./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/locks/test_locks_13.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_d32bf1ba-a539-4c74-a864-b70c7e13e5bf/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_d32bf1ba-a539-4c74-a864-b70c7e13e5bf/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d32bf1ba-a539-4c74-a864-b70c7e13e5bf/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d32bf1ba-a539-4c74-a864-b70c7e13e5bf/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/locks/test_locks_13.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d32bf1ba-a539-4c74-a864-b70c7e13e5bf/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d32bf1ba-a539-4c74-a864-b70c7e13e5bf/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 837e2aefd0844822f4a3cad7b5ee89b7191bc2c1 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 17:47:54,174 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:47:54,198 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:47:54,265 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:47:54,266 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:47:54,272 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:47:54,275 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:47:54,285 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:47:54,288 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:47:54,297 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:47:54,299 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:47:54,301 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:47:54,302 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:47:54,305 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:47:54,308 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:47:54,310 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:47:54,311 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:47:54,315 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:47:54,319 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:47:54,327 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:47:54,329 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:47:54,331 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:47:54,334 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:47:54,335 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:47:54,345 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:47:54,345 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:47:54,346 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:47:54,347 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:47:54,348 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:47:54,349 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:47:54,349 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:47:54,351 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:47:54,352 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:47:54,353 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:47:54,354 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:47:54,354 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:47:54,355 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:47:54,355 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:47:54,356 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:47:54,357 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:47:54,358 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:47:54,359 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d32bf1ba-a539-4c74-a864-b70c7e13e5bf/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 17:47:54,382 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:47:54,387 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:47:54,388 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:47:54,389 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:47:54,390 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:47:54,390 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:47:54,390 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:47:54,391 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:47:54,391 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:47:54,391 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:47:54,392 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:47:54,393 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:47:54,393 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:47:54,393 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:47:54,393 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:47:54,394 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:47:54,394 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:47:54,394 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:47:54,394 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:47:54,394 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:47:54,395 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:47:54,395 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:47:54,395 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:47:54,395 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:47:54,396 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:47:54,396 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:47:54,396 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:47:54,396 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:47:54,397 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:47:54,397 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_d32bf1ba-a539-4c74-a864-b70c7e13e5bf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_d32bf1ba-a539-4c74-a864-b70c7e13e5bf/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 837e2aefd0844822f4a3cad7b5ee89b7191bc2c1 [2020-12-01 17:47:54,691 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:47:54,724 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:47:54,727 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:47:54,729 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:47:54,730 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:47:54,731 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d32bf1ba-a539-4c74-a864-b70c7e13e5bf/bin/ukojak/../../sv-benchmarks/c/locks/test_locks_13.c [2020-12-01 17:47:54,807 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d32bf1ba-a539-4c74-a864-b70c7e13e5bf/bin/ukojak/data/2c3519ded/516f175116b64da79166eb3ce2dd9554/FLAG0082fb613 [2020-12-01 17:47:55,414 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:47:55,418 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d32bf1ba-a539-4c74-a864-b70c7e13e5bf/sv-benchmarks/c/locks/test_locks_13.c [2020-12-01 17:47:55,442 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d32bf1ba-a539-4c74-a864-b70c7e13e5bf/bin/ukojak/data/2c3519ded/516f175116b64da79166eb3ce2dd9554/FLAG0082fb613 [2020-12-01 17:47:55,770 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d32bf1ba-a539-4c74-a864-b70c7e13e5bf/bin/ukojak/data/2c3519ded/516f175116b64da79166eb3ce2dd9554 [2020-12-01 17:47:55,773 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:47:55,776 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:47:55,780 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:47:55,780 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:47:55,784 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:47:55,785 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:47:55" (1/1) ... [2020-12-01 17:47:55,788 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c7995e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:47:55, skipping insertion in model container [2020-12-01 17:47:55,789 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:47:55" (1/1) ... [2020-12-01 17:47:55,796 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:47:55,858 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:47:56,157 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:47:56,172 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:47:56,219 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:47:56,235 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:47:56,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:47:56 WrapperNode [2020-12-01 17:47:56,236 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:47:56,237 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:47:56,238 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:47:56,238 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:47:56,247 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:47:56" (1/1) ... [2020-12-01 17:47:56,256 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:47:56" (1/1) ... [2020-12-01 17:47:56,283 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:47:56,284 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:47:56,284 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:47:56,285 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:47:56,294 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:47:56" (1/1) ... [2020-12-01 17:47:56,295 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:47:56" (1/1) ... [2020-12-01 17:47:56,297 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:47:56" (1/1) ... [2020-12-01 17:47:56,298 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:47:56" (1/1) ... [2020-12-01 17:47:56,302 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:47:56" (1/1) ... [2020-12-01 17:47:56,308 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:47:56" (1/1) ... [2020-12-01 17:47:56,310 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:47:56" (1/1) ... [2020-12-01 17:47:56,314 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:47:56,315 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:47:56,315 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:47:56,315 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:47:56,316 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:47:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d32bf1ba-a539-4c74-a864-b70c7e13e5bf/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 17:47:56,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:47:56,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:47:56,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 17:47:56,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:47:57,455 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:47:57,456 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-01 17:47:57,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:47:57 BoogieIcfgContainer [2020-12-01 17:47:57,458 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:47:57,459 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:47:57,460 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:47:57,484 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:47:57,485 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:47:57" (1/1) ... [2020-12-01 17:47:57,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:47:57,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:47:57,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 34 states and 61 transitions. [2020-12-01 17:47:57,547 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 61 transitions. [2020-12-01 17:47:57,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-01 17:47:57,549 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:47:57,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:47:57,835 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 17:47:57,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:47:57,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 34 states and 58 transitions. [2020-12-01 17:47:57,898 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 58 transitions. [2020-12-01 17:47:57,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-01 17:47:57,899 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:47:57,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:47:58,060 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 17:47:58,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:47:58,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2020-12-01 17:47:58,275 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2020-12-01 17:47:58,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 17:47:58,276 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:47:58,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:47:58,344 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 17:47:58,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:47:58,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 34 states and 57 transitions. [2020-12-01 17:47:58,442 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 57 transitions. [2020-12-01 17:47:58,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 17:47:58,443 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:47:58,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:47:58,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:47:58,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:47:58,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 37 states and 62 transitions. [2020-12-01 17:47:58,887 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 62 transitions. [2020-12-01 17:47:58,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 17:47:58,888 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:47:58,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:47:58,949 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 17:47:59,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:47:59,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2020-12-01 17:47:59,091 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2020-12-01 17:47:59,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 17:47:59,093 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:47:59,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:47:59,209 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 17:47:59,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:47:59,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 40 states and 67 transitions. [2020-12-01 17:47:59,783 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 67 transitions. [2020-12-01 17:47:59,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 17:47:59,785 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:47:59,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:47:59,839 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 17:47:59,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:47:59,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 38 states and 64 transitions. [2020-12-01 17:47:59,981 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2020-12-01 17:47:59,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 17:47:59,982 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:00,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:00,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:48:00,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:00,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 37 states and 61 transitions. [2020-12-01 17:48:00,217 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 61 transitions. [2020-12-01 17:48:00,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 17:48:00,219 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:00,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:00,253 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 17:48:00,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:00,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 38 states and 61 transitions. [2020-12-01 17:48:00,418 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 61 transitions. [2020-12-01 17:48:00,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 17:48:00,419 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:00,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:00,549 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 17:48:01,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:01,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 43 states and 72 transitions. [2020-12-01 17:48:01,548 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 72 transitions. [2020-12-01 17:48:01,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 17:48:01,550 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:01,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:01,593 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 17:48:01,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:01,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 39 states and 66 transitions. [2020-12-01 17:48:01,775 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 66 transitions. [2020-12-01 17:48:01,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 17:48:01,775 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:01,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:01,813 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 17:48:02,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:02,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2020-12-01 17:48:02,089 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2020-12-01 17:48:02,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 17:48:02,090 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:02,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:02,150 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 17:48:02,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:02,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 39 states and 63 transitions. [2020-12-01 17:48:02,406 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 63 transitions. [2020-12-01 17:48:02,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 17:48:02,407 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:02,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:02,445 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 17:48:02,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:02,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 40 states and 63 transitions. [2020-12-01 17:48:02,635 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 63 transitions. [2020-12-01 17:48:02,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 17:48:02,636 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:02,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:02,762 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 17:48:04,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:04,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 46 states and 77 transitions. [2020-12-01 17:48:04,090 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 77 transitions. [2020-12-01 17:48:04,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 17:48:04,090 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:04,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:04,122 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 17:48:04,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:04,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 40 states and 68 transitions. [2020-12-01 17:48:04,344 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 68 transitions. [2020-12-01 17:48:04,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 17:48:04,346 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:04,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:04,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:48:04,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:04,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 65 transitions. [2020-12-01 17:48:04,674 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 65 transitions. [2020-12-01 17:48:04,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 17:48:04,675 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:04,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:04,692 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 17:48:04,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:04,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 40 states and 65 transitions. [2020-12-01 17:48:04,965 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 65 transitions. [2020-12-01 17:48:04,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 17:48:04,966 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:04,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:04,992 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 17:48:05,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:05,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 41 states and 65 transitions. [2020-12-01 17:48:05,290 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 65 transitions. [2020-12-01 17:48:05,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 17:48:05,291 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:05,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:05,480 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 17:48:07,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:07,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 48 states and 82 transitions. [2020-12-01 17:48:07,816 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 82 transitions. [2020-12-01 17:48:07,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 17:48:07,818 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:07,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:07,845 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 17:48:08,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:08,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 49 states and 82 transitions. [2020-12-01 17:48:08,093 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 82 transitions. [2020-12-01 17:48:08,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 17:48:08,093 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:08,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:08,110 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 17:48:08,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:08,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 41 states and 70 transitions. [2020-12-01 17:48:08,386 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 70 transitions. [2020-12-01 17:48:08,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:48:08,386 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:08,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:08,403 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 17:48:08,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:08,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 40 states and 67 transitions. [2020-12-01 17:48:08,799 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 67 transitions. [2020-12-01 17:48:08,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:48:08,799 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:08,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:08,821 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 17:48:09,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:09,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 41 states and 67 transitions. [2020-12-01 17:48:09,167 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 67 transitions. [2020-12-01 17:48:09,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:48:09,167 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:09,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:09,199 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 17:48:09,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:09,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 42 states and 67 transitions. [2020-12-01 17:48:09,503 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 67 transitions. [2020-12-01 17:48:09,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:48:09,504 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:09,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:09,527 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 17:48:09,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:09,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 43 states and 67 transitions. [2020-12-01 17:48:09,812 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 67 transitions. [2020-12-01 17:48:09,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:48:09,813 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:09,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:10,035 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 17:48:12,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:12,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 51 states and 87 transitions. [2020-12-01 17:48:12,758 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 87 transitions. [2020-12-01 17:48:12,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:48:12,758 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:12,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:12,774 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 17:48:13,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:13,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 52 states and 87 transitions. [2020-12-01 17:48:13,070 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 87 transitions. [2020-12-01 17:48:13,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:48:13,070 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:13,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:13,085 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 17:48:13,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:13,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 42 states and 72 transitions. [2020-12-01 17:48:13,538 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 72 transitions. [2020-12-01 17:48:13,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 17:48:13,538 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:13,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:13,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:48:14,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:14,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 69 transitions. [2020-12-01 17:48:14,020 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 69 transitions. [2020-12-01 17:48:14,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 17:48:14,020 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:14,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:14,039 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 17:48:14,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:14,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 42 states and 69 transitions. [2020-12-01 17:48:14,425 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 69 transitions. [2020-12-01 17:48:14,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 17:48:14,426 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:14,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:14,444 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 17:48:14,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:14,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 43 states and 69 transitions. [2020-12-01 17:48:14,905 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 69 transitions. [2020-12-01 17:48:14,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 17:48:14,906 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:14,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:14,925 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 17:48:15,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:15,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 44 states and 69 transitions. [2020-12-01 17:48:15,264 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 69 transitions. [2020-12-01 17:48:15,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 17:48:15,264 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:15,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:15,278 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 17:48:15,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:15,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 45 states and 69 transitions. [2020-12-01 17:48:15,607 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 69 transitions. [2020-12-01 17:48:15,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 17:48:15,607 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:15,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:15,830 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 17:48:20,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:20,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 54 states and 92 transitions. [2020-12-01 17:48:20,169 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 92 transitions. [2020-12-01 17:48:20,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 17:48:20,169 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:20,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:20,191 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 17:48:20,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:20,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 55 states and 92 transitions. [2020-12-01 17:48:20,648 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 92 transitions. [2020-12-01 17:48:20,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 17:48:20,649 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:20,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:20,682 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 17:48:21,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:21,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 43 states and 74 transitions. [2020-12-01 17:48:21,267 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 74 transitions. [2020-12-01 17:48:21,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 17:48:21,267 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:21,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:21,283 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 17:48:21,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:21,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 42 states and 71 transitions. [2020-12-01 17:48:21,981 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 71 transitions. [2020-12-01 17:48:21,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 17:48:21,981 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:21,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:22,015 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 17:48:22,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:22,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 43 states and 71 transitions. [2020-12-01 17:48:22,794 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 71 transitions. [2020-12-01 17:48:22,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 17:48:22,794 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:22,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:22,810 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 17:48:23,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:23,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 44 states and 71 transitions. [2020-12-01 17:48:23,411 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 71 transitions. [2020-12-01 17:48:23,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 17:48:23,411 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:23,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:23,431 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 17:48:24,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:24,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 45 states and 71 transitions. [2020-12-01 17:48:24,019 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 71 transitions. [2020-12-01 17:48:24,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 17:48:24,019 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:24,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:24,045 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 17:48:24,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:24,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 46 states and 71 transitions. [2020-12-01 17:48:24,614 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 71 transitions. [2020-12-01 17:48:24,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 17:48:24,614 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:24,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:25,061 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 17:48:30,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:30,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 56 states and 97 transitions. [2020-12-01 17:48:30,764 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 97 transitions. [2020-12-01 17:48:30,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 17:48:30,765 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:30,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:30,790 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 17:48:31,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:31,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 57 states and 97 transitions. [2020-12-01 17:48:31,236 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 97 transitions. [2020-12-01 17:48:31,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 17:48:31,236 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:31,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:31,253 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 17:48:31,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:31,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 58 states and 97 transitions. [2020-12-01 17:48:31,945 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 97 transitions. [2020-12-01 17:48:31,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 17:48:31,945 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:31,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:31,964 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 17:48:32,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:32,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 44 states and 76 transitions. [2020-12-01 17:48:32,614 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 76 transitions. [2020-12-01 17:48:32,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 17:48:32,614 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:32,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:32,634 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 17:48:33,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:33,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 43 states and 73 transitions. [2020-12-01 17:48:33,429 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 73 transitions. [2020-12-01 17:48:33,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 17:48:33,430 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:33,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:33,464 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 17:48:34,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:34,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 44 states and 73 transitions. [2020-12-01 17:48:34,236 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 73 transitions. [2020-12-01 17:48:34,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 17:48:34,236 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:34,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:34,253 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 17:48:34,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:34,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 45 states and 73 transitions. [2020-12-01 17:48:34,923 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 73 transitions. [2020-12-01 17:48:34,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 17:48:34,923 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:34,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:34,943 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 17:48:35,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:35,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 46 states and 73 transitions. [2020-12-01 17:48:35,572 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 73 transitions. [2020-12-01 17:48:35,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 17:48:35,572 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:35,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:35,589 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 17:48:36,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:36,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 47 states and 73 transitions. [2020-12-01 17:48:36,186 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 73 transitions. [2020-12-01 17:48:36,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 17:48:36,187 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:36,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:36,502 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 17:48:44,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:44,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 58 states and 102 transitions. [2020-12-01 17:48:44,335 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 102 transitions. [2020-12-01 17:48:44,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 17:48:44,335 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:44,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:44,358 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 17:48:44,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:44,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 59 states and 102 transitions. [2020-12-01 17:48:44,936 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 102 transitions. [2020-12-01 17:48:44,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 17:48:44,936 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:44,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:44,950 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 17:48:45,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:45,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 60 states and 102 transitions. [2020-12-01 17:48:45,468 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 102 transitions. [2020-12-01 17:48:45,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 17:48:45,469 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:45,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:45,488 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 17:48:46,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:46,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 61 states and 102 transitions. [2020-12-01 17:48:46,185 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 102 transitions. [2020-12-01 17:48:46,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 17:48:46,186 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:46,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:46,205 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 17:48:47,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:47,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 45 states and 78 transitions. [2020-12-01 17:48:47,033 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 78 transitions. [2020-12-01 17:48:47,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:48:47,033 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:47,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:47,062 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 17:48:48,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:48,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 44 states and 75 transitions. [2020-12-01 17:48:48,044 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 75 transitions. [2020-12-01 17:48:48,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:48:48,045 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:48,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:48,064 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 17:48:49,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:49,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 45 states and 75 transitions. [2020-12-01 17:48:49,108 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 75 transitions. [2020-12-01 17:48:49,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:48:49,109 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:49,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:49,125 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 17:48:49,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:49,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 46 states and 75 transitions. [2020-12-01 17:48:49,938 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 75 transitions. [2020-12-01 17:48:49,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:48:49,939 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:49,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:49,959 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 17:48:50,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:50,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 47 states and 75 transitions. [2020-12-01 17:48:50,762 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 75 transitions. [2020-12-01 17:48:50,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:48:50,763 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:50,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:50,779 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 17:48:51,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:51,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 48 states and 75 transitions. [2020-12-01 17:48:51,599 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 75 transitions. [2020-12-01 17:48:51,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:48:51,599 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:51,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:51,619 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 17:48:52,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:48:52,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 49 states and 75 transitions. [2020-12-01 17:48:52,314 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 75 transitions. [2020-12-01 17:48:52,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:48:52,315 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:48:52,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:48:52,814 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 17:49:02,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:49:02,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 61 states and 107 transitions. [2020-12-01 17:49:02,636 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 107 transitions. [2020-12-01 17:49:02,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:49:02,636 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:49:02,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:49:02,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:49:03,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:49:03,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 62 states and 107 transitions. [2020-12-01 17:49:03,415 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 107 transitions. [2020-12-01 17:49:03,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:49:03,416 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:49:03,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:49:03,433 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 17:49:04,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:49:04,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 63 states and 107 transitions. [2020-12-01 17:49:04,148 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 107 transitions. [2020-12-01 17:49:04,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:49:04,148 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:49:04,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:49:04,164 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 17:49:04,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:49:04,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 64 states and 107 transitions. [2020-12-01 17:49:04,962 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 107 transitions. [2020-12-01 17:49:04,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:49:04,963 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:49:04,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:49:04,997 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 17:49:05,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:49:05,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 46 states and 80 transitions. [2020-12-01 17:49:05,902 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 80 transitions. [2020-12-01 17:49:05,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:49:05,903 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:49:05,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:49:05,921 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 17:49:06,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:49:06,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 45 states and 77 transitions. [2020-12-01 17:49:06,915 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 77 transitions. [2020-12-01 17:49:06,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:49:06,915 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:49:06,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:49:06,930 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 17:49:07,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:49:07,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 46 states and 77 transitions. [2020-12-01 17:49:07,721 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 77 transitions. [2020-12-01 17:49:07,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:49:07,722 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:49:07,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:49:07,737 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 17:49:08,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:49:08,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 47 states and 77 transitions. [2020-12-01 17:49:08,508 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 77 transitions. [2020-12-01 17:49:08,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:49:08,508 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:49:08,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:49:08,519 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 17:49:09,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:49:09,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 48 states and 77 transitions. [2020-12-01 17:49:09,312 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 77 transitions. [2020-12-01 17:49:09,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:49:09,313 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:49:09,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:49:09,328 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 17:49:10,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:49:10,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 49 states and 77 transitions. [2020-12-01 17:49:10,259 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 77 transitions. [2020-12-01 17:49:10,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:49:10,260 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:49:10,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:49:10,274 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 17:49:10,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:49:10,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 50 states and 77 transitions. [2020-12-01 17:49:10,996 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 77 transitions. [2020-12-01 17:49:10,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:49:10,997 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:49:11,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:49:11,463 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 17:49:22,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:49:22,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 63 states and 112 transitions. [2020-12-01 17:49:22,929 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 112 transitions. [2020-12-01 17:49:22,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:49:22,929 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:49:22,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:49:22,946 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 17:49:23,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:49:23,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 64 states and 112 transitions. [2020-12-01 17:49:23,801 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 112 transitions. [2020-12-01 17:49:23,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:49:23,802 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:49:23,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:49:23,823 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 17:49:24,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:49:24,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 65 states and 112 transitions. [2020-12-01 17:49:24,664 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 112 transitions. [2020-12-01 17:49:24,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:49:24,665 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:49:24,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:49:24,681 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 17:49:25,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:49:25,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 66 states and 112 transitions. [2020-12-01 17:49:25,533 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 112 transitions. [2020-12-01 17:49:25,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:49:25,534 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:49:25,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:49:25,547 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 17:49:26,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:49:26,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 67 states and 112 transitions. [2020-12-01 17:49:26,497 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 112 transitions. [2020-12-01 17:49:26,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:49:26,498 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:49:26,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:49:26,514 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 17:49:27,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:49:27,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 47 states and 82 transitions. [2020-12-01 17:49:27,741 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 82 transitions. [2020-12-01 17:49:27,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 17:49:27,741 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:49:27,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:49:27,756 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 17:49:29,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:49:29,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 46 states and 79 transitions. [2020-12-01 17:49:29,288 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 79 transitions. [2020-12-01 17:49:29,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 17:49:29,289 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:49:29,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:49:29,303 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 17:49:30,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:49:30,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 47 states and 79 transitions. [2020-12-01 17:49:30,313 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 79 transitions. [2020-12-01 17:49:30,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 17:49:30,314 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:49:30,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:49:30,328 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 17:49:31,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:49:31,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 48 states and 79 transitions. [2020-12-01 17:49:31,340 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 79 transitions. [2020-12-01 17:49:31,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 17:49:31,341 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:49:31,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:49:31,357 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 17:49:32,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:49:32,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 49 states and 79 transitions. [2020-12-01 17:49:32,459 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 79 transitions. [2020-12-01 17:49:32,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 17:49:32,459 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:49:32,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:49:32,473 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 17:49:33,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:49:33,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 50 states and 79 transitions. [2020-12-01 17:49:33,406 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 79 transitions. [2020-12-01 17:49:33,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 17:49:33,406 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:49:33,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:49:33,419 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 17:49:34,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:49:34,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 51 states and 79 transitions. [2020-12-01 17:49:34,313 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 79 transitions. [2020-12-01 17:49:34,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 17:49:34,313 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:49:34,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:49:34,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:49:35,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:49:35,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 52 states and 79 transitions. [2020-12-01 17:49:35,194 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 79 transitions. [2020-12-01 17:49:35,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 17:49:35,195 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:49:35,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:49:35,205 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 17:49:36,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:49:36,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 53 states and 79 transitions. [2020-12-01 17:49:36,174 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 79 transitions. [2020-12-01 17:49:36,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 17:49:36,174 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:49:36,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:49:36,187 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 17:49:37,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:49:37,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 54 states and 79 transitions. [2020-12-01 17:49:37,414 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 79 transitions. [2020-12-01 17:49:37,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 17:49:37,414 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:49:37,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:49:37,426 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 17:49:38,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:49:38,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 55 states and 79 transitions. [2020-12-01 17:49:38,347 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2020-12-01 17:49:38,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 17:49:38,348 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:49:38,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:49:38,362 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 17:49:39,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:49:39,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 56 states and 79 transitions. [2020-12-01 17:49:39,414 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 79 transitions. [2020-12-01 17:49:39,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 17:49:39,414 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:49:39,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:49:39,435 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 17:49:40,495 WARN L197 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2020-12-01 17:49:40,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:49:40,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 32 states and 45 transitions. [2020-12-01 17:49:40,939 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 45 transitions. [2020-12-01 17:49:40,939 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 17:49:40,940 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 92 iterations. [2020-12-01 17:49:40,947 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 17:49:41,824 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:49:41,829 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:49:41,829 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:49:41,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:49:41 ImpRootNode [2020-12-01 17:49:41,830 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 17:49:41,831 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 17:49:41,831 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 17:49:41,831 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 17:49:41,832 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:47:57" (3/4) ... [2020-12-01 17:49:41,835 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 17:49:41,849 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2020-12-01 17:49:41,850 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-01 17:49:41,851 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 17:49:41,852 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 17:49:41,958 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_d32bf1ba-a539-4c74-a864-b70c7e13e5bf/bin/ukojak/witness.graphml [2020-12-01 17:49:41,958 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 17:49:41,960 INFO L168 Benchmark]: Toolchain (without parser) took 106183.64 ms. Allocated memory was 90.2 MB in the beginning and 1.5 GB in the end (delta: 1.4 GB). Free memory was 52.4 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 256.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:49:41,960 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 90.2 MB. Free memory is still 68.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:49:41,961 INFO L168 Benchmark]: CACSL2BoogieTranslator took 456.25 ms. Allocated memory is still 90.2 MB. Free memory was 52.2 MB in the beginning and 65.9 MB in the end (delta: -13.7 MB). Peak memory consumption was 5.9 MB. Max. memory is 16.1 GB. [2020-12-01 17:49:41,961 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.08 ms. Allocated memory is still 90.2 MB. Free memory was 65.9 MB in the beginning and 64.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:49:41,961 INFO L168 Benchmark]: Boogie Preprocessor took 29.81 ms. Allocated memory is still 90.2 MB. Free memory was 63.9 MB in the beginning and 62.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:49:41,962 INFO L168 Benchmark]: RCFGBuilder took 1143.82 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 62.5 MB in the beginning and 68.3 MB in the end (delta: -5.7 MB). Peak memory consumption was 33.5 MB. Max. memory is 16.1 GB. [2020-12-01 17:49:41,963 INFO L168 Benchmark]: CodeCheck took 104370.72 ms. Allocated memory was 109.1 MB in the beginning and 1.5 GB in the end (delta: 1.4 GB). Free memory was 68.3 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 249.9 MB. Max. memory is 16.1 GB. [2020-12-01 17:49:41,963 INFO L168 Benchmark]: Witness Printer took 128.00 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 17:49:41,967 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, 34 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 103.4s, OverallIterations: 92, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 SDtfs, -1101012996 SDslu, 0 SDs, 0 SdLazy, -1114128392 SolverSat, 2114969596 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 82.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14079 GetRequests, 13403 SyntacticMatches, 0 SemanticMatches, 676 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 223420 ImplicationChecksByTransitivity, 98.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 1352 NumberOfCodeBlocks, 1352 NumberOfCodeBlocksAsserted, 91 NumberOfCheckSat, 1261 ConstructedInterpolants, 0 QuantifiedInterpolants, 101387 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 91 InterpolantComputations, 91 PerfectInterpolantSequences, 0/0 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]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 6]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 90.2 MB. Free memory is still 68.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 456.25 ms. Allocated memory is still 90.2 MB. Free memory was 52.2 MB in the beginning and 65.9 MB in the end (delta: -13.7 MB). Peak memory consumption was 5.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 46.08 ms. Allocated memory is still 90.2 MB. Free memory was 65.9 MB in the beginning and 64.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 29.81 ms. Allocated memory is still 90.2 MB. Free memory was 63.9 MB in the beginning and 62.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1143.82 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 62.5 MB in the beginning and 68.3 MB in the end (delta: -5.7 MB). Peak memory consumption was 33.5 MB. Max. memory is 16.1 GB. * CodeCheck took 104370.72 ms. Allocated memory was 109.1 MB in the beginning and 1.5 GB in the end (delta: 1.4 GB). Free memory was 68.3 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 249.9 MB. Max. memory is 16.1 GB. * Witness Printer took 128.00 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...