./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-numeric/java_LogBuiltIn.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8837b727-5505-48f2-8c2b-aac1b2df5a7f/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8837b727-5505-48f2-8c2b-aac1b2df5a7f/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8837b727-5505-48f2-8c2b-aac1b2df5a7f/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8837b727-5505-48f2-8c2b-aac1b2df5a7f/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-numeric/java_LogBuiltIn.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8837b727-5505-48f2-8c2b-aac1b2df5a7f/bin/ukojak-2xVlg8857e/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8837b727-5505-48f2-8c2b-aac1b2df5a7f/bin/ukojak-2xVlg8857e --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6d6de59cf2b416f7340c8c861064933450d6034e9a050a1b7fe5107e8fa4152f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 23:43:49,336 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 23:43:49,338 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 23:43:49,370 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 23:43:49,370 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 23:43:49,372 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 23:43:49,374 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 23:43:49,376 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 23:43:49,379 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 23:43:49,380 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 23:43:49,382 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 23:43:49,383 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 23:43:49,384 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 23:43:49,385 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 23:43:49,387 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 23:43:49,389 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 23:43:49,390 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 23:43:49,392 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 23:43:49,394 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 23:43:49,397 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 23:43:49,400 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 23:43:49,401 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 23:43:49,403 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 23:43:49,404 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 23:43:49,408 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 23:43:49,409 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 23:43:49,409 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 23:43:49,411 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 23:43:49,411 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 23:43:49,413 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 23:43:49,413 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 23:43:49,415 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 23:43:49,416 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 23:43:49,417 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 23:43:49,418 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 23:43:49,418 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 23:43:49,420 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 23:43:49,420 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 23:43:49,421 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 23:43:49,422 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 23:43:49,423 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 23:43:49,424 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8837b727-5505-48f2-8c2b-aac1b2df5a7f/bin/ukojak-2xVlg8857e/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-13 23:43:49,447 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 23:43:49,448 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 23:43:49,448 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 23:43:49,449 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 23:43:49,450 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 23:43:49,450 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 23:43:49,450 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 23:43:49,450 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 23:43:49,451 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 23:43:49,451 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 23:43:49,451 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 23:43:49,451 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 23:43:49,452 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 23:43:49,452 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-13 23:43:49,452 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 23:43:49,452 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 23:43:49,452 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 23:43:49,453 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 23:43:49,453 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 23:43:49,453 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 23:43:49,453 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:43:49,454 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 23:43:49,454 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 23:43:49,454 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 23:43:49,454 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 23:43:49,455 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 23:43:49,455 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 23:43:49,455 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8837b727-5505-48f2-8c2b-aac1b2df5a7f/bin/ukojak-2xVlg8857e/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8837b727-5505-48f2-8c2b-aac1b2df5a7f/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6d6de59cf2b416f7340c8c861064933450d6034e9a050a1b7fe5107e8fa4152f [2021-11-13 23:43:49,780 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 23:43:49,817 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 23:43:49,820 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 23:43:49,821 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 23:43:49,822 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 23:43:49,825 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8837b727-5505-48f2-8c2b-aac1b2df5a7f/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/termination-numeric/java_LogBuiltIn.c [2021-11-13 23:43:49,908 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8837b727-5505-48f2-8c2b-aac1b2df5a7f/bin/ukojak-2xVlg8857e/data/207996969/0735d6d77f80467380fc991ac17ba450/FLAG4213df068 [2021-11-13 23:43:50,459 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 23:43:50,459 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8837b727-5505-48f2-8c2b-aac1b2df5a7f/sv-benchmarks/c/termination-numeric/java_LogBuiltIn.c [2021-11-13 23:43:50,471 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8837b727-5505-48f2-8c2b-aac1b2df5a7f/bin/ukojak-2xVlg8857e/data/207996969/0735d6d77f80467380fc991ac17ba450/FLAG4213df068 [2021-11-13 23:43:50,833 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8837b727-5505-48f2-8c2b-aac1b2df5a7f/bin/ukojak-2xVlg8857e/data/207996969/0735d6d77f80467380fc991ac17ba450 [2021-11-13 23:43:50,836 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 23:43:50,837 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 23:43:50,847 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 23:43:50,847 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 23:43:50,850 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 23:43:50,851 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:43:50" (1/1) ... [2021-11-13 23:43:50,857 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68c4f0f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:43:50, skipping insertion in model container [2021-11-13 23:43:50,857 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:43:50" (1/1) ... [2021-11-13 23:43:50,872 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 23:43:50,886 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 23:43:51,068 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:43:51,075 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 23:43:51,099 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:43:51,111 INFO L208 MainTranslator]: Completed translation [2021-11-13 23:43:51,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:43:51 WrapperNode [2021-11-13 23:43:51,112 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 23:43:51,113 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 23:43:51,113 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 23:43:51,114 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 23:43:51,121 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:43:51" (1/1) ... [2021-11-13 23:43:51,126 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:43:51" (1/1) ... [2021-11-13 23:43:51,149 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 23:43:51,150 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 23:43:51,152 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 23:43:51,152 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 23:43:51,160 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:43:51" (1/1) ... [2021-11-13 23:43:51,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:43:51" (1/1) ... [2021-11-13 23:43:51,162 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:43:51" (1/1) ... [2021-11-13 23:43:51,162 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:43:51" (1/1) ... [2021-11-13 23:43:51,169 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:43:51" (1/1) ... [2021-11-13 23:43:51,173 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:43:51" (1/1) ... [2021-11-13 23:43:51,174 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:43:51" (1/1) ... [2021-11-13 23:43:51,177 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 23:43:51,178 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 23:43:51,179 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 23:43:51,179 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 23:43:51,180 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:43:51" (1/1) ... [2021-11-13 23:43:51,188 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:43:51,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8837b727-5505-48f2-8c2b-aac1b2df5a7f/bin/ukojak-2xVlg8857e/z3 [2021-11-13 23:43:51,217 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8837b727-5505-48f2-8c2b-aac1b2df5a7f/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 23:43:51,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8837b727-5505-48f2-8c2b-aac1b2df5a7f/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 23:43:51,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 23:43:51,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 23:43:51,500 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 23:43:51,501 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-13 23:43:51,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:43:51 BoogieIcfgContainer [2021-11-13 23:43:51,504 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 23:43:51,505 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 23:43:51,506 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 23:43:51,517 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 23:43:51,518 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:43:51" (1/1) ... [2021-11-13 23:43:51,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 23:43:51,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:51,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2021-11-13 23:43:51,611 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2021-11-13 23:43:51,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-13 23:43:51,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:51,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:51,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:51,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:43:51,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:51,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2021-11-13 23:43:51,882 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2021-11-13 23:43:51,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 23:43:51,882 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:51,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:51,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:51,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:43:51,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:51,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2021-11-13 23:43:51,976 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2021-11-13 23:43:51,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-13 23:43:51,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:51,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:51,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:52,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:43:52,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:52,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2021-11-13 23:43:52,283 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2021-11-13 23:43:52,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 23:43:52,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:52,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:52,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:52,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:43:52,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:52,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2021-11-13 23:43:52,828 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2021-11-13 23:43:52,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 23:43:52,829 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:52,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:52,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:52,975 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:43:53,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:53,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2021-11-13 23:43:53,298 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2021-11-13 23:43:53,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 23:43:53,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:53,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:53,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:53,403 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:43:53,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:53,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 31 states and 47 transitions. [2021-11-13 23:43:53,923 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 47 transitions. [2021-11-13 23:43:53,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 23:43:53,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:53,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:53,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:54,130 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:43:54,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:54,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 35 states and 51 transitions. [2021-11-13 23:43:54,674 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 51 transitions. [2021-11-13 23:43:54,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 23:43:54,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:54,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:54,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:54,797 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:43:55,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:55,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 40 states and 61 transitions. [2021-11-13 23:43:55,494 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 61 transitions. [2021-11-13 23:43:55,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:43:55,494 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:55,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:55,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:55,783 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:43:56,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:56,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 45 states and 66 transitions. [2021-11-13 23:43:56,496 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 66 transitions. [2021-11-13 23:43:56,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-13 23:43:56,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:56,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:56,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:56,617 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:43:57,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:57,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 50 states and 76 transitions. [2021-11-13 23:43:57,478 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 76 transitions. [2021-11-13 23:43:57,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 23:43:57,479 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:57,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:57,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:57,864 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:43:58,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:58,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 55 states and 81 transitions. [2021-11-13 23:43:58,664 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 81 transitions. [2021-11-13 23:43:58,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 23:43:58,664 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:58,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:58,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:58,802 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:43:59,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:59,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 60 states and 91 transitions. [2021-11-13 23:43:59,632 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 91 transitions. [2021-11-13 23:43:59,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-13 23:43:59,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:59,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:59,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:44:00,045 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:44:00,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:44:00,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 65 states and 96 transitions. [2021-11-13 23:44:00,922 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 96 transitions. [2021-11-13 23:44:00,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 23:44:00,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:44:00,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:44:00,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:44:01,103 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:44:02,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:44:02,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 70 states and 106 transitions. [2021-11-13 23:44:02,159 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 106 transitions. [2021-11-13 23:44:02,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-13 23:44:02,160 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:44:02,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:44:02,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:44:02,664 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:44:03,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:44:03,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 75 states and 111 transitions. [2021-11-13 23:44:03,813 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 111 transitions. [2021-11-13 23:44:03,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-13 23:44:03,814 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:44:03,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:44:03,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:44:03,982 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:44:05,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:44:05,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 80 states and 121 transitions. [2021-11-13 23:44:05,140 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 121 transitions. [2021-11-13 23:44:05,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-13 23:44:05,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:44:05,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:44:05,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:44:05,778 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:44:06,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:44:06,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 85 states and 126 transitions. [2021-11-13 23:44:06,958 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 126 transitions. [2021-11-13 23:44:06,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-13 23:44:06,959 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:44:06,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:44:06,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:44:07,185 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:44:08,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:44:08,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 90 states and 136 transitions. [2021-11-13 23:44:08,666 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 136 transitions. [2021-11-13 23:44:08,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-13 23:44:08,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:44:08,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:44:08,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:44:09,334 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:44:10,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:44:10,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 95 states and 141 transitions. [2021-11-13 23:44:10,636 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 141 transitions. [2021-11-13 23:44:10,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-13 23:44:10,638 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:44:10,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:44:10,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:44:10,927 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:44:12,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:44:12,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 100 states and 151 transitions. [2021-11-13 23:44:12,388 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 151 transitions. [2021-11-13 23:44:12,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-13 23:44:12,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:44:12,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:44:12,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:44:13,242 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 198 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:44:14,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:44:14,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 105 states and 156 transitions. [2021-11-13 23:44:14,654 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 156 transitions. [2021-11-13 23:44:14,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-13 23:44:14,654 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:44:14,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:44:14,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:44:14,961 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:44:16,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:44:16,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 110 states and 166 transitions. [2021-11-13 23:44:16,619 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 166 transitions. [2021-11-13 23:44:16,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-13 23:44:16,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:44:16,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:44:16,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:44:17,748 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 245 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:44:19,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:44:19,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 115 states and 171 transitions. [2021-11-13 23:44:19,312 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 171 transitions. [2021-11-13 23:44:19,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-13 23:44:19,312 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:44:19,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:44:19,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:44:19,582 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:44:21,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:44:21,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 120 states and 181 transitions. [2021-11-13 23:44:21,404 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 181 transitions. [2021-11-13 23:44:21,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-13 23:44:21,404 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:44:21,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:44:21,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:44:22,550 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 297 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:44:24,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:44:24,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 125 states and 186 transitions. [2021-11-13 23:44:24,290 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 186 transitions. [2021-11-13 23:44:24,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-13 23:44:24,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:44:24,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:44:24,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:44:24,592 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 0 proven. 319 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:44:26,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:44:26,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 130 states and 196 transitions. [2021-11-13 23:44:26,484 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 196 transitions. [2021-11-13 23:44:26,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-13 23:44:26,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:44:26,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:44:26,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:44:27,776 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 354 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:44:29,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:44:29,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 135 states and 201 transitions. [2021-11-13 23:44:29,582 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 201 transitions. [2021-11-13 23:44:29,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-13 23:44:29,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:44:29,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:44:29,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:44:29,944 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:44:32,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:44:32,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 140 states and 211 transitions. [2021-11-13 23:44:32,121 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 211 transitions. [2021-11-13 23:44:32,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-13 23:44:32,122 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:44:32,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:44:32,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:44:33,739 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 416 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:44:35,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:44:35,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 145 states and 216 transitions. [2021-11-13 23:44:35,720 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 216 transitions. [2021-11-13 23:44:35,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-13 23:44:35,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:44:35,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:44:35,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:44:36,157 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:44:38,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:44:38,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 150 states and 226 transitions. [2021-11-13 23:44:38,443 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 226 transitions. [2021-11-13 23:44:38,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-13 23:44:38,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:44:38,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:44:38,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:44:40,153 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 483 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:44:42,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:44:42,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 155 states and 231 transitions. [2021-11-13 23:44:42,405 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 231 transitions. [2021-11-13 23:44:42,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-13 23:44:42,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:44:42,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:44:42,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:44:42,833 INFO L134 CoverageAnalysis]: Checked inductivity of 511 backedges. 0 proven. 511 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:44:45,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:44:45,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 160 states and 241 transitions. [2021-11-13 23:44:45,421 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 241 transitions. [2021-11-13 23:44:45,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-13 23:44:45,421 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:44:45,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:44:45,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:44:47,413 INFO L134 CoverageAnalysis]: Checked inductivity of 555 backedges. 555 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:44:49,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:44:49,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 165 states and 246 transitions. [2021-11-13 23:44:49,666 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 246 transitions. [2021-11-13 23:44:49,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-13 23:44:49,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:44:49,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:44:49,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:44:50,149 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 0 proven. 585 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:44:52,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:44:52,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 170 states and 256 transitions. [2021-11-13 23:44:52,656 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 256 transitions. [2021-11-13 23:44:52,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-13 23:44:52,657 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:44:52,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:44:52,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:44:55,065 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 632 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:44:57,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:44:57,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 175 states and 261 transitions. [2021-11-13 23:44:57,547 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 261 transitions. [2021-11-13 23:44:57,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-13 23:44:57,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:44:57,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:44:57,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:44:58,038 INFO L134 CoverageAnalysis]: Checked inductivity of 664 backedges. 0 proven. 664 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:45:00,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:45:00,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 180 states and 271 transitions. [2021-11-13 23:45:00,786 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 271 transitions. [2021-11-13 23:45:00,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-13 23:45:00,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:45:00,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:45:00,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:45:03,169 INFO L134 CoverageAnalysis]: Checked inductivity of 714 backedges. 714 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:45:05,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:45:05,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 185 states and 276 transitions. [2021-11-13 23:45:05,705 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 276 transitions. [2021-11-13 23:45:05,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-13 23:45:05,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:45:05,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:45:05,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:45:06,214 INFO L134 CoverageAnalysis]: Checked inductivity of 748 backedges. 0 proven. 748 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:45:09,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:45:09,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 190 states and 286 transitions. [2021-11-13 23:45:09,259 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 286 transitions. [2021-11-13 23:45:09,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-13 23:45:09,259 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:45:09,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:45:09,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:45:11,902 INFO L134 CoverageAnalysis]: Checked inductivity of 801 backedges. 801 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:45:14,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:45:14,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 195 states and 291 transitions. [2021-11-13 23:45:14,526 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 291 transitions. [2021-11-13 23:45:14,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-13 23:45:14,527 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:45:14,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:45:14,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:45:15,058 INFO L134 CoverageAnalysis]: Checked inductivity of 837 backedges. 0 proven. 837 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:45:18,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:45:18,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 200 states and 301 transitions. [2021-11-13 23:45:18,337 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 301 transitions. [2021-11-13 23:45:18,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-13 23:45:18,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:45:18,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:45:18,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:45:21,390 INFO L134 CoverageAnalysis]: Checked inductivity of 893 backedges. 893 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:45:24,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:45:24,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 205 states and 306 transitions. [2021-11-13 23:45:24,319 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 306 transitions. [2021-11-13 23:45:24,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-13 23:45:24,320 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:45:24,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:45:24,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:45:24,913 INFO L134 CoverageAnalysis]: Checked inductivity of 931 backedges. 0 proven. 931 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:45:28,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:45:28,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 210 states and 316 transitions. [2021-11-13 23:45:28,239 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 316 transitions. [2021-11-13 23:45:28,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-13 23:45:28,240 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:45:28,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:45:28,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:45:31,582 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 990 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:45:34,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:45:34,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 215 states and 321 transitions. [2021-11-13 23:45:34,694 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 321 transitions. [2021-11-13 23:45:34,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-13 23:45:34,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:45:34,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:45:34,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:45:35,291 INFO L134 CoverageAnalysis]: Checked inductivity of 1030 backedges. 0 proven. 1030 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:45:38,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:45:38,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 220 states and 331 transitions. [2021-11-13 23:45:38,606 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 331 transitions. [2021-11-13 23:45:38,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-13 23:45:38,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:45:38,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:45:38,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:45:42,179 INFO L134 CoverageAnalysis]: Checked inductivity of 1092 backedges. 1092 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:45:45,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:45:45,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 225 states and 336 transitions. [2021-11-13 23:45:45,410 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 336 transitions. [2021-11-13 23:45:45,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-13 23:45:45,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:45:45,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:45:45,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:45:45,985 INFO L134 CoverageAnalysis]: Checked inductivity of 1134 backedges. 0 proven. 1134 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:45:49,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:45:49,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 230 states and 346 transitions. [2021-11-13 23:45:49,429 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 346 transitions. [2021-11-13 23:45:49,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-13 23:45:49,430 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:45:49,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:45:49,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:45:53,232 INFO L134 CoverageAnalysis]: Checked inductivity of 1199 backedges. 1199 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:45:56,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:45:56,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 235 states and 351 transitions. [2021-11-13 23:45:56,572 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 351 transitions. [2021-11-13 23:45:56,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-13 23:45:56,572 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:45:56,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:45:56,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:45:57,191 INFO L134 CoverageAnalysis]: Checked inductivity of 1243 backedges. 0 proven. 1243 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:46:00,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:46:00,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 240 states and 361 transitions. [2021-11-13 23:46:00,872 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 361 transitions. [2021-11-13 23:46:00,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-13 23:46:00,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:46:00,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:46:00,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:46:05,240 INFO L134 CoverageAnalysis]: Checked inductivity of 1311 backedges. 1311 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:46:08,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:46:08,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 245 states and 366 transitions. [2021-11-13 23:46:08,765 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 366 transitions. [2021-11-13 23:46:08,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-13 23:46:08,765 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:46:08,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:46:08,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:46:09,409 INFO L134 CoverageAnalysis]: Checked inductivity of 1357 backedges. 0 proven. 1357 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:46:13,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:46:13,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 250 states and 376 transitions. [2021-11-13 23:46:13,195 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 376 transitions. [2021-11-13 23:46:13,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-11-13 23:46:13,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:46:13,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:46:13,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:46:17,745 INFO L134 CoverageAnalysis]: Checked inductivity of 1428 backedges. 1428 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:46:21,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:46:21,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 255 states and 381 transitions. [2021-11-13 23:46:21,278 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 381 transitions. [2021-11-13 23:46:21,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-11-13 23:46:21,278 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:46:21,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:46:21,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:46:22,000 INFO L134 CoverageAnalysis]: Checked inductivity of 1476 backedges. 0 proven. 1476 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:46:26,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:46:26,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 260 states and 391 transitions. [2021-11-13 23:46:26,204 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 391 transitions. [2021-11-13 23:46:26,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-11-13 23:46:26,205 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:46:26,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:46:26,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:46:31,192 INFO L134 CoverageAnalysis]: Checked inductivity of 1550 backedges. 1550 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:46:34,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:46:34,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 265 states and 396 transitions. [2021-11-13 23:46:34,835 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 396 transitions. [2021-11-13 23:46:34,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-11-13 23:46:34,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:46:34,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:46:34,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:46:35,472 INFO L134 CoverageAnalysis]: Checked inductivity of 1600 backedges. 0 proven. 1600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:46:39,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:46:39,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 270 states and 406 transitions. [2021-11-13 23:46:39,856 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 406 transitions. [2021-11-13 23:46:39,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-13 23:46:39,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:46:39,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:46:39,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:46:45,062 INFO L134 CoverageAnalysis]: Checked inductivity of 1677 backedges. 1677 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:46:48,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:46:48,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 275 states and 411 transitions. [2021-11-13 23:46:48,902 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 411 transitions. [2021-11-13 23:46:48,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-11-13 23:46:48,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:46:48,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:46:48,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:46:49,610 INFO L134 CoverageAnalysis]: Checked inductivity of 1729 backedges. 0 proven. 1729 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:46:54,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:46:54,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 280 states and 421 transitions. [2021-11-13 23:46:54,032 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 421 transitions. [2021-11-13 23:46:54,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-13 23:46:54,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:46:54,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:46:54,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:46:59,657 INFO L134 CoverageAnalysis]: Checked inductivity of 1809 backedges. 1809 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:47:03,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:47:03,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 285 states and 426 transitions. [2021-11-13 23:47:03,627 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 426 transitions. [2021-11-13 23:47:03,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-11-13 23:47:03,628 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:47:03,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:47:03,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:47:04,366 INFO L134 CoverageAnalysis]: Checked inductivity of 1863 backedges. 0 proven. 1863 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:47:09,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:47:09,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 290 states and 436 transitions. [2021-11-13 23:47:09,071 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 436 transitions. [2021-11-13 23:47:09,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-11-13 23:47:09,072 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:47:09,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:47:09,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:47:14,955 INFO L134 CoverageAnalysis]: Checked inductivity of 1946 backedges. 1946 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:47:19,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:47:19,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 295 states and 441 transitions. [2021-11-13 23:47:19,254 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 441 transitions. [2021-11-13 23:47:19,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-11-13 23:47:19,255 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:47:19,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:47:19,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:47:19,965 INFO L134 CoverageAnalysis]: Checked inductivity of 2002 backedges. 0 proven. 2002 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:47:24,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:47:24,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 300 states and 451 transitions. [2021-11-13 23:47:24,803 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 451 transitions. [2021-11-13 23:47:24,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2021-11-13 23:47:24,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:47:24,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:47:24,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:47:31,319 INFO L134 CoverageAnalysis]: Checked inductivity of 2088 backedges. 2088 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:47:35,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:47:35,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 305 states and 456 transitions. [2021-11-13 23:47:35,797 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 456 transitions. [2021-11-13 23:47:35,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-11-13 23:47:35,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:47:35,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:47:35,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:47:36,742 INFO L134 CoverageAnalysis]: Checked inductivity of 2146 backedges. 0 proven. 2146 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:47:41,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:47:41,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 310 states and 466 transitions. [2021-11-13 23:47:41,763 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 466 transitions. [2021-11-13 23:47:41,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2021-11-13 23:47:41,765 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:47:41,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:47:41,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:47:48,159 INFO L134 CoverageAnalysis]: Checked inductivity of 2235 backedges. 2235 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:47:51,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:47:51,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 315 states and 471 transitions. [2021-11-13 23:47:51,802 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 471 transitions. [2021-11-13 23:47:51,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-11-13 23:47:51,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:47:51,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:47:51,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:47:52,752 INFO L134 CoverageAnalysis]: Checked inductivity of 2295 backedges. 0 proven. 2295 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:47:58,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:47:58,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 320 states and 481 transitions. [2021-11-13 23:47:58,245 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 481 transitions. [2021-11-13 23:47:58,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2021-11-13 23:47:58,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:47:58,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:47:58,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:48:04,606 INFO L134 CoverageAnalysis]: Checked inductivity of 2387 backedges. 2386 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:48:05,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:48:05,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 153 states and 182 transitions. [2021-11-13 23:48:05,707 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 182 transitions. [2021-11-13 23:48:05,707 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-13 23:48:05,707 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 66 iterations. [2021-11-13 23:48:05,715 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2021-11-13 23:48:06,653 INFO L560 CodeCheckObserver]: Invariant with dag size 185 [2021-11-13 23:48:06,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:48:06 ImpRootNode [2021-11-13 23:48:06,680 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-13 23:48:06,681 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 23:48:06,681 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 23:48:06,681 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 23:48:06,682 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:43:51" (3/4) ... [2021-11-13 23:48:06,690 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-13 23:48:06,699 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-13 23:48:06,699 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-13 23:48:06,700 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-13 23:48:06,742 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8837b727-5505-48f2-8c2b-aac1b2df5a7f/bin/ukojak-2xVlg8857e/witness.graphml [2021-11-13 23:48:06,742 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 23:48:06,743 INFO L158 Benchmark]: Toolchain (without parser) took 255906.07ms. Allocated memory was 94.4MB in the beginning and 2.2GB in the end (delta: 2.1GB). Free memory was 53.1MB in the beginning and 1.7GB in the end (delta: -1.6GB). Peak memory consumption was 436.4MB. Max. memory is 16.1GB. [2021-11-13 23:48:06,744 INFO L158 Benchmark]: CDTParser took 0.62ms. Allocated memory is still 94.4MB. Free memory was 69.1MB in the beginning and 69.1MB in the end (delta: 50.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 23:48:06,745 INFO L158 Benchmark]: CACSL2BoogieTranslator took 265.81ms. Allocated memory is still 94.4MB. Free memory was 52.9MB in the beginning and 71.5MB in the end (delta: -18.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-13 23:48:06,745 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.92ms. Allocated memory is still 94.4MB. Free memory was 71.5MB in the beginning and 70.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:48:06,746 INFO L158 Benchmark]: Boogie Preprocessor took 26.81ms. Allocated memory is still 94.4MB. Free memory was 70.0MB in the beginning and 69.1MB in the end (delta: 939.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 23:48:06,746 INFO L158 Benchmark]: RCFGBuilder took 325.84ms. Allocated memory is still 94.4MB. Free memory was 69.1MB in the beginning and 59.9MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-13 23:48:06,746 INFO L158 Benchmark]: CodeCheck took 255175.08ms. Allocated memory was 94.4MB in the beginning and 2.2GB in the end (delta: 2.1GB). Free memory was 59.7MB in the beginning and 1.7GB in the end (delta: -1.6GB). Peak memory consumption was 442.9MB. Max. memory is 16.1GB. [2021-11-13 23:48:06,747 INFO L158 Benchmark]: Witness Printer took 61.82ms. Allocated memory is still 2.2GB. Free memory was 1.7GB in the beginning and 1.7GB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 23:48:06,749 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, 11 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 254.2s, OverallIterations: 66, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14714 SdHoareTripleChecker+Valid, 65683.68ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14586 mSDsluCounter, 130 SdHoareTripleChecker+Invalid, 54714.54ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 130 mSDsCounter, 12142 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 57330 IncrementalHoareTripleChecker+Invalid, 69472 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12142 mSolverCounterUnsat, 0 mSDtfsCounter, 57330 mSolverCounterSat, 891.94ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 41256 GetRequests, 34786 SyntacticMatches, 5238 SemanticMatches, 1232 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1215659 ImplicationChecksByTransitivity, 239.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 2.4s SatisfiabilityAnalysisTime, 95.6s InterpolantComputationTime, 5066 NumberOfCodeBlocks, 5066 NumberOfCodeBlocksAsserted, 65 NumberOfCheckSat, 5001 ConstructedInterpolants, 0 QuantifiedInterpolants, 19067 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 65 InterpolantComputations, 35 PerfectInterpolantSequences, 25792/50127 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: 9]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 9]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 10]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 10]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 7]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((15 < res && x <= 32767) && res <= 16) || ((res <= 26 && 25 < res) && x <= 31)) || ((0 <= res && res <= 0) && x <= 2147483647)) || ((12 < res && res <= 13) && x <= 262143)) || ((x <= 1023 && 20 < res) && res <= 21)) || ((9 < res && x <= 2097151) && res <= 10)) || ((14 < res && x <= 65535) && res <= 15)) || ((24 < res && x <= 63) && res <= 25)) || ((0 < res && res <= 1) && x <= 1073741823)) || ((res <= 9 && 8 < res) && x <= 4194303)) || ((res <= 4 && x <= 134217727) && 3 < res)) || ((x <= 4095 && 18 < res) && res <= 19)) || ((x <= 16383 && 16 < res) && res <= 17)) || ((x <= 511 && 21 < res) && res <= 22)) || ((x <= 536870911 && res <= 2) && 1 < res)) || ((11 < res && res <= 12) && x <= 524287)) || ((res <= 24 && x <= 127) && 23 < res)) || ((x <= 255 && 22 < res) && res <= 23)) || ((4 < res && res <= 5) && x <= 67108863)) || ((x <= 3 && 28 < res) && res <= 29)) || ((29 < res && res <= 30) && x < 2)) || ((x <= 1048575 && res <= 11) && 10 < res)) || ((res <= 6 && x <= 33554431) && 5 < res)) || ((7 < res && res <= 8) && x <= 8388607)) || ((x <= 2047 && res <= 20) && 19 < res)) || ((26 < res && res <= 27) && x <= 15)) || ((res <= 18 && x <= 8191) && 17 < res)) || ((x <= 268435455 && 2 < res) && res <= 3)) || ((6 < res && x <= 16777215) && res <= 7)) || ((27 < res && res <= 28) && x <= 7)) || ((x <= 131071 && res <= 14) && 13 < res) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.62ms. Allocated memory is still 94.4MB. Free memory was 69.1MB in the beginning and 69.1MB in the end (delta: 50.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 265.81ms. Allocated memory is still 94.4MB. Free memory was 52.9MB in the beginning and 71.5MB in the end (delta: -18.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.92ms. Allocated memory is still 94.4MB. Free memory was 71.5MB in the beginning and 70.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.81ms. Allocated memory is still 94.4MB. Free memory was 70.0MB in the beginning and 69.1MB in the end (delta: 939.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 325.84ms. Allocated memory is still 94.4MB. Free memory was 69.1MB in the beginning and 59.9MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 255175.08ms. Allocated memory was 94.4MB in the beginning and 2.2GB in the end (delta: 2.1GB). Free memory was 59.7MB in the beginning and 1.7GB in the end (delta: -1.6GB). Peak memory consumption was 442.9MB. Max. memory is 16.1GB. * Witness Printer took 61.82ms. Allocated memory is still 2.2GB. Free memory was 1.7GB in the beginning and 1.7GB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-13 23:48:06,818 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8837b727-5505-48f2-8c2b-aac1b2df5a7f/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE