./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-numeric/rec_counter1.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_1f544a55-d714-4b69-bd6e-d22210bf174c/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f544a55-d714-4b69-bd6e-d22210bf174c/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_1f544a55-d714-4b69-bd6e-d22210bf174c/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f544a55-d714-4b69-bd6e-d22210bf174c/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-numeric/rec_counter1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f544a55-d714-4b69-bd6e-d22210bf174c/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_1f544a55-d714-4b69-bd6e-d22210bf174c/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 de5b7f1cccf5c7fe435559014125bbfd73538586d5303d45f8d606cb31a4b74b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 22:36:49,630 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 22:36:49,634 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 22:36:49,698 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 22:36:49,699 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 22:36:49,704 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 22:36:49,706 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 22:36:49,710 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 22:36:49,713 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 22:36:49,720 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 22:36:49,722 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 22:36:49,724 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 22:36:49,724 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 22:36:49,727 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 22:36:49,729 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 22:36:49,735 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 22:36:49,737 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 22:36:49,738 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 22:36:49,740 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 22:36:49,750 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 22:36:49,752 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 22:36:49,754 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 22:36:49,757 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 22:36:49,758 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 22:36:49,762 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 22:36:49,762 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 22:36:49,763 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 22:36:49,765 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 22:36:49,765 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 22:36:49,767 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 22:36:49,767 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 22:36:49,768 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 22:36:49,770 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 22:36:49,771 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 22:36:49,773 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 22:36:49,773 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 22:36:49,774 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 22:36:49,774 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 22:36:49,775 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 22:36:49,775 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 22:36:49,776 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 22:36:49,777 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f544a55-d714-4b69-bd6e-d22210bf174c/bin/ukojak-2xVlg8857e/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-13 22:36:49,819 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 22:36:49,820 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 22:36:49,821 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 22:36:49,822 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 22:36:49,823 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 22:36:49,823 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 22:36:49,823 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 22:36:49,823 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 22:36:49,824 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 22:36:49,824 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 22:36:49,825 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 22:36:49,825 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 22:36:49,826 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 22:36:49,826 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-13 22:36:49,826 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 22:36:49,826 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 22:36:49,826 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 22:36:49,827 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 22:36:49,827 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 22:36:49,827 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 22:36:49,827 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 22:36:49,828 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 22:36:49,828 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 22:36:49,828 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 22:36:49,828 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 22:36:49,828 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 22:36:49,829 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 22:36:49,829 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_1f544a55-d714-4b69-bd6e-d22210bf174c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f544a55-d714-4b69-bd6e-d22210bf174c/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de5b7f1cccf5c7fe435559014125bbfd73538586d5303d45f8d606cb31a4b74b [2021-11-13 22:36:50,109 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 22:36:50,133 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 22:36:50,136 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 22:36:50,137 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 22:36:50,138 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 22:36:50,140 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f544a55-d714-4b69-bd6e-d22210bf174c/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/termination-numeric/rec_counter1.c [2021-11-13 22:36:50,217 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f544a55-d714-4b69-bd6e-d22210bf174c/bin/ukojak-2xVlg8857e/data/9ae57ece7/156aa496f1aa4439951a67b353bc8237/FLAG014f6690c [2021-11-13 22:36:50,669 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 22:36:50,670 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f544a55-d714-4b69-bd6e-d22210bf174c/sv-benchmarks/c/termination-numeric/rec_counter1.c [2021-11-13 22:36:50,674 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f544a55-d714-4b69-bd6e-d22210bf174c/bin/ukojak-2xVlg8857e/data/9ae57ece7/156aa496f1aa4439951a67b353bc8237/FLAG014f6690c [2021-11-13 22:36:51,043 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f544a55-d714-4b69-bd6e-d22210bf174c/bin/ukojak-2xVlg8857e/data/9ae57ece7/156aa496f1aa4439951a67b353bc8237 [2021-11-13 22:36:51,046 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 22:36:51,048 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 22:36:51,051 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 22:36:51,051 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 22:36:51,055 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 22:36:51,056 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:36:51" (1/1) ... [2021-11-13 22:36:51,057 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35a94712 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:36:51, skipping insertion in model container [2021-11-13 22:36:51,057 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:36:51" (1/1) ... [2021-11-13 22:36:51,064 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 22:36:51,076 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 22:36:51,219 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 22:36:51,222 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 22:36:51,237 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 22:36:51,270 INFO L208 MainTranslator]: Completed translation [2021-11-13 22:36:51,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:36:51 WrapperNode [2021-11-13 22:36:51,271 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 22:36:51,272 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 22:36:51,272 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 22:36:51,272 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 22:36:51,280 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:36:51" (1/1) ... [2021-11-13 22:36:51,284 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:36:51" (1/1) ... [2021-11-13 22:36:51,304 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 22:36:51,305 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 22:36:51,305 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 22:36:51,305 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 22:36:51,312 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:36:51" (1/1) ... [2021-11-13 22:36:51,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:36:51" (1/1) ... [2021-11-13 22:36:51,313 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:36:51" (1/1) ... [2021-11-13 22:36:51,313 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:36:51" (1/1) ... [2021-11-13 22:36:51,315 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:36:51" (1/1) ... [2021-11-13 22:36:51,319 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:36:51" (1/1) ... [2021-11-13 22:36:51,320 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:36:51" (1/1) ... [2021-11-13 22:36:51,321 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 22:36:51,322 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 22:36:51,322 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 22:36:51,322 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 22:36:51,325 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:36:51" (1/1) ... [2021-11-13 22:36:51,337 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 22:36:51,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f544a55-d714-4b69-bd6e-d22210bf174c/bin/ukojak-2xVlg8857e/z3 [2021-11-13 22:36:51,364 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f544a55-d714-4b69-bd6e-d22210bf174c/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 22:36:51,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f544a55-d714-4b69-bd6e-d22210bf174c/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 22:36:51,408 INFO L130 BoogieDeclarations]: Found specification of procedure rec [2021-11-13 22:36:51,408 INFO L138 BoogieDeclarations]: Found implementation of procedure rec [2021-11-13 22:36:51,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 22:36:51,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 22:36:51,587 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 22:36:51,587 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-13 22:36:51,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:36:51 BoogieIcfgContainer [2021-11-13 22:36:51,590 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 22:36:51,591 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 22:36:51,591 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 22:36:51,608 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 22:36:51,608 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:36:51" (1/1) ... [2021-11-13 22:36:51,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 22:36:51,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:51,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 25 states and 28 transitions. [2021-11-13 22:36:51,697 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2021-11-13 22:36:51,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 22:36:51,703 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:51,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:51,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:51,880 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 22:36:51,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:51,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 28 states and 32 transitions. [2021-11-13 22:36:51,983 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2021-11-13 22:36:51,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 22:36:51,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:51,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:51,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:52,036 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 22:36:52,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:52,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 32 states and 37 transitions. [2021-11-13 22:36:52,184 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2021-11-13 22:36:52,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 22:36:52,186 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:52,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:52,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:52,272 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:36:52,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:52,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 32 transitions. [2021-11-13 22:36:52,347 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2021-11-13 22:36:52,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-13 22:36:52,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:52,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:52,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:52,422 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 22:36:52,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:52,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 28 transitions. [2021-11-13 22:36:52,602 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2021-11-13 22:36:52,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-13 22:36:52,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:52,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:52,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:52,738 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-13 22:36:52,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:52,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 29 states and 34 transitions. [2021-11-13 22:36:52,867 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2021-11-13 22:36:52,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-13 22:36:52,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:52,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:52,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:52,964 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-13 22:36:53,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:53,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 31 states and 38 transitions. [2021-11-13 22:36:53,136 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2021-11-13 22:36:53,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 22:36:53,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:53,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:53,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:53,199 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-13 22:36:53,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:53,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 34 states and 43 transitions. [2021-11-13 22:36:53,432 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 43 transitions. [2021-11-13 22:36:53,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 22:36:53,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:53,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:53,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:53,594 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-13 22:36:54,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:54,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 40 states and 51 transitions. [2021-11-13 22:36:54,026 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 51 transitions. [2021-11-13 22:36:54,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-13 22:36:54,028 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:54,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:54,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:54,116 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-13 22:36:54,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:54,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 39 states and 50 transitions. [2021-11-13 22:36:54,244 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 50 transitions. [2021-11-13 22:36:54,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 22:36:54,245 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:54,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:54,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:54,315 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-13 22:36:54,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:54,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 40 states and 50 transitions. [2021-11-13 22:36:54,341 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 50 transitions. [2021-11-13 22:36:54,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 22:36:54,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:54,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:54,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:54,405 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 22:36:54,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:54,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 45 states and 56 transitions. [2021-11-13 22:36:54,962 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 56 transitions. [2021-11-13 22:36:54,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-13 22:36:54,963 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:54,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:54,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:54,989 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-13 22:36:55,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:55,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 48 states and 59 transitions. [2021-11-13 22:36:55,372 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 59 transitions. [2021-11-13 22:36:55,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 22:36:55,372 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:55,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:55,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:55,402 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-13 22:36:55,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:55,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 48 states and 58 transitions. [2021-11-13 22:36:55,583 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 58 transitions. [2021-11-13 22:36:55,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-13 22:36:55,584 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:55,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:55,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:55,847 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-11-13 22:36:56,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:56,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 54 states and 66 transitions. [2021-11-13 22:36:56,424 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 66 transitions. [2021-11-13 22:36:56,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-13 22:36:56,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:56,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:56,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:56,470 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 2 proven. 22 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-13 22:36:56,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:56,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 55 states and 66 transitions. [2021-11-13 22:36:56,497 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 66 transitions. [2021-11-13 22:36:56,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-13 22:36:56,498 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:56,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:56,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:56,579 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 22:36:57,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:57,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 63 states and 75 transitions. [2021-11-13 22:36:57,519 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 75 transitions. [2021-11-13 22:36:57,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-13 22:36:57,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:57,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:57,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:57,566 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-13 22:36:57,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:57,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 66 states and 78 transitions. [2021-11-13 22:36:57,935 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 78 transitions. [2021-11-13 22:36:57,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-13 22:36:57,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:57,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:57,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:58,254 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2021-11-13 22:36:58,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:58,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 72 states and 86 transitions. [2021-11-13 22:36:58,984 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 86 transitions. [2021-11-13 22:36:58,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-13 22:36:58,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:58,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:59,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:59,043 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 2 proven. 60 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-11-13 22:36:59,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:36:59,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 73 states and 86 transitions. [2021-11-13 22:36:59,079 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 86 transitions. [2021-11-13 22:36:59,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-13 22:36:59,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:36:59,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:36:59,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:36:59,206 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2021-11-13 22:37:00,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:00,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 84 states and 98 transitions. [2021-11-13 22:37:00,869 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 98 transitions. [2021-11-13 22:37:00,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-13 22:37:00,870 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:00,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:00,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:00,897 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2021-11-13 22:37:01,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:01,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 87 states and 101 transitions. [2021-11-13 22:37:01,402 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 101 transitions. [2021-11-13 22:37:01,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-13 22:37:01,403 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:01,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:01,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:01,779 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 115 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-11-13 22:37:02,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:02,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 93 states and 109 transitions. [2021-11-13 22:37:02,615 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 109 transitions. [2021-11-13 22:37:02,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-13 22:37:02,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:02,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:02,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:02,672 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 2 proven. 137 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-11-13 22:37:02,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:02,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 94 states and 109 transitions. [2021-11-13 22:37:02,713 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 109 transitions. [2021-11-13 22:37:02,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-13 22:37:02,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:02,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:02,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:02,838 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 0 proven. 201 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-11-13 22:37:05,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:05,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 108 states and 124 transitions. [2021-11-13 22:37:05,092 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 124 transitions. [2021-11-13 22:37:05,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-13 22:37:05,093 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:05,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:05,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:05,122 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2021-11-13 22:37:05,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:05,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 111 states and 127 transitions. [2021-11-13 22:37:05,785 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 127 transitions. [2021-11-13 22:37:05,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-13 22:37:05,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:05,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:05,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:06,298 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 0 proven. 245 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2021-11-13 22:37:07,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:07,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 117 states and 135 transitions. [2021-11-13 22:37:07,277 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 135 transitions. [2021-11-13 22:37:07,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-13 22:37:07,278 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:07,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:07,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:07,375 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 2 proven. 280 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2021-11-13 22:37:07,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:07,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 118 states and 135 transitions. [2021-11-13 22:37:07,426 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 135 transitions. [2021-11-13 22:37:07,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-13 22:37:07,428 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:07,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:07,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:07,588 INFO L134 CoverageAnalysis]: Checked inductivity of 577 backedges. 0 proven. 415 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2021-11-13 22:37:11,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:11,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 135 states and 153 transitions. [2021-11-13 22:37:11,047 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 153 transitions. [2021-11-13 22:37:11,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-13 22:37:11,048 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:11,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:11,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:11,098 INFO L134 CoverageAnalysis]: Checked inductivity of 582 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 382 trivial. 0 not checked. [2021-11-13 22:37:11,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:11,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 138 states and 156 transitions. [2021-11-13 22:37:11,830 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 156 transitions. [2021-11-13 22:37:11,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-11-13 22:37:11,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:11,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:11,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:12,429 INFO L134 CoverageAnalysis]: Checked inductivity of 668 backedges. 0 proven. 474 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2021-11-13 22:37:13,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:13,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 144 states and 164 transitions. [2021-11-13 22:37:13,671 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 164 transitions. [2021-11-13 22:37:13,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-11-13 22:37:13,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:13,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:13,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:13,751 INFO L134 CoverageAnalysis]: Checked inductivity of 758 backedges. 2 proven. 525 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2021-11-13 22:37:13,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:13,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 145 states and 164 transitions. [2021-11-13 22:37:13,813 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 164 transitions. [2021-11-13 22:37:13,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-11-13 22:37:13,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:13,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:13,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:14,039 INFO L134 CoverageAnalysis]: Checked inductivity of 1053 backedges. 0 proven. 771 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2021-11-13 22:37:18,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:18,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 165 states and 185 transitions. [2021-11-13 22:37:18,817 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 185 transitions. [2021-11-13 22:37:18,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-11-13 22:37:18,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:18,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:18,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:18,884 INFO L134 CoverageAnalysis]: Checked inductivity of 1022 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 683 trivial. 0 not checked. [2021-11-13 22:37:19,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:19,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 168 states and 188 transitions. [2021-11-13 22:37:19,854 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 188 transitions. [2021-11-13 22:37:19,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2021-11-13 22:37:19,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:19,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:19,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:20,496 INFO L134 CoverageAnalysis]: Checked inductivity of 1171 backedges. 0 proven. 847 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2021-11-13 22:37:22,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:22,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 174 states and 196 transitions. [2021-11-13 22:37:22,192 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 196 transitions. [2021-11-13 22:37:22,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2021-11-13 22:37:22,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:22,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:22,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:22,302 INFO L134 CoverageAnalysis]: Checked inductivity of 1201 backedges. 2 proven. 917 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2021-11-13 22:37:22,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:22,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 175 states and 196 transitions. [2021-11-13 22:37:22,432 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 196 transitions. [2021-11-13 22:37:22,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2021-11-13 22:37:22,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:22,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:22,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:22,713 INFO L134 CoverageAnalysis]: Checked inductivity of 1675 backedges. 0 proven. 1323 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2021-11-13 22:37:28,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:28,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 198 states and 220 transitions. [2021-11-13 22:37:28,883 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 220 transitions. [2021-11-13 22:37:28,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2021-11-13 22:37:28,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:28,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:28,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:28,923 INFO L134 CoverageAnalysis]: Checked inductivity of 1724 backedges. 532 proven. 0 refuted. 0 times theorem prover too weak. 1192 trivial. 0 not checked. [2021-11-13 22:37:29,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:29,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 201 states and 223 transitions. [2021-11-13 22:37:29,794 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 223 transitions. [2021-11-13 22:37:29,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2021-11-13 22:37:29,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:29,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:29,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:30,811 INFO L134 CoverageAnalysis]: Checked inductivity of 1859 backedges. 0 proven. 1418 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2021-11-13 22:37:32,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:32,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 207 states and 231 transitions. [2021-11-13 22:37:32,566 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 231 transitions. [2021-11-13 22:37:32,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2021-11-13 22:37:32,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:32,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:32,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:32,671 INFO L134 CoverageAnalysis]: Checked inductivity of 1906 backedges. 2 proven. 1510 refuted. 0 times theorem prover too weak. 394 trivial. 0 not checked. [2021-11-13 22:37:32,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:32,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 208 states and 231 transitions. [2021-11-13 22:37:32,766 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 231 transitions. [2021-11-13 22:37:32,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2021-11-13 22:37:32,768 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:32,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:32,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:33,061 INFO L134 CoverageAnalysis]: Checked inductivity of 2620 backedges. 0 proven. 2134 refuted. 0 times theorem prover too weak. 486 trivial. 0 not checked. [2021-11-13 22:37:41,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:41,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 234 states and 258 transitions. [2021-11-13 22:37:41,181 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 258 transitions. [2021-11-13 22:37:41,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2021-11-13 22:37:41,183 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:41,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:41,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:41,227 INFO L134 CoverageAnalysis]: Checked inductivity of 2628 backedges. 788 proven. 0 refuted. 0 times theorem prover too weak. 1840 trivial. 0 not checked. [2021-11-13 22:37:42,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:42,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 237 states and 261 transitions. [2021-11-13 22:37:42,281 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 261 transitions. [2021-11-13 22:37:42,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2021-11-13 22:37:42,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:42,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:42,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:43,164 INFO L134 CoverageAnalysis]: Checked inductivity of 2835 backedges. 0 proven. 2250 refuted. 0 times theorem prover too weak. 585 trivial. 0 not checked. [2021-11-13 22:37:45,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:45,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 243 states and 269 transitions. [2021-11-13 22:37:45,263 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 269 transitions. [2021-11-13 22:37:45,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2021-11-13 22:37:45,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:45,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:45,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:45,383 INFO L134 CoverageAnalysis]: Checked inductivity of 2902 backedges. 2 proven. 2367 refuted. 0 times theorem prover too weak. 533 trivial. 0 not checked. [2021-11-13 22:37:45,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:45,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 244 states and 269 transitions. [2021-11-13 22:37:45,498 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 269 transitions. [2021-11-13 22:37:45,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2021-11-13 22:37:45,501 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:45,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:45,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:45,843 INFO L134 CoverageAnalysis]: Checked inductivity of 3978 backedges. 0 proven. 3276 refuted. 0 times theorem prover too weak. 702 trivial. 0 not checked. [2021-11-13 22:37:56,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:56,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 273 states and 299 transitions. [2021-11-13 22:37:56,206 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 299 transitions. [2021-11-13 22:37:56,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2021-11-13 22:37:56,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:56,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:56,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:56,259 INFO L134 CoverageAnalysis]: Checked inductivity of 3935 backedges. 1116 proven. 0 refuted. 0 times theorem prover too weak. 2819 trivial. 0 not checked. [2021-11-13 22:37:57,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:37:57,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 276 states and 302 transitions. [2021-11-13 22:37:57,480 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 302 transitions. [2021-11-13 22:37:57,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2021-11-13 22:37:57,482 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:37:57,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:37:57,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:37:58,608 INFO L134 CoverageAnalysis]: Checked inductivity of 4117 backedges. 0 proven. 3415 refuted. 0 times theorem prover too weak. 702 trivial. 0 not checked. [2021-11-13 22:38:01,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:01,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 282 states and 310 transitions. [2021-11-13 22:38:01,034 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 310 transitions. [2021-11-13 22:38:01,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2021-11-13 22:38:01,036 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:01,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:01,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:01,173 INFO L134 CoverageAnalysis]: Checked inductivity of 4264 backedges. 2 proven. 3560 refuted. 0 times theorem prover too weak. 702 trivial. 0 not checked. [2021-11-13 22:38:01,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:01,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 283 states and 310 transitions. [2021-11-13 22:38:01,309 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 310 transitions. [2021-11-13 22:38:01,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2021-11-13 22:38:01,312 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:01,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:01,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:01,711 INFO L134 CoverageAnalysis]: Checked inductivity of 5734 backedges. 0 proven. 4830 refuted. 0 times theorem prover too weak. 904 trivial. 0 not checked. [2021-11-13 22:38:15,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:15,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 315 states and 343 transitions. [2021-11-13 22:38:15,053 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 343 transitions. [2021-11-13 22:38:15,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2021-11-13 22:38:15,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:15,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:15,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:15,122 INFO L134 CoverageAnalysis]: Checked inductivity of 5744 backedges. 1525 proven. 0 refuted. 0 times theorem prover too weak. 4219 trivial. 0 not checked. [2021-11-13 22:38:16,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:16,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 318 states and 346 transitions. [2021-11-13 22:38:16,640 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 346 transitions. [2021-11-13 22:38:16,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2021-11-13 22:38:16,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:16,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:16,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:18,016 INFO L134 CoverageAnalysis]: Checked inductivity of 5898 backedges. 0 proven. 4994 refuted. 0 times theorem prover too weak. 904 trivial. 0 not checked. [2021-11-13 22:38:20,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:20,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 324 states and 354 transitions. [2021-11-13 22:38:20,977 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 354 transitions. [2021-11-13 22:38:20,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2021-11-13 22:38:20,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:20,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:21,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:21,146 INFO L134 CoverageAnalysis]: Checked inductivity of 6076 backedges. 2 proven. 5170 refuted. 0 times theorem prover too weak. 904 trivial. 0 not checked. [2021-11-13 22:38:21,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:21,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 325 states and 354 transitions. [2021-11-13 22:38:21,323 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 354 transitions. [2021-11-13 22:38:21,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2021-11-13 22:38:21,325 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:21,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:21,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:21,739 INFO L134 CoverageAnalysis]: Checked inductivity of 7966 backedges. 0 proven. 6886 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2021-11-13 22:38:38,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:38,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 360 states and 390 transitions. [2021-11-13 22:38:38,222 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 390 transitions. [2021-11-13 22:38:38,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2021-11-13 22:38:38,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:38,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:38,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:38,288 INFO L134 CoverageAnalysis]: Checked inductivity of 8039 backedges. 2024 proven. 0 refuted. 0 times theorem prover too weak. 6015 trivial. 0 not checked. [2021-11-13 22:38:40,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:40,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 363 states and 393 transitions. [2021-11-13 22:38:40,116 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 393 transitions. [2021-11-13 22:38:40,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2021-11-13 22:38:40,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:40,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:40,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:41,598 INFO L134 CoverageAnalysis]: Checked inductivity of 8286 backedges. 0 proven. 7077 refuted. 0 times theorem prover too weak. 1209 trivial. 0 not checked. [2021-11-13 22:38:44,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:44,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 369 states and 401 transitions. [2021-11-13 22:38:44,864 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 401 transitions. [2021-11-13 22:38:44,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2021-11-13 22:38:44,866 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:44,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:44,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:45,052 INFO L134 CoverageAnalysis]: Checked inductivity of 8498 backedges. 2 proven. 7287 refuted. 0 times theorem prover too weak. 1209 trivial. 0 not checked. [2021-11-13 22:38:45,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:38:45,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 370 states and 401 transitions. [2021-11-13 22:38:45,244 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 401 transitions. [2021-11-13 22:38:45,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2021-11-13 22:38:45,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:38:45,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:38:45,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:38:45,762 INFO L134 CoverageAnalysis]: Checked inductivity of 10895 backedges. 0 proven. 9543 refuted. 0 times theorem prover too weak. 1352 trivial. 0 not checked. [2021-11-13 22:39:05,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:39:05,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 408 states and 440 transitions. [2021-11-13 22:39:05,195 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 440 transitions. [2021-11-13 22:39:05,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2021-11-13 22:39:05,198 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:39:05,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:39:05,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:39:05,269 INFO L134 CoverageAnalysis]: Checked inductivity of 10907 backedges. 2622 proven. 0 refuted. 0 times theorem prover too weak. 8285 trivial. 0 not checked. [2021-11-13 22:39:07,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:39:07,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 411 states and 443 transitions. [2021-11-13 22:39:07,067 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 443 transitions. [2021-11-13 22:39:07,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2021-11-13 22:39:07,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:39:07,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:39:07,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:39:08,606 INFO L134 CoverageAnalysis]: Checked inductivity of 11182 backedges. 0 proven. 9763 refuted. 0 times theorem prover too weak. 1419 trivial. 0 not checked. [2021-11-13 22:39:12,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:39:12,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 417 states and 451 transitions. [2021-11-13 22:39:12,179 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 451 transitions. [2021-11-13 22:39:12,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2021-11-13 22:39:12,307 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:39:12,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:39:12,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:39:12,532 INFO L134 CoverageAnalysis]: Checked inductivity of 11431 backedges. 2 proven. 10010 refuted. 0 times theorem prover too weak. 1419 trivial. 0 not checked. [2021-11-13 22:39:12,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:39:12,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 418 states and 451 transitions. [2021-11-13 22:39:12,764 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 451 transitions. [2021-11-13 22:39:12,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 432 [2021-11-13 22:39:12,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:39:12,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:39:12,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:39:13,305 INFO L134 CoverageAnalysis]: Checked inductivity of 14575 backedges. 0 proven. 12909 refuted. 0 times theorem prover too weak. 1666 trivial. 0 not checked. [2021-11-13 22:39:37,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:39:37,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 459 states and 493 transitions. [2021-11-13 22:39:37,100 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 493 transitions. [2021-11-13 22:39:37,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 438 [2021-11-13 22:39:37,104 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:39:37,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:39:37,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:39:37,181 INFO L134 CoverageAnalysis]: Checked inductivity of 14660 backedges. 3328 proven. 0 refuted. 0 times theorem prover too weak. 11332 trivial. 0 not checked. [2021-11-13 22:39:39,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:39:39,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 462 states and 496 transitions. [2021-11-13 22:39:39,012 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 496 transitions. [2021-11-13 22:39:39,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 443 [2021-11-13 22:39:39,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:39:39,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:39:39,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:39:40,765 INFO L134 CoverageAnalysis]: Checked inductivity of 14898 backedges. 0 proven. 13160 refuted. 0 times theorem prover too weak. 1738 trivial. 0 not checked. [2021-11-13 22:39:44,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:39:44,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 468 states and 504 transitions. [2021-11-13 22:39:44,985 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 504 transitions. [2021-11-13 22:39:44,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 446 [2021-11-13 22:39:44,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:39:44,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:39:45,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:39:45,214 INFO L134 CoverageAnalysis]: Checked inductivity of 15187 backedges. 2 proven. 13447 refuted. 0 times theorem prover too weak. 1738 trivial. 0 not checked. [2021-11-13 22:39:45,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:39:45,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 469 states and 504 transitions. [2021-11-13 22:39:45,487 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 504 transitions. [2021-11-13 22:39:45,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 490 [2021-11-13 22:39:45,492 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:39:45,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:39:45,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:39:46,151 INFO L134 CoverageAnalysis]: Checked inductivity of 19203 backedges. 0 proven. 17101 refuted. 0 times theorem prover too weak. 2102 trivial. 0 not checked. [2021-11-13 22:40:15,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:40:15,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 513 states and 549 transitions. [2021-11-13 22:40:15,971 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 549 transitions. [2021-11-13 22:40:15,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 491 [2021-11-13 22:40:15,973 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:40:15,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:40:16,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:40:16,064 INFO L134 CoverageAnalysis]: Checked inductivity of 19217 backedges. 4151 proven. 0 refuted. 0 times theorem prover too weak. 15066 trivial. 0 not checked. [2021-11-13 22:40:18,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:40:18,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 516 states and 552 transitions. [2021-11-13 22:40:18,387 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 552 transitions. [2021-11-13 22:40:18,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 496 [2021-11-13 22:40:18,390 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:40:18,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:40:18,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:40:20,517 INFO L134 CoverageAnalysis]: Checked inductivity of 19487 backedges. 0 proven. 17385 refuted. 0 times theorem prover too weak. 2102 trivial. 0 not checked. [2021-11-13 22:40:25,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:40:25,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 522 states and 560 transitions. [2021-11-13 22:40:25,560 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 560 transitions. [2021-11-13 22:40:25,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 499 [2021-11-13 22:40:25,564 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:40:25,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:40:25,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:40:25,879 INFO L134 CoverageAnalysis]: Checked inductivity of 19819 backedges. 2 proven. 17715 refuted. 0 times theorem prover too weak. 2102 trivial. 0 not checked. [2021-11-13 22:40:26,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:40:26,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 523 states and 560 transitions. [2021-11-13 22:40:26,208 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 560 transitions. [2021-11-13 22:40:26,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 546 [2021-11-13 22:40:26,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:40:26,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:40:26,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:40:26,885 INFO L134 CoverageAnalysis]: Checked inductivity of 24759 backedges. 0 proven. 22245 refuted. 0 times theorem prover too weak. 2514 trivial. 0 not checked. [2021-11-13 22:41:03,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:41:03,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 570 states and 608 transitions. [2021-11-13 22:41:03,120 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 608 transitions. [2021-11-13 22:41:03,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 547 [2021-11-13 22:41:03,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:41:03,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:41:03,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:41:03,213 INFO L134 CoverageAnalysis]: Checked inductivity of 24774 backedges. 5100 proven. 0 refuted. 0 times theorem prover too weak. 19674 trivial. 0 not checked. [2021-11-13 22:41:05,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:41:05,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 573 states and 611 transitions. [2021-11-13 22:41:05,807 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 611 transitions. [2021-11-13 22:41:05,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 552 [2021-11-13 22:41:05,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:41:05,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:41:05,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:41:08,596 INFO L134 CoverageAnalysis]: Checked inductivity of 25078 backedges. 0 proven. 22564 refuted. 0 times theorem prover too weak. 2514 trivial. 0 not checked. [2021-11-13 22:41:14,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:41:14,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 579 states and 619 transitions. [2021-11-13 22:41:14,843 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 619 transitions. [2021-11-13 22:41:14,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 560 [2021-11-13 22:41:14,846 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:41:14,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:41:15,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:41:15,171 INFO L134 CoverageAnalysis]: Checked inductivity of 25543 backedges. 2 proven. 22940 refuted. 0 times theorem prover too weak. 2601 trivial. 0 not checked. [2021-11-13 22:41:15,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:41:15,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 580 states and 619 transitions. [2021-11-13 22:41:15,597 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 619 transitions. [2021-11-13 22:41:15,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 600 [2021-11-13 22:41:15,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:41:15,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:41:15,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:41:16,576 INFO L134 CoverageAnalysis]: Checked inductivity of 31366 backedges. 0 proven. 28476 refuted. 0 times theorem prover too weak. 2890 trivial. 0 not checked. [2021-11-13 22:42:01,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:42:01,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 630 states and 670 transitions. [2021-11-13 22:42:01,120 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 670 transitions. [2021-11-13 22:42:01,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 606 [2021-11-13 22:42:01,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:42:01,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:42:01,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:42:01,208 INFO L134 CoverageAnalysis]: Checked inductivity of 31469 backedges. 6184 proven. 0 refuted. 0 times theorem prover too weak. 25285 trivial. 0 not checked. [2021-11-13 22:42:04,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:42:04,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 633 states and 673 transitions. [2021-11-13 22:42:04,029 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 673 transitions. [2021-11-13 22:42:04,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 616 [2021-11-13 22:42:04,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:42:04,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:42:04,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:42:06,707 INFO L134 CoverageAnalysis]: Checked inductivity of 31901 backedges. 0 proven. 28832 refuted. 0 times theorem prover too weak. 3069 trivial. 0 not checked. [2021-11-13 22:42:12,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:42:12,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 639 states and 681 transitions. [2021-11-13 22:42:12,795 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 681 transitions. [2021-11-13 22:42:12,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 614 [2021-11-13 22:42:12,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:42:12,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:42:13,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:42:13,232 INFO L134 CoverageAnalysis]: Checked inductivity of 32236 backedges. 2 proven. 29257 refuted. 0 times theorem prover too weak. 2977 trivial. 0 not checked. [2021-11-13 22:42:13,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:42:13,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 640 states and 681 transitions. [2021-11-13 22:42:13,600 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 681 transitions. [2021-11-13 22:42:13,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 662 [2021-11-13 22:42:13,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:42:13,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:42:13,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:42:14,427 INFO L134 CoverageAnalysis]: Checked inductivity of 39340 backedges. 0 proven. 35938 refuted. 0 times theorem prover too weak. 3402 trivial. 0 not checked. [2021-11-13 22:43:03,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:03,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 693 states and 735 transitions. [2021-11-13 22:43:03,913 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 735 transitions. [2021-11-13 22:43:03,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 668 [2021-11-13 22:43:03,917 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:03,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:03,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:04,009 INFO L134 CoverageAnalysis]: Checked inductivity of 39449 backedges. 7412 proven. 0 refuted. 0 times theorem prover too weak. 32037 trivial. 0 not checked. [2021-11-13 22:43:07,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:07,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 696 states and 738 transitions. [2021-11-13 22:43:07,174 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 738 transitions. [2021-11-13 22:43:07,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 673 [2021-11-13 22:43:07,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:07,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:07,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:10,337 INFO L134 CoverageAnalysis]: Checked inductivity of 39827 backedges. 0 proven. 36333 refuted. 0 times theorem prover too weak. 3494 trivial. 0 not checked. [2021-11-13 22:43:17,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:17,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 702 states and 746 transitions. [2021-11-13 22:43:17,626 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 746 transitions. [2021-11-13 22:43:17,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 681 [2021-11-13 22:43:17,632 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:17,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:17,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:17,923 INFO L134 CoverageAnalysis]: Checked inductivity of 40403 backedges. 2 proven. 36810 refuted. 0 times theorem prover too weak. 3591 trivial. 0 not checked. [2021-11-13 22:43:18,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:43:18,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 703 states and 746 transitions. [2021-11-13 22:43:18,546 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 746 transitions. [2021-11-13 22:43:18,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 732 [2021-11-13 22:43:18,551 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:43:18,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:43:18,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:43:19,421 INFO L134 CoverageAnalysis]: Checked inductivity of 48852 backedges. 0 proven. 44784 refuted. 0 times theorem prover too weak. 4068 trivial. 0 not checked. [2021-11-13 22:44:17,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:17,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 883 states to 759 states and 803 transitions. [2021-11-13 22:44:17,733 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states and 803 transitions. [2021-11-13 22:44:17,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 728 [2021-11-13 22:44:17,739 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:17,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:17,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:17,850 INFO L134 CoverageAnalysis]: Checked inductivity of 48773 backedges. 8793 proven. 0 refuted. 0 times theorem prover too weak. 39980 trivial. 0 not checked. [2021-11-13 22:44:21,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:21,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 762 states and 806 transitions. [2021-11-13 22:44:21,395 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states and 806 transitions. [2021-11-13 22:44:21,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 743 [2021-11-13 22:44:21,402 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:21,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:21,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:24,915 INFO L134 CoverageAnalysis]: Checked inductivity of 49390 backedges. 0 proven. 45220 refuted. 0 times theorem prover too weak. 4170 trivial. 0 not checked. [2021-11-13 22:44:33,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:33,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 898 states to 768 states and 814 transitions. [2021-11-13 22:44:33,292 INFO L276 IsEmpty]: Start isEmpty. Operand 768 states and 814 transitions. [2021-11-13 22:44:33,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 746 [2021-11-13 22:44:33,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:33,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:33,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:33,928 INFO L134 CoverageAnalysis]: Checked inductivity of 49924 backedges. 2 proven. 45752 refuted. 0 times theorem prover too weak. 4170 trivial. 0 not checked. [2021-11-13 22:44:34,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:44:34,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 898 states to 769 states and 814 transitions. [2021-11-13 22:44:34,524 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 814 transitions. [2021-11-13 22:44:34,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 795 [2021-11-13 22:44:34,532 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:44:34,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:44:34,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:44:35,726 INFO L134 CoverageAnalysis]: Checked inductivity of 59776 backedges. 0 proven. 55176 refuted. 0 times theorem prover too weak. 4600 trivial. 0 not checked. [2021-11-13 22:45:43,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:45:43,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 828 states and 874 transitions. [2021-11-13 22:45:43,564 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 874 transitions. [2021-11-13 22:45:43,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 801 [2021-11-13 22:45:43,570 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:45:43,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:45:43,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:45:43,684 INFO L134 CoverageAnalysis]: Checked inductivity of 59897 backedges. 10336 proven. 0 refuted. 0 times theorem prover too weak. 49561 trivial. 0 not checked. [2021-11-13 22:45:47,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:45:47,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 961 states to 831 states and 877 transitions. [2021-11-13 22:45:47,603 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 877 transitions. [2021-11-13 22:45:47,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 806 [2021-11-13 22:45:47,608 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:45:47,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:45:47,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:45:51,422 INFO L134 CoverageAnalysis]: Checked inductivity of 60357 backedges. 0 proven. 55655 refuted. 0 times theorem prover too weak. 4702 trivial. 0 not checked. [2021-11-13 22:46:00,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:46:00,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 973 states to 837 states and 885 transitions. [2021-11-13 22:46:00,238 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 885 transitions. [2021-11-13 22:46:00,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 809 [2021-11-13 22:46:00,245 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:46:00,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:46:00,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:46:00,820 INFO L134 CoverageAnalysis]: Checked inductivity of 60949 backedges. 2 proven. 56245 refuted. 0 times theorem prover too weak. 4702 trivial. 0 not checked. [2021-11-13 22:46:01,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:46:01,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 973 states to 838 states and 885 transitions. [2021-11-13 22:46:01,429 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 885 transitions. [2021-11-13 22:46:01,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 866 [2021-11-13 22:46:01,437 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:46:01,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:46:01,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:46:02,857 INFO L134 CoverageAnalysis]: Checked inductivity of 72577 backedges. 0 proven. 67285 refuted. 0 times theorem prover too weak. 5292 trivial. 0 not checked. [2021-11-13 22:47:21,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:47:21,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 900 states and 948 transitions. [2021-11-13 22:47:21,908 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 948 transitions. [2021-11-13 22:47:21,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 867 [2021-11-13 22:47:21,914 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:47:21,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:47:21,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:47:22,036 INFO L134 CoverageAnalysis]: Checked inductivity of 72597 backedges. 12050 proven. 0 refuted. 0 times theorem prover too weak. 60547 trivial. 0 not checked. [2021-11-13 22:47:26,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:47:26,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 903 states and 951 transitions. [2021-11-13 22:47:26,249 INFO L276 IsEmpty]: Start isEmpty. Operand 903 states and 951 transitions. [2021-11-13 22:47:26,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 877 [2021-11-13 22:47:26,256 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:47:26,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:47:26,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:47:30,757 INFO L134 CoverageAnalysis]: Checked inductivity of 73208 backedges. 0 proven. 67809 refuted. 0 times theorem prover too weak. 5399 trivial. 0 not checked.