020-12-01 17:10:01,277 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:10:01,277 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:10:01,280 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:10:01,280 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:10:01,281 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:10:01,281 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:10:01,281 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 17:10:01,281 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:10:01,282 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:10:01,282 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:10:01,283 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-01 17:10:01,284 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-01 17:10:01,284 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-01 17:10:01,284 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:10:01,284 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:10:01,285 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:10:01,285 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:10:01,285 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:10:01,285 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:10:01,286 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:10:01,286 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:10:01,286 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:10:01,286 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:10:01,287 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:10:01,287 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:10:01,287 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_33c793b0-9c14-4756-b371-e81e835e110b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_33c793b0-9c14-4756-b371-e81e835e110b/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87d55100d8515cc1c8c9aa61ce99443e0eafb474 [2020-12-01 17:10:01,690 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:10:01,740 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:10:01,746 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:10:01,748 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:10:01,749 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:10:01,750 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_33c793b0-9c14-4756-b371-e81e835e110b/bin/ukojak/../../sv-benchmarks/c/locks/test_locks_15-2.c [2020-12-01 17:10:01,855 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_33c793b0-9c14-4756-b371-e81e835e110b/bin/ukojak/data/f1deb5c38/f828b00fd0134d2caecf1b9a4a9ce80f/FLAG02bf640d0 [2020-12-01 17:10:02,598 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:10:02,604 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_33c793b0-9c14-4756-b371-e81e835e110b/sv-benchmarks/c/locks/test_locks_15-2.c [2020-12-01 17:10:02,627 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_33c793b0-9c14-4756-b371-e81e835e110b/bin/ukojak/data/f1deb5c38/f828b00fd0134d2caecf1b9a4a9ce80f/FLAG02bf640d0 [2020-12-01 17:10:02,915 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_33c793b0-9c14-4756-b371-e81e835e110b/bin/ukojak/data/f1deb5c38/f828b00fd0134d2caecf1b9a4a9ce80f [2020-12-01 17:10:02,928 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:10:02,930 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:10:02,947 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:10:02,948 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:10:02,952 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:10:02,953 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:10:02" (1/1) ... [2020-12-01 17:10:02,956 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36e513e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:10:02, skipping insertion in model container [2020-12-01 17:10:02,957 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:10:02" (1/1) ... [2020-12-01 17:10:02,967 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:10:03,016 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:10:03,283 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:10:03,294 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:10:03,332 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:10:03,350 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:10:03,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:10:03 WrapperNode [2020-12-01 17:10:03,351 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:10:03,352 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:10:03,353 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:10:03,353 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:10:03,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:10:03" (1/1) ... [2020-12-01 17:10:03,384 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:10:03" (1/1) ... [2020-12-01 17:10:03,421 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:10:03,422 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:10:03,423 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:10:03,423 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:10:03,434 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:10:03" (1/1) ... [2020-12-01 17:10:03,434 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:10:03" (1/1) ... [2020-12-01 17:10:03,438 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:10:03" (1/1) ... [2020-12-01 17:10:03,438 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:10:03" (1/1) ... [2020-12-01 17:10:03,447 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:10:03" (1/1) ... [2020-12-01 17:10:03,454 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:10:03" (1/1) ... [2020-12-01 17:10:03,456 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:10:03" (1/1) ... [2020-12-01 17:10:03,460 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:10:03,461 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:10:03,461 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:10:03,462 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:10:03,463 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:10:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_33c793b0-9c14-4756-b371-e81e835e110b/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 17:10:03,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:10:03,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:10:03,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 17:10:03,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:10:04,535 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:10:04,535 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-01 17:10:04,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:10:04 BoogieIcfgContainer [2020-12-01 17:10:04,541 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:10:04,543 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:10:04,543 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:10:04,557 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:10:04,557 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:10:04" (1/1) ... [2020-12-01 17:10:04,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:10:04,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:10:04,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 39 states and 70 transitions. [2020-12-01 17:10:04,635 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2020-12-01 17:10:04,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-01 17:10:04,639 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:10:04,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:10:04,835 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 17:10:04,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:10:04,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 39 states and 68 transitions. [2020-12-01 17:10:04,845 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 68 transitions. [2020-12-01 17:10:04,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-01 17:10:04,846 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:10:04,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:10:04,911 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 17:10:04,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:10:04,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 43 states and 74 transitions. [2020-12-01 17:10:04,939 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 74 transitions. [2020-12-01 17:10:04,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-01 17:10:04,940 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:10:04,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:10:05,044 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 17:10:05,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:10:05,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 43 states and 73 transitions. [2020-12-01 17:10:05,116 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 73 transitions. [2020-12-01 17:10:05,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-01 17:10:05,117 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:10:05,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:10:05,241 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 17:10:05,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:10:05,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 45 states and 75 transitions. [2020-12-01 17:10:05,487 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 75 transitions. [2020-12-01 17:10:05,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 17:10:05,487 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:10:05,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:10:05,586 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 17:10:05,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:10:06,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 48 states and 80 transitions. [2020-12-01 17:10:06,006 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 80 transitions. [2020-12-01 17:10:06,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 17:10:06,007 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:10:06,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:10:06,104 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 17:10:06,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:10:06,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 46 states and 77 transitions. [2020-12-01 17:10:06,228 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 77 transitions. [2020-12-01 17:10:06,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 17:10:06,231 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:10:06,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:10:06,318 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 17:10:06,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:10:06,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 47 states and 77 transitions. [2020-12-01 17:10:06,460 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 77 transitions. [2020-12-01 17:10:06,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 17:10:06,461 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:10:06,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:10:06,551 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 17:10:07,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:10:07,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 51 states and 85 transitions. [2020-12-01 17:10:07,340 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 85 transitions. [2020-12-01 17:10:07,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 17:10:07,341 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:10:07,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:10:07,385 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 17:10:07,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:10:07,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 47 states and 79 transitions. [2020-12-01 17:10:07,597 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 79 transitions. [2020-12-01 17:10:07,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 17:10:07,597 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:10:07,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:10:07,636 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 17:10:07,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:10:07,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 48 states and 79 transitions. [2020-12-01 17:10:07,826 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 79 transitions. [2020-12-01 17:10:07,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 17:10:07,827 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:10:07,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:10:07,897 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 17:10:08,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:10:08,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 49 states and 79 transitions. [2020-12-01 17:10:08,086 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 79 transitions. [2020-12-01 17:10:08,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 17:10:08,087 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:10:08,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:10:08,218 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 17:10:09,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:10:09,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 54 states and 90 transitions. [2020-12-01 17:10:09,352 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 90 transitions. [2020-12-01 17:10:09,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 17:10:09,353 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:10:09,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:10:09,393 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 17:10:09,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:10:09,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 48 states and 81 transitions. [2020-12-01 17:10:09,633 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 81 transitions. [2020-12-01 17:10:09,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 17:10:09,634 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:10:09,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:10:09,662 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 17:10:09,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:10:09,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 49 states and 81 transitions. [2020-12-01 17:10:09,882 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 81 transitions. [2020-12-01 17:10:09,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 17:10:09,882 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:10:09,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:10:09,932 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 17:10:10,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:10:10,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 50 states and 81 transitions. [2020-12-01 17:10:10,170 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 81 transitions. [2020-12-01 17:10:10,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 17:10:10,171 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:10:10,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:10:10,314 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 17:10:11,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:10:11,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 56 states and 95 transitions. [2020-12-01 17:10:11,546 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 95 transitions. [2020-12-01 17:10:11,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 17:10:11,549 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:10:11,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:10:11,569 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 17:10:11,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:10:11,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 57 states and 95 transitions. [2020-12-01 17:10:11,750 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 95 transitions. [2020-12-01 17:10:11,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 17:10:11,750 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:10:11,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:10:11,780 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 17:10:12,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:10:12,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 49 states and 83 transitions. [2020-12-01 17:10:12,042 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 83 transitions. [2020-12-01 17:10:12,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 17:10:12,043 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:10:12,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:10:12,062 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 17:10:12,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:10:12,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 50 states and 83 transitions. [2020-12-01 17:10:12,311 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 83 transitions. [2020-12-01 17:10:12,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 17:10:12,312 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:10:12,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:10:12,331 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 17:10:12,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:10:12,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 51 states and 83 transitions. [2020-12-01 17:10:12,585 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 83 transitions. [2020-12-01 17:10:12,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 17:10:12,586 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:10:12,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:10:12,741 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 17:10:15,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:10:15,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 58 states and 100 transitions. [2020-12-01 17:10:15,024 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 100 transitions. [2020-12-01 17:10:15,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 17:10:15,026 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:10:15,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:10:15,051 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 17:10:15,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:10:15,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 59 states and 100 transitions. [2020-12-01 17:10:15,325 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 100 transitions. [2020-12-01 17:10:15,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 17:10:15,326 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:10:15,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:10:15,364 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 17:10:15,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:10:15,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 60 states and 100 transitions. [2020-12-01 17:10:15,683 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 100 transitions. [2020-12-01 17:10:15,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 17:10:15,684 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:10:15,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:10:15,706 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 17:10:16,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:10:16,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 50 states and 85 transitions. [2020-12-01 17:10:16,134 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 85 transitions. [2020-12-01 17:10:16,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:10:16,135 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:10:16,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:10:16,190 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 17:10:16,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:10:16,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 51 states and 85 transitions. [2020-12-01 17:10:16,599 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 85 transitions. [2020-12-01 17:10:16,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:10:16,601 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:10:16,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:10:16,632 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 17:10:16,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:10:16,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 85 transitions. [2020-12-01 17:10:16,950 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 85 transitions. [2020-12-01 17:10:16,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:10:16,951 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:10:16,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:10:16,972 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 17:10:17,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:10:17,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 53 states and 85 transitions. [2020-12-01 17:10:17,281 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 85 transitions. [2020-12-01 17:10:17,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:10:17,281 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:10:17,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:10:17,558 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 17:10:20,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:10:20,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 61 states and 105 transitions. [2020-12-01 17:10:20,431 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 105 transitions. [2020-12-01 17:10:20,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:10:20,431 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:10:20,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:10:20,453 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 17:10:20,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:10:20,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 62 states and 105 transitions. [2020-12-01 17:10:20,767 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 105 transitions. [2020-12-01 17:10:20,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:10:20,767 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:10:20,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:10:20,790 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 17:10:21,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:10:21,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 63 states and 105 transitions. [2020-12-01 17:10:21,118 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 105 transitions. [2020-12-01 17:10:21,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:10:21,118 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:10:21,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:10:21,138 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 17:10:21,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:10:21,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 51 states and 87 transitions. [2020-12-01 17:10:21,640 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 87 transitions. [2020-12-01 17:10:21,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 17:10:21,641 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:10:21,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:10:21,666 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 17:10:22,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:10:22,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 52 states and 87 transitions. [2020-12-01 17:10:22,174 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 87 transitions. [2020-12-01 17:10:22,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 17:10:22,175 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:10:22,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:10:22,207 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 17:10:22,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:10:22,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 53 states and 87 transitions. [2020-12-01 17:10:22,688 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 87 transitions. [2020-12-01 17:10:22,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 17:10:22,689 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:10:22,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:10:22,715 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 17:10:23,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:10:23,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 54 states and 87 transitions. [2020-12-01 17:10:23,056 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 87 transitions. [2020-12-01 17:10:23,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 17:10:23,057 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:10:23,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:10:23,310 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 17:10:26,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:10:26,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 63 states and 110 transitions. [2020-12-01 17:10:26,484 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 110 transitions. [2020-12-01 17:10:26,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 17:10:26,485 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:10:26,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:10:26,503 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 17:10:26,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:10:26,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 64 states and 110 transitions. [2020-12-01 17:10:26,893 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 110 transitions. [2020-12-01 17:10:26,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 17:10:26,894 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:10:26,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:10:26,912 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 17:10:27,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:10:27,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 65 states and 110 transitions. [2020-12-01 17:10:27,385 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 110 transitions. [2020-12-01 17:10:27,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 17:10:27,385 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:10:27,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:10:27,415 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 17:10:27,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:10:27,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 66 states and 110 transitions. [2020-12-01 17:10:27,858 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 110 transitions. [2020-12-01 17:10:27,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 17:10:27,858 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:10:27,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:10:27,877 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 17:10:28,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:10:28,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 52 states and 89 transitions. [2020-12-01 17:10:28,373 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 89 transitions. [2020-12-01 17:10:28,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 17:10:28,374 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:10:28,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:10:28,405 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 17:10:29,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:10:29,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 53 states and 89 transitions. [2020-12-01 17:10:29,037 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 89 transitions. [2020-12-01 17:10:29,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 17:10:29,038 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:10:29,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:10:29,055 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 17:10:29,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:10:29,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 54 states and 89 transitions. [2020-12-01 17:10:29,516 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 89 transitions. [2020-12-01 17:10:29,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 17:10:29,516 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:10:29,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:10:29,534 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 17:10:30,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:10:30,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 55 states and 89 transitions. [2020-12-01 17:10:30,090 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 89 transitions. [2020-12-01 17:10:30,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 17:10:30,091 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:10:30,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:10:30,441 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 17:10:35,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:10:35,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 65 states and 115 transitions. [2020-12-01 17:10:35,769 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 115 transitions. [2020-12-01 17:10:35,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 17:10:35,769 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:10:35,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:10:35,789 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 17:10:36,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:10:36,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 66 states and 115 transitions. [2020-12-01 17:10:36,315 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 115 transitions. [2020-12-01 17:10:36,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 17:10:36,316 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:10:36,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:10:36,344 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 17:10:36,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:10:36,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 67 states and 115 transitions. [2020-12-01 17:10:36,924 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 115 transitions. [2020-12-01 17:10:36,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 17:10:36,924 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:10:36,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:10:36,947 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 17:10:37,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:10:37,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 68 states and 115 transitions. [2020-12-01 17:10:37,462 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 115 transitions. [2020-12-01 17:10:37,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 17:10:37,462 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:10:37,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:10:37,476 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 17:10:37,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:10:37,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 69 states and 115 transitions. [2020-12-01 17:10:37,914 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 115 transitions. [2020-12-01 17:10:37,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 17:10:37,914 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:10:37,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:10:37,928 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 17:10:38,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:10:38,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 53 states and 91 transitions. [2020-12-01 17:10:38,479 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 91 transitions. [2020-12-01 17:10:38,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 17:10:38,479 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:10:38,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:10:38,494 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 17:10:39,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:10:39,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 54 states and 91 transitions. [2020-12-01 17:10:39,072 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 91 transitions. [2020-12-01 17:10:39,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 17:10:39,072 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:10:39,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:10:39,089 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 17:10:39,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:10:39,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 55 states and 91 transitions. [2020-12-01 17:10:39,610 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 91 transitions. [2020-12-01 17:10:39,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 17:10:39,610 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:10:39,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:10:39,625 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 17:10:40,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:10:40,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 56 states and 91 transitions. [2020-12-01 17:10:40,213 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 91 transitions. [2020-12-01 17:10:40,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 17:10:40,213 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:10:40,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:10:40,237 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 17:10:40,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:10:40,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 57 states and 91 transitions. [2020-12-01 17:10:40,712 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 91 transitions. [2020-12-01 17:10:40,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 17:10:40,712 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:10:40,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:10:41,046 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 17:10:47,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:10:47,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 68 states and 120 transitions. [2020-12-01 17:10:47,648 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 120 transitions. [2020-12-01 17:10:47,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 17:10:47,649 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:10:47,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:10:47,669 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 17:10:48,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:10:48,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 69 states and 120 transitions. [2020-12-01 17:10:48,207 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 120 transitions. [2020-12-01 17:10:48,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 17:10:48,208 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:10:48,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:10:48,227 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 17:10:48,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:10:48,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 70 states and 120 transitions. [2020-12-01 17:10:48,701 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 120 transitions. [2020-12-01 17:10:48,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 17:10:48,701 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:10:48,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:10:48,722 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 17:10:49,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:10:49,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 71 states and 120 transitions. [2020-12-01 17:10:49,333 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 120 transitions. [2020-12-01 17:10:49,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 17:10:49,334 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:10:49,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:10:49,357 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 17:10:50,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:10:50,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 72 states and 120 transitions. [2020-12-01 17:10:50,191 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 120 transitions. [2020-12-01 17:10:50,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 17:10:50,191 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:10:50,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:10:50,217 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 17:10:50,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:10:50,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 54 states and 93 transitions. [2020-12-01 17:10:50,872 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 93 transitions. [2020-12-01 17:10:50,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:10:50,872 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:10:50,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:10:50,891 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 17:10:51,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:10:51,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 55 states and 93 transitions. [2020-12-01 17:10:51,593 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 93 transitions. [2020-12-01 17:10:51,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:10:51,593 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:10:51,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:10:51,608 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 17:10:52,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:10:52,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 56 states and 93 transitions. [2020-12-01 17:10:52,310 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 93 transitions. [2020-12-01 17:10:52,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:10:52,311 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:10:52,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:10:52,323 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 17:10:52,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:10:52,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 57 states and 93 transitions. [2020-12-01 17:10:52,853 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 93 transitions. [2020-12-01 17:10:52,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:10:52,853 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:10:52,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:10:52,867 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 17:10:53,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:10:53,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 58 states and 93 transitions. [2020-12-01 17:10:53,360 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 93 transitions. [2020-12-01 17:10:53,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:10:53,361 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:10:53,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:10:53,375 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 17:10:53,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:10:53,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 59 states and 93 transitions. [2020-12-01 17:10:53,908 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 93 transitions. [2020-12-01 17:10:53,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:10:53,909 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:10:53,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:10:54,358 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 17:11:02,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:11:02,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 71 states and 125 transitions. [2020-12-01 17:11:02,475 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 125 transitions. [2020-12-01 17:11:02,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:11:02,475 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:11:02,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:11:02,490 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 17:11:03,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:11:03,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 72 states and 125 transitions. [2020-12-01 17:11:03,285 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 125 transitions. [2020-12-01 17:11:03,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:11:03,285 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:11:03,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:11:03,326 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 17:11:03,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:11:03,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 73 states and 125 transitions. [2020-12-01 17:11:03,913 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 125 transitions. [2020-12-01 17:11:03,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:11:03,913 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:11:03,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:11:03,930 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 17:11:04,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:11:04,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 74 states and 125 transitions. [2020-12-01 17:11:04,573 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 125 transitions. [2020-12-01 17:11:04,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:11:04,573 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:11:04,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:11:04,585 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 17:11:05,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:11:05,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 75 states and 125 transitions. [2020-12-01 17:11:05,234 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 125 transitions. [2020-12-01 17:11:05,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:11:05,234 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:11:05,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:11:05,249 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 17:11:05,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:11:05,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 55 states and 95 transitions. [2020-12-01 17:11:05,982 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 95 transitions. [2020-12-01 17:11:05,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:11:05,982 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:11:05,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:11:05,996 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 17:11:06,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:11:06,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 56 states and 95 transitions. [2020-12-01 17:11:06,801 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 95 transitions. [2020-12-01 17:11:06,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:11:06,801 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:11:06,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:11:06,824 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 17:11:07,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:11:07,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 57 states and 95 transitions. [2020-12-01 17:11:07,668 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 95 transitions. [2020-12-01 17:11:07,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:11:07,668 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:11:07,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:11:07,686 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 17:11:08,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:11:08,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 58 states and 95 transitions. [2020-12-01 17:11:08,522 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 95 transitions. [2020-12-01 17:11:08,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:11:08,523 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:11:08,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:11:08,539 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 17:11:09,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:11:09,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 59 states and 95 transitions. [2020-12-01 17:11:09,294 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 95 transitions. [2020-12-01 17:11:09,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:11:09,295 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:11:09,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:11:09,310 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 17:11:10,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:11:10,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 60 states and 95 transitions. [2020-12-01 17:11:10,208 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 95 transitions. [2020-12-01 17:11:10,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:11:10,208 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:11:10,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:11:10,672 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 17:11:11,584 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-12-01 17:11:20,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:11:20,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 73 states and 130 transitions. [2020-12-01 17:11:20,638 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 130 transitions. [2020-12-01 17:11:20,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:11:20,639 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:11:20,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:11:20,652 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 17:11:21,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:11:21,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 74 states and 130 transitions. [2020-12-01 17:11:21,283 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 130 transitions. [2020-12-01 17:11:21,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:11:21,283 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:11:21,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:11:21,300 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 17:11:22,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:11:22,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 75 states and 130 transitions. [2020-12-01 17:11:22,051 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 130 transitions. [2020-12-01 17:11:22,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:11:22,051 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:11:22,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:11:22,067 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 17:11:22,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:11:22,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 76 states and 130 transitions. [2020-12-01 17:11:22,898 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 130 transitions. [2020-12-01 17:11:22,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:11:22,899 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:11:22,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:11:22,914 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 17:11:23,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:11:23,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 77 states and 130 transitions. [2020-12-01 17:11:23,805 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 130 transitions. [2020-12-01 17:11:23,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:11:23,805 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:11:23,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:11:23,815 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 17:11:24,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:11:24,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 78 states and 130 transitions. [2020-12-01 17:11:24,668 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 130 transitions. [2020-12-01 17:11:24,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:11:24,668 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:11:24,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:11:24,681 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 17:11:26,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:11:26,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 56 states and 97 transitions. [2020-12-01 17:11:26,110 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 97 transitions. [2020-12-01 17:11:26,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 17:11:26,110 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:11:26,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:11:26,123 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 17:11:27,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:11:27,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 57 states and 97 transitions. [2020-12-01 17:11:27,084 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 97 transitions. [2020-12-01 17:11:27,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 17:11:27,084 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:11:27,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:11:27,105 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 17:11:28,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:11:28,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 58 states and 97 transitions. [2020-12-01 17:11:28,010 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 97 transitions. [2020-12-01 17:11:28,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 17:11:28,010 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:11:28,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:11:28,024 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 17:11:28,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:11:28,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 59 states and 97 transitions. [2020-12-01 17:11:28,903 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 97 transitions. [2020-12-01 17:11:28,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 17:11:28,903 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:11:28,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:11:28,917 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 17:11:29,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:11:29,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 60 states and 97 transitions. [2020-12-01 17:11:29,679 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 97 transitions. [2020-12-01 17:11:29,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 17:11:29,680 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:11:29,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:11:29,691 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 17:11:30,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:11:30,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 61 states and 97 transitions. [2020-12-01 17:11:30,505 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 97 transitions. [2020-12-01 17:11:30,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 17:11:30,505 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:11:30,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:11:30,520 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 17:11:31,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:11:31,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 62 states and 97 transitions. [2020-12-01 17:11:31,216 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 97 transitions. [2020-12-01 17:11:31,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 17:11:31,216 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:11:31,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:11:31,735 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 17:11:33,655 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-12-01 17:11:44,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:11:44,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 76 states and 135 transitions. [2020-12-01 17:11:44,032 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 135 transitions. [2020-12-01 17:11:44,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 17:11:44,033 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:11:44,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:11:44,053 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 17:11:45,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:11:45,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 77 states and 135 transitions. [2020-12-01 17:11:45,047 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 135 transitions. [2020-12-01 17:11:45,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 17:11:45,047 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:11:45,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:11:45,065 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 17:11:45,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:11:45,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 78 states and 135 transitions. [2020-12-01 17:11:45,821 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 135 transitions. [2020-12-01 17:11:45,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 17:11:45,821 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:11:45,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:11:45,839 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 17:11:46,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:11:46,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 79 states and 135 transitions. [2020-12-01 17:11:46,592 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 135 transitions. [2020-12-01 17:11:46,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 17:11:46,592 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:11:46,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:11:46,601 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 17:11:47,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:11:47,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 80 states and 135 transitions. [2020-12-01 17:11:47,495 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 135 transitions. [2020-12-01 17:11:47,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 17:11:47,495 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:11:47,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:11:47,507 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 17:11:48,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:11:48,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 81 states and 135 transitions. [2020-12-01 17:11:48,928 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 135 transitions. [2020-12-01 17:11:48,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 17:11:48,928 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:11:48,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:11:48,943 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 17:11:50,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:11:50,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 57 states and 99 transitions. [2020-12-01 17:11:50,090 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 99 transitions. [2020-12-01 17:11:50,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 17:11:50,090 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:11:50,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:11:50,104 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 17:11:51,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:11:51,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 58 states and 99 transitions. [2020-12-01 17:11:51,211 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 99 transitions. [2020-12-01 17:11:51,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 17:11:51,212 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:11:51,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:11:51,225 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 17:11:52,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:11:52,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 59 states and 99 transitions. [2020-12-01 17:11:52,382 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 99 transitions. [2020-12-01 17:11:52,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 17:11:52,382 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:11:52,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:11:52,393 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 17:11:53,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:11:53,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 60 states and 99 transitions. [2020-12-01 17:11:53,333 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 99 transitions. [2020-12-01 17:11:53,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 17:11:53,333 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:11:53,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:11:53,347 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 17:11:54,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:11:54,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 61 states and 99 transitions. [2020-12-01 17:11:54,187 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 99 transitions. [2020-12-01 17:11:54,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 17:11:54,188 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:11:54,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:11:54,199 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 17:11:55,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:11:55,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 62 states and 99 transitions. [2020-12-01 17:11:55,049 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 99 transitions. [2020-12-01 17:11:55,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 17:11:55,049 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:11:55,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:11:55,073 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 17:11:55,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:11:55,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 63 states and 99 transitions. [2020-12-01 17:11:55,878 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 99 transitions. [2020-12-01 17:11:55,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 17:11:55,878 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:11:55,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:11:55,889 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 17:11:56,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:11:56,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 64 states and 99 transitions. [2020-12-01 17:11:56,798 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 99 transitions. [2020-12-01 17:11:56,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 17:11:56,799 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:11:56,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:11:57,401 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 17:12:02,166 WARN L197 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-12-01 17:12:12,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:12:12,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 79 states and 140 transitions. [2020-12-01 17:12:12,289 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 140 transitions. [2020-12-01 17:12:12,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 17:12:12,289 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:12:12,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:12:12,301 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 17:12:13,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:12:13,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 80 states and 140 transitions. [2020-12-01 17:12:13,204 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 140 transitions. [2020-12-01 17:12:13,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 17:12:13,205 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:12:13,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:12:13,253 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 17:12:14,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:12:14,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 81 states and 140 transitions. [2020-12-01 17:12:14,335 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 140 transitions. [2020-12-01 17:12:14,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 17:12:14,335 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:12:14,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:12:14,350 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 17:12:15,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:12:15,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 82 states and 140 transitions. [2020-12-01 17:12:15,503 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 140 transitions. [2020-12-01 17:12:15,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 17:12:15,503 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:12:15,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:12:15,518 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 17:12:16,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:12:16,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 83 states and 140 transitions. [2020-12-01 17:12:16,718 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 140 transitions. [2020-12-01 17:12:16,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 17:12:16,718 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:12:16,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:12:16,733 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 17:12:17,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:12:17,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 84 states and 140 transitions. [2020-12-01 17:12:17,968 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 140 transitions. [2020-12-01 17:12:17,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 17:12:17,969 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:12:17,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:12:17,989 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 17:12:19,064 WARN L197 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-12-01 17:12:19,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:12:19,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 58 states and 101 transitions. [2020-12-01 17:12:19,656 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 101 transitions. [2020-12-01 17:12:19,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 17:12:19,656 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:12:19,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:12:19,669 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 17:12:21,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:12:21,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 59 states and 101 transitions. [2020-12-01 17:12:21,293 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 101 transitions. [2020-12-01 17:12:21,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 17:12:21,294 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:12:21,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:12:21,311 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 17:12:22,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:12:22,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 60 states and 101 transitions. [2020-12-01 17:12:22,751 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 101 transitions. [2020-12-01 17:12:22,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 17:12:22,751 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:12:22,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:12:22,766 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 17:12:24,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:12:24,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 61 states and 101 transitions. [2020-12-01 17:12:24,134 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 101 transitions. [2020-12-01 17:12:24,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 17:12:24,135 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:12:24,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:12:24,150 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 17:12:25,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:12:25,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 62 states and 101 transitions. [2020-12-01 17:12:25,375 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 101 transitions. [2020-12-01 17:12:25,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 17:12:25,376 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:12:25,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:12:25,398 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 17:12:26,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:12:26,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 63 states and 101 transitions. [2020-12-01 17:12:26,358 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 101 transitions. [2020-12-01 17:12:26,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 17:12:26,359 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:12:26,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:12:26,375 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 17:12:27,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:12:27,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 64 states and 101 transitions. [2020-12-01 17:12:27,388 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 101 transitions. [2020-12-01 17:12:27,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 17:12:27,388 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:12:27,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:12:27,400 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 17:12:28,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:12:28,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 65 states and 101 transitions. [2020-12-01 17:12:28,310 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 101 transitions. [2020-12-01 17:12:28,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 17:12:28,311 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:12:28,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:12:28,324 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 17:12:29,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:12:29,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 66 states and 101 transitions. [2020-12-01 17:12:29,460 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 101 transitions. [2020-12-01 17:12:29,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 17:12:29,462 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:12:29,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:12:29,476 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 17:12:30,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:12:30,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 67 states and 101 transitions. [2020-12-01 17:12:30,675 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 101 transitions. [2020-12-01 17:12:30,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 17:12:30,676 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:12:30,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:12:30,697 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 17:12:31,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:12:31,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 68 states and 101 transitions. [2020-12-01 17:12:31,939 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 101 transitions. [2020-12-01 17:12:31,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 17:12:31,940 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:12:31,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:12:31,953 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 17:12:33,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:12:33,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 69 states and 101 transitions. [2020-12-01 17:12:33,119 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 101 transitions. [2020-12-01 17:12:33,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 17:12:33,119 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:12:33,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:12:33,141 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 17:12:34,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:12:34,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 70 states and 101 transitions. [2020-12-01 17:12:34,541 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 101 transitions. [2020-12-01 17:12:34,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 17:12:34,542 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:12:34,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:12:34,555 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 17:12:35,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:12:35,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 71 states and 101 transitions. [2020-12-01 17:12:35,820 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 101 transitions. [2020-12-01 17:12:35,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 17:12:35,820 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:12:35,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:12:35,833 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 17:12:37,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:12:37,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 41 states and 58 transitions. [2020-12-01 17:12:37,263 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2020-12-01 17:12:37,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 17:12:37,263 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:12:37,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:12:37,288 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 17:12:57,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:12:57,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 56 states and 101 transitions. [2020-12-01 17:12:57,355 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 101 transitions. [2020-12-01 17:12:57,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 17:12:57,355 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:12:57,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:12:57,367 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 17:12:59,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:12:59,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 57 states and 101 transitions. [2020-12-01 17:12:59,023 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 101 transitions. [2020-12-01 17:12:59,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 17:12:59,024 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:12:59,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:12:59,034 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 17:13:00,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:13:00,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 58 states and 101 transitions. [2020-12-01 17:13:00,578 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 101 transitions. [2020-12-01 17:13:00,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 17:13:00,578 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:13:00,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:13:00,590 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 17:13:02,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:13:02,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 59 states and 101 transitions. [2020-12-01 17:13:02,002 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 101 transitions. [2020-12-01 17:13:02,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 17:13:02,002 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:13:02,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:13:02,017 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 17:13:03,533 WARN L197 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2020-12-01 17:13:03,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:13:03,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 60 states and 101 transitions. [2020-12-01 17:13:03,550 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 101 transitions. [2020-12-01 17:13:03,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 17:13:03,563 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:13:03,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:13:03,586 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 17:13:04,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:13:04,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 61 states and 101 transitions. [2020-12-01 17:13:04,874 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 101 transitions. [2020-12-01 17:13:04,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 17:13:04,874 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:13:04,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:13:04,888 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 17:13:06,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:13:06,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 62 states and 101 transitions. [2020-12-01 17:13:06,150 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 101 transitions. [2020-12-01 17:13:06,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 17:13:06,151 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:13:06,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:13:06,164 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 17:13:07,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:13:07,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 63 states and 101 transitions. [2020-12-01 17:13:07,383 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 101 transitions. [2020-12-01 17:13:07,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 17:13:07,384 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:13:07,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:13:07,393 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 17:13:08,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:13:08,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 64 states and 101 transitions. [2020-12-01 17:13:08,524 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 101 transitions. [2020-12-01 17:13:08,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 17:13:08,524 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:13:08,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:13:08,536 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 17:13:09,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:13:09,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 65 states and 101 transitions. [2020-12-01 17:13:09,599 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 101 transitions. [2020-12-01 17:13:09,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 17:13:09,599 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:13:09,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:13:09,616 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 17:13:10,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:13:10,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 66 states and 101 transitions. [2020-12-01 17:13:10,893 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 101 transitions. [2020-12-01 17:13:10,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 17:13:10,894 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:13:10,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:13:10,909 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 17:13:12,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:13:12,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 67 states and 101 transitions. [2020-12-01 17:13:12,116 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 101 transitions. [2020-12-01 17:13:12,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 17:13:12,117 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:13:12,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:13:12,129 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 17:13:13,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:13:13,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 68 states and 101 transitions. [2020-12-01 17:13:13,396 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 101 transitions. [2020-12-01 17:13:13,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 17:13:13,397 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:13:13,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:13:13,407 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 17:13:14,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:13:14,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 69 states and 101 transitions. [2020-12-01 17:13:14,745 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 101 transitions. [2020-12-01 17:13:14,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 17:13:14,746 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:13:14,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:13:14,753 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 17:13:16,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:13:16,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 70 states and 101 transitions. [2020-12-01 17:13:16,156 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 101 transitions. [2020-12-01 17:13:16,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 17:13:16,156 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:13:16,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:13:16,164 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 17:13:17,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:13:17,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 36 states and 51 transitions. [2020-12-01 17:13:17,987 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 51 transitions. [2020-12-01 17:13:17,987 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 17:13:17,987 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 139 iterations. [2020-12-01 17:13:17,997 INFO L765 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2020-12-01 17:13:18,802 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-12-01 17:13:18,808 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 17:13:18,813 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 17:13:18,814 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-12-01 17:13:18,814 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 17:13:18,814 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 17:13:18,814 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-12-01 17:13:18,815 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 17:13:18,815 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 17:13:18,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:13:18 ImpRootNode [2020-12-01 17:13:18,816 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 17:13:18,816 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 17:13:18,816 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 17:13:18,817 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 17:13:18,817 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:10:04" (3/4) ... [2020-12-01 17:13:18,822 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 17:13:18,839 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-12-01 17:13:18,840 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-12-01 17:13:18,841 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-01 17:13:18,842 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 17:13:18,881 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid-unknown) == \valid [2020-12-01 17:13:18,881 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid-unknown) == \valid [2020-12-01 17:13:18,882 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid-unknown) == \valid [2020-12-01 17:13:18,967 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_33c793b0-9c14-4756-b371-e81e835e110b/bin/ukojak/witness.graphml [2020-12-01 17:13:18,967 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 17:13:18,968 INFO L168 Benchmark]: Toolchain (without parser) took 196038.65 ms. Allocated memory was 104.9 MB in the beginning and 2.3 GB in the end (delta: 2.2 GB). Free memory was 73.1 MB in the beginning and 1.9 GB in the end (delta: -1.8 GB). Peak memory consumption was 401.3 MB. Max. memory is 16.1 GB. [2020-12-01 17:13:18,969 INFO L168 Benchmark]: CDTParser took 1.08 ms. Allocated memory is still 75.5 MB. Free memory was 33.5 MB in the beginning and 33.5 MB in the end (delta: 32.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:13:18,969 INFO L168 Benchmark]: CACSL2BoogieTranslator took 403.99 ms. Allocated memory is still 104.9 MB. Free memory was 72.9 MB in the beginning and 81.0 MB in the end (delta: -8.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 17:13:18,970 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.23 ms. Allocated memory is still 104.9 MB. Free memory was 81.0 MB in the beginning and 79.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:13:18,970 INFO L168 Benchmark]: Boogie Preprocessor took 37.93 ms. Allocated memory is still 104.9 MB. Free memory was 79.4 MB in the beginning and 77.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:13:18,971 INFO L168 Benchmark]: RCFGBuilder took 1079.82 ms. Allocated memory is still 104.9 MB. Free memory was 77.8 MB in the beginning and 72.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 48.5 MB. Max. memory is 16.1 GB. [2020-12-01 17:13:18,971 INFO L168 Benchmark]: CodeCheck took 194273.02 ms. Allocated memory was 104.9 MB in the beginning and 2.3 GB in the end (delta: 2.2 GB). Free memory was 72.4 MB in the beginning and 1.9 GB in the end (delta: -1.8 GB). Peak memory consumption was 397.3 MB. Max. memory is 16.1 GB. [2020-12-01 17:13:18,972 INFO L168 Benchmark]: Witness Printer took 151.17 ms. Allocated memory is still 2.3 GB. Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 17:13:18,975 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, 39 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 193.3s, OverallIterations: 139, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 SDtfs, -2145517572 SDslu, 0 SDs, 0 SdLazy, 7471096 SolverSat, 2147352572 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 181.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 24360 GetRequests, 23338 SyntacticMatches, 0 SemanticMatches, 1022 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 520064 ImplicationChecksByTransitivity, 185.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 5.4s InterpolantComputationTime, 2321 NumberOfCodeBlocks, 2321 NumberOfCodeBlocksAsserted, 138 NumberOfCheckSat, 2183 ConstructedInterpolants, 0 QuantifiedInterpolants, 188985 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 138 InterpolantComputations, 138 PerfectInterpolantSequences, 32/32 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: 7]: Loop Invariant [2020-12-01 17:13:18,977 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 17:13:18,979 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: \old(unknown-main_\old_#valid-unknown) == \valid - InvariantResult [Line: 6]: Loop Invariant [2020-12-01 17:13:18,981 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 17:13:18,981 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: \old(unknown-main_\old_#valid-unknown) == \valid - InvariantResult [Line: 56]: Loop Invariant [2020-12-01 17:13:18,984 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-01 17:13:18,984 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 1.08 ms. Allocated memory is still 75.5 MB. Free memory was 33.5 MB in the beginning and 33.5 MB in the end (delta: 32.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 403.99 ms. Allocated memory is still 104.9 MB. Free memory was 72.9 MB in the beginning and 81.0 MB in the end (delta: -8.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 69.23 ms. Allocated memory is still 104.9 MB. Free memory was 81.0 MB in the beginning and 79.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 37.93 ms. Allocated memory is still 104.9 MB. Free memory was 79.4 MB in the beginning and 77.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1079.82 ms. Allocated memory is still 104.9 MB. Free memory was 77.8 MB in the beginning and 72.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 48.5 MB. Max. memory is 16.1 GB. * CodeCheck took 194273.02 ms. Allocated memory was 104.9 MB in the beginning and 2.3 GB in the end (delta: 2.2 GB). Free memory was 72.4 MB in the beginning and 1.9 GB in the end (delta: -1.8 GB). Peak memory consumption was 397.3 MB. Max. memory is 16.1 GB. * Witness Printer took 151.17 ms. Allocated memory is still 2.3 GB. Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 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...