./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.1.ufo.BOUNDED-8.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_131528a8-63b5-4322-ae21-2cf5c1f8d2a5/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_131528a8-63b5-4322-ae21-2cf5c1f8d2a5/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_131528a8-63b5-4322-ae21-2cf5c1f8d2a5/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_131528a8-63b5-4322-ae21-2cf5c1f8d2a5/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.1.ufo.BOUNDED-8.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_131528a8-63b5-4322-ae21-2cf5c1f8d2a5/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_131528a8-63b5-4322-ae21-2cf5c1f8d2a5/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 77af8780d2ec99ad0d03b475aa25db67a7ba0a218594f51cddbe35460cd2b670 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:17:00,730 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:17:00,732 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:17:00,762 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:17:00,763 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:17:00,764 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:17:00,766 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:17:00,769 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:17:00,771 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:17:00,772 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:17:00,773 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:17:00,775 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:17:00,775 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:17:00,777 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:17:00,778 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:17:00,780 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:17:00,781 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:17:00,782 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:17:00,785 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:17:00,787 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:17:00,789 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:17:00,791 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:17:00,792 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:17:00,793 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:17:00,797 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:17:00,797 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:17:00,798 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:17:00,799 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:17:00,800 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:17:00,801 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:17:00,801 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:17:00,802 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:17:00,803 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:17:00,804 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:17:00,805 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:17:00,806 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:17:00,807 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:17:00,807 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:17:00,808 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:17:00,809 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:17:00,810 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:17:00,811 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_131528a8-63b5-4322-ae21-2cf5c1f8d2a5/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-22 23:17:00,835 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:17:00,843 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:17:00,845 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:17:00,846 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:17:00,847 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:17:00,847 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:17:00,847 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:17:00,848 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:17:00,848 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:17:00,848 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:17:00,849 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:17:00,855 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:17:00,856 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:17:00,856 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:17:00,856 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:17:00,857 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:17:00,857 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:17:00,857 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:17:00,858 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:17:00,858 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:17:00,858 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:17:00,859 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:17:00,859 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:17:00,859 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:17:00,860 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:17:00,860 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:17:00,860 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:17:00,861 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:17:00,861 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_131528a8-63b5-4322-ae21-2cf5c1f8d2a5/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_131528a8-63b5-4322-ae21-2cf5c1f8d2a5/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77af8780d2ec99ad0d03b475aa25db67a7ba0a218594f51cddbe35460cd2b670 [2021-11-22 23:17:01,119 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:17:01,150 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:17:01,153 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:17:01,154 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:17:01,155 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:17:01,157 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_131528a8-63b5-4322-ae21-2cf5c1f8d2a5/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.1.ufo.BOUNDED-8.pals.c [2021-11-22 23:17:01,232 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_131528a8-63b5-4322-ae21-2cf5c1f8d2a5/bin/ukojak-LBtLqBUTdQ/data/6ab1740ea/9cd2df2dfb8d45cbb27c5dc871792650/FLAGfa942a8ee [2021-11-22 23:17:01,701 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:17:01,701 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_131528a8-63b5-4322-ae21-2cf5c1f8d2a5/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.1.ufo.BOUNDED-8.pals.c [2021-11-22 23:17:01,716 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_131528a8-63b5-4322-ae21-2cf5c1f8d2a5/bin/ukojak-LBtLqBUTdQ/data/6ab1740ea/9cd2df2dfb8d45cbb27c5dc871792650/FLAGfa942a8ee [2021-11-22 23:17:02,035 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_131528a8-63b5-4322-ae21-2cf5c1f8d2a5/bin/ukojak-LBtLqBUTdQ/data/6ab1740ea/9cd2df2dfb8d45cbb27c5dc871792650 [2021-11-22 23:17:02,037 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:17:02,039 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:17:02,051 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:17:02,051 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:17:02,054 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:17:02,054 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:17:02" (1/1) ... [2021-11-22 23:17:02,055 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19188759 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:02, skipping insertion in model container [2021-11-22 23:17:02,055 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:17:02" (1/1) ... [2021-11-22 23:17:02,062 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:17:02,121 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:17:02,476 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_131528a8-63b5-4322-ae21-2cf5c1f8d2a5/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.1.ufo.BOUNDED-8.pals.c[26618,26631] [2021-11-22 23:17:02,479 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:17:02,489 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:17:02,629 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_131528a8-63b5-4322-ae21-2cf5c1f8d2a5/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.1.ufo.BOUNDED-8.pals.c[26618,26631] [2021-11-22 23:17:02,629 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:17:02,648 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:17:02,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:02 WrapperNode [2021-11-22 23:17:02,649 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:17:02,650 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:17:02,650 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:17:02,651 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:17:02,661 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:02" (1/1) ... [2021-11-22 23:17:02,679 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:02" (1/1) ... [2021-11-22 23:17:02,753 INFO L137 Inliner]: procedures = 23, calls = 15, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 983 [2021-11-22 23:17:02,754 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:17:02,755 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:17:02,755 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:17:02,755 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:17:02,764 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:02" (1/1) ... [2021-11-22 23:17:02,764 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:02" (1/1) ... [2021-11-22 23:17:02,771 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:02" (1/1) ... [2021-11-22 23:17:02,771 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:02" (1/1) ... [2021-11-22 23:17:02,790 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:02" (1/1) ... [2021-11-22 23:17:02,805 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:02" (1/1) ... [2021-11-22 23:17:02,819 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:02" (1/1) ... [2021-11-22 23:17:02,833 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:17:02,834 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:17:02,835 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:17:02,835 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:17:02,839 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:02" (1/1) ... [2021-11-22 23:17:02,856 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:17:02,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_131528a8-63b5-4322-ae21-2cf5c1f8d2a5/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:17:02,881 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_131528a8-63b5-4322-ae21-2cf5c1f8d2a5/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:17:02,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_131528a8-63b5-4322-ae21-2cf5c1f8d2a5/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:17:02,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:17:02,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:17:02,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:17:02,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:17:03,143 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:17:03,145 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:17:04,046 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:17:05,110 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:17:05,110 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-22 23:17:05,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:17:05 BoogieIcfgContainer [2021-11-22 23:17:05,116 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:17:05,117 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:17:05,117 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:17:05,127 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:17:05,128 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:17:05" (1/1) ... [2021-11-22 23:17:05,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:17:05,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:05,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 140 states and 224 transitions. [2021-11-22 23:17:05,224 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 224 transitions. [2021-11-22 23:17:05,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-22 23:17:05,228 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:05,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:05,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:06,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:06,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:06,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 142 states and 228 transitions. [2021-11-22 23:17:06,240 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 228 transitions. [2021-11-22 23:17:06,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-22 23:17:06,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:06,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:06,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:06,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:06,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:06,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 145 states and 235 transitions. [2021-11-22 23:17:06,851 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 235 transitions. [2021-11-22 23:17:06,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-22 23:17:06,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:06,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:06,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:07,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:07,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:07,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 149 states and 244 transitions. [2021-11-22 23:17:07,638 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 244 transitions. [2021-11-22 23:17:07,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-22 23:17:07,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:07,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:07,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:07,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:08,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:08,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 154 states and 255 transitions. [2021-11-22 23:17:08,603 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 255 transitions. [2021-11-22 23:17:08,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-22 23:17:08,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:08,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:08,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:08,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:09,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:09,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 160 states and 268 transitions. [2021-11-22 23:17:09,730 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 268 transitions. [2021-11-22 23:17:09,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-22 23:17:09,732 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:09,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:09,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:10,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:11,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:11,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 168 states and 283 transitions. [2021-11-22 23:17:11,387 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 283 transitions. [2021-11-22 23:17:11,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-22 23:17:11,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:11,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:11,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:11,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:12,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:12,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 175 states and 297 transitions. [2021-11-22 23:17:12,864 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 297 transitions. [2021-11-22 23:17:12,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-22 23:17:12,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:12,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:12,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:12,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:13,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:13,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 176 states and 297 transitions. [2021-11-22 23:17:13,201 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 297 transitions. [2021-11-22 23:17:13,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-22 23:17:13,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:13,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:13,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:13,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:13,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:13,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 177 states and 298 transitions. [2021-11-22 23:17:13,293 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 298 transitions. [2021-11-22 23:17:13,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-22 23:17:13,294 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:13,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:13,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:13,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:16,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:16,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 188 states and 317 transitions. [2021-11-22 23:17:16,035 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 317 transitions. [2021-11-22 23:17:16,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-22 23:17:16,036 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:16,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:16,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:16,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:16,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:16,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 191 states and 321 transitions. [2021-11-22 23:17:16,544 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 321 transitions. [2021-11-22 23:17:16,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-22 23:17:16,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:16,545 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:16,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:17,506 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:22,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:22,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 208 states and 358 transitions. [2021-11-22 23:17:22,727 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 358 transitions. [2021-11-22 23:17:22,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-22 23:17:22,728 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:22,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:22,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:23,212 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:29,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:29,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 226 states and 398 transitions. [2021-11-22 23:17:29,344 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 398 transitions. [2021-11-22 23:17:29,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-22 23:17:29,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:29,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:29,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:29,605 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:29,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:29,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 227 states and 399 transitions. [2021-11-22 23:17:29,931 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 399 transitions. [2021-11-22 23:17:29,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-22 23:17:29,933 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:29,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:30,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:30,559 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:37,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:37,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 246 states and 440 transitions. [2021-11-22 23:17:37,163 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 440 transitions. [2021-11-22 23:17:37,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-22 23:17:37,164 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:37,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:37,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:37,415 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:38,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:38,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 248 states and 444 transitions. [2021-11-22 23:17:38,219 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 444 transitions. [2021-11-22 23:17:38,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-22 23:17:38,221 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:38,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:38,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:38,918 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:46,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:46,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 268 states and 486 transitions. [2021-11-22 23:17:46,280 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 486 transitions. [2021-11-22 23:17:46,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-22 23:17:46,281 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:46,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:46,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:46,492 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:47,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:47,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 271 states and 494 transitions. [2021-11-22 23:17:47,672 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 494 transitions. [2021-11-22 23:17:47,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-22 23:17:47,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:47,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:47,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:47,939 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:48,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:48,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 272 states and 495 transitions. [2021-11-22 23:17:48,335 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 495 transitions. [2021-11-22 23:17:48,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-22 23:17:48,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:48,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:48,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:48,531 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:49,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:49,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 273 states and 500 transitions. [2021-11-22 23:17:49,110 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 500 transitions. [2021-11-22 23:17:49,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-22 23:17:49,111 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:49,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:49,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:49,776 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:56,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:56,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 288 states and 531 transitions. [2021-11-22 23:17:56,138 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 531 transitions. [2021-11-22 23:17:56,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-22 23:17:56,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:56,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:56,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:56,318 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:57,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:57,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 291 states and 543 transitions. [2021-11-22 23:17:57,680 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 543 transitions. [2021-11-22 23:17:57,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-22 23:17:57,681 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:57,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:57,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:57,832 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:58,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:58,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 292 states and 544 transitions. [2021-11-22 23:17:58,395 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 544 transitions. [2021-11-22 23:17:58,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-22 23:17:58,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:58,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:58,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:58,545 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:59,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:59,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 293 states and 545 transitions. [2021-11-22 23:17:59,115 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 545 transitions. [2021-11-22 23:17:59,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-22 23:17:59,117 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:59,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:59,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:59,273 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:00,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:00,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 295 states and 552 transitions. [2021-11-22 23:18:00,204 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 552 transitions. [2021-11-22 23:18:00,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-22 23:18:00,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:00,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:00,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:00,351 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:00,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:00,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 296 states and 553 transitions. [2021-11-22 23:18:00,899 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 553 transitions. [2021-11-22 23:18:00,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-22 23:18:00,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:00,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:01,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:02,010 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:10,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:10,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 317 states and 594 transitions. [2021-11-22 23:18:10,635 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 594 transitions. [2021-11-22 23:18:10,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-22 23:18:10,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:10,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:10,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:11,126 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:11,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:11,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 318 states and 596 transitions. [2021-11-22 23:18:11,884 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 596 transitions. [2021-11-22 23:18:11,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-22 23:18:11,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:11,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:12,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:12,315 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:12,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:12,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 319 states and 597 transitions. [2021-11-22 23:18:12,875 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 597 transitions. [2021-11-22 23:18:12,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-22 23:18:12,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:12,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:13,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:13,387 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:15,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:15,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 322 states and 600 transitions. [2021-11-22 23:18:15,153 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 600 transitions. [2021-11-22 23:18:15,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-22 23:18:15,154 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:15,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:15,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:15,566 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:16,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:16,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 323 states and 601 transitions. [2021-11-22 23:18:16,285 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 601 transitions. [2021-11-22 23:18:16,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-22 23:18:16,287 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:16,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:16,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:16,781 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:18,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:18,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 325 states and 607 transitions. [2021-11-22 23:18:18,075 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 607 transitions. [2021-11-22 23:18:18,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-22 23:18:18,076 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:18,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:18,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:18,468 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:19,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:19,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 326 states and 608 transitions. [2021-11-22 23:18:19,073 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 608 transitions. [2021-11-22 23:18:19,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-22 23:18:19,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:19,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:19,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:19,606 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:20,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:20,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 327 states and 609 transitions. [2021-11-22 23:18:20,316 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 609 transitions. [2021-11-22 23:18:20,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-22 23:18:20,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:20,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:20,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:20,682 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:21,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:21,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 328 states and 610 transitions. [2021-11-22 23:18:21,419 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 610 transitions. [2021-11-22 23:18:21,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-22 23:18:21,420 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:21,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:22,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:22,743 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:30,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:30,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 350 states and 652 transitions. [2021-11-22 23:18:30,865 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 652 transitions. [2021-11-22 23:18:30,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-22 23:18:30,866 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:30,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:31,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:32,103 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:36,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:36,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 365 states and 670 transitions. [2021-11-22 23:18:36,592 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 670 transitions. [2021-11-22 23:18:36,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-22 23:18:36,593 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:36,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:36,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:37,117 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:40,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:40,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 371 states and 687 transitions. [2021-11-22 23:18:40,984 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 687 transitions. [2021-11-22 23:18:40,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-22 23:18:40,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:40,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:41,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:42,693 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:54,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:54,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 386 states and 752 transitions. [2021-11-22 23:18:54,632 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 752 transitions. [2021-11-22 23:18:54,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-22 23:18:54,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:54,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:54,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:55,106 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:59,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:59,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 392 states and 768 transitions. [2021-11-22 23:18:59,293 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 768 transitions. [2021-11-22 23:18:59,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-22 23:18:59,294 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:59,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:59,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:59,768 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:19:08,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:08,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 407 states and 813 transitions. [2021-11-22 23:19:08,826 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 813 transitions. [2021-11-22 23:19:08,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-22 23:19:08,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:08,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:08,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:09,003 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:19:12,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:12,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 413 states and 822 transitions. [2021-11-22 23:19:12,624 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 822 transitions. [2021-11-22 23:19:12,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-22 23:19:12,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:12,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:12,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:14,986 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:25,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:25,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 854 states to 428 states and 854 transitions. [2021-11-22 23:19:25,016 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 854 transitions. [2021-11-22 23:19:25,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-22 23:19:25,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:25,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:25,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:25,320 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:29,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:29,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 435 states and 877 transitions. [2021-11-22 23:19:29,487 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 877 transitions. [2021-11-22 23:19:29,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-22 23:19:29,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:29,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:29,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:30,952 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 4 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:39,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:39,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 896 states to 445 states and 896 transitions. [2021-11-22 23:19:39,153 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 896 transitions. [2021-11-22 23:19:39,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-22 23:19:39,154 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:39,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:39,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:39,332 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 4 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:41,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:41,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 898 states to 447 states and 898 transitions. [2021-11-22 23:19:41,958 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 898 transitions. [2021-11-22 23:19:41,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-22 23:19:41,959 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:41,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:42,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:44,396 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 4 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:54,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:54,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 931 states to 462 states and 931 transitions. [2021-11-22 23:19:54,681 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 931 transitions. [2021-11-22 23:19:54,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-22 23:19:54,681 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:54,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:54,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:55,029 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 4 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:59,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:59,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 470 states and 952 transitions. [2021-11-22 23:19:59,762 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 952 transitions. [2021-11-22 23:19:59,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-22 23:19:59,763 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:59,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:00,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:01,262 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 5 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:12,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:12,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 486 states and 991 transitions. [2021-11-22 23:20:12,069 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 991 transitions. [2021-11-22 23:20:12,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-22 23:20:12,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:12,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:12,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:12,477 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 5 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:14,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:14,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 998 states to 492 states and 998 transitions. [2021-11-22 23:20:14,678 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 998 transitions. [2021-11-22 23:20:14,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-22 23:20:14,679 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:14,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:14,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:16,024 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:20,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:20,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1009 states to 494 states and 1009 transitions. [2021-11-22 23:20:20,695 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 1009 transitions. [2021-11-22 23:20:20,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-22 23:20:20,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:20,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:20,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:20,844 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:26,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:26,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 500 states and 1033 transitions. [2021-11-22 23:20:26,630 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 1033 transitions. [2021-11-22 23:20:26,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-22 23:20:26,631 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:26,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:27,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:27,715 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 5 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:31,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:31,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 501 states and 1036 transitions. [2021-11-22 23:20:31,005 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 1036 transitions. [2021-11-22 23:20:31,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-22 23:20:31,006 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:31,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:31,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:31,728 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 5 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:32,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:32,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1042 states to 502 states and 1042 transitions. [2021-11-22 23:20:32,921 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 1042 transitions. [2021-11-22 23:20:32,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-22 23:20:32,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:32,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:33,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:33,417 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 5 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:38,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:38,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1065 states to 507 states and 1065 transitions. [2021-11-22 23:20:38,360 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 1065 transitions. [2021-11-22 23:20:38,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-22 23:20:38,361 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:38,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:38,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:38,908 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 5 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:40,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:40,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1066 states to 508 states and 1066 transitions. [2021-11-22 23:20:40,163 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 1066 transitions. [2021-11-22 23:20:40,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-22 23:20:40,164 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:40,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:41,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:47,647 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:29,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:29,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1166 states to 549 states and 1166 transitions. [2021-11-22 23:21:29,965 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 1166 transitions. [2021-11-22 23:21:29,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-22 23:21:29,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:29,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:30,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:31,771 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:45,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:45,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1202 states to 562 states and 1202 transitions. [2021-11-22 23:21:45,669 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 1202 transitions. [2021-11-22 23:21:45,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-22 23:21:45,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:45,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:46,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:47,598 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:49,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:49,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1203 states to 563 states and 1203 transitions. [2021-11-22 23:21:49,621 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 1203 transitions. [2021-11-22 23:21:49,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-22 23:21:49,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:49,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:50,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:51,369 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:58,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:58,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 568 states and 1215 transitions. [2021-11-22 23:21:58,307 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 1215 transitions. [2021-11-22 23:21:58,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-22 23:21:58,307 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:58,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:58,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:00,098 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 7 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:06,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:06,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1230 states to 573 states and 1230 transitions. [2021-11-22 23:22:06,663 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 1230 transitions. [2021-11-22 23:22:06,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-22 23:22:06,664 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:06,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:06,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:07,102 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 7 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:10,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:10,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1234 states to 575 states and 1234 transitions. [2021-11-22 23:22:10,408 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 1234 transitions. [2021-11-22 23:22:10,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-22 23:22:10,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:10,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:10,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:10,916 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 7 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:25,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:25,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1271 states to 589 states and 1271 transitions. [2021-11-22 23:22:25,852 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 1271 transitions. [2021-11-22 23:22:25,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-22 23:22:25,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:25,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:26,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:26,432 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 7 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:29,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:29,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1274 states to 591 states and 1274 transitions. [2021-11-22 23:22:29,890 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 1274 transitions. [2021-11-22 23:22:29,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-22 23:22:29,891 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:29,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:30,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:30,226 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 7 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:31,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:31,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1275 states to 592 states and 1275 transitions. [2021-11-22 23:22:31,746 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 1275 transitions. [2021-11-22 23:22:31,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-22 23:22:31,747 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:31,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:32,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:32,365 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 7 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:34,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:34,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1277 states to 593 states and 1277 transitions. [2021-11-22 23:22:34,023 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 1277 transitions. [2021-11-22 23:22:34,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-22 23:22:34,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:34,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:34,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:34,357 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 7 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:38,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:38,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1282 states to 597 states and 1282 transitions. [2021-11-22 23:22:38,159 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 1282 transitions. [2021-11-22 23:22:38,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-22 23:22:38,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:38,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:38,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:44,071 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 6 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:17,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:17,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1346 states to 628 states and 1346 transitions. [2021-11-22 23:23:17,332 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 1346 transitions. [2021-11-22 23:23:17,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-22 23:23:17,333 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:17,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:18,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:19,006 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 6 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:29,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:29,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1363 states to 635 states and 1363 transitions. [2021-11-22 23:23:29,879 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 1363 transitions. [2021-11-22 23:23:29,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-22 23:23:29,879 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:29,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:30,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:31,483 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 6 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:46,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:46,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1401 states to 645 states and 1401 transitions. [2021-11-22 23:23:46,852 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 1401 transitions. [2021-11-22 23:23:46,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-22 23:23:46,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:46,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:47,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:48,412 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 6 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:51,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:51,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1403 states to 646 states and 1403 transitions. [2021-11-22 23:23:51,094 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 1403 transitions. [2021-11-22 23:23:51,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-22 23:23:51,095 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:51,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:51,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:52,580 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 6 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:54,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:54,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1405 states to 647 states and 1405 transitions. [2021-11-22 23:23:54,613 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 1405 transitions. [2021-11-22 23:23:54,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-22 23:23:54,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:54,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:54,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:55,978 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 6 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:00,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:00,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1410 states to 651 states and 1410 transitions. [2021-11-22 23:24:00,265 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 1410 transitions. [2021-11-22 23:24:00,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-22 23:24:00,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:00,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:00,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:02,346 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 6 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:35,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:35,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1462 states to 677 states and 1462 transitions. [2021-11-22 23:24:35,708 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 1462 transitions. [2021-11-22 23:24:35,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-22 23:24:35,708 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:35,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:35,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:36,092 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 6 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:44,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:44,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1473 states to 683 states and 1473 transitions. [2021-11-22 23:24:44,253 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 1473 transitions. [2021-11-22 23:24:44,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-22 23:24:44,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:44,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:44,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:44,643 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 6 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:59,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:59,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1506 states to 692 states and 1506 transitions. [2021-11-22 23:24:59,520 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 1506 transitions. [2021-11-22 23:24:59,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-22 23:24:59,520 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:59,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:59,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:05,008 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 6 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:30,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:30,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1533 states to 707 states and 1533 transitions. [2021-11-22 23:25:30,567 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 1533 transitions. [2021-11-22 23:25:30,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-22 23:25:30,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:30,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:30,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:30,980 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 6 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:52,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:52,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1569 states to 722 states and 1569 transitions. [2021-11-22 23:25:52,083 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 1569 transitions. [2021-11-22 23:25:52,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-22 23:25:52,084 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:52,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:52,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:52,484 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 6 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:54,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:54,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1581 states to 723 states and 1581 transitions. [2021-11-22 23:25:54,497 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 1581 transitions. [2021-11-22 23:25:54,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-22 23:25:54,498 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:54,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:56,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:00,016 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 6 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:35,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:35,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1650 states to 768 states and 1650 transitions. [2021-11-22 23:26:35,551 INFO L276 IsEmpty]: Start isEmpty. Operand 768 states and 1650 transitions. [2021-11-22 23:26:35,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-22 23:26:35,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:35,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:37,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:37,689 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 6 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:00,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:00,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1694 states to 785 states and 1694 transitions. [2021-11-22 23:27:00,785 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 1694 transitions. [2021-11-22 23:27:00,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-22 23:27:00,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:00,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:02,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:03,106 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 6 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:05,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:05,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1708 states to 786 states and 1708 transitions. [2021-11-22 23:27:05,376 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states and 1708 transitions. [2021-11-22 23:27:05,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-22 23:27:05,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:05,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:06,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:08,140 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 9 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:36,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:36,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1754 states to 812 states and 1754 transitions. [2021-11-22 23:27:36,585 INFO L276 IsEmpty]: Start isEmpty. Operand 812 states and 1754 transitions. [2021-11-22 23:27:36,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-22 23:27:36,585 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:36,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:37,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:37,295 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 9 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:45,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:45,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1768 states to 821 states and 1768 transitions. [2021-11-22 23:27:45,856 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 1768 transitions. [2021-11-22 23:27:45,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-22 23:27:45,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:45,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:46,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:46,641 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 9 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:56,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:56,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1780 states to 830 states and 1780 transitions. [2021-11-22 23:27:56,957 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states and 1780 transitions. [2021-11-22 23:27:56,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-22 23:27:56,958 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:56,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:57,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:57,815 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 9 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:59,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:59,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1781 states to 831 states and 1781 transitions. [2021-11-22 23:27:59,579 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 1781 transitions. [2021-11-22 23:27:59,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-22 23:27:59,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:59,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:00,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:04,640 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 6 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:28,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:28,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1832 states to 870 states and 1832 transitions. [2021-11-22 23:28:28,125 INFO L276 IsEmpty]: Start isEmpty. Operand 870 states and 1832 transitions. [2021-11-22 23:28:28,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-22 23:28:28,126 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:28,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:29,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:29,929 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 6 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:41,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:41,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1857 states to 875 states and 1857 transitions. [2021-11-22 23:28:41,912 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 1857 transitions. [2021-11-22 23:28:41,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-22 23:28:41,912 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:41,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:43,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:43,678 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 6 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.