./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/Bangalore-2.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_9ba64d4a-bd4f-4a1b-9767-56c544f0c29b/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba64d4a-bd4f-4a1b-9767-56c544f0c29b/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_9ba64d4a-bd4f-4a1b-9767-56c544f0c29b/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba64d4a-bd4f-4a1b-9767-56c544f0c29b/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/Bangalore-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba64d4a-bd4f-4a1b-9767-56c544f0c29b/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_9ba64d4a-bd4f-4a1b-9767-56c544f0c29b/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 e9fdb63b703556c0c4f8ca9f5b469884114c0558f9f1171d980c415152e708f6 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 23:38:39,630 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 23:38:39,632 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 23:38:39,685 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 23:38:39,686 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 23:38:39,687 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 23:38:39,689 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 23:38:39,702 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 23:38:39,704 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 23:38:39,713 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 23:38:39,714 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 23:38:39,715 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 23:38:39,716 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 23:38:39,717 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 23:38:39,719 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 23:38:39,720 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 23:38:39,721 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 23:38:39,725 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 23:38:39,733 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 23:38:39,743 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 23:38:39,747 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 23:38:39,750 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 23:38:39,755 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 23:38:39,757 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 23:38:39,761 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 23:38:39,762 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 23:38:39,762 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 23:38:39,765 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 23:38:39,765 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 23:38:39,767 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 23:38:39,768 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 23:38:39,769 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 23:38:39,771 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 23:38:39,772 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 23:38:39,774 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 23:38:39,774 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 23:38:39,775 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 23:38:39,775 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 23:38:39,775 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 23:38:39,776 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 23:38:39,778 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 23:38:39,779 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba64d4a-bd4f-4a1b-9767-56c544f0c29b/bin/ukojak-2xVlg8857e/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-13 23:38:39,834 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 23:38:39,834 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 23:38:39,836 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 23:38:39,836 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 23:38:39,837 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 23:38:39,837 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 23:38:39,837 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 23:38:39,838 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 23:38:39,844 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 23:38:39,844 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 23:38:39,845 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 23:38:39,845 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 23:38:39,846 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 23:38:39,846 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-13 23:38:39,846 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 23:38:39,846 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 23:38:39,846 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 23:38:39,847 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 23:38:39,847 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 23:38:39,847 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 23:38:39,847 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:38:39,848 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 23:38:39,848 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 23:38:39,848 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 23:38:39,848 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 23:38:39,848 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 23:38:39,849 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 23:38:39,849 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_9ba64d4a-bd4f-4a1b-9767-56c544f0c29b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba64d4a-bd4f-4a1b-9767-56c544f0c29b/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e9fdb63b703556c0c4f8ca9f5b469884114c0558f9f1171d980c415152e708f6 [2021-11-13 23:38:40,173 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 23:38:40,204 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 23:38:40,207 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 23:38:40,208 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 23:38:40,209 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 23:38:40,211 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba64d4a-bd4f-4a1b-9767-56c544f0c29b/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/termination-crafted/Bangalore-2.c [2021-11-13 23:38:40,273 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba64d4a-bd4f-4a1b-9767-56c544f0c29b/bin/ukojak-2xVlg8857e/data/09b7f19c1/78b4b313d73c419abdddf9909372d4d8/FLAG4207e6e15 [2021-11-13 23:38:40,724 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 23:38:40,725 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba64d4a-bd4f-4a1b-9767-56c544f0c29b/sv-benchmarks/c/termination-crafted/Bangalore-2.c [2021-11-13 23:38:40,731 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba64d4a-bd4f-4a1b-9767-56c544f0c29b/bin/ukojak-2xVlg8857e/data/09b7f19c1/78b4b313d73c419abdddf9909372d4d8/FLAG4207e6e15 [2021-11-13 23:38:41,111 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba64d4a-bd4f-4a1b-9767-56c544f0c29b/bin/ukojak-2xVlg8857e/data/09b7f19c1/78b4b313d73c419abdddf9909372d4d8 [2021-11-13 23:38:41,113 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 23:38:41,114 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 23:38:41,116 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 23:38:41,116 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 23:38:41,133 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 23:38:41,133 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:38:41" (1/1) ... [2021-11-13 23:38:41,134 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79d1043d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:38:41, skipping insertion in model container [2021-11-13 23:38:41,135 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:38:41" (1/1) ... [2021-11-13 23:38:41,142 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 23:38:41,153 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 23:38:41,327 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:38:41,332 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 23:38:41,347 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:38:41,357 INFO L208 MainTranslator]: Completed translation [2021-11-13 23:38:41,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:38:41 WrapperNode [2021-11-13 23:38:41,358 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 23:38:41,359 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 23:38:41,359 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 23:38:41,359 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 23:38:41,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:38:41" (1/1) ... [2021-11-13 23:38:41,374 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:38:41" (1/1) ... [2021-11-13 23:38:41,394 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 23:38:41,395 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 23:38:41,397 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 23:38:41,397 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 23:38:41,403 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:38:41" (1/1) ... [2021-11-13 23:38:41,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:38:41" (1/1) ... [2021-11-13 23:38:41,404 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:38:41" (1/1) ... [2021-11-13 23:38:41,405 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:38:41" (1/1) ... [2021-11-13 23:38:41,406 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:38:41" (1/1) ... [2021-11-13 23:38:41,410 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:38:41" (1/1) ... [2021-11-13 23:38:41,411 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:38:41" (1/1) ... [2021-11-13 23:38:41,412 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 23:38:41,413 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 23:38:41,413 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 23:38:41,414 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 23:38:41,416 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:38:41" (1/1) ... [2021-11-13 23:38:41,424 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:38:41,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba64d4a-bd4f-4a1b-9767-56c544f0c29b/bin/ukojak-2xVlg8857e/z3 [2021-11-13 23:38:41,451 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba64d4a-bd4f-4a1b-9767-56c544f0c29b/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 23:38:41,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba64d4a-bd4f-4a1b-9767-56c544f0c29b/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 23:38:41,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 23:38:41,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 23:38:41,632 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 23:38:41,632 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-13 23:38:41,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:38:41 BoogieIcfgContainer [2021-11-13 23:38:41,635 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 23:38:41,636 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 23:38:41,636 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 23:38:41,644 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 23:38:41,645 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:38:41" (1/1) ... [2021-11-13 23:38:41,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 23:38:41,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:38:41,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2021-11-13 23:38:41,706 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2021-11-13 23:38:41,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 23:38:41,708 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:38:41,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:38:41,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:38:41,880 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 23:38:41,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:38:41,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2021-11-13 23:38:41,968 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2021-11-13 23:38:41,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-13 23:38:41,969 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:38:41,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:38:41,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:38:42,068 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 23:38:42,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:38:42,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 14 states and 22 transitions. [2021-11-13 23:38:42,460 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 22 transitions. [2021-11-13 23:38:42,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 23:38:42,461 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:38:42,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:38:42,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:38:42,568 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:38:42,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:38:42,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 17 states and 31 transitions. [2021-11-13 23:38:42,966 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 31 transitions. [2021-11-13 23:38:42,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 23:38:42,969 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:38:42,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:38:42,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:38:43,020 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:38:43,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:38:43,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 19 states and 33 transitions. [2021-11-13 23:38:43,276 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 33 transitions. [2021-11-13 23:38:43,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 23:38:43,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:38:43,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:38:43,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:38:43,419 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:38:43,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:38:43,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 22 states and 39 transitions. [2021-11-13 23:38:43,915 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 39 transitions. [2021-11-13 23:38:43,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 23:38:43,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:38:43,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:38:43,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:38:44,068 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:38:44,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:38:44,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 25 states and 45 transitions. [2021-11-13 23:38:44,676 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 45 transitions. [2021-11-13 23:38:44,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 23:38:44,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:38:44,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:38:44,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:38:44,891 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:38:45,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:38:45,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 28 states and 51 transitions. [2021-11-13 23:38:45,636 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 51 transitions. [2021-11-13 23:38:45,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 23:38:45,637 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:38:45,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:38:45,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:38:45,900 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:38:46,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:38:46,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 31 states and 57 transitions. [2021-11-13 23:38:46,778 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 57 transitions. [2021-11-13 23:38:46,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 23:38:46,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:38:46,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:38:46,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:38:47,172 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:38:48,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:38:48,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 34 states and 63 transitions. [2021-11-13 23:38:48,088 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 63 transitions. [2021-11-13 23:38:48,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 23:38:48,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:38:48,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:38:48,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:38:48,560 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:38:49,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:38:49,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 37 states and 69 transitions. [2021-11-13 23:38:49,628 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 69 transitions. [2021-11-13 23:38:49,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-13 23:38:49,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:38:49,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:38:49,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:38:50,120 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:38:51,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:38:51,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 40 states and 75 transitions. [2021-11-13 23:38:51,326 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 75 transitions. [2021-11-13 23:38:51,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 23:38:51,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:38:51,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:38:51,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:38:51,967 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:38:53,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:38:53,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 43 states and 81 transitions. [2021-11-13 23:38:53,465 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 81 transitions. [2021-11-13 23:38:53,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-13 23:38:53,466 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:38:53,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:38:53,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:38:54,265 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:38:55,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:38:55,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 46 states and 87 transitions. [2021-11-13 23:38:55,983 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 87 transitions. [2021-11-13 23:38:55,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-13 23:38:55,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:38:55,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:38:55,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:38:56,871 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 187 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:38:58,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:38:58,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 49 states and 93 transitions. [2021-11-13 23:38:58,783 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 93 transitions. [2021-11-13 23:38:58,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-13 23:38:58,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:38:58,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:38:58,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:39:00,063 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:39:02,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:39:02,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 52 states and 99 transitions. [2021-11-13 23:39:02,312 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 99 transitions. [2021-11-13 23:39:02,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-13 23:39:02,313 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:39:02,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:39:02,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:39:03,681 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 0 proven. 260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:39:06,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:39:06,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 55 states and 105 transitions. [2021-11-13 23:39:06,480 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 105 transitions. [2021-11-13 23:39:06,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-13 23:39:06,481 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:39:06,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:39:06,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:39:08,049 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:39:10,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:39:10,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 58 states and 111 transitions. [2021-11-13 23:39:10,945 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 111 transitions. [2021-11-13 23:39:10,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-13 23:39:10,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:39:10,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:39:10,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:39:12,703 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:39:16,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:39:16,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 61 states and 117 transitions. [2021-11-13 23:39:16,017 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 117 transitions. [2021-11-13 23:39:16,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-13 23:39:16,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:39:16,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:39:16,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:39:18,091 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 0 proven. 392 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:39:21,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:39:21,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 64 states and 123 transitions. [2021-11-13 23:39:21,818 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 123 transitions. [2021-11-13 23:39:21,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-13 23:39:21,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:39:21,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:39:21,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:39:24,141 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 23:39:28,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:39:28,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 67 states and 129 transitions. [2021-11-13 23:39:28,278 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 129 transitions. [2021-11-13 23:39:28,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-13 23:39:28,279 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:39:28,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:39:28,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:39:30,843 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 0 proven. 495 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:39:35,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:39:35,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 70 states and 135 transitions. [2021-11-13 23:39:35,626 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 135 transitions. [2021-11-13 23:39:35,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-13 23:39:35,626 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:39:35,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:39:35,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:39:38,485 INFO L134 CoverageAnalysis]: Checked inductivity of 551 backedges. 0 proven. 551 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:39:43,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:39:43,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 73 states and 141 transitions. [2021-11-13 23:39:43,669 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 141 transitions. [2021-11-13 23:39:43,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-13 23:39:43,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:39:43,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:39:43,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:39:47,230 INFO L134 CoverageAnalysis]: Checked inductivity of 610 backedges. 0 proven. 610 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:39:52,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:39:52,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 76 states and 147 transitions. [2021-11-13 23:39:52,972 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 147 transitions. [2021-11-13 23:39:52,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-13 23:39:52,973 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:39:52,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:39:52,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:39:56,650 INFO L134 CoverageAnalysis]: Checked inductivity of 672 backedges. 0 proven. 672 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:40:02,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:40:02,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 79 states and 153 transitions. [2021-11-13 23:40:02,869 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 153 transitions. [2021-11-13 23:40:02,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-13 23:40:02,870 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:40:02,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:40:02,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:40:06,924 INFO L134 CoverageAnalysis]: Checked inductivity of 737 backedges. 0 proven. 737 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:40:13,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:40:13,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 82 states and 159 transitions. [2021-11-13 23:40:13,779 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 159 transitions. [2021-11-13 23:40:13,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-13 23:40:13,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:40:13,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:40:13,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:40:18,322 INFO L134 CoverageAnalysis]: Checked inductivity of 805 backedges. 0 proven. 805 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:40:25,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:40:25,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 85 states and 165 transitions. [2021-11-13 23:40:25,815 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 165 transitions. [2021-11-13 23:40:25,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-13 23:40:25,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:40:25,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:40:25,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:40:30,817 INFO L134 CoverageAnalysis]: Checked inductivity of 876 backedges. 0 proven. 876 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:40:39,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:40:39,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 88 states and 171 transitions. [2021-11-13 23:40:39,029 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 171 transitions. [2021-11-13 23:40:39,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-13 23:40:39,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:40:39,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:40:39,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:40:44,531 INFO L134 CoverageAnalysis]: Checked inductivity of 950 backedges. 0 proven. 950 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:40:53,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:40:53,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 91 states and 177 transitions. [2021-11-13 23:40:53,704 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 177 transitions. [2021-11-13 23:40:53,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-13 23:40:53,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:40:53,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:40:53,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:41:00,022 INFO L134 CoverageAnalysis]: Checked inductivity of 1027 backedges. 0 proven. 1027 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:41:10,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:41:10,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 94 states and 183 transitions. [2021-11-13 23:41:10,061 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 183 transitions. [2021-11-13 23:41:10,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-13 23:41:10,062 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:41:10,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:41:10,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:41:17,389 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 0 proven. 1107 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:41:28,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:41:28,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 97 states and 189 transitions. [2021-11-13 23:41:28,389 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 189 transitions. [2021-11-13 23:41:28,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-13 23:41:28,390 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:41:28,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:41:28,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:41:36,223 INFO L134 CoverageAnalysis]: Checked inductivity of 1190 backedges. 0 proven. 1190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:41:47,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:41:47,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 100 states and 195 transitions. [2021-11-13 23:41:47,917 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 195 transitions. [2021-11-13 23:41:47,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-13 23:41:47,917 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:41:47,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:41:47,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:41:56,354 INFO L134 CoverageAnalysis]: Checked inductivity of 1276 backedges. 0 proven. 1276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:42:09,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:09,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 103 states and 201 transitions. [2021-11-13 23:42:09,337 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 201 transitions. [2021-11-13 23:42:09,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-13 23:42:09,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:09,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:09,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:18,229 INFO L134 CoverageAnalysis]: Checked inductivity of 1365 backedges. 0 proven. 1365 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:42:31,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:31,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 106 states and 207 transitions. [2021-11-13 23:42:31,961 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 207 transitions. [2021-11-13 23:42:31,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-13 23:42:31,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:31,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:31,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:41,704 INFO L134 CoverageAnalysis]: Checked inductivity of 1457 backedges. 0 proven. 1457 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:42:56,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:56,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 109 states and 213 transitions. [2021-11-13 23:42:56,812 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 213 transitions. [2021-11-13 23:42:56,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-13 23:42:56,812 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:56,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:56,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:07,584 INFO L134 CoverageAnalysis]: Checked inductivity of 1552 backedges. 0 proven. 1552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:43:24,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:24,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 112 states and 219 transitions. [2021-11-13 23:43:24,320 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 219 transitions. [2021-11-13 23:43:24,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-13 23:43:24,321 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:24,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:24,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:36,861 INFO L134 CoverageAnalysis]: Checked inductivity of 1650 backedges. 0 proven. 1650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:43:56,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:56,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 115 states and 225 transitions. [2021-11-13 23:43:56,094 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 225 transitions. [2021-11-13 23:43:56,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-13 23:43:56,095 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:56,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:56,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:44:09,748 INFO L134 CoverageAnalysis]: Checked inductivity of 1751 backedges. 0 proven. 1751 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:44:29,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:44:29,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 118 states and 231 transitions. [2021-11-13 23:44:29,350 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 231 transitions. [2021-11-13 23:44:29,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-13 23:44:29,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:44:29,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:44:29,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:44:44,553 INFO L134 CoverageAnalysis]: Checked inductivity of 1855 backedges. 0 proven. 1855 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:45:06,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:45:06,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 121 states and 237 transitions. [2021-11-13 23:45:06,463 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 237 transitions. [2021-11-13 23:45:06,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-13 23:45:06,464 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:45:06,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:45:06,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:45:23,593 INFO L134 CoverageAnalysis]: Checked inductivity of 1962 backedges. 0 proven. 1962 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:45:47,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:45:47,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 124 states and 243 transitions. [2021-11-13 23:45:47,260 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 243 transitions. [2021-11-13 23:45:47,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-13 23:45:47,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:45:47,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:45:47,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:46:05,924 INFO L134 CoverageAnalysis]: Checked inductivity of 2072 backedges. 0 proven. 2072 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:46:31,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:46:31,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 127 states and 249 transitions. [2021-11-13 23:46:31,544 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 249 transitions. [2021-11-13 23:46:31,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-13 23:46:31,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:46:31,545 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:46:31,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:46:50,617 INFO L134 CoverageAnalysis]: Checked inductivity of 2185 backedges. 0 proven. 2185 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:47:18,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:47:18,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 130 states and 255 transitions. [2021-11-13 23:47:18,036 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 255 transitions. [2021-11-13 23:47:18,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-13 23:47:18,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:47:18,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:47:18,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:47:38,508 INFO L134 CoverageAnalysis]: Checked inductivity of 2301 backedges. 0 proven. 2301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:48:07,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:48:07,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 133 states and 261 transitions. [2021-11-13 23:48:07,980 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 261 transitions. [2021-11-13 23:48:07,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-13 23:48:07,981 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:48:07,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:48:07,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:48:30,590 INFO L134 CoverageAnalysis]: Checked inductivity of 2420 backedges. 0 proven. 2420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:49:02,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:49:02,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 136 states and 267 transitions. [2021-11-13 23:49:02,264 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 267 transitions. [2021-11-13 23:49:02,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-11-13 23:49:02,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:49:02,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:49:02,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:49:26,658 INFO L134 CoverageAnalysis]: Checked inductivity of 2542 backedges. 0 proven. 2542 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.